JP6590289B2 - Electric razor, outer blade used in the electric razor - Google Patents

Description

  The present invention relates to an electric razor and an outer blade used in the electric razor.

  2. Description of the Related Art Conventionally, an electric razor is known that includes an outer blade held by a main body portion and an inner blade that is disposed inside the outer blade so as to be relatively movable with respect to the outer blade (for example, Patent Document 1).

  In Patent Document 1, a slit outer blade having an elongated slit in the shaving direction is provided so that relatively long body hair can be efficiently shaved.

  Furthermore, when the shape of the crosspieces arranged between the slits is a shape in which the straight crosspieces are connected by a bent crosspiece in the middle, the range where the slits exist when the slit outer blade is viewed from the shaving direction. To be wide. By doing so, when the outer blade of the slit is brought into contact with the skin and slid in the shaving direction, the area of the skin facing the slit can be increased, and the hair can be efficiently shaved.

Japanese Patent No. 4140558

  Although the above conventional techniques can also shave body hair efficiently, it is preferable to shave body hair more efficiently.

  This invention solves the said conventional subject, and it aims at providing the outer razor used with the electric razor which can shave body hair more efficiently, and the said electric razor.

  In order to achieve the above object, an electric razor according to the present invention has a predetermined length and width, and is disposed on an outer blade in contact with the skin and on the opposite side of the outer blade from the side in contact with the skin. An inner blade that is displaced relative to the outer blade.

  The outer blade is formed with a plurality of slits that extend in the outer blade width direction and into which body hairs are introduced and are arranged at predetermined intervals in the outer blade length direction.

  The slit is shifted in the outer blade length direction with respect to the first slit portion on the first slit portion located on one end side in the outer blade width direction and on the other end side in the outer blade width direction. And a connecting slit portion that connects the first slit portion and the second slit portion.

  And the shift | offset | difference width in the said outer blade length direction of the said 1st slit part and the said 2nd slit part is the width | variety of the said 1st slit part and / or the said 2nd slit part in a connection part with the said connection slit part. Is equal to or greater than

  In addition, a bar extending in the outer blade width direction along the slit is formed between the slits adjacent to each other in the outer blade length direction.

  The crosspiece includes a first crosspiece adjacent to the first slit, a second crosspiece adjacent to the second slit, the first crosspiece adjacent to the connection slit, and the first crosspiece. It is comprised by the connection crosspiece | link part which connects 2 crosspiece parts.

  The crosspiece has an outer surface that contacts the skin, an inner surface that faces the inner blade on the opposite side of the outer surface, and a side surface that connects the outer surface and the inner surface.

  Moreover, the 1st raising part which protrudes toward the said connection slit part is formed in the edge part of the said outer surface side in the said connection crosspiece part.

  And the edge part of the said 1st raising part has the 1st R part which rounded the corner, and the curvature radius of the 1st R part of the said 1st raising part is 20 micrometers or more and 60 micrometers or less.

  Moreover, the outer blade of this invention is used with the said electric shaver.

  ADVANTAGE OF THE INVENTION According to this invention, the outer razor used with the electric razor which can shave body hair more efficiently, and the said electric razor can be obtained.

It is a front view which shows the electric shaver concerning embodiment of this invention. It is a front view which shows the electric shaver concerning embodiment of this invention, Comprising: While removing an outer blade block, it is a front view which shows the state which decomposed | disassembled the said outer blade block into the outer blade cassette and the outer blade holding member. It is a perspective view which shows the slit blade unit concerning embodiment of this invention. It is a disassembled perspective view which shows the slit blade unit concerning embodiment of this invention. It is sectional drawing which expands and shows the slit outer blade and slit inner blade of the slit blade unit concerning embodiment of this invention. It is a top view which expand | deploys and shows the slit outer blade concerning embodiment of this invention. It is a figure which expands and shows the slit part of the slit outer blade concerning embodiment of this invention, Comprising: (a) is a top view of the slit in the state which expand | deployed the slit outer blade, (b) is the front-back direction. Sectional drawing which shows the 1st crosspiece part and 2nd crosspiece part which extend, (c) is AA sectional drawing of Fig.7 (a). It is a figure which shows the slit outer blade concerning the modification of embodiment of this invention, Comprising: (a) is a top view which expand | deploys and shows the slit outer blade concerning a 1st modification, (b) is 2nd. It is a top view which expand | deploys and shows the slit outer blade concerning a modification. It is a figure which shows the slit outer blade concerning the modification of embodiment of this invention, Comprising: (a) is a top view which expand | deploys and shows the slit outer blade concerning 3rd modification, (b) is 4th. The top view which expand | deploys and shows the slit outer blade concerning a modification, (c) is a top view which expand | deploys and shows the slit outer blade concerning a 5th modification. It is a figure which shows the 6th modification of the slit outer blade concerning embodiment of this invention, Comprising: (a) is a top view of the slit in the state which expand | deployed the slit outer blade, (b) is FIG. ) Is a cross-sectional view taken along the line B-B in FIG. 10C, and FIG. It is sectional drawing which shows typically the state which raises the body hair which the 1st raising part of FIG. 10 lays down. It is sectional drawing which shows the connection crosspiece | link part of the slit outer blade concerning the 7th modification of embodiment of this invention. It is a perspective view which shows the connection crosspiece | link part of the slit outer blade concerning the 8th modification of embodiment of this invention. It is a figure which shows the slit outer blade concerning the modification of embodiment of this invention, Comprising: (a) is sectional drawing which shows the connection crosspiece | link part of the slit outer blade concerning 9th modification, (b) It is sectional drawing which shows the connection crosspiece | link part of the slit outer blade concerning 10 modifications. It is a figure which shows the 11th modification of the slit outer blade concerning embodiment of this invention, Comprising: It is sectional drawing which shows typically a positional relationship with the inner blade of a connection crosspiece. It is a figure which shows typically the operation | movement at the time of shaving body hair using the slit outer blade concerning a comparative example, Comprising: (a) is sectional drawing which shows the state which introduce | transduced body hair into the slit, (b) is body hair Sectional drawing which shows the state which raise | generates, (c) is sectional drawing which shows the state in which the body hair was located on the inner blade. It is a figure which shows typically operation | movement at the time of shaving body hair using the slit outer blade concerning embodiment of this invention, Comprising: (a) is sectional drawing which shows the state which introduce | transduced body hair into the slit, (b ) Is a cross-sectional view showing a state in which the body hair is positioned on the inner blade, and (c) is a cross-sectional view showing a state in which the raised hair is cut. It is a figure which shows the slit outer blade concerning the modification of embodiment of this invention, Comprising: (a) is sectional drawing which shows the connection crosspiece | link part of the slit outer blade concerning a 12th modification, (b) FIG. 13C is a cross-sectional view showing a connecting bar portion of a slit outer blade according to a thirteenth modified example, and FIG. It is a figure which shows the slit outer blade concerning the modification of embodiment of this invention, Comprising: (a) is sectional drawing which shows the connection cross-section part of the slit outer blade concerning 15th modification, (b) It is sectional drawing which shows the connection crosspiece | link part of the slit outer blade concerning 16 modification. It is sectional drawing which shows typically the state which shaves body hair using the slit outer blade concerning the 17th modification of embodiment of this invention. It is a figure which shows the slit outer blade concerning the modification of embodiment of this invention, Comprising: (a) is sectional drawing which shows the connection crosspiece | link part of the slit outer blade concerning 18th modification, (b) It is sectional drawing which shows the connection crosspiece | link part of the slit outer blade concerning 19 modification. It is a figure which shows the slit outer blade concerning the modification of embodiment of this invention, Comprising: (a) is a perspective view which shows the slit outer blade concerning a 20th modification, (b) is a 20th modification. Sectional drawing which shows the connection crosspiece | link part of this slit outer blade, (c) is sectional drawing which shows typically the state which shaves body hair using the slit outer blade concerning a 20th modification. It is sectional drawing which shows the 1st crosspiece part and the 2nd crosspiece part of the slit outer blade concerning the 21st modification of embodiment of this invention. It is a figure which shows the slit outer blade concerning the modification of embodiment of this invention, Comprising: (a) is a perspective view of the slit outer blade concerning a 22nd modification, (b) is based on a 22nd modification. It is a perspective view which expands and shows the connection crosspiece | link part of a slit outer blade. It is a figure which shows the slit outer blade concerning the modification of embodiment of this invention, Comprising: (a) is a perspective view which shows the slit outer blade concerning a 23rd modification, (b) is a 23rd modification. The top view which shows this slit outer blade, (c) is sectional drawing in the connection part of the ceiling wall and side wall of the slit outer blade concerning a 23rd modification.

  An electric razor according to an embodiment of the present invention has a predetermined length and width, and is disposed on an outer blade in contact with the skin and on the side opposite to the side in contact with the skin of the outer blade. And an inner blade that is relatively displaced.

  The outer blade is formed with a plurality of slits that extend in the outer blade width direction and into which body hairs are introduced and are arranged at predetermined intervals in the outer blade length direction.

  The slit is shifted in the outer blade length direction with respect to the first slit portion on the first slit portion located on one end side in the outer blade width direction and on the other end side in the outer blade width direction. And a connecting slit portion that connects the first slit portion and the second slit portion.

  And the shift | offset | difference width in the said outer blade length direction of the said 1st slit part and the said 2nd slit part is the width | variety of the said 1st slit part and / or the said 2nd slit part in a connection part with the said connection slit part. Is equal to or greater than

  If it carries out like this, when the outer blade is moved to the outer blade width direction in the state where the sleeping hair is introduced into the slit, it can be brought into contact with the peripheral edge portion of the connecting slit portion more reliably. As a result, the sleeping hair can be raised more reliably and introduced to the inner blade side than the contact surface between the inner blade and the outer blade (sliding surface: the portion where the inner hair and the outer blade cut the hair). As a result, the hair can be shaved more efficiently.

  At this time, it is possible to form the connection slit portion so that an angle formed with the outer blade length direction is 0 ° or more and 45 ° or less.

  In this way, when the outer blade is moved in the outer blade width direction with the sleeping body hair introduced into the slit, it is suppressed that the hair contacting the peripheral edge of the connecting slit portion slips, The sleeping hair can be raised more reliably.

  In addition, a bending portion is formed in the first slit portion and / or the connection portion between the second slit portion and the connection slit portion in a state where the outer blade is viewed from the side in contact with the skin. It is also possible.

  By carrying out like this, the irritation | stimulation given to the skin contact | abutted to the peripheral part of a slit can be reduced.

  It is also possible to form a bar extending in the outer blade width direction along the slit between the slits adjacent to each other in the outer blade length direction.

  At this time, the crosspiece includes a first crosspiece adjacent to the first slit, a second crosspiece adjacent to the second slit, and the first crosspiece adjacent to the connection slit. It is also possible to comprise a connecting bar portion that connects the second bar portion.

  The crosspiece may have an outer surface in contact with the skin, an inner surface facing the inner blade on the opposite side of the outer surface, and a side surface connecting the outer surface and the inner surface.

  And it is also possible to form a 1st raising part in the edge part of the said outer surface side in the said connection crosspiece part.

  In this way, the sleeping hair can be raised more reliably.

  In addition, the first raised portion may have a first protrusion that protrudes toward the connection slit portion.

  If it carries out like this, it becomes possible to raise the sleeping hair more reliably with a simpler configuration.

  In addition, the first raised portion may have an acute angle portion where an angle formed by an outer surface of the connection beam portion and a part or all of the side surface of the connection beam portion is an acute angle.

  If it carries out like this, the front-end | tip of a 1st raising part can be made to sneak in between skin and sleeping body hair, and it becomes possible to raise sleeping sleeping hair more reliably.

  In addition, the edge portion of the first raised portion may have a first R portion with rounded corners.

  If it carries out like this, it will become possible to reduce the irritation | stimulation given to skin by the 1st raising part, raising the sleeping body hair more reliably.

  Further, the radius of curvature of the first R portion of the first raised portion (the radius of curvature of the first R portion in a cross-sectional view obtained by cutting the connecting bar portion in a direction perpendicular to the extending direction of the connecting bar portion) is 20 μm or more and 60 μm or less. It is also possible to make it.

  If it carries out like this, it will become possible to reduce the irritation | stimulation given to skin by the 1st raising part, suppressing the fall of raising force.

  Moreover, it is also possible for the edge part of the outer surface side in the site | part in which the said 1st raising part of the said bar is not formed to have the 2nd R part which rounded the corner | angular.

  By carrying out like this, the irritation | stimulation given to the skin contact | abutted to a crosspiece can be reduced more reliably.

  Further, a second protrusion protruding toward the skin is formed in the vicinity of the boundary between the portion where the first raised portion is formed and the portion where the first raised portion is not formed in the crosspiece. It is also possible to make it.

  And it is also possible to make it the outer surface of the site | part in which the said 1st raising part in the said cross | link is formed located in the said inner blade side rather than the outer surface of the site | part in which the said 1st raising part is not formed. .

  If it carries out like this, the contact pressure of the skin in the area | region in which the 1st raising part was formed can be reduced, and the irritation | stimulation given to skin by the 1st raising part can be reduced.

  Further, the side surface of the connecting bar portion provided with the first raised portion is smoothly connected to the side surface of the first rail portion and the side surface of the second rail portion not provided with the first raised portion. It is also possible.

  By doing so, it is possible to suppress the formation of discontinuous surfaces on the side surfaces of the crosspieces, so that it is possible to reduce irritation given to the skin and to obtain a smoother shaving feeling. become.

  In addition, the first raised portion may be provided at a position overlapping the inner blade when the outer blade is viewed from the side in contact with the skin.

  If it carries out like this, it can suppress falling asleep again before the body hair raised by the 1st raising part is cut | disconnected, and it becomes possible to shave body hair more reliably.

  Moreover, it is also possible to form a groove portion extending from the outer surface side to the inner surface side on the side surface of the portion where the first raised portion is formed in the crosspiece.

  By doing so, the body hair can be easily moved along the groove portion, and the sleeping body hair can be raised more reliably.

  In addition, an angle formed by the inner surface of the connecting beam portion and a part or all of the side surface of the connecting beam portion may be 90 ° or more.

  For example, when the angle formed by the inner surface of the connecting bar part and a part or all of the side surface of the connecting bar part is an acute angle, the hair becomes the edge on the inner surface side when the hair is introduced closer to the inner blade side than the sliding surface. May hit the acute angle part of the part, and the introduction of body hair to the inner blade side rather than the sliding surface may be hindered.

  On the other hand, if the angle formed by the inner surface of the connecting beam portion and a part or all of the side surface of the connecting beam portion is 90 ° or more, it is possible to prevent body hair from hitting the inner edge. For this reason, it is possible to suppress the introduction of the hair from the sliding surface to the inner blade side from being obstructed by the edge portion on the inner surface side. Therefore, the body hair can be more smoothly introduced to the inner blade side than the sliding surface, and the body hair can be shaved more efficiently.

  Moreover, it is also possible for the edge part on the inner surface side of the connecting bar part to have a third R part with rounded corners.

  By the way, the connecting bar extends in a direction intersecting with the outer blade width direction, and is a portion where the pinching angle when the body hair is pinched between the inner blade and the outer blade is increased.

  For this reason, the connecting bar portion is a portion that is liable to cause a cutting failure such as a half cut. In addition, a half cut is that a body hair will not be cut | disconnected completely but will be in a half-cut state.

  Here, if the third R portion with rounded corners is formed at the edge on the inner surface side of the connecting bar portion, it is possible to suppress the hair from being cut at the connecting bar portion. In this way, when the hair is moved to the first slit portion or the second slit portion without cutting the body hair at the connecting bar portion that is likely to cause cutting failure such as half cut, the body hair is sandwiched between the inner blade and the outer blade. Can be.

  In this way, if the third R portion with rounded corners is formed on the edge on the inner surface side of the connecting bar portion, it is possible to suppress the occurrence of cutting defects such as half cuts when cutting the hair, and more reliably. You will be able to shave your hair.

  It is also possible to form a gap between the inner surface of the connecting bar and the inner blade.

  In this way, if a gap is provided between the inner surface of the connecting bar and the inner blade, it is possible to more reliably suppress body hair from being cut at the connecting bar that is likely to cause cutting failures such as half-cutting. Will be able to. As a result, it is possible to more reliably suppress a cutting defect such as a half cut when cutting the hair.

  Further, the outer blade includes a top wall facing the skin, and side walls that are connected to both ends of the top wall in the outer blade width direction and extend in a direction away from the skin. It is also possible to do.

  Moreover, it is also possible to form the slit so as to extend from one side wall in the outer blade length direction to the other side wall.

  And it is also possible to form a 2nd raising part in the said skin side in the connection part of the said top wall and the said side wall.

  By doing so, since the body hair introduced from the side wall side can be raised by the second raised portion, more body hair can be introduced to the inner blade side than the sliding surface. . As a result, body hair can be shaved more efficiently.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

  In the following, the direction in which a plurality of outer blades are arranged side by side is the front-rear direction (shaving direction) X, the direction in which each outer blade extends is the left-right direction Y, and the outer blade block (head) The vertical direction in the state where the portion is arranged will be described as the vertical direction Z. The side where the switch part of the electric razor is provided will be described as the front in the front-rear direction X.

  The direction of the slit outer blade will also be described using the front-rear direction X, the left-right direction Y, and the up-down direction Z. That is, in the state in which the slit outer blade is attached to the main body, the directions corresponding to the front-rear direction X, left-right direction Y, and vertical direction Z of the outer blade block are the front-rear direction X, left-right direction Y, and vertical direction of the slit outer blade, respectively. Z is defined.

(Embodiment)
As shown in FIG. 1, the electric razor 10 according to the present embodiment includes a grip part 11 having a grip part 11 a to be gripped by hand, a head part 12 having a blade part 10 b and supported by the grip part 11. It is equipped with.

  The head portion 12 can swing in the left-right direction Y with respect to the grip portion 11 with an unillustrated shaft portion extending in the front-rear direction X as an axis. Further, the head portion 12 can be made to swing in the front-rear direction X with respect to the grip portion 11 with an unillustrated shaft portion extending in the left-right direction Y as an axis. Further, the head portion 12 can be floated in the vertical direction Z with respect to the grip portion 11.

  It is also possible to adopt a configuration in which these swings and floats are appropriately combined. For example, the head portion 12 can be configured to float in the vertical direction Z with respect to the grip portion 11 while allowing the head portion 12 to swing in the front-rear direction X and the left-right direction Y with respect to the grip portion 11. It is.

  The head unit 12 may be configured not to swing or float with respect to the grip unit 11.

  The electric razor 10 includes a main body 10a, an outer blade 20 that is held on the main body 10a with the skin contact surface (surface) 20a exposed, and an outer blade 20 on the inner side of the outer blade 20. And an inner blade 30 disposed so as to be relatively movable (see FIGS. 1 and 2).

  In the present embodiment, among the components constituting the electric razor 10, the main body portion 10a is constituted by the grip portion 11 and the head portion 12 other than the blade portion 10b.

  The grip portion 11 includes a main body housing 13, and a cavity is formed inside the main body housing 13. Various electrical components are accommodated in a cavity formed inside the main body housing 13.

  The main body housing 13 is formed with a push-type switch portion 13a that operates the electric razor 10 (turns the power on and off). In this embodiment, the push-type switch unit 13a is illustrated as the switch unit. However, a slide-type switch or other switches may be used as long as the power source can be turned on and off.

  In the present embodiment, the switch portion 13 a is formed on the front surface of the main body housing 13, that is, the front surface (front surface) of the electric shaver 10. The front surface of the electric razor 10 is a surface on the side facing the user in a state where the user grips the grip portion 11a of the electric razor 10 during normal use.

  Further, in the present embodiment, a display unit 13b that displays a charging status of a rechargeable battery (not shown) built in the body housing 13 is formed below the switch unit 13a in the body housing 13. .

  A trimmer unit may be provided at the rear part of the main body housing 13 (the rear part of the electric razor 10).

  Further, the blade portion 10b is arranged on the outer blade 20 in contact with the skin (skin surface) S and the inner side of the outer blade 20 (the lower side of the outer blade 20: the side opposite to the side in contact with the skin S of the outer blade 20). And an inner blade 30 provided.

  As shown in FIG. 1, the outer blade 20 is disposed so as to be exposed upward of the head portion 12, and a portion exposed to the upper portion of the head portion 12 of the outer blade 20 is a user's skin ( The skin contact surface (surface) 20a is in contact with the skin surface (S).

  Then, the power of the electric razor 10 is turned on, and the inner blade 30 disposed on the inner side of the outer blade 20 (the lower side of the outer blade 20: the side opposite to the side in contact with the skin S of the outer blade 20) is used as the outer blade. In a state of being displaced relative to 20 (relative movement: reciprocating in the left-right direction Y), the skin contact surface 20a of the outer blade 20 is moved while sliding against the user's skin (skin surface) S. By doing so, the body hair H inserted into the blade hole of the outer blade 20 is cut by the outer blade 20 and the inner blade 30.

  Next, a specific configuration of the head unit 12 will be described.

  As shown in FIGS. 1 and 2, the head portion 12 includes a head portion main body 14 attached to the grip portion 11 and an outer blade block 15 that is detachably attached to the head portion main body 14. In the present embodiment, the release buttons 14a provided so as to be freely projecting and retracting at both the left and right ends of the head main body 14 are immersed inward so that the mounting of the outer blade block 15 and the head main body 14 is released. It has become.

  A drive mechanism (not shown) is accommodated in the head body 14. As this drive mechanism, for example, a conventionally known one can be used such as a vibration type linear actuator or a drive mechanism including a rotary motor and a conversion mechanism that converts a rotary motion into a reciprocating linear motion.

  On the other hand, as shown in FIG. 2, the outer cutter block 15 includes a substantially cylindrical outer cutter holding member 16 to which the outer cutter 20 is attached so as to be movable up and down (float freely).

  The outer blade holding member 16 includes a substantially cylindrical peripheral wall portion 16c in which an upper opening 16a and a lower opening 16b are formed.

  A box-shaped outer blade cassette 17 that supports the outer blade 20 so as to move up and down is formed, and the outer blade cassette 17 is housed from the lower side of the outer blade holding member 16 and attached to the outer blade holding member 16. The outer blade 20 is attached to the outer blade holding member 16 so as to be movable up and down.

  In the present embodiment, the outer cutter cassette 17 supports a plurality of outer cutters 20 arranged in parallel in the front-rear direction X.

  Specifically, the outer blade 20 includes a first net blade 40, a slit outer blade 60, and a second net blade 50, and the first net blade 40, the slit outer blade 60, and the first net blade 40. Two net blades 50 are arranged in the front-rear direction X (see FIG. 2). Note that the types, number, and arrangement of the outer blades shown in FIG. 2 are merely examples, and it is needless to say that combinations of the types, number, arrangement, etc. of the outer blades can be changed as appropriate.

  Each of the first net blade 40 and the second net blade 50 has an inverted U shape along the front-rear direction X so that the upper side is convex in a side view (when the outer blade is viewed in the left-right direction Y). It is curved. Further, the first net blade 40 and the second net blade 50 are arranged in the left-right direction (outer blade length direction) Y so that the upper side is convex when viewed from the front (when the outer blade is viewed in the front-rear direction X). It is slightly curved along. In the present embodiment, the first net blade 40 and the second net blade 50 are curved so as to be convex upward in a front view, but are not necessarily curved.

  In the first net blade 40 and the second net blade 50, for example, a large number of circular blade holes (not shown) are formed.

  The slit outer blade 60 is provided to shave long hair H that is difficult to shave with the first net blade 40 or the second net blade 50. As shown in FIGS. Are formed in a substantially U-shaped curve. Specifically, the slit outer blade 60 is arranged to be narrow in the front-rear direction X and to be long in the left-right direction Y, and has a substantially inverted U-shaped cross section that protrudes toward the skin S side. is doing. Thus, in this embodiment, the slit outer blade 60 in contact with the skin (skin surface) S has a predetermined length and width, and the slit outer blade 60 has an electric shaver 10 in the length direction of the outer blade. And the outer blade width direction are substantially aligned with the front-rear direction X of the electric shaver 10.

  The slit outer blade 60 is connected to the flat top wall 61 facing the skin (skin surface) S and both ends of the top wall 61 in the front-rear direction (outer blade width direction) X. A pair of side walls 62, 62 extending in the 90 side (in the direction away from the skin S) and facing in the front-rear direction X.

  Further, the slit outer blade 60 is formed by drilling a slit (blade hole of the outer blade 20) from the flat top wall 61 to the side wall 62. That is, the slit 300 is formed to extend from one side wall 62 in the front-rear direction X of the slit outer blade 60 to the other side wall 62.

  As described above, in the present embodiment, the slit 300 has an elongated slit shape and has a length and a width. The slit 300 is formed such that the length direction (slit length direction) of the slit 300 substantially coincides with the width direction (outer blade width direction) of the slit outer blade 60.

  Accordingly, the slit 300 is in a state where the length direction (slit length direction) substantially coincides with the front-rear direction X of the electric razor 10 and the width direction (slit width direction) substantially coincides with the left-right direction Y of the electric razor 10. Is formed.

  In the present embodiment, a plurality of slits 300 are formed so as to be arranged at substantially equal intervals at a predetermined pitch (predetermined interval) in the left-right direction (outer blade length direction: slit width direction) Y and adjacent to each other. Between the slits 300, crosspieces 210 extending in the front-rear direction X are formed along the slits 300. The crosspiece 210 also extends from the flat top wall 61 to the side wall 62 and has a substantially U shape.

  Furthermore, in the present embodiment, the slit 300 is formed in the side wall 62 at both ends 301 a and 301 b in the front-rear direction (outer blade width direction: slit length direction) X. Thus, by forming both ends 301a and 301b in the front-rear direction (outer blade width direction: slit length direction) X of the slit 300 on the side wall 62, the slit 300 opens not only upward but also on both sides. Become. By doing so, each slit 300 is formed without being divided in the middle from one end to the other end in the front-rear direction X of the slit outer blade 60, so even a relatively long body hair H is easier in the slit 300. Can be introduced. Moreover, since it is suppressed that the hair H is caught by the crosspiece 210 and resistance (friction force etc.) by the body hair H becomes large, it can also suppress that shaving comfort deteriorates.

  In the present embodiment, the slit outer blade 60 is formed using a single metal flat plate material. Specifically, as shown in FIG. 6, a plurality of elongated slits 300 are formed in a metal flat plate so as to be arranged in parallel at a predetermined interval, so that the metal plate material existing between the adjacent slits 300 is formed. The crosspiece 210 is formed at the remaining portion. And the slit outer blade 60 which has the top wall 61 and a pair of side walls 62 and 62 is formed by bend | folding the inner side rather than the both ends 301a and 301b of the front-back direction (slit length direction) of the slit 300 in a metal plate material. .

  The shape of the slit outer blade 60 may be a shape in which the bending angle of the upper part of the bent portion is an acute angle as shown in FIG. 22A, or as shown in FIG. In addition, the bent portion may have a shape in which the bending angle is substantially a right angle (about 90 °).

  In addition, the inner blade 30 is provided exclusively for the net blades 40 and 50 and the slit outer blade 60 constituting the outer blade 20.

  Specifically, the bending of the corresponding net blades 40, 50 on the inner side of each net blade 40, 50 (the lower side of each net blade 40, 50: the side opposite to the side in contact with the skin S of the outer blade 20). An inverted U-shaped inner blade (first inner blade 70, second inner blade 80) along the shape is disposed (see FIG. 2).

  On the other hand, on the inner side of the slit outer blade 60 (the lower side of the slit outer blade 60: the side opposite to the side in contact with the skin S of the outer blade 20), a substantially U-shaped slit along the curvature of the slit outer blade 60. An inner blade 90 is disposed (see FIG. 4).

  The slit inner blade 90 is arranged to be narrow in the front-rear direction X and to be long in the left-right direction Y, and has a substantially inverted U-shaped cross section that protrudes upward (skin S side). Yes. Therefore, the slit inner blade 90 also has a predetermined length and width. The slit inner blade 90 also has the inner blade length direction substantially coincided with the left-right direction Y of the electric shaver 10, and the inner blade width direction. Are arranged so as to substantially coincide with the longitudinal direction X of the electric razor 10. Further, the slit inner blade 90 is formed to be slightly smaller than the slit outer blade 60.

  As shown in FIGS. 4 and 5, the slit inner blade 90 includes a flat top wall 91 on which an outer surface (sliding contact surface capable of sliding contact with the slit outer blade 60) 90 a is formed, and a front-rear direction ( Inner blade width direction) A pair of side walls 92, 92 that are provided continuously at both ends of X and extend downward (in a direction away from the skin S) and face each other in the front-rear direction X.

  Then, the slit inner blade 90 is formed by drilling the slit 94 from the flat top wall 91 to the side wall 92. That is, the slit 94 is formed so as to extend from one side wall 92 in the front-rear direction X of the slit inner blade 90 to the other side wall 92.

  As described above, in the present embodiment, the slit 94 is also formed in an elongated slit shape and has a length and a width. The slit 94 is formed such that the length direction (slit length direction) of the slit 94 substantially coincides with the width direction (inner blade width direction) of the slit inner blade (inner blade) 90.

  Therefore, the slit 94 is in a state in which the length direction (slit length direction) substantially coincides with the front-rear direction X of the electric razor 10 and the width direction (slit width direction) substantially coincides with the left-right direction Y of the electric razor 10. Is formed.

  In the present embodiment, a plurality of slits 94 are formed so as to be arranged at substantially equal intervals at a predetermined pitch (predetermined interval) in the left-right direction (inner blade length direction: slit width direction) Y, and are adjacent to each other. Between the slits 94, crosspieces 93 extending in the front-rear direction X are formed along the slits 94. The crosspiece 93 also extends from the flat top wall 91 to the side wall 92 and has a substantially U-shape. The slit 94 has a wider pitch interval than the slit 300.

  The slits 94 are also formed on the side walls 92 at both ends in the front-rear direction (inner blade width direction: slit length direction) X. Thus, by forming both ends of the slit 94 in the front-rear direction (inner blade width direction: slit length direction) X on the side wall 92, the hair H introduced from the side of the slit 300 interferes with the side wall 92. It is trying to be suppressed.

  The slit inner blade 90 is also formed using a single metal flat plate.

  These inner blades 30 are attached to a drive mechanism (not shown). When the drive mechanism is driven, each inner blade 30 reciprocates in the left-right direction (inner blade length direction: slit width direction) Y. It has become.

  The first inner blade 70, the second inner blade 80, and the slit inner blade 90 are attached to the drive mechanism so as to be able to move up and down independently, and each inner blade 30 corresponds to the corresponding outer blade 20. On the lower side, when reciprocating in the left-right direction (inner blade length direction: slit width direction) Y, it is arranged so that it can slide in contact with the inner surface 200b of the outer blade 20.

  Thus, the 1st inner blade 70, the 2nd inner blade 80, and the slit inner blade which were arrange | positioned under the 1st net blade 40, the 2nd net blade 50, and the slit outer blade 60 (inward). 90 is displaced relative to each outer blade 20 (relative movement: reciprocating in the left-right direction Y), so that the hair H inserted in the blade hole or slit 300 of each outer blade 20 Each outer blade 20 and the corresponding inner blade 30 are configured to cooperate and cut.

  Here, in the present embodiment, each outer blade 20 (the first net blade 40, the slit outer blade 60, and the second net blade 50) can be moved up and down independently independently. The outer blade cassette 17 is formed by being mounted on the blade frame 18 (see FIG. 2).

  At this time, the net blades 40 and 50 and the slit outer blade 60 constituting the outer blade 20 are each attached to a dedicated outer blade frame to form an outer blade unit, and the outer blade unit is attached to the outer blade frame 18. The outer blade cassette 17 is formed by engaging with each other independently so as to be movable up and down.

  By attaching the outer blade cassette 17 to the outer blade holding member 16, the first net blade 40, the slit outer blade 60, and the second net blade 50 are arranged on the outer blade holding member 16 in order from the front in the front-rear direction X. , It is arranged so as to be exposed upward.

  In the present embodiment, the outer blade cassette 17 is detachably attached to the outer blade holding member 16 and is detachably attached to the head body 14.

  Furthermore, in this embodiment, the inner blade 90 is mounted on the outer blade cassette 17 so as to be able to reciprocate relative to the slit outer blade 60.

  That is, in this embodiment, the slit outer blade 60 constitutes a slit blade unit (one of the outer blade units) 100 together with the slit inner blade 90 as shown in FIG.

  Next, a specific configuration of the slit blade unit 100 will be described.

  As shown in FIG. 4, the slit blade unit 100 includes a slit outer blade body 110 in which support members 111 are fixed to the left and right ends of the slit outer blade 60, and a slit inner blade in which a joint member 121 is fixed to the slit inner blade 90. And a body 120. Then, the slit blade unit 100 is formed by integrating the slit inner blade body 120 with the slit outer blade body 110 in a state of being elastically contacted in the distal direction.

  In the slit outer blade body 110, a cylindrical heat seal boss 111a formed in the support member 111 is engaged with a circular cutout heat seal recess 62a formed in the side wall 62 of the slit outer blade 60. It is formed by heat seal welding in the state.

  On the other hand, the slit inner blade body 120 has a cylindrical shape formed in the joint member 121 in a circular notch-shaped heat seal recess 92a and a rectangular notch-shaped engagement hole 92b formed in the side wall 92 of the slit inner blade 90. The heat seal boss 121a and the hook-like hook 121b are engaged with each other, and heat seal welding is performed.

  By doing so, the slit blade unit 100 in which the slit inner blade 90 is mounted so as to be able to reciprocate with respect to the slit outer blade 60 is formed.

  Furthermore, in the present embodiment, a cover piece 111b that extends downward is provided on the outer side in the left-right direction Y of the support member 111, and a spring that faces upward on the inner side in the left-right direction Y of the support member 111. A receiving portion 111c is provided.

  Further, spring receiving portions 121c facing downward are formed at both ends of the joint member 121 in the left-right direction Y.

  The slit outer blade body 110 and the slit inner blade body 120 are integrated by inserting the slit inner blade 90 into the slit outer blade 60 so as to be slidable in the left-right direction, and the spring receiving portion 111c of the support member 111. Slit blade push-up spring 130 is interposed between spring receiving portion 121c of joint member 121.

  At this time, the outer surface 90a of the slit inner blade 90 is elastically contacted with the inner surface 200b of the slit outer blade 60 by the slit blade push-up spring 130 (see FIG. 5).

  As described above, in the slit outer blade unit 100 according to the present embodiment, the slit inner blade 90 can slide in the left-right direction Y while the outer surface 90a of the slit inner blade 90 is elastically contacted with the inner surface 200b of the slit outer blade 60. Thus, it is housed inside the slit outer blade 60.

  By doing so, a good sharpness of the hair H cut at the sliding surfaces (the inner surface 200b and the outer surface 90a) of the slit outer blade 60 and the slit inner blade 90 is ensured.

  Next, a specific configuration of the slit outer blade 60 according to the present embodiment will be described.

  In the present embodiment, the slit outer blade (outer blade) 60 includes a skin contact surface 200a that contacts the skin (skin surface) S and an inner slit blade (inner blade) 90, as shown in FIGS. An outer blade main body 200 having an inner surface 200b capable of sliding contact is provided. Furthermore, the slit outer blade (outer blade) 60 includes a slit 300 that extends in the front-rear direction (outer blade width direction: slit length direction) X and into which the hair H is introduced. A plurality of the slits 30 are formed in the left-right direction (outer blade length direction: slit width direction) Y at a predetermined interval.

  In addition, as described above, the slit outer blade (outer blade) 60 has a lateral direction (outer blade length direction: slit width direction) between adjacent slits 300 in the front-rear direction ( A crosspiece 210 extending in the outer blade width direction (X) is formed. Therefore, in the present embodiment, the crosspiece 210 constitutes a part of the outer blade main body 200.

  Further, the periphery of the slit 300 is defined by a crosspiece 210. Therefore, the edge of the crosspiece 210 on the slit 300 side is the peripheral edge of the slit 300.

  Furthermore, in the present embodiment, the slit 300 has a shape in which both ends 301a and 301b in the front-rear direction (outer blade width direction: slit length direction) X are shifted in the left-right direction (outer blade length direction: slit width direction) Y. I am doing.

  Specifically, the slit 300 is arranged on one side of the front-rear direction (outer blade width direction: slit length direction) X, and extends in the front-rear direction (outer blade width direction: slit length direction) X. A slit portion 310 is provided.

  Further, the slit 300 is shifted in the left-right direction (outer blade length direction: slit width direction) Y with respect to the first slit portion 310 on the other side in the front-rear direction (outer blade width direction: slit length direction) X. 2nd slit part 320 which is arrange | positioned and extends in the front-back direction (outer blade width direction: slit length direction) X is provided.

  The first slit part 310 and the second slit part 320 are connected by the connection slit part 330. The connecting slit portion 330 is formed to extend in a direction intersecting with the front-rear direction (outer blade width direction: slit length direction) X.

  That is, the slit 300 includes a first slit portion 310 positioned on one end side in the front-rear direction (outer blade width direction: slit length direction) X and the other end in the front-rear direction (outer blade width direction: slit length direction) X. Side, the second slit part 320 in a position shifted in the left-right direction (outer blade length direction: slit width direction) Y with respect to the first slit part 310, the first slit part 310, the second slit part 320, And a connecting slit portion 330 for connecting the two.

  And the crosspiece 210 formed along this slit 300 adjoins the 1st slit part 310 in the left-right direction (outer blade length direction: slit width direction) Y, and the front-back direction (outer blade width direction: slit length). The first crosspiece 220 extending in the (direction) X is provided.

  The crosspiece 210 is adjacent to the second slit portion 320 in the left-right direction (outer blade length direction: slit width direction) Y and extends in the front-rear direction (outer blade width direction: slit length direction) X. A crosspiece 230 is provided.

  The first crosspiece 220 and the second crosspiece 230 are connected by a connection crosspiece 240 adjacent to the connection slit 330. The connecting bar portion 240 is formed to extend in a direction intersecting with the front-rear direction (outer blade width direction: slit length direction) X (substantially the same direction as the extending direction of the connecting slit portion 330).

  That is, the crosspiece 210 includes a first crosspiece 220 adjacent to the first slit 310, a second crosspiece 230 adjacent to the second slit 320, and a first crosspiece 220 adjacent to the connection slit 330. And a connecting crosspiece 240 that connects the second crosspiece 230.

  And the connection slit part 330 is one side of the left-right direction (outer blade length direction: slit width direction) Y, and is the connection part in one side of the front-back direction (outer blade width direction: slit length direction) X. 331a and a connecting portion 331c on the other side in the left-right direction (outer blade length direction: slit width direction) Y and on one side in the front-rear direction (outer blade width direction: slit length direction) X It is connected to one slit part 310.

  That is, the connecting portion 331a is a connecting portion with the first slit portion 310 on one side in the left-right direction (outer blade length direction: slit width direction) Y of the connecting slit portion 330, and the connecting portion 331b is connected. This is a connecting portion with the second slit portion 320 on one side in the left-right direction (outer blade length direction: slit width direction) Y of the slit portion 330.

  And the vicinity of the line segment which connects the connection part 331a and the connection part 331c in the 1st slit part 310 becomes the connection part 311 with the connection slit part 330 of the 1st slit part 310 (refer Fig.7 (a)). ).

  The connecting slit portion 330 is on one side of the left-right direction (outer blade length direction: slit width direction) Y and on the other side of the front-rear direction (outer blade width direction: slit length direction) X. 331b and a connecting portion 331d on the other side in the front-rear direction (outer blade width direction: slit length direction) X on the other side in the left-right direction (outer blade length direction: slit width direction) Y, Two slits 320 are connected.

  That is, the connecting portion 331c is a connecting portion with the first slit portion 310 on the other side of the connecting slit portion 330 in the left-right direction (outer blade length direction: slit width direction) Y, and the connecting portion 331d is connected. This is a connecting portion with the second slit portion 320 on the other side in the left-right direction (outer blade length direction: slit width direction) Y of the slit portion 330.

  And the vicinity of the line segment which connects the connection part 331b and the connection part 331d in the 2nd slit part 320 becomes the connection part 321 with the connection slit part 330 of the 2nd slit part 320 (refer Fig.7 (a)). ).

  Here, in the present embodiment, the shift width W1 in the left-right direction (outer blade length direction: slit width direction) Y between the first slit portion 310 and the second slit portion 320 is a connecting portion with the connecting slit portion 330. The width W2 is equal to or larger than the width W2 of 311 and 321 (the connecting portion of the first slit portion 310 and / or the second slit portion 320).

  Specifically, the width W1 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331b is equal to or greater than the width W2 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331c. A connecting slit portion 330 is formed.

  In the present embodiment, as shown in FIG. 7A, the connecting slit portion 330 is formed so that W1 = W2.

  In this way, when the slit 300 is viewed from the front-rear direction (outer blade width direction: slit length direction) X, the slit 300 between the connecting portion 331a and the connecting portion 331c is connected to the connecting crosspiece (the connection at the crosspiece 210). The slit portion 330 is covered with a peripheral portion 240 on one side in the left-right direction Y).

  As a result, when the sleeping hair H is introduced into the first slit portion 310, the slit outer blade (outer blade) 60 is moved in the front-rear direction (outer blade width direction: slit length direction) X. Since the sleeping hair H comes into contact with the connecting bar 240, the hair can be raised and cut more reliably.

  At this time, the connecting slit portion 330 is formed such that an angle formed with the left-right direction (outer blade length direction: slit width direction) Y is 0 ° to 45 °.

  That is, the angle θ1 formed by the straight line L1 connecting the connecting portion 331a and the connecting portion 331b and the left-right direction (outer blade length direction: slit width direction) Y is set to be 0 ° or more and 45 ° or less. In the present embodiment, θ1 = 45 °.

  Here, for example, if θ1 is larger than 45 °, even if the hair H comes into contact with the peripheral edge 214 of the connecting slit 330, it moves (slides) as it is along the peripheral edge 214, thereby raising the hair. There is a risk that it will not be possible. Therefore, θ1 is preferably set to 45 ° or less.

  When θ1 is brought close to 0 °, the raising effect by the peripheral edge portion 214 can be further enhanced.

  However, when θ1 is brought close to 0 °, when the slit outer blade (outer blade) 60 is moved in the front-rear direction (outer blade width direction: slit length direction) X, the body hair H and the peripheral edge portion 214 come into contact with each other. May increase the frictional resistance, and the hair H may become difficult to slip along the peripheral edge 214.

  Therefore, θ1 is set to be 30 ° or more and 45 ° or less so that the hair raising effect by the connecting bar 240 can be enhanced and the body hair H can be smoothly guided to the cutting portion with less frictional resistance. Is preferred.

  Further, in the present embodiment, a slit outer blade (outer blade) is provided at a connecting portion (the connecting portion 311 and / or the connecting portion 321) between the first slit portion 310 and / or the second slit portion 320 and the connecting slit portion 330. The curved portion 302 is formed in a state in which 60 is viewed from the side in contact with the skin S.

  That is, in the state where the slit outer blade (outer blade) 60 is viewed from the skin contact surface 200a side, the end of the connecting slit portion 330 in the front-rear direction (outer blade width direction: slit length direction) X (the connecting portions 331a to 331a). A curved portion 302 is formed at 331d). The curved portion 302 preferably has a radius of curvature of 0.1 mm to 0.5 mm.

  Thus, by forming the curved part 302, it is suppressed that the hair H introduced into the 1st slit part 310 or the 2nd slit part 320 is caught in a connection part (connection part 311 or connection part 321). Thus, the hair H in the slit 300 can be moved more smoothly. Moreover, the irritation | stimulation given to skin (skin surface) S can also be reduced by curving a connection part smoothly.

  In the present embodiment, the crosspiece 210 has a slit on the skin contact surface (outer surface) 211 that contacts the skin (skin surface) S and on the lower side (opposite the outer surface) of the skin contact surface (outer surface) 211. It has an inner surface 212 that faces the inner blade (inner blade) 90, and a side surface 213 that connects the skin contact surface (outer surface) 211 and the inner surface 212.

  And in this Embodiment, as shown in FIG.7 (b) and FIG.7 (c), the crosspiece 210 is a surface parallel to the up-down direction Z and orthogonal to the direction where the said crosspiece 210 extends. The cut cross-sectional shape is formed in a substantially square shape. Therefore, the skin contact surface side end portion 214 and the inner surface side end portion 215 of the crosspiece 210 are configured to be substantially perpendicular edge portions (corner portions).

  7B shows the cross-sectional shapes of the first crosspiece 220 and the second crosspiece 230 (in the X direction parallel to the vertical direction Z and extending the first crosspiece 220 and the second crosspiece 230). A cross-sectional shape cut by a plane parallel to the YZ plane perpendicular to the cross-section).

  FIG. 7C shows a cross-sectional shape of the connecting bar 240 (a cross-sectional shape cut in a plane parallel to the vertical direction Z and perpendicular to the direction in which the connecting bar 240 extends). .

  That is, as shown in FIG. 7B, the first crosspiece 220 and the second crosspiece 230 have skin contact surfaces (outer surfaces) 221 and 231, inner surfaces 222 and 232, and side surfaces 223 and 233. is doing. The skin contact surface side end portions 224 and 234 and the inner surface side end portions 225 and 235 of the first crosspiece portion 220 and the second crosspiece portion 230 form substantially perpendicular edge portions (corner portions).

  On the other hand, as shown in FIG. 7C, the connecting crosspiece 240 has a skin contact surface (outer surface) 241, an inner surface 242, and a side surface 243. And the skin contact surface side edge part 244 and the inner surface side edge part 245 in the connecting bar part 240 are substantially right-angled edge parts (corner parts).

  As described above, in this embodiment, the angle formed by the inner surface 242 of the connecting bar portion 240 and the whole (part or all) of the side surface 243 of the connecting bar portion 240 is 90 ° (90 ° or more).

  In this embodiment, in the slit outer blade (outer blade) 60 where the slit 300 is formed (range from one slit in the left-right direction Y to the other slit) in the front-rear direction (outer blade width). When viewed in the direction: slit length direction) X, the slit 300 is present in any part in the left-right direction (outer blade length direction: slit width direction) Y. That is, in the region where the slit 300 is formed, when the slit outer blade (outer blade) 60 is cut by a plane (XZ plane) perpendicular to the left-right direction Y, the cross section extends from one side wall 62 to the other side wall 62. There is no place where only 210 is formed.

  In this way, when the slit outer blade (outer blade) 60 is moved in the front-rear direction (outer blade width direction: slit length direction) X, the slit 300 is formed from the start to the end of the movement. All of the skin (skin surface) S that faces the region that is present can be made to face the slit 300 at any stage. As a result, the body hair H of the skin (skin surface) S can be cut more efficiently.

  In the present embodiment, the slit 300 is formed so as to be substantially point-symmetric with respect to the center of the slit 300.

  Therefore, even if the slit outer blade (outer blade) 60 is moved in any direction of the front-rear direction (outer blade width direction: slit length direction) X, the above-described operations and effects can be achieved.

  Next, a modified example of the slit outer blade 60 will be described.

  The slit outer blade 60 has, for example, the planar shape of the slit 300 and the crosspiece 210 (the shape of the slit 300 and the crosspiece 210 when the slit outer blade 60 is viewed from the side in contact with the skin S) as shown in FIGS. It can be set as the shape shown to (b) and Fig.9 (a)-FIG.9 (c).

  The slit 300 shown in FIG. 8A also has a shape in which both ends 301a and 301b in the front-rear direction (outer blade width direction: slit length direction) X are shifted in the left-right direction (outer blade length direction: slit width direction) Y. is doing.

  That is, the slit 300 shown in FIG. 8A is also arranged at a position shifted in the left-right direction (outer blade length direction: slit width direction) Y with respect to the first slit portion 310 and the first slit portion 310. The second slit part 320 is connected to the second slit part 320 by the connection slit part 330.

  In addition, the displacement width W1 in the left-right direction (outer blade length direction: slit width direction) Y between the first slit portion 310 and the second slit portion 320 is the connecting portions 311 and 321 (first slit) with the connecting slit portion 330. The width W2 of the portion 310 and / or the second slit portion 320) is equal to or greater than the width W2.

  Specifically, the width W1 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331b is equal to or greater than the width W2 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331c. A connecting slit portion 330 is formed. In FIG. 8A, the connecting slit portion 330 is formed so that W1> W2.

  Further, the connecting slit portion 330 is formed so that an angle formed with the left-right direction (outer blade length direction: slit width direction) Y is 0 ° or more and 45 ° or less.

  That is, the angle θ1 formed by the straight line L1 connecting the connecting portion 331a and the connecting portion 331b and the left-right direction (outer blade length direction: slit width direction) Y is set to be 0 ° or more and 45 ° or less. In FIG. 8A, θ1 is set to 30 °.

  In FIG. 8A, the slit 300 is formed so that both sides in the front-rear direction (outer blade width direction: slit length direction) X are wide. In this way, when the slit outer blade 60 having the top wall 61 and the pair of side walls 62 and 62 is formed, the opening area on both sides of the slit 300 can be increased. Thus, by increasing the opening area of the side portion of the slit 300, the hair H can be easily introduced into the slit 300 from the front-rear direction X.

  The slit 300 shown in FIG. 8B also has a shape in which both ends 301a and 301b of the front-rear direction (outer blade width direction: slit length direction) X are shifted in the left-right direction (outer blade length direction: slit width direction) Y. is doing.

  That is, the slit 300 shown in FIG. 8B is also arranged at a position shifted in the left-right direction (outer blade length direction: slit width direction) Y with respect to the first slit portion 310 and the first slit portion 310. The second slit part 320 is connected to the second slit part 320 by the connection slit part 330.

  In addition, the displacement width W1 in the left-right direction (outer blade length direction: slit width direction) Y between the first slit portion 310 and the second slit portion 320 is the connecting portions 311 and 321 (first slit) with the connecting slit portion 330. The width W2 of the portion 310 and / or the second slit portion 320) is equal to or greater than the width W2.

  Specifically, the width W1 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331b is equal to or greater than the width W2 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331c. A connecting slit portion 330 is formed. In FIG. 8B, the connecting slit portion 330 is formed so that W1> W2.

  Further, the slit 300 shown in FIG. 8B is formed so that the connecting portions 331a and 331d of the connecting slit portions 330 adjacent to each other are aligned in the front-rear direction (outer blade width direction: slit length direction) X. ing.

  Further, the connecting slit portion 330 is formed so that an angle formed with the left-right direction (outer blade length direction: slit width direction) Y is 0 ° or more and 45 ° or less.

  That is, the angle θ1 formed by the straight line L1 connecting the connecting portion 331a and the connecting portion 331b and the left-right direction (outer blade length direction: slit width direction) Y is set to be 0 ° or more and 45 ° or less. Also in FIG. 8B, θ1 is set to 30 °.

  8B, the slit 300 is formed so that both sides in the front-rear direction (outer blade width direction: slit length direction) X are wide. In this way, when the slit outer blade 60 having the top wall 61 and the pair of side walls 62 and 62 is formed, the opening area on both sides of the slit 300 can be increased. Thus, by increasing the opening area of the side portion of the slit 300, the hair H can be easily introduced into the slit 300 from the front-rear direction X.

  The slit 300 shown in FIG. 9A also has a shape in which both ends 301a and 301b in the front-rear direction (outer blade width direction: slit length direction) X are shifted in the left-right direction (outer blade length direction: slit width direction) Y. is doing.

  That is, the slit 300 shown in FIG. 9A is also arranged at a position shifted in the left-right direction (outer blade length direction: slit width direction) Y with respect to the first slit portion 310 and the first slit portion 310. The second slit part 320 is connected to the second slit part 320 by the connection slit part 330.

  In addition, the displacement width W1 in the left-right direction (outer blade length direction: slit width direction) Y between the first slit portion 310 and the second slit portion 320 is the connecting portions 311 and 321 (first slit) with the connecting slit portion 330. The width W2 of the portion 310 and / or the second slit portion 320) is equal to or greater than the width W2.

  Specifically, the width W1 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331b is equal to or greater than the width W2 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331c. A connecting slit portion 330 is formed. In FIG. 9A, the connecting slit portion 330 is formed so that W1 = W2.

  Further, the connecting slit portion 330 is formed so that an angle formed with the left-right direction (outer blade length direction: slit width direction) Y is 0 ° or more and 45 ° or less.

  That is, the angle θ1 formed by the straight line L1 connecting the connecting portion 331a and the connecting portion 331b and the left-right direction (outer blade length direction: slit width direction) Y is set to be 0 ° or more and 45 ° or less. In FIG. 9A, θ1 is set to 0 °.

  That is, the connecting crosspiece 240 is extended in the left-right direction (outer blade length direction: slit width direction) Y.

  The slit 300 shown in FIG. 9B also has a shape in which both ends 301a and 301b of the front-rear direction (outer blade width direction: slit length direction) X are shifted in the left-right direction (outer blade length direction: slit width direction) Y. is doing.

  That is, the slit 300 shown in FIG. 9B is also arranged at a position shifted in the left-right direction (outer blade length direction: slit width direction) Y with respect to the first slit portion 310 and the first slit portion 310. The second slit part 320 is connected to the second slit part 320 by the connection slit part 330.

  In addition, the displacement width W1 in the left-right direction (outer blade length direction: slit width direction) Y between the first slit portion 310 and the second slit portion 320 is the connecting portions 311 and 321 (first slit) with the connecting slit portion 330. The width W2 of the portion 310 and / or the second slit portion 320) is equal to or greater than the width W2.

  Specifically, the width W1 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331b is equal to or greater than the width W2 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331c. A connecting slit portion 330 is formed. In FIG. 9B, the connecting slit portion 330 is formed so that W1 = W2.

  Further, the connecting slit portion 330 is formed so that an angle formed with the left-right direction (outer blade length direction: slit width direction) Y is 0 ° or more and 45 ° or less.

  That is, the angle θ1 formed by the straight line L1 connecting the connecting portion 331a and the connecting portion 331b and the left-right direction (outer blade length direction: slit width direction) Y is set to be 0 ° or more and 45 ° or less.

  Furthermore, in FIG.9 (b), the connection crosspiece part 240 in the crosspiece 210 is made into the level | step difference shape. Specifically, in FIG. 9B, the connecting crosspiece 240 has the ends of the straight lines L2 and L3 extending in the left-right direction (outer blade length direction: slit width direction) Y in the front-rear direction (outer blade). Width direction: slit length direction) It is formed to have a stepped shape connected by a straight line L4 extending in X direction.

  The slit 300 shown in FIG. 9C also has a shape in which both ends 301a and 301b in the front-rear direction (outer blade width direction: slit length direction) X are shifted in the left-right direction (outer blade length direction: slit width direction) Y. is doing.

  That is, the slit 300 shown in FIG. 9C is also arranged at a position shifted in the left-right direction (outer blade length direction: slit width direction) Y with respect to the first slit portion 310 and the first slit portion 310. The second slit part 320 is connected to the second slit part 320 by the connection slit part 330.

  In addition, the displacement width W1 in the left-right direction (outer blade length direction: slit width direction) Y between the first slit portion 310 and the second slit portion 320 is the connecting portions 311 and 321 (first slit) with the connecting slit portion 330. The width W2 of the portion 310 and / or the second slit portion 320) is equal to or greater than the width W2.

  Specifically, the width W1 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331b is equal to or greater than the width W2 in the left-right direction Y of the line connecting the connecting portion 331a and the connecting portion 331c. A connecting slit portion 330 is formed. In FIG. 9C, the connecting slit portion 330 is formed so that W1 = W2.

  Further, the connecting slit portion 330 is formed so that an angle formed with the left-right direction (outer blade length direction: slit width direction) Y is 0 ° or more and 45 ° or less.

  That is, the angle θ1 formed by the straight line L1 connecting the connecting portion 331a and the connecting portion 331b and the left-right direction (outer blade length direction: slit width direction) Y is set to be 0 ° or more and 45 ° or less.

  Further, in FIG. 9C, the connecting bar 240 is formed in a stepped shape. Specifically, in FIG. 9 (c), the end of the straight lines L5 and L6 extending in the diagonal direction (the direction intersecting the left-right direction Y and the front-rear direction X) is set to the left-right direction (outside). Blade length direction: slit width direction) The shape is connected by a straight line L7 extending in Y direction.

  In FIG. 9B and FIG. 9C, the slit 300 is formed so that W1 = W2 and the connecting bar portion 240 of the bar 210 is stepped, but W1> W2 It is also possible to form the slit 300 so that the connecting beam portion 240 of the beam 210 has a stepped shape.

  Further, the raising force of the slit outer blade (outer blade) 60 can be further increased. Below, the structure which can raise the raising force of the slit outer blade (outer blade) 60 is demonstrated.

  First, as shown in FIG. 10, the 1st raising part 400 can be formed in the edge part by the side of the skin contact surface (outer surface) 241 in the connection crosspiece part 240 of the crosspiece 210 (outer blade main body 200).

  In FIG. 10, the cross-sectional shape of the connecting bar portion 240 (a cross-sectional shape cut in a plane that is parallel to the vertical direction Z and orthogonal to the direction in which the connecting bar portion 240 extends) is substantially trapezoidal. . That is, the connecting crosspiece 240 has a substantially flat skin contact surface (outer surface) 241 in contact with the skin (skin surface) S, and a slit in the lower side (opposite side of the outer surface) of the skin contact surface (outer surface) 241. A substantially flat inner surface 242 facing the blade (inner blade) 90 and a side surface 243 connecting the skin contact surface (outer surface) 241 and the inner surface 242 are partitioned. At this time, the skin contact surface (outer surface) 241 is longer than the inner surface 242, and both ends of the skin contact surface (outer surface) 241 protrude toward the connecting slit 330 from the inner surface 242. Therefore, the side surface 243 is an inclined surface that is inclined upward and outward (toward the opposing connecting beam portion 240).

  An acute edge portion (tip portion) of the skin contact surface side end portion 244 in the connecting bar portion 240 is used as the first raised portion 400. As described above, in FIG. 10, the angle between the first raised portion 400 formed by the skin contact surface (outer surface) 241 of the connection beam portion 240 and all (part or all) of the side surface 243 of the connection beam portion 240. Has an acute angle portion 430 that becomes an acute angle.

  In addition, the angle formed by the inner surface 242 of the connecting bar portion 240 and the whole (part or all) of the side surface 243 of the connecting bar portion 240 is 90 ° or more.

  That is, in the connection beam part 240, the angle of the inner surface side end portion 245 is a cross-sectional view in which the connection beam part 240 is cut in a plane parallel to the vertical direction Z and orthogonal to the direction in which the connection beam part 240 extends. It is 90 ° or more.

  As described above, in FIG. 10, the inner surface side end portion 245 of the connecting bar portion 240 is an obtuse angle edge portion (corner portion), which is an obtuse angle portion 500.

  In addition, the 1st raising part 400 should just be formed in at least one part of the connection crosspiece 240, but in order for the slit outer blade (outer blade) 60 to exhibit a more uniform raising force, a connection crosspiece part It is preferable to form the entirety of 240.

  Thus, by providing the 1st raising part 400 which has the acute angle part 430 in the connection crossing part 240 extended in the direction which cross | intersects the front-back direction (outer blade width direction: slit length direction) X, a slit outer blade ( When the outer blade 60 is moved in the front-rear direction (outer blade width direction: slit length direction) X, as shown in FIG. 10C and FIG. 11, the acute angle portion 430 (first raised portion 400). Since the apparent angle of becomes smaller, it is possible to exhibit the raising force more.

  In addition, as shown in FIG. 12, the cross-sectional shape (cross-sectional shape cut | disconnected by the surface which is parallel to the up-down direction Z and orthogonally crossed with the direction where the connection crosspiece 240 extends) of the connection crosspiece 240 is an acute angle part 430. It is good also as the shape which bent the 1st raising | fluff part 400 which has this. That is, the skin contact surface (outer surface) 241 of the connection beam portion 240 is a cross-sectional view of the connection beam portion 240 cut along a plane that is parallel to the vertical direction Z and perpendicular to the direction in which the connection beam portion 240 extends. A horizontal plane 241a located in the center and extending in a substantially horizontal direction, and inclined surfaces 241b and 241b that are respectively connected to both ends of the horizontal plane 241a and are inclined upward and outward (toward the opposing connecting beam 240), You may make it have.

  In this case, it is preferable to provide the first R portion 411 at the tip 410 of the first raised portion 400 so that the influence on the skin S can be suppressed. Further, the obtuse angle part (the edge part on the inner surface 242 side of the connection bar part 240) 500 formed at the inner surface side end part 245 of the connection bar part 240 may have a third R part 510 with rounded corners.

  As shown in FIG. 13, the side surface (at least the side surface of the portion where the first raised portion 400 is formed in the crosspiece 210) 243 of the connection crosspiece 240 is formed on the inner surface 242 from the skin contact surface (outer surface) 241 side. You may make it form the groove part 246 extended in the side.

  In FIG. 13, a plurality of groove portions 246 are juxtaposed in the extending direction of the connecting bar portion 240. In this way, by forming the groove portion 246 extending in the vertical direction on the side surface 243, the resistance against the vertical movement of the body hair H that is in contact with the side surface 243 can be reduced. It can be made smaller than the resistance to. As a result, the hair H can easily move along the groove 246, and the sleeping hair H can be more reliably raised.

  Further, the cross-sectional shape of the connecting bar 240 (a cross-sectional shape cut in a plane parallel to the vertical direction Z and orthogonal to the direction in which the connecting bar 240 extends) is the shape shown in FIG. Thus, the first raised portion 400 may be provided on the edge of the connecting bar 240 on the skin contact surface (outer surface) 241 side.

  Specifically, the connecting crosspiece 240 has a substantially flat skin contact surface (outer surface) 241 in contact with the skin (skin surface) S and a lower side (opposite side of the outer surface) of the skin contact surface (outer surface) 241. 2, the inner surface 242 that is substantially flat facing the inner blade (inner blade) 90 and the side surface 243 that connects the skin contact surface (outer surface) 241 and the inner surface 242 are partitioned. Further, in FIG. 14 (a), the side surface 243 is located on the lower side (opposite the outer surface) and is connected to the vertical surface 243b extending in the up-down direction Z and the upper end of the vertical surface 243b. And an inclined surface 243a that is inclined toward the opposite side (opposite connecting beam portion 240 side).

  As described above, in FIG. 14A, the cross-sectional shape of the connecting bar portion 240 (the cross-sectional shape cut in a plane that is parallel to the vertical direction Z and orthogonal to the direction in which the connecting bar portion 240 extends) is approximately. The trapezoidal upper part is formed in a polygonal shape in which a substantially rectangular lower part is continuously provided so that the skin contact surface (outer surface) 241 is longer than the inner surface 242.

  By adopting such a shape, in FIG. 14A, an acute angle portion (edge portion: tip portion) 430 formed in the skin contact surface side end portion 244 is used as the first raised portion 400.

  At this time, since the lower portion of the connecting bar portion 240 has a substantially rectangular shape, the inner surface side end portion 245 of the connecting bar portion 240 is a substantially right-angled edge portion (corner portion).

  That is, in FIG. 14A, the angle formed by the inner surface 242 of the connecting bar portion 240 and a part (part or all) of the side surface 243 of the connecting bar portion 240 is 90 ° (90 ° or more).

  As described above, even in the shape shown in FIG. 14A, the first raised portion 400 can be protruded outward from the inner surface side end portion 245, and the raised hair of the slit outer blade (outer blade) 60 can be obtained. The force (the raising force of the connecting bar portion 240) can be further increased.

  Further, as shown in FIG. 14A, if the angle of the inner surface side end portion 245 of the connecting bar portion 240 is 90 ° or more, the inner surface side end portion 245 is suppressed from protruding outward. The body hair H is prevented from hitting the inner surface side end portion 245. As a result, the introduction of the hair H to the slit inner blade (inner blade) 90 side of the sliding surfaces (the inner surface 200b and the outer surface 90a) can be prevented from being obstructed by the inner surface side end portion 245. Therefore, the body hair H can be more smoothly introduced to the slit inner blade (inner blade) 90 side than the sliding surfaces (the inner surface 200b and the outer surface 90a), and the body hair H can be shaved more efficiently. .

  In addition, the 1st raising part 400 shown to Fig.14 (a) should just be formed in at least one part of the connection crosspiece 240, but the slit outer blade (outer blade) 60 exhibits more uniform raising force. For this purpose, it is preferable to form the entire connecting bar 240.

  Further, as shown in FIG. 14B, a third R portion 510 may be provided on the inner surface side end 245 of the connecting bar portion 240 having the shape shown in FIG. The third R portion 510 preferably has a curvature radius of 20 μm or less.

  Here, the connecting crosspiece 240 shown in any of the above drawings can be configured such that the inner surface 242 can be in sliding contact with the outer surface 90 a of the slit inner blade (inner blade) 90. For example, the cross-sectional shape of the connecting bar portion 240 is the cross-sectional shape shown in FIG. 14A, and the inner surface 242 of the connecting bar portion 240 can be in sliding contact with the outer surface 90 a of the slit inner blade (inner blade) 90. Is possible.

  However, the connecting crosspiece 240 extends in a direction crossing the front-rear direction (outer blade width direction: slit length direction) X, and the slit inner blade (inner blade) 90 and the slit outer blade (outer blade) 60. Thus, the clip angle when the hair H is clipped is increased.

  Note that the sandwiching angle refers to the slit outer blade (outer blade) 60 on the sliding surfaces (the inner surface 200b and the outer surface 90a) when viewed from the skin contact surface 200a side (when viewed from the vertical direction Z). The angle of intersection between the ridgeline (the line drawn by the inner surface side end 225, the line drawn by the inner surface side end 245, etc.) and the ridgeline of the slit inner blade (inner blade) 90 (boundary lines at both ends in the left-right direction Y of the outer surface 90a) That means.

  In particular, in the slit 300 described above, the angle θ1 formed by the straight line L1 connecting the connecting portion 331a and the connecting portion 331b and the left-right direction (outer blade length direction: slit width direction) Y is 0 ° or more and 45 ° or less. It has become.

  Therefore, in the connecting beam portion 240, the pinching angle when the hair H is sandwiched between the slit inner blade (inner blade) 90 and the slit outer blade (outer blade) 60 is large (the ridgeline of the slit inner blade 90 is When parallel to the front-rear direction X, the sandwiching angle is 45 ° or more and 90 ° or less).

  Therefore, the connecting crosspiece 240 is a portion that is liable to cause a cutting failure such as a half cut. Note that half-cut means that the hair H is not completely cut and is half cut.

  However, as shown in FIG. 14B, if the third R portion 510 with rounded corners is formed at the inner surface side end portion 245 of the connecting bar portion 240, the hair H is cut at the connecting bar portion 240. It becomes possible to suppress.

  In this way, when the connecting crosspiece 240, which is likely to cause a cutting failure such as a half cut, is moved to the first slit portion 310 or the second slit portion 320 without cutting the body hair H, the slit inner blade 90 and the outside of the slit are removed. The hair H can be sandwiched between the blade 60 (the first crosspiece 220 or the second crosspiece 230).

  In this way, if the third R portion 510 with rounded corners is formed on the inner surface side end portion 245 of the connecting crosspiece 240, it is possible to suppress a cutting defect such as a half cut when cutting the hair H, The hair H can be shaved more reliably.

  In addition, the same effect | action and effect can be show | played also as the connection crosspiece 240 shown in FIG.

  Further, as shown in FIG. 15, the cross-sectional shape of the connecting beam part 240 (cross-sectional shape cut in a plane parallel to the vertical direction Z and perpendicular to the direction in which the connecting beam part 240 extends) is connected to the connecting beam part. It is also possible to make the angle of the inner surface side end 245 at 240 an acute angle.

  Specifically, the connecting crosspiece 240 has a substantially flat skin contact surface (outer surface) 241 in contact with the skin (skin surface) S and a lower side (opposite side of the outer surface) of the skin contact surface (outer surface) 241. 2, the inner surface 242 that is substantially flat facing the inner blade (inner blade) 90 and the side surface 243 that connects the skin contact surface (outer surface) 241 and the inner surface 242 are partitioned. Further, in FIG. 15, the side surface 243 is positioned on the lower side (opposite the outer surface) and is inclined to the lower side and outward (opposite connecting beam 240 side), and to the upper end of the inclined surface 243c. And an inclined surface 243a that is inclined upward and outward (toward the opposing connecting beam portion 240).

  As described above, in FIG. 15, the cross-sectional shape of the connecting bar part 240 (the cross-sectional shape cut in a plane parallel to the vertical direction Z and perpendicular to the direction in which the connecting bar part 240 extends) is substantially trapezoidal. It has a polygonal shape with a substantially trapezoidal lower part connected to the upper part. That is, in FIG. 15, the cross-sectional shape of the connecting bar portion 240 has a shape in which the upper end and the lower end protrude outward from the center portion.

  And by setting it as such a shape, the acute angle part (edge part: front-end | tip part) 430 formed in the skin contact surface side edge part 244 is made into the 1st raising part 400 in FIG.

  At this time, the inner surface side end portion 245 in the connecting bar portion 240 is an acute edge portion (corner portion).

  However, as described above, the connecting bar portion 240 is a portion that easily causes a cutting failure such as a half cut. Therefore, it is preferable to be able to suppress a cutting defect such as a half cut when cutting the hair H.

  Therefore, in FIG. 15, a gap D <b> 1 is formed between the inner surface 242 of the connecting bar portion 240 and the outer surface 90 a of the slit inner blade (inner blade) 90.

  In this way, if the gap D1 is formed between the inner surface 242 and the outer surface 90a of the slit inner blade (inner blade) 90, the inner surface 242 of the connecting beam 240 can be prevented from coming into contact with the outer surface 90a. Become. By doing so, the hair H is prevented from being cut in the connecting bar portion 240 including the region where the first raised portion 400 is formed. The gap D1 is preferably set to 100 μm or more.

  In this way, if the gap D1 is provided between the inner surface 242 of the connecting beam portion 240 and the slit inner blade (inner blade) 90, the hair H is formed in the connecting beam portion 240 that is liable to cause a cutting failure such as a half cut. It becomes possible to more reliably suppress the cutting. As a result, it is possible to more reliably suppress the occurrence of cutting defects such as a half cut when cutting the hair H.

  Note that the cross-sectional shape of the connecting bar portion 240 is the cross-sectional shape shown in any of the above drawings, and a gap D1 is formed between the inner surface 242 of the connecting bar portion 240 and the outer surface 90a of the slit inner blade (inner blade) 90. It is also possible to form.

  Further, the first raised portion 400 is provided at a position overlapping the slit inner blade (inner blade) 90 in a state where the slit outer blade (outer blade) 60 is viewed from the side in contact with the skin (skin surface) S. Is preferred. That is, as shown in FIG. 17, the first raised portion 400 and the slit inner blade (inner blade) 90 are over in the vertical direction Z when viewed from the left-right direction (outer blade length direction: slit width direction) Y. It is preferable to arrange the first raised portions 400 so as to wrap.

  For example, as shown in FIG. 16, the first raised portion 400 and the slit inner blade (inner blade) 90 in the state where the first raised portion 400 is viewed from the left-right direction (outer blade length direction: slit width direction) Y. Is formed at a position that does not overlap in the vertical direction Z, the body hair H raised by the first raised portion 400 sleeps again before reaching the area that can be cut by the slit inner blade (inner blade) 90. There is a risk that.

  On the other hand, as shown in FIG. 17, the first raised portion 400 and the inner blade of the slit (inner) in the state where the first raised portion 400 is viewed from the left-right direction (outer blade length direction: slit width direction) Y. If the blade 90 is formed at a position where it overlaps in the vertical direction Z, the body hair H raised by the first raised portion 400 can be more reliably cut in the raised state.

  Further, as shown in FIG. 18A, the first raised portion 400 may have a first protrusion 420 that protrudes toward the connecting slit portion 330. That is, a first protrusion 420 that protrudes outward is formed on the skin contact surface (outer surface) 241 side of the connecting bar 240, and the first protrusion 420 functions as the first raised portion 400. Good. In FIG. 18A, the first protrusion 420 is formed integrally with the connecting bar 240.

  Further, as shown in FIGS. 18B and 18C, the first protrusion 420 is formed by fixing the member 440 different from the connection beam 240 to the connection beam 240. Also good.

  Thus, it becomes possible to raise the sleeping body hair H more reliably by setting it as the structure which can raise the raising force of the slit outer blade (outer blade) 60, but when raising the raising force, the skin S May be damaged. For this reason, it is preferable that the effect on the skin S can be suppressed while raising the raising force.

  Below, the structure which can suppress the influence which acts on the skin S is demonstrated.

  First, in FIG. 18 (b) and FIG. 18 (c), as a member 440 different from the connecting bar portion 240, a member capable of suppressing the influence on the skin S during use, such as resin, rubber, or a soft material. If it is made to use, it will become possible to suppress the influence which it has on the skin S.

  The attachment direction of the other member 440 to the connecting bar 240 includes fitting, adhesion, welding, and the like. In addition, as shown in FIG. 18C, the first protrusion 420 can be formed by resin coating the outer periphery of the connecting bar 240 using a resin (another member) 440.

  Thus, if the 1st protrusion 420 is formed using the member which can suppress the influence which it has on the skin S at the time of use, while raising the sleeping hair H more reliably, the 1st raising part 400 This makes it possible to reduce the stimulation given to the skin S.

  Moreover, as shown in FIG. 19A and FIG. 19B, by forming the first R portion 411 at the edge (tip 410) of the first raised portion 400, the influence on the skin S can be suppressed. It is also possible to make it. The radius of curvature of the first R portion 411 (the radius of curvature of the first R portion 411 in a cross-sectional view when the connecting rail portion 240 is cut in a direction orthogonal to the extending direction of the connecting rail portion 240) is shown while raising the raising force. In order to be able to suppress the influence on the temperature, it is preferable that the thickness be 20 μm or more and 60 μm or less.

  Further, as shown in FIG. 20, the connecting beam portion 240 (the portion where the first raised portion 400 is formed), the first beam portion 220 and the second beam portion 230 (the first raised portion 400 is not formed). You may make it form the 2nd protrusion part 250 which protrudes to the skin S side in the vicinity of the boundary (connection part 331a, 331b, 331c, 331d) with a (part). In FIG. 20, an example in which the second protrusion 250 is formed on the first crosspiece 220 or the second crosspiece 230 is illustrated, but it is also possible to form the second protrusion 250 on the connecting crosspiece 240. . In addition, it is preferable that the protrusion amount from the skin contact surfaces (outer surfaces) 221 and 231 of the second protrusion 250 is 30 μm.

  If it carries out like this, the contact pressure of the skin S in the area | region in which the 1st raising part 400 was formed can be reduced, and the irritation | stimulation given to the skin S by the 1st raising part 400 can be reduced.

  21A, the tip 410 of the first raised portion 400 can be positioned closer to the slit inner blade (inner blade) 90 than the skin contact surface (outer surface) 241. is there. At this time, the distance in the vertical direction Z from the skin contact surface (outer surface) 241 to the tip 410 of the first raised portion 400 is preferably 30 μm.

  In FIG. 21A, the upper surface (skin S side) is an inclined surface that is inclined downward and outward, and the lower surface (inner surface side) is inclined upward and outward at the top of both side surfaces 243. The projecting portion is formed so that the connecting portion of the inclined surfaces becomes the tip 410.

  Further, as shown in FIG. 21 (b), by deforming the outward projecting portion downward, the position of the tip 410 is closer to the slit inner blade (inner blade) 90 side than the skin contact surface (outer surface) 241. You may make it become. At this time, an R portion may be formed at the skin contact surface side end portion 244. The radius of curvature of the R portion is preferably 20 μm or more and 60 μm or less.

  If it carries out like this, it will become possible to reduce the irritation | stimulation given to the skin S by the 1st raising part 400. FIG. It is also possible to form an R portion having a radius of curvature of 20 μm or more and 60 μm or less at the skin contact surface side end portion 244 while adopting the shape shown in FIG.

  Further, as shown in FIGS. 22A to 22C, the skin contact surface (outer surface) 241 of the connecting bar 240 (the part where the first raised part 400 is formed) is used as the first bar. 220 and the second crosspiece 230 (portions where the first raised portion 400 is not formed) may be positioned closer to the slit inner blade (inner blade) 90 than the skin contact surfaces (outer surfaces) 221 and 231. .

  If it carries out like this, the contact pressure of the skin S in the area | region in which the 1st raising part 400 was formed can be reduced, and the irritation | stimulation given to the skin S by the 1st raising part 400 can be reduced.

  Further, as shown in FIG. 23, the edges (skin contact) of the skin contact surfaces (outer surfaces) 221 and 231 at the first crosspiece 220 and the second crosspiece 230 (the portion where the first raised portion 400 is not formed). The contact surface side end 224 and the skin contact surface side end 234) may include the second R portion 520. The second R portion 520 preferably has a radius of curvature of 30 μm or more.

  The second R portion 520 is preferably formed over almost the entire region where the skin S abuts, that is, the second R portion 520 is preferably formed not only on the top wall 61 but also on the side wall 62.

  By so doing, it is possible to more reliably reduce the stimulation applied to the skin S that contacts the crosspiece 210 of the slit 300.

  Further, as shown in FIGS. 24 (a) and 24 (b), the side surface 243 of the connecting beam portion 240 (the portion where the first raised portion 400 is formed), the first beam portion 220, and the second beam portion. You may make it make the side surfaces 223 and 233 in 230 (part in which the 1st raising part 400 is not formed) continue with a smooth curved surface.

  If the first raised portions 400 are simply provided, a discontinuous surface is formed between the side surface 223 and the side surface 243 and between the side surface 233 and the side surface 243 as shown in FIG. As described above, when the discontinuous surface is formed, the hair H may be caught on the discontinuous surface and the shaving comfort may be deteriorated, or the skin S may be stimulated by the discontinuous surface.

  On the other hand, if the shapes shown in FIGS. 24 (a) and 24 (b) are used, the formation of discontinuous surfaces on the side surface 213 of the crosspiece 210 is suppressed, so that the stimulation given to the skin S is reduced. This makes it possible to obtain a smoother shaving feeling.

  Further, as shown in FIGS. 25A to 25C, the second raised portion 63 a is formed on the skin contact surface (outer surface) 211 side in the connecting portion 63 of the top wall 61 and the side wall 62. May be. The cross-sectional shape of the connecting portion 63 shown in FIG. 25C is almost the same as that in FIG.

  Thus, by forming the 2nd raising part 63a in the skin contact surface (outer surface) 211 side in the connection part 63 of the top wall 61 and the side wall 62, the body hair H introduced from the side wall 62 side is connected to the connection part 63. Since the hair can be raised by the second raised portion 63a on the side, the hair H can be shaved more efficiently.

  As described above, the electric shaver 10 according to the present embodiment has a predetermined length and width, and has a slit outer blade (outer blade) 60 in contact with the skin (skin surface) S and a slit outer blade (outer). A slit inner blade (inner blade) 90 that is disposed on the opposite side of the blade 60 from the side in contact with the skin S and is displaced relative to the slit outer blade (outer blade) 60.

  The slit outer blade (outer blade) 60 has a plurality of slits 300 extending in the front-rear direction (outer blade width direction) X and into which the hair H is introduced at predetermined intervals in the left-right direction (outer blade length direction) Y. It is formed to line up.

  In addition, the slit 300 has a first slit portion 310 located on one end side in the front-rear direction (outer blade width direction) X and a first slit portion 310 on the other end side in the front-rear direction (outer blade width direction) X. And a second slit part 320 located in a position shifted in the left-right direction (outer blade length direction) Y, and a connecting slit part 330 that connects the first slit part 310 and the second slit part 320. .

  And the shift | offset | difference width W1 in the left-right direction (outer blade length direction) Y of the 1st slit part 310 and the 2nd slit part 320 is the 1st slit part 310 in the connection parts 311 and 321 with the connection slit part 330, and / or. Alternatively, the width is equal to or greater than the width W2 of the second slit portion 320.

  In this way, when the sleeping outer hair (outer blade) 60 is moved in the front-rear direction (outer blade width direction: slit length direction) X with the sleeping hair H introduced into the slit 300, it is more reliable. The contact slit portion 330 can be brought into contact with the peripheral edge portion (connection bar portion 240). As a result, it is possible to raise the sleeping hair H more reliably, than the contact surfaces (sliding surfaces: inner surface 200b and outer surface 90a) with the slit inner blade (inner blade) 90 and the slit outer blade (outer blade) 60. Since it can be introduced into the slit inner blade (inner blade) 90 side, the hair H can be shaved more efficiently.

  At this time, the connecting slit portion 330 can be formed so that an angle formed with the left-right direction (outer blade length direction) Y is not less than 0 ° and not more than 45 °.

  In this way, when the slit outer blade (outer blade) 60 is moved in the front-rear direction (outer blade width direction: slit length direction) X with the sleeping hair H introduced into the slit 300, the connecting slit portion It is suppressed that the hair H which contact | abutted to the peripheral part (connecting crosspiece 240) of 330 slips, and the sleeping hair H can be raised more reliably.

  Further, the first slit portion 310 and / or the connecting portions 311 and 321 between the second slit portion 320 and the connecting slit portion 330 are curved in a state where the slit outer blade (outer blade) 60 is viewed from the side in contact with the skin S. It is also possible to form the portion 302.

  By carrying out like this, the irritation | stimulation given to the skin S which contact | abuts to the peripheral part (the connection part 311 and / or the connection part 321) of the slit 300 can be reduced.

  Further, a crosspiece 210 extending in the front-rear direction (outer blade width direction) X along the slits 300, 300 is formed between the slits 300, 300 adjacent to each other in the left-right direction (outer blade length direction) Y. It is also possible to make it.

  At this time, the crosspiece 210 includes a first crosspiece 220 adjacent to the first slit 310, a second crosspiece 230 adjacent to the second slit 320, and the first crosspiece 220 adjacent to the connecting slit 330. It is also possible to be constituted by a connecting crosspiece 240 that connects the second crosspiece 230.

  Further, the crosspiece 210 has a skin contact surface (outer surface) 211 in contact with the skin S, an inner surface 212 facing the slit inner blade (inner blade) 90 on the opposite side of the skin contact surface (outer surface) 211, It is also possible to have a side surface 213 connecting the contact surface (outer surface) 211 and the inner surface 212.

  And it is also possible to form the 1st raising part 400 in the edge (skin contact surface side edge part 244) by the side of the skin contact surface (outer surface) 241 in the connection crosspiece 240. FIG.

  In this way, the sleeping hair H can be raised more reliably.

  Moreover, it is also possible to make the connecting crosspiece 240 have a step shape when viewed from the skin contact surface 200a side.

  By so doing, the hair H can be made more difficult to skid, so that the sleeping hair H can be raised more reliably.

  In addition, the first raised portion 400 may have a first protrusion 420 that protrudes toward the connection slit portion 330.

  In this way, the sleeping hair H can be raised more reliably with a simpler configuration.

  In addition, the first raised portion 400 is an acute angle portion in which the angle formed by the skin contact surface (outer surface) 241 of the connecting bar portion 240 and all (a part or all) of the side surface 243 of the connecting bar portion 240 is an acute angle. It is also possible to have 430.

  If it carries out like this, the front-end | tip of the 1st raising part 400 can be made to sneak easily between the skin S and the sleeping body hair H, and the sleeping body hair H can be raised more reliably.

  Further, the first protrusion 420 may be formed by fixing a member 440 different from the connection bar 240 to the connection bar 240.

  If it carries out like this, it will become possible to reduce the irritation | stimulation given to the skin S by the 1st raising part 400, raising the sleeping body hair H more reliably. In particular, if the first raised portion 400 is formed using a member having sufficient elasticity, the stimulation given to the skin S by the first raised portion 400 can be further reduced.

  In addition, the edge portion (tip 410) of the first raised portion 400 may have a first R portion 411 with rounded corners.

  If it carries out like this, it will become possible to reduce the irritation | stimulation given to the skin S by the 1st raising part 400, raising the sleeping body hair H more reliably.

  At this time, the radius of curvature of the first R portion 411 of the first raised portion 400 (the radius of curvature of the first R portion 411 in a cross-sectional view obtained by cutting the connecting bar portion 240 in a direction orthogonal to the extending direction of the connecting bar portion 240). It is preferable to be 20 μm or more and 60 μm or less.

  If it carries out like this, it will become possible to reduce the irritation | stimulation given to the skin S by the 1st raising part 400, suppressing the fall of raising force.

  Further, the edges (skin contact surface side end 224) of the skin contact surfaces (outer surfaces) 221 and 231 at the first crosspiece 220 and the second crosspiece 230 (the portion where the first raised portion 400 is not formed) It is also possible for the skin contact surface side end portion 234) to have a second R portion 520 with rounded corners.

  By carrying out like this, the irritation | stimulation given to the skin S which contact | abuts to the crosspiece 210 can be reduced more reliably.

  It is also possible to position the tip 410 of the first raised portion 400 closer to the slit inner blade (inner blade) 90 than the skin contact surface (outer surface) 241.

  If it carries out like this, it will become possible to reduce the irritation | stimulation given to the skin S by the 1st raising part 400. FIG.

  Further, the connecting crosspiece 240 (the portion where the first raised portion 400 is formed in the crosspiece 210) and the first crosspiece 220 and the second crosspiece 230 (the portion where the first raised portion 400 is not formed). It is also possible to form a second protrusion 250 that protrudes toward the skin S in the vicinity of the boundaries (connection portions 331a, 331b, 331c, 331d).

  Then, the skin contact surface (outer surface) 241 of the connecting crosspiece 240 (the portion where the first raised portion 400 of the crosspiece 210 is formed) is used as the first crosspiece 220 or the second crosspiece 230 (the first raised portion 400). You may make it locate in the slit inner blade (inner blade) 90 side rather than the skin contact surface (outer surface) 221 and 231 of the site | part which is not formed.

  If it carries out like this, the contact pressure of the skin S in the area | region in which the 1st raising part 400 was formed can be reduced, and the irritation | stimulation given to the skin S by the 1st raising part 400 can be reduced.

  In addition, the side surface 243 of the connecting beam portion 240 provided with the first raised portion 400, the side surface 223 of the first beam portion 220 not provided with the first raised portion 400, and the side surface 233 of the second beam portion 230 are smoothly formed. It is also possible to connect them.

  By doing so, the formation of a discontinuous surface on the side surface 213 of the crosspiece 210 is suppressed, so that the stimulation given to the skin S can be reduced, and a smoother shaving feeling can be obtained. Will be able to.

  In addition, the first raised portion 400 may be provided at a position overlapping the slit inner blade (inner blade) 90 in a state where the slit outer blade (outer blade) 60 is viewed from the side in contact with the skin S. is there.

  If it carries out like this, it can suppress falling to sleep again before the hair H raised by the 1st raising part 400 is cut | disconnected, and it becomes possible to shave the hair H more reliably.

  Further, a groove portion 246 extending from the skin contact surface (outer surface) 241 side to the inner surface 242 side on the side surface (at least the side surface of the portion where the first raised portion 400 is formed in the rail 210) of the connecting beam 240. It is also possible to form.

  By doing so, the body hair H can be easily moved along the groove 246, and the sleeping body hair H can be raised more reliably.

  In addition, the angle formed by the inner surface 242 of the connecting bar 240 and part or all of the side surface 243 of the connecting bar 240 may be 90 ° or more.

  For example, when the angle formed by the inner surface 242 of the connecting bar portion 240 and a part or all of the side surface 243 of the connecting bar portion 240 is an acute angle, the hair H is more in the slit than the sliding surfaces (the inner surface 200b and the outer surface 90a). When the hair is introduced into the blade (inner blade) 90 side, the hair H strikes an acute angle portion of the inner edge (the inner edge 245). Therefore, the introduction of body hair H to the slit inner blade (inner blade) 90 side rather than the sliding surfaces (the inner surface 200b and the outer surface 90a) is hindered by the acute angle portion of the inner surface side edge (inner surface side end 245). May end up.

  On the other hand, if the angle formed by the inner surface 242 of the connecting bar part 240 and a part or all of the side surface 243 of the connecting bar part 240 is 90 ° or more, the body hair H becomes an edge on the inner surface side (the inner surface side). It is suppressed that it abuts against the end 245). Therefore, it is suppressed that the introduction of the hair H to the slit inner blade (inner blade) 90 side than the sliding surfaces (the inner surface 200b and the outer surface 90a) is obstructed by the inner edge (inner surface side end 245). can do. As a result, the body hair H can be more smoothly introduced to the slit inner blade (inner blade) 90 side than the sliding surfaces (the inner surface 200b and the outer surface 90a), and the body hair H can be shaved more efficiently. Become.

  Furthermore, the inner surface side end portion 245 of the connecting bar portion 240 may have an obtuse angle portion 500 having an obtuse angle.

  If it carries out like this, the side surface 243 of the connection crosspiece 240 can be made into the inclined surface which inclines to the skin contact surface (outer surface) 241 side and the outer side (connection slit part 330 side). In this way, if the side surface 243 of the connecting bar 240 is inclined to the skin contact surface (outer surface) 241 side and the outer side (connecting slit portion 330 side), the body hair H is made to slide (the inner surface 200b and the outer surface). 90a), when introduced to the slit inner blade (inner blade) 90 side from the skin contact surface (outer surface) 241 side to the inner surface 242 side (slit inner blade 90 side) along the side surface (inclined surface) 243. Can be slid more smoothly. Moreover, the frictional force generated between the inner surface side end portion 245 and the body hair H can be reduced by making the angle of the inner surface side end portion 245 an obtuse angle. Thus, by making the angle of the inner surface side end portion 245 in the connecting beam portion 240 an obtuse angle, the body hair H is positioned closer to the slit inner blade (inner blade) 90 side than the sliding surface (the inner surface 200b and the outer surface 90a). Can be introduced more smoothly.

  In addition, the edge on the inner surface 242 side of the connecting bar 240 may have a third R portion 510 with rounded corners.

  By the way, the connecting crosspiece 240 extends in a direction crossing the front-rear direction (outer blade width direction: slit length direction) X, and the slit inner blade (inner blade) 90 and the slit outer blade (outer blade) 60. Thus, the clip angle when the hair H is clipped is increased.

  Therefore, the connecting crosspiece 240 is a portion that is liable to cause a cutting failure such as a half cut. Note that half-cut means that the hair H is not completely cut and is half cut.

  Here, if the third R portion 510 with rounded corners is formed on the edge on the inner surface 242 side of the connecting bar 240, it is possible to suppress the hair H from being cut at the connecting bar 240. In this way, when the connecting bar portion 240 that is likely to cause a cutting failure such as a half cut is moved to the first slit portion 310 or the second slit portion 320 without cutting the body hair H, the slit inner blade (inner blade) The hair H can be sandwiched between 90 and the slit outer blade (outer blade) 60.

  In this way, if the third R portion 510 with rounded corners is formed at the edge on the inner surface 242 side of the connecting bar portion 240, it is possible to prevent cutting defects such as half cuts when cutting the hair H. Thus, the hair H can be shaved more reliably.

  It is also possible to form a gap D <b> 1 between the inner surface 242 of the connecting bar portion 240 and the slit inner blade (inner blade) 90.

  In this way, if the gap D1 is provided between the inner surface 242 of the connecting beam portion 240 and the slit inner blade (inner blade) 90, the hair H is formed in the connecting beam portion 240 that is liable to cause a cutting failure such as a half cut. It becomes possible to more reliably suppress the cutting. As a result, it is possible to more reliably suppress the occurrence of cutting defects such as a half cut when cutting the hair H.

  In addition, a slit outer blade (outer blade) 60 is connected to both the top wall 61 facing the skin S and both ends of the top wall 61 in the front-rear direction (outer blade width direction: slit length direction) X, and the slit A side wall 62 extending toward the inner blade 90 (in a direction away from the skin S) can also be provided.

  In addition, the slit 300 can be formed so as to extend from one side wall 62 to the other side wall 62 in the front-rear direction (outer blade width direction: slit length direction) X.

  And it is also possible to form the 2nd raising part 63a in the skin contact surface (outer surface) 211 side in the connection part 63 of the top wall 61 and the side wall 62. FIG.

  By doing so, since the hair H introduced from the side wall 62 side can be raised by the second raised portion 63a, more body hair H is slit than the sliding surfaces (the inner surface 200b and the outer surface 90a). It can be introduced into the inner blade (inner blade) 90 side. As a result, the hair H can be shaved more efficiently.

  The preferred embodiments of the present invention have been described above, but the present invention is not limited to the above embodiments, and various modifications can be made.

  For example, in the above-described embodiment, the electric razor 10 including the grip portion 11 and the head portion 12 has been exemplified, but the present invention can also be applied to an electric razor in which the head portion is not provided.

  It is also possible to cause the slit blade (inner slit blade and outer slit blade) to cooperate with a net blade, a trimmer blade, a beard raising comb, a roller and the like.

  Moreover, in the said embodiment, although what paralleled the three outer blades containing 1 slit outer blade was illustrated, the outer blade should just have at least one slit outer blade, The number may be 1 or 2 or 4 or more.

  Moreover, in the said embodiment, although the multiple types of slit from which planar shape differs is illustrated, the planar shape of a slit can be made not only into this but various shapes. In the above embodiment, a plurality of types of crosspieces having different cross-sectional shapes are illustrated, but the cross-sectional shape of the crosspieces is not limited to this, and can be various shapes.

  The outer blade has a slit having a predetermined planar shape and a crosspiece having a predetermined cross-sectional shape, and the planar shape of the slit and the cross-sectional shape of the crosspiece can be arbitrarily combined. For example, the cross-sectional shape of the connecting bar can be the shape shown in FIG. 19A while the planar shape of the slit is the shape shown in FIG. 7A.

  Also, the outer blade, inner blade, and other detailed specifications (shape, size, layout, etc.) can be changed as appropriate.

  ADVANTAGE OF THE INVENTION According to this invention, the outer razor used with the electric razor which can shave body hair more efficiently, and the said electric razor can be obtained.

DESCRIPTION OF SYMBOLS 10 Electric razor 20 Outer blade 30 Inner blade 60 Slit outer blade 61 Top wall 62 Side wall 63 Connection part 63a 2nd raising part 90 Slit inner blade 210 Crosspiece 211 Skin contact surface (outer surface)
212 Inner surface 213 Side surface 220 First crosspiece 221 Skin contact surface (outer surface)
222 inner surface 223 side surface 230 second crosspiece 231 skin contact surface (outer surface)
232 Inner surface 233 Side surface 240 Connecting bar 241 Skin contact surface (outer surface)
242 Inner surface 243 Side surface 246 Groove portion 250 Second protrusion 300 Slit 302 Curved portion 310 First slit portion 311 Connection portion 320 Second slit portion 321 Connection portion 330 Connection slit portion 400 First raising portion 410 Tip 411 First R portion 420 First Projection 430 Acute angle 510 Third R portion 520 Second R portion D1 Gap W1 Deviation width W2 Width

Claims (16)

An outer blade having a predetermined length and width and in contact with the skin;
An inner blade that is disposed on the opposite side of the outer blade from the side in contact with the skin and is displaced relative to the outer blade;
With
In the outer blade, slits that extend in the outer blade width direction and into which body hair is introduced are formed so as to be arranged in a plurality at predetermined intervals in the outer blade length direction,
The slit is a first slit portion located on one end side in the outer blade width direction and a position shifted in the outer blade length direction with respect to the first slit portion on the other end side in the outer blade width direction. A second slit portion, and a connecting slit portion that connects the first slit portion and the second slit portion, and
The displacement width in the outer blade length direction between the first slit portion and the second slit portion is equal to the width of the first slit portion and / or the second slit portion in the connection portion with the connection slit portion. Or more,
Between the slits adjacent to each other in the outer blade length direction, a crosspiece extending in the outer blade width direction along the slit is formed,
The crosspiece includes a first crosspiece adjacent to the first slit, a second crosspiece adjacent to the second slit, and the first crosspiece and the second crosspiece adjacent to the connection slit. A connecting crosspiece connecting the parts,
The crosspiece has an outer surface in contact with the skin, an inner surface facing the inner blade on the opposite side of the outer surface, and a side surface connecting the outer surface and the inner surface,
A first raised portion that protrudes toward the connection slit portion is formed at an edge on the outer surface side of the connection bar portion,
The edge of the first raised portion has a first R portion with rounded corners,
The electric shaver according to claim 1, wherein a radius of curvature of the first R portion of the first raised portion is 20 μm or more and 60 μm or less. An outer blade having a predetermined length and width and in contact with the skin;
An inner blade that is disposed on the opposite side of the outer blade from the side in contact with the skin and is displaced relative to the outer blade;
With
In the outer blade, slits that extend in the outer blade width direction and into which body hair is introduced are formed so as to be arranged in a plurality at predetermined intervals in the outer blade length direction,
The slit is a first slit portion located on one end side in the outer blade width direction and a position shifted in the outer blade length direction with respect to the first slit portion on the other end side in the outer blade width direction. A second slit portion, and a connecting slit portion that connects the first slit portion and the second slit portion, and
The displacement width in the outer blade length direction between the first slit portion and the second slit portion is equal to the width of the first slit portion and / or the second slit portion in the connection portion with the connection slit portion. Or more,
Between the slits adjacent to each other in the outer blade length direction, a crosspiece extending in the outer blade width direction along the slit is formed,
The crosspiece includes a first crosspiece adjacent to the first slit, a second crosspiece adjacent to the second slit, and the first crosspiece and the second crosspiece adjacent to the connection slit. A connecting crosspiece connecting the parts,
The crosspiece has an outer surface in contact with the skin, an inner surface facing the inner blade on the opposite side of the outer surface, and a side surface connecting the outer surface and the inner surface,
A first raised portion is formed at the outer surface side edge of the connecting bar,
An electric razor characterized in that an edge on the outer surface side of a portion where the first raised portion of the crosspiece is not formed has a second R portion with rounded corners. An outer blade having a predetermined length and width and in contact with the skin;
An inner blade that is disposed on the opposite side of the outer blade from the side in contact with the skin and is displaced relative to the outer blade;
With
In the outer blade, slits that extend in the outer blade width direction and into which body hair is introduced are formed so as to be arranged in a plurality at predetermined intervals in the outer blade length direction,
The slit is a first slit portion located on one end side in the outer blade width direction and a position shifted in the outer blade length direction with respect to the first slit portion on the other end side in the outer blade width direction. A second slit portion, and a connecting slit portion that connects the first slit portion and the second slit portion, and
The displacement width in the outer blade length direction between the first slit portion and the second slit portion is equal to the width of the first slit portion and / or the second slit portion in the connection portion with the connection slit portion. Or more,
Between the slits adjacent to each other in the outer blade length direction, a crosspiece extending in the outer blade width direction along the slit is formed,
The crosspiece includes a first crosspiece adjacent to the first slit, a second crosspiece adjacent to the second slit, and the first crosspiece and the second crosspiece adjacent to the connection slit. A connecting crosspiece connecting the parts,
The crosspiece has an outer surface in contact with the skin, an inner surface facing the inner blade on the opposite side of the outer surface, and a side surface connecting the outer surface and the inner surface,
A first raised portion is formed at the outer surface side edge of the connecting bar,
A second protrusion projecting toward the skin is formed in the vicinity of the boundary between the portion where the first raised portion is formed and the portion where the first raised portion is not formed in the crosspiece. Electric razor featuring. An outer blade having a predetermined length and width and in contact with the skin;
An inner blade that is disposed on the opposite side of the outer blade from the side in contact with the skin and is displaced relative to the outer blade;
With
In the outer blade, slits that extend in the outer blade width direction and into which body hair is introduced are formed so as to be arranged in a plurality at predetermined intervals in the outer blade length direction,
The slit is a first slit portion located on one end side in the outer blade width direction and a position shifted in the outer blade length direction with respect to the first slit portion on the other end side in the outer blade width direction. A second slit portion, and a connecting slit portion that connects the first slit portion and the second slit portion, and
The displacement width in the outer blade length direction between the first slit portion and the second slit portion is equal to the width of the first slit portion and / or the second slit portion in the connection portion with the connection slit portion. Or more,
Between the slits adjacent to each other in the outer blade length direction, a crosspiece extending in the outer blade width direction along the slit is formed,
The crosspiece includes a first crosspiece adjacent to the first slit, a second crosspiece adjacent to the second slit, and the first crosspiece and the second crosspiece adjacent to the connection slit. A connecting crosspiece connecting the parts,
The crosspiece has an outer surface in contact with the skin, an inner surface facing the inner blade on the opposite side of the outer surface, and a side surface connecting the outer surface and the inner surface,
A first raised portion is formed at the outer surface side edge of the connecting bar,
An electric razor characterized in that an outer surface of a portion of the bar where the first raised portion is formed is located closer to the inner blade than an outer surface of a portion where the first raised portion is not formed. An outer blade having a predetermined length and width and in contact with the skin;
An inner blade that is disposed on the opposite side of the outer blade from the side in contact with the skin and is displaced relative to the outer blade;
With
In the outer blade, slits that extend in the outer blade width direction and into which body hair is introduced are formed so as to be arranged in a plurality at predetermined intervals in the outer blade length direction,
The slit is a first slit portion located on one end side in the outer blade width direction and a position shifted in the outer blade length direction with respect to the first slit portion on the other end side in the outer blade width direction. A second slit portion, and a connecting slit portion that connects the first slit portion and the second slit portion, and
The displacement width in the outer blade length direction between the first slit portion and the second slit portion is equal to the width of the first slit portion and / or the second slit portion in the connection portion with the connection slit portion. Or more,
Between the slits adjacent to each other in the outer blade length direction, a crosspiece extending in the outer blade width direction along the slit is formed,
The crosspiece includes a first crosspiece adjacent to the first slit, a second crosspiece adjacent to the second slit, and the first crosspiece and the second crosspiece adjacent to the connection slit. A connecting crosspiece connecting the parts,
The crosspiece has an outer surface in contact with the skin, an inner surface facing the inner blade on the opposite side of the outer surface, and a side surface connecting the outer surface and the inner surface,
A first raised portion is formed at the outer surface side edge of the connecting bar,
The side surface of the connecting rail portion provided with the first raised portion is smoothly connected to the side surface of the first rail portion and the side surface of the second rail portion not provided with the first raised portion. Electric razor to do. An outer blade having a predetermined length and width and in contact with the skin;
An inner blade that is disposed on the opposite side of the outer blade from the side in contact with the skin and is displaced relative to the outer blade;
With
In the outer blade, slits that extend in the outer blade width direction and into which body hair is introduced are formed so as to be arranged in a plurality at predetermined intervals in the outer blade length direction,
The slit is a first slit portion located on one end side in the outer blade width direction and a position shifted in the outer blade length direction with respect to the first slit portion on the other end side in the outer blade width direction. A second slit portion, and a connecting slit portion that connects the first slit portion and the second slit portion, and
The displacement width in the outer blade length direction between the first slit portion and the second slit portion is equal to the width of the first slit portion and / or the second slit portion in the connection portion with the connection slit portion. Or more,
Between the slits adjacent to each other in the outer blade length direction, a crosspiece extending in the outer blade width direction along the slit is formed,
The crosspiece includes a first crosspiece adjacent to the first slit, a second crosspiece adjacent to the second slit, and the first crosspiece and the second crosspiece adjacent to the connection slit. A connecting crosspiece connecting the parts,
The crosspiece has an outer surface in contact with the skin, an inner surface facing the inner blade on the opposite side of the outer surface, and a side surface connecting the outer surface and the inner surface,
A first raised portion is formed at the outer surface side edge of the connecting bar,
An electric shaver characterized in that a groove portion extending from the outer surface side to the inner surface side is formed on a side surface of a portion of the bar where the first raised portion is formed.   The said connection slit part is formed so that the angle made between the said outer blade length direction may be 0 degree or more and 45 degrees or less, The any one of Claims 1-6 characterized by the above-mentioned. Electric razor as described in   The connecting portion between the first slit portion and / or the second slit portion and the connecting slit portion is formed with a curved portion when the outer blade is viewed from the side in contact with the skin. The electric shaver according to any one of claims 1 to 7.   The electric shaver according to any one of claims 1 to 8, wherein the first raised portion has a first protrusion that protrudes toward the connection slit portion.   The first raised portion includes an acute angle portion formed by an acute angle formed by an outer surface of the connection beam portion and a part or all of a side surface of the connection beam portion. The electric shaver according to any one of the above.   The said 1st raising | fluff part is provided in the position which overlaps with the said inner blade in the state which looked at the said outer blade from the side which contact | connects the said skin, In any one of Claims 1-10 characterized by the above-mentioned. The described electric razor.   The electric power according to any one of claims 1 to 11, wherein an angle formed by an inner surface of the connecting beam portion and a part or all of a side surface of the connecting beam portion is 90 ° or more. Razor.   13. The electric shaver according to claim 12, wherein an edge portion on an inner surface side of the connecting bar portion has a third R portion with rounded corners.   The electric shaver according to any one of claims 1 to 13, wherein a gap is provided between an inner surface of the connecting bar and the inner blade. The outer blade includes a top wall that faces the skin, and side walls that are connected to both ends of the top wall in the width direction of the outer blade and extend away from the skin.
The slit is formed so as to extend from one side wall in the outer blade length direction to the other side wall,
The electric shaver according to any one of claims 1 to 14, wherein a second raised portion is formed on the skin side of the connecting portion between the top wall and the side wall.   The outer blade used with the electric razor of any one of Claims 1-15.

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