WO2011118703A1 - 電気かみそり - Google Patents
電気かみそり Download PDFInfo
- Publication number
- WO2011118703A1 WO2011118703A1 PCT/JP2011/057169 JP2011057169W WO2011118703A1 WO 2011118703 A1 WO2011118703 A1 WO 2011118703A1 JP 2011057169 W JP2011057169 W JP 2011057169W WO 2011118703 A1 WO2011118703 A1 WO 2011118703A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- crosspiece
- blade
- skin
- edge
- raised
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
- B26B19/384—Dry-shaver foils; Manufacture thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
- B26B19/143—Details of outer cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
- B26B19/3893—Manufacturing of shavers or clippers or components thereof
Definitions
- the present invention relates to an electric razor.
- the raised portion of the crosspiece is provided with a sharp edge at the tip, and there is a possibility that the raised portion may damage the skin.
- an object of the present invention is to obtain an electric razor capable of improving the introduction performance of the sleeping hair on the outer blade while suppressing the influence on the skin.
- the outer blade having the blade hole defined by the crosspiece
- the inner blade is disposed inward of the outer blade and moved relative to the outer blade, thereby being inserted into the blade hole.
- An electric razor having an inner blade that cuts the cut body hair, and a raised portion is provided on the beam by bending the edge of the edge of the beam so that the inner blade side is rounded and bent.
- the crosspiece provided with the portion is provided on the skin side with respect to the skin side surface of the inner blade.
- the raised edge portion is provided on the crosspiece by bending the edge of the edge of the crosspiece so that the inner blade side is rounded, the influence on the skin can be suppressed.
- the crosspiece provided with the raised portions is provided on the skin side with respect to the skin side surface of the inner blade, it is possible to improve the introduction performance of the sleeping body hair with respect to the outer blade. As described above, according to the present invention, it is possible to improve the performance of introducing sleeping hair into the outer blade while suppressing the influence on the skin.
- FIG. 1 is a front view showing an electric razor according to the first embodiment of the present invention.
- FIG. 2 is a perspective view schematically showing the outer blade cassette according to the first embodiment of the present invention.
- FIG. 3 is a perspective view showing the inner blade according to the first embodiment of the present invention.
- FIG. 4 is an essential part enlarged view schematically showing the outer cutter of the electric razor according to the first embodiment of the present invention.
- FIG. 5 is a cross-sectional view of an essential part schematically showing a usage state of the electric razor according to the first embodiment of the present invention.
- FIGS. 6A and 6B are diagrams showing the process steps of the electric razor bar according to the first embodiment of the present invention, in which FIG. 6A is an enlarged schematic view of the outer blade, and FIG. FIG.
- FIGS. 8A and 8B are diagrams showing a processing step of an electric razor bar according to the second embodiment of the present invention, in which FIG. 8A is an enlarged schematic view of an outer blade, and FIG. FIG. 8A is a sectional view taken along line BB in FIG. 8A, and FIG. 8C is a sectional view taken along line BB in FIG. FIG.
- FIG. 9 is principal part sectional drawing which shows typically the use condition of the electric shaver concerning 3rd Embodiment of this invention. It is a figure which shows the process of the crosspiece of the electric razor concerning 3rd Embodiment of this invention, Comprising: (a) is an enlarged schematic diagram of an outer blade, (b) is C of FIG. 10 (a) before the process of a crosspiece.
- FIG. 10C is a cross-sectional view taken along the line -C
- FIG. 10C is a cross-sectional view taken along the line CC in FIG.
- FIG. 11 is principal part sectional drawing which shows typically the use condition of the electric shaver concerning the 1st modification of 3rd Embodiment of this invention.
- FIG. 11 is principal part sectional drawing which shows typically the use condition of the electric shaver concerning the 1st modification of 3rd Embodiment of this invention.
- FIGS. 14A and 14B are diagrams showing an electric razor bar according to a fourth embodiment of the present invention, in which FIG. 14A is an enlarged schematic view of an outer blade, and FIG. 14B is a cross-sectional view taken along the line DD of FIG. FIG.
- FIG. 15 is principal part sectional drawing which shows typically the use condition of the electric shaver concerning 5th Embodiment of this invention.
- FIG. 16A and 16B are diagrams showing an electric razor bar according to a fifth embodiment of the present invention, in which FIG. 16A is an enlarged schematic view of an outer blade, and FIG. 16B is a cross-sectional view taken along line EE of FIG. FIG. FIG. 17: is principal part sectional drawing which shows typically the use condition of the electric shaver concerning 6th Embodiment of this invention.
- 18A and 18B are views showing an electric razor bar according to a sixth embodiment of the present invention, in which FIG. 18A is an enlarged schematic view of an outer blade, and FIG. 18B is a cross-sectional view taken along line FF in FIG. FIG. FIG.
- FIG. 19 is a diagram schematically illustrating a usage state of an electric razor according to the seventh embodiment of the present invention, in which (a) is a cross-sectional view of a main part schematically illustrating a raised state, and (b) is body hair. It is principal part sectional drawing which shows typically the cutting state of this.
- 20A and 20B are views showing an electric razor bar according to a seventh embodiment of the present invention, in which FIG. 20A is an enlarged schematic view of an outer blade, and FIG. 20B is a cross-sectional view taken along line GG in FIG. FIG. FIG. FIG. 21: is principal part sectional drawing which shows typically the use condition of the electric shaver concerning 8th Embodiment of this invention.
- FIGS. 24A and 24B are views showing an electric razor bar according to an eighth embodiment of the present invention, in which FIG. 22A is an enlarged schematic view of an outer blade, and FIG. 22B is a cross-sectional view taken along line HH in FIG. FIG. FIG. 23: is principal part sectional drawing which shows typically the use condition of the electric shaver concerning 9th Embodiment of this invention.
- FIGS. 24A and 24B are diagrams showing a machining process of an electric razor bar according to the ninth embodiment of the present invention, in which FIG. 24A is an enlarged schematic view of an outer blade, and FIG. FIG. 24A is a cross-sectional view taken along the line II of FIG. 24A, and FIG. 24C is a cross-sectional view taken along the line II of FIG.
- FIG. 25 is a cross-sectional view of a principal part schematically showing the usage state of the electric razor according to the tenth embodiment of the present invention.
- FIGS. 26A and 26B are diagrams showing a processing step of an electric razor bar according to the tenth embodiment of the present invention, in which FIG. 26A is an enlarged schematic view of an outer blade, and FIG. FIG. 26A is a sectional view taken along line JJ in FIG. 26A, and FIG. 26C is a sectional view taken along line JJ in FIG. FIG.
- FIGS. 28A and 28B are diagrams showing a machining process for an electric razor bar according to an eleventh embodiment of the present invention, in which FIG. 28A is an enlarged schematic view of an outer blade, and FIG. FIG. 28A is a sectional view taken along the line KK in FIG. 28A, and FIG. 28C is a sectional view taken along the line KK in FIG. FIGS.
- FIGS. 31A and 31B are diagrams showing a processing step of an electric razor bar according to a modification of the eleventh embodiment of the present invention, in which FIG. 29A is an enlarged schematic view of an outer blade, and FIG. FIG. 29A is a cross-sectional view taken along line LL in FIG. 29A, and FIG. 29C is a cross-sectional view taken along line LL in FIG. FIG. 30 is a cross-sectional view of relevant parts schematically showing the usage state of the electric razor according to the twelfth embodiment of the present invention.
- FIGS. 31A and 31B are diagrams showing a processing step of an electric razor bar according to a twelfth embodiment of the present invention, in which FIG. 31A is an enlarged schematic view of an outer blade, and FIG.
- FIG. 31A is a cross-sectional view taken along line MM in FIG. 31A
- FIG. 31C is a cross-sectional view taken along line MM in FIG.
- FIG. 32 is principal part sectional drawing which shows typically the use condition of the electric shaver concerning 13th Embodiment of this invention.
- FIG. 33 is a view showing a comparative example of the thirteenth embodiment of the present invention, and is a cross-sectional view of an essential part schematically showing a use state of an electric razor in which a crosspiece and an inner blade are in contact with each other.
- FIG. 34 is a cross-sectional view of a principal part schematically showing the use state of the electric razor according to the fourteenth embodiment of the present invention.
- FIG. 33 is a view showing a comparative example of the thirteenth embodiment of the present invention, and is a cross-sectional view of an essential part schematically showing a use state of an electric razor in which a crosspiece and an inner blade are in contact with each other.
- FIG. 35 is an enlarged view of an essential part schematically showing the outer cutter of the electric razor according to the fifteenth embodiment of the present invention.
- 36A and 36B are views showing an outer blade of an electric razor according to a sixteenth embodiment of the present invention, wherein FIG. 36A is an enlarged view of a main part when the blade hole is hexagonal, and FIG. 36B is a blade hole. It is a principal part enlarged view in the case of slit shape.
- the electric razor 1 As shown in FIG. 1, the electric razor 1 according to the present embodiment includes a grip portion 2 that is gripped by a hand and a head portion 5 that is fixed to the grip portion 2.
- the grip part 2 includes a synthetic resin grip body 3 in which a battery (not shown) is incorporated, and a synthetic resin grip connection part 4 protruding rearward from the upper surface of the grip body 3. At least one of a known left / right swing mechanism and a known front / rear swing mechanism is provided on the upper surface of the grip connection portion 4, and the head portion 5 swings in the left / right direction and the front / rear direction to the grip portion 2. It may be attached as possible.
- the head unit 5 includes a linear motor (not shown), and includes a linear head unit 6 connected to the grip connection unit 4 and a blade unit 7 attached to the linear head unit 6.
- the grip body 3 is formed with a switch portion 90 that turns on and off the driving of the linear motor.
- the blade unit 7 includes an outer blade 8 exposed upward from the head portion 5, and an inner blade that is disposed on the inner side of the outer blade 8 (below the outer blade 8) and moves relative to the outer blade 8.
- a blade 13 is disposed on the inner side of the outer blade 8 (below the outer blade 8) and moves relative to the outer blade 8.
- the first net blade 9, the finishing net blade 10, the slit blade 11, and the second net blade 12 are arranged in parallel in the front-rear direction X. Yes.
- the net blades 9, 10, and 12 are all along the front-rear direction (short 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). And curved in an inverted U shape. Furthermore, the net blades 9, 10, and 12 are formed to be slightly curved along the left-right direction (longitudinal 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). Yes. In the present embodiment, the net blades 9, 10, and 12 are curved so that the upper side is convex in a front view, but it is not always necessary to bend.
- the blade width of the finishing net blade 10 (the width in the front-rear direction X) is the same as the blade width of the first and second net blades 9, 12 (in the front-rear direction X). Width).
- the width of the finishing net blade 10 is smaller than that of the other net blades 9 and 12, that is, the skin pressed against the surface by providing a small radius of curvature of the finishing net blade 10. 37 is protruded largely inward from the blade hole 31 so that the hair 39 (see FIG. 5) can be shaved shortly.
- the slit blade 11 is formed in a U-shaped curve along the front-rear direction (short direction) X, and is formed by drilling a large number of slits (blade holes) from the flat upper wall to the side wall. Yes.
- the slit blade 11 has a large number of slits (blade holes) extending along the longitudinal direction (left-right direction) Y at the lower part of the side wall and the substantially U-shaped bar extending from the flat upper wall to the side wall. It is defined by.
- the net blades 9, 10, 12 and the slit blade 11 constituting the outer blade 8 are attached to dedicated outer blade frames 19, 20, 22, and 21, respectively.
- a skin guard member 20a is formed on the outer blade frame 20 on the first net blade 9 side, and the radius of curvature is determined by the slit blade 11 and the skin guard member 20a sandwiching the finishing net blade 10 back and forth.
- the skin 37 is effectively prevented from being strongly pressed against the small finishing net blade 10.
- the outer blade frame 19 to which the first net blade 9 is attached, the outer blade frame 20 to which the finishing net blade 10 is attached, the outer blade frame 21 to which the slit blade 11 is attached, and the second net blade 12 are provided.
- the outer blade cassette 30 is formed by engaging the attached outer blade frame 22 with the outer blade frame 18.
- the outer blade cassette 30 is attached to the linear head unit 6.
- the inner blade 13 is provided exclusively for the net blades 9, 10, 12 and the slit blade 11 constituting the outer blade 8. Specifically, inverted U-shaped inner blades 14, 15, 17 are arranged below (inward) the respective net blades 9, 10, 12 along the curvature of the corresponding net blades 9, 10, 12. (See FIG. 3). A U-shaped slit inner blade (not shown) that follows the curvature of the slit blade 11 is disposed below (inward) the slit blade 11.
- the inner blades 14, 15, 17 and the slit inner blades are attached to the above-described linear motor (not shown). When the linear motor is driven, the inner blades 14, 15, 17 and the slits are slit. Inner blades (not shown) reciprocate in the left-right direction (longitudinal direction) Y, respectively.
- the inner blades 14, 15, 17 and the slit inner blade (not shown) disposed below (inward) the respective net blades 9, 10, 12 and the slit blade 11 are connected to the respective net blades 9,
- the body hairs inserted into the blade holes 31 of the net blades 9, 10, 12 and the slits of the slit blade 11 by moving relative to the blades 10, 12 and the slit blade 11 (reciprocating in the left-right direction Y). 39 is configured to be cut in cooperation with the net blades 9, 10, 12 and the slit blade 11, the inner blades 14, 15, 17 and the slit inner blade (not shown).
- the crosspiece 33 is provided with a raised portion 35 having a raising action for raising the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently.
- the raised portion 35 is provided on the crosspiece 33 by bending the peripheral edge of the blade hole 31 of the crosspiece 33 so as to be rounded and bent on the inner blade 13 side over the entire circumference (see FIG. 4). .
- a portion where the raised portion 35 of the crosspiece 33 is provided is indicated by a thick line.
- the raised portion 35 is provided at the peripheral edge of the plurality of blade holes 31. 35 may be provided.
- the raised portion 35 is provided at a portion where the contact pressure with the skin 37 of the outer blade 8 is low, and the raised portion 35 is not provided at a portion where the contact pressure with the skin 37 of the outer blade 8 is high.
- the influence (damage) exerted on the skin 37 by a portion having a high contact pressure with the skin 37 can be suppressed.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the crosspieces 33 defining the blade hole 31 of the outer blade 8 have an extremely thin flat plate shape as shown in FIG. ing.
- both end portions (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S are bent at a substantially right angle with respect to the central portion 33C to form the side wall portion 33K.
- the raised portion 35 having a raising action for raising the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently is formed on the crosspiece 33.
- the raised portion 35 is bent so as to be rounded, and the crosspiece 33 provided with the raised portion 35 is positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- the cross-sectional shape of the crosspiece 33 is substantially U-shaped with an edge 33E having a roundness 33R on the skin 37 side.
- the edge 33E of the crosspiece 33 is a raised portion 35 having a raising action for raising the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently.
- both ends of the crosspiece 33 (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S are bent toward the inner blade 13 at a substantially right angle with respect to the central portion 33C.
- 33 is provided with a raised portion 35 having a roundness 33R.
- the influence with respect to the skin 37 can be suppressed by providing the raising part 35 with the roundness 33R.
- the crosspiece 33 provided with the raised portions 35 so as to be located on the skin 37 side with respect to the skin 37 side surface 50 of the inner blade 13, the raised portions 35 can be brought closer to the skin 37 side, The body hair 39 can be raised more efficiently.
- the raising part 35 which can raise hair efficiently is provided by the simple operation
- a high-quality electric shaver 1 can be provided.
- the edge 33E as the raising part 35 is formed in the crosspiece 33 by bending the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) toward the inner blade 13 over the entire circumference. Is provided. Therefore, even when the electric razor 1 is moved in any direction along the skin surface 37a, the body hair 39 can be raised more efficiently, and the shaving efficiency of the body hair 39 can be further increased.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 is an approximately bent end portion (the peripheral edge of the blade hole 31 of the crosspiece 33) 33S bent to the inner cutter 13 side and inside. It is C-shaped. Further, on the skin 37 side of the crosspiece 33, an edge 33E as a raised portion 35 having a raising action that raises hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently has a roundness 33R. It is provided as follows.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is bent and rounded on the inner blade 13 side over the entire circumference, thereby raising the raised piece on the crosspiece 33.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the crosspieces 33 that define the blade hole 31 of the outer blade 8 are arranged on the peripheral edge of the blade hole 31 of the crosspiece 33 as shown in FIG.
- the inner blade 13 side opposite to the skin 37
- a load F is applied to both end portions (edge portions 31 peripheral edge portions of the crosspiece 33) 33S formed with the edge 33E from the skin 37 side to generate a rotational force M, as shown in FIG.
- both end portions (peripheral edge portions of the blade hole 31 of the crosspiece 33) 33S are bent inwardly on the inner blade 13 side.
- the cross-sectional shape of the crosspiece 33 is substantially C-shaped with the edge 33E formed on the skin 37 side.
- the edge 33E of the crosspiece 33 is a raised portion 35 having a raised action that raises the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently.
- both end portions (peripheral edge portions of the blade holes 31 of the crosspiece 33) 33S before the crosspiece 33 are tapered, so that both end portions (peripheral edge portions of the blade hole 31 of the crosspiece 33) 33S are formed.
- the cross-sectional shape of the crosspiece 33 of the outer blade 8 has a substantially inverted trapezoidal shape in which both end portions (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S are tapered. Further, on the skin 37 side of the crosspiece 33, an edge 33E as a raised portion 35 having a raising action that raises hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently has a roundness 33R. It is provided as follows.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is bent and rounded on the inner blade 13 side over the entire circumference, thereby raising the raised piece on the crosspiece 33.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the crosspieces 33 defining the blade hole 31 of the outer blade 8 are substantially U-shaped having side walls 33K at both ends as shown in FIG. It has a shape.
- a load F is applied to both side walls 33K from both sides to generate a rotational force M, and the side walls 33K are brought into contact with the side surfaces of the inner blade 13 of the central portion 33C as shown in FIG. 8C. Bend until.
- the cross-sectional shape of the crosspiece 33 is a reverse taper shape in which an acute edge 33E is formed on the skin 37 side.
- the cross-sectional shape of the crosspiece 33 is a reverse taper shape in which an edge 33E is formed on the skin 37 side.
- the edge 33E as the raised portion 35 is likely to enter between the sleeping body hair 39 and the skin surface 37a, and therefore the body hair (sleeping hair) 39 having a small angle with the skin surface 37a by the edge 33E. Can occur more efficiently.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 according to this modification is such that both end portions (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S are rounded and tapered.
- the skin 37 side has a substantially crescent shape that is concave on the inner blade 13 side.
- the bar 33 is provided with an edge 33E as a raised portion 35 having a raising action that raises the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently. ing.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is bent and rounded on the inner blade 13 side over the entire circumference, thereby raising the raised piece on the crosspiece 33.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- the raised portion 35 is obtained by bending the reverse tapered bar 33 shown in FIG. 10C so that the upper surface (surface on the skin 37 side) of the central portion 33C is concave toward the inner blade 13 side. Can do.
- edge 33E protrudes to the skin 37 side rather than the center part 33C, the edge 33E can be bitten by the skin 37, and the shaving efficiency of the body hair 39 can be further increased. .
- both end portions of the plate-like crosspiece 33 (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S are bent toward the inner blade 13 side, the contact surface with the skin 37 is not flat, It is possible to suppress the skin 37 from sliding on the contact surface. As a result, the edge 33E as the raised portion 35 can be brought into close contact with the skin 37, and the sleeping body hair 39 can be raised more efficiently.
- the crosspiece 33 of the outer cutter 8 has a shape in which the upper surface (surface on the skin 37 side) of the central portion 33C is gently curved so as to be convex toward the skin 37 side. ing.
- the bar 33 is provided with an edge 33E as a raised portion 35 having a raising action that raises the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently. ing.
- the peripheral edge of the blade hole 31 (the end portion 33S of the crosspiece 33) of the crosspiece 33 is rounded and bent on the inner blade 13 side over the entire circumference, so that the raised crosspiece 33 is raised.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- the raised portion 35 can be obtained by curving the inversely tapered bar 33 shown in FIG. 10C so that the upper surface (surface on the skin 37 side) of the central portion 33C is convex toward the skin 37 side. it can.
- the cross-sectional shape of the crosspiece 33 on the skin 37 side is gently curved, the influence (damage) exerted on the skin 37 by the crosspiece 33 can be suppressed.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 is on the side of the substantially inverted trapezoidal inner cutter 13 where both ends (the peripheral edge of the blade hole 31 of the crosspiece 33) 33S are tapered.
- the protrusion 33J has a protruding shape.
- an edge 33E as a raised portion 35 having a raising action that raises hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently has a roundness 33R. It is provided as follows.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is bent and rounded on the inner blade 13 side over the entire circumference, thereby raising the raised piece on the crosspiece 33.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the cross-sectional shape of the crosspiece 33 is made into the reverse taper shape shown in FIG.10 (c).
- both ends (the peripheral edge portion of the blade hole 31 of the bar 33) 33S are tapered. It forms so that it may become the cross section which the protrusion 33J protruded to the inner blade 13 side of an inverted trapezoid shape.
- the cross-sectional area of the crosspiece 33 becomes large and the intensity
- the crosspiece 33 of the outer cutter 8 has the edge 33E of the crosspiece 33 having a substantially inverted trapezoidal shape in which both end portions (the peripheral edge portion of the blade hole 31 of the crosspiece 33) are tapered. It has a shape extended to the hole 31 side (moving direction of the outer cutter 8).
- the edge 33E is provided so as to have a roundness 33R on the skin 37 side of the crosspiece 33, and has a raising action for more efficiently raising body hair (sleeping hair) 39 having a small angle with the skin surface 37a. It functions as the raised portion 35.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is bent and rounded on the inner blade 13 side over the entire circumference, thereby raising the raised piece on the crosspiece 33.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the cross-sectional shape of the crosspiece 33 is made into the reverse taper shape shown in FIG.10 (c). Then, by pressing both end portions of the reverse tapered bar 33 toward the skin 37 side from the inner blade 13 side, the edge 33E of the bar 33 is moved to the blade hole 31 side as shown in FIG. Stretch.
- the edge 33E of the crosspiece 33 by extending the edge 33E of the crosspiece 33 toward the blade hole 31 side, it becomes easy to scoop up the body hair 39 sleeping on the raised portion 35, so that the hair raising effect can be further enhanced. As a result, the shaving efficiency of the body hair 39 can be further increased.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 according to this embodiment is substantially T-shaped as shown in FIG.
- the bar 33 is provided with an edge 33E as a raised portion 35 having a raising action that raises the hair (sleeping hair) 39 having a small angle with the skin surface 37a so as to have a roundness 33R. Yes.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is rounded on the inner blade 13 side over the entire circumference and bent, whereby the crosspiece 33 is raised.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the cross-sectional shape of the crosspiece 33 that defines the blade hole 31 of the outer blade 8 is substantially U-shaped with the side walls 33K at both ends.
- the cross-sectional area of the crosspiece 33 becomes large and the intensity
- the substantially T-shaped crosspiece 33 is provided by processing the side wall 33K of the crosspiece U-shaped crosspiece 33, it is possible to provide a product that is easy to process and cheaper. Can do.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 according to the present embodiment is substantially ⁇ -shaped as shown in FIG. Further, at both ends of the crosspiece 33 (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S, a raised portion having a raising action for raising the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently.
- An edge 33E as 35 is provided to have a roundness 33R.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is bent and rounded on the inner blade 13 side over the entire circumference, thereby raising the raised piece on the crosspiece 33.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the cross-sectional shape of the crosspiece 33 that defines the blade hole 31 of the outer blade 8 is substantially U-shaped with the side walls 33K at both ends.
- the crosspiece 33 is formed in a substantially ⁇ -shaped cross-sectional shape.
- the blade portion 33P having an acute angle is formed at both end portions on the inner blade 13 side, and thus the body hair 39 caused by the raised portion 35 is formed. Can be cut by the blade 33P and the inner blade 13 (see FIG. 19B).
- the arrow b is the moving direction of the inner blade 13.
- the single crosspiece 33 can have both the hair raising function and the cutting function.
- the raising part 35 and the blade part 33P are provided by processing the side wall 33K of the crosspiece 33 having a U-shaped cross section, it is possible to provide a product that is easy to process and cheaper. Can do.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 according to this embodiment is such that only one end of the crosspiece 33 (the peripheral edge of the blade hole 31 of the crosspiece 33) 33S is tapered. Yes. Then, one end of the crosspiece 33 (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S has a raising action that raises the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently.
- An inverted tapered edge 33E which is the raised portion 35, is provided to have a roundness 33R.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is bent and rounded on the inner blade 13 side over the entire circumference, thereby raising the raised piece on the crosspiece 33.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the cross-sectional shape of the crosspiece 33 defining the blade hole 31 of the outer blade 8 is such that the upper surface (surface on the skin 37 side) of the center portion is on the skin 37 side. While curving gently so as to be convex, both ends (the peripheral edge of the blade hole 31 of the crosspiece 33) have a substantially inverted U shape projecting toward the inner blade 13 side (the side opposite to the skin 37). .
- the cross-sectional shape of the crosspiece 33 is inverted taper with the one-side edge 33E having a roundness 33R. It is trying to become a shape.
- the cross-sectional shape of the crosspiece 33 is a reverse taper shape in which an edge 33E is formed on the skin 37 side.
- the edge 33E as the raised portion 35 is likely to enter between the sleeping body hair 39 and the skin surface 37a, and therefore the body hair (sleeping hair) 39 having a small angle with the skin surface 37a by the edge 33E. Can occur more efficiently.
- the cross-sectional shape of the crosspiece 33 on the skin 37 side is gently curved, the influence (damage) exerted on the skin 37 by the crosspiece 33 can be suppressed.
- the inversely tapered raised portion 35 is provided only at one end portion (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S of the crosspiece 33, the advantage that the processing becomes inexpensive is obtained. There is.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 has a cross-sectional inverted trapezoidal shape in which the skin 37 side (upper side in FIG. 24) is a long side, and both end portions ( The edge 33E of the blade hole 31 of the crosspiece 33) 33S has a rounded shape 33R.
- the bar 33 is provided with an edge 33E as a raised portion 35 having a raising action that raises the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently. ing.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is rounded on the inner blade 13 side over the entire circumference and bent, whereby the crosspiece 33 is raised.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the cross-sectional shape of the crosspiece 33 defining the blade hole 31 of the outer blade 8 is the skin 37 side (FIG. 24) as shown in FIG. It has a cross-section inverted trapezoidal shape with the middle upper side being the long side.
- a load F is applied from both the skin 37 side to the tapered end portions (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S so as to generate a rotational force M.
- FIG. 33 is formed in a cross-sectional shape in which the edge 33E has a roundness 33R.
- the raised portion 35 is provided by processing the cross-shaped inverted trapezoidal crosspiece 33, so that the crosspiece 33 has a cross-section in which the edge 33E has a roundness 33R only by processing the edge 33E. It can be formed into a shape. Therefore, according to the present embodiment, the amount of bending can be small, so that a product that is easy to process and inexpensive can be provided.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 is the skin 37 of both ends (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S of the crosspiece 33 formed in a parallelogram shape.
- An edge 33E of one end (a peripheral edge of the blade hole 31 of the crosspiece 33) 33S having an acute angle on the side has a shape having a roundness 33R.
- one end of the crosspiece 33 (the peripheral edge of the blade hole 31 of the crosspiece 33) 33S has a raising action that more efficiently raises the hair (sleeping hair) 39 having a small angle with the skin surface 37a.
- An edge 33E as the raised portion 35 is provided to have a roundness 33R.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is rounded on the inner blade 13 side over the entire circumference and bent, whereby the crosspiece 33 is raised.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the cross-sectional shape of the crosspiece 33 defining the blade hole 31 of the outer blade 8 is a parallelogram as shown in FIG. Yes.
- a rotational force M is generated by applying a load F from the skin 37 side to one end (the peripheral edge of the blade hole 31 of the crosspiece 33) 33S having an acute angle on the skin 37 side, as shown in FIG.
- the crosspiece 33 is formed in a cross-sectional shape in which the edge 33E has a roundness 33R.
- the raised portion 35 is provided by processing the crosspieces 33 having a parallelogram shape in cross section. Therefore, the crosspiece 33 is formed by processing only the edge 33E on one side, and the edge 33E has a roundness 33R. It can be formed in a cross-sectional shape. Therefore, according to the present embodiment, the amount of bending can be small, so that a product that is easy to process and inexpensive can be provided.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 according to the present embodiment is formed in a substantially cross-sectional shape in which the side 33M on the skin 37 side is longer than the other side 33N.
- edges 33E having roundness 33R are formed at both end portions (peripheral edge portions of the blade hole 31 of the crosspiece 33) 33S of the long side 33M on the skin 37 side. That is, at both ends of the crosspiece 33 (periphery of the blade hole 31 of the crosspiece 33) 33S, a raised portion having a raising action that more efficiently raises the hair (sleeping hair) 39 having a small angle with the skin surface 37a.
- An edge 33E as 35 is provided to have a roundness 33R.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is rounded on the inner blade 13 side over the entire circumference and bent, whereby the crosspiece 33 is raised.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the cross-sectional shape of the crosspiece 33 defining the blade hole 31 of the outer blade 8 is the side 33M on the skin 37 side as shown in FIG. Is formed to have a substantially cross-sectional shape that is longer than the other side 33N.
- a load F is applied from the skin 37 side to the tapered end portions (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S from the skin 37 side to generate a rotational force M.
- FIG. 33 is formed in a cross-sectional shape in which the edge 33E has a roundness 33R.
- the blade portions 33P having acute angles are formed at both end portions of the other side 33N. It can be cut by the portion 33P and the inner blade 13 (see FIG. 27B).
- the arrow b is the moving direction of the inner blade 13.
- the single crosspiece 33 can have both the hair raising function and the cutting function.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 according to this modification is as shown in FIG. 29C.
- the side 33M on the skin 37 side is longer than the other side 33N.
- the section has a cross-sectional shape in which a protrusion 33T is further provided.
- a raised portion having a raising action for raising the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently.
- An edge 33E as 35 is provided to have a roundness 33R.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is bent and rounded on the side of the inner blade 13 over the entire circumference, so that the raised piece 33 is raised.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the cross-sectional shape of the crosspiece 33 that defines the blade hole 31 of the outer blade 8 is as shown in FIG. 29 (b).
- the projection 33T is further provided at the center.
- a load F is applied from both sides of the skin 37 side to the tapered end portions (periphery of the blade hole 31 of the crosspiece 33) 33S so that a rotational force M is generated.
- FIG. 33 is formed in a cross-sectional shape in which the edge 33E has a roundness 33R.
- the cross-sectional shape of the crosspiece 33 of the outer cutter 8 has a substantially bowl-like shape that draws a gentle arc on the skin 37 side, and both ends ( Part) 33S has a shape bent to the inner blade 13 side and inside.
- the bar 33 is provided with an edge 33E as a raised portion 35 having a raising action that raises the hair (sleeping hair) 39 having a small angle with the skin surface 37a more efficiently. ing.
- the peripheral edge of the blade hole 31 of the crosspiece 33 (the end portion 33S of the crosspiece 33) is bent and rounded on the inner blade 13 side over the entire circumference, thereby raising the raised piece on the crosspiece 33.
- a portion 35 is provided.
- the crosspiece 33 provided with the raised portions 35 is formed so as to be positioned closer to the skin 37 than the skin 37 side surface 50 (see FIG. 32) of the inner blade 13.
- an outer blade 8 in which a large number of elliptical blade holes 31 are defined by a crosspiece 33 is formed.
- the cross-sectional shape of the crosspiece 33 that defines the blade hole 31 of the outer blade 8 is a circular arc that has a gentle skin 37 side as shown in FIG. It has a roughly bowl-like shape.
- the load F is applied to both ends (the peripheral edge of the blade hole 31 of the crosspiece 33) 33S from the skin 37 side to generate a rotational force M, and the crosspiece 33 is attached to the skin as shown in FIG.
- the side 37 has a substantially bowl-like shape that draws a gentle arc, and both end portions (the peripheral edge portion of the blade hole 31 of the crosspiece 33) 33S are formed in a cross-sectional shape that is bent inwardly on the inner blade 13 side.
- the protrusion 33J for reinforcement is provided in the surface at the side of the inner blade 13 of the crosspiece 33, this protrusion 33J does not need to be provided.
- a gap S is provided between the crosspiece 33 provided with the raised portions 35 and the skin 37 side surface 50 of the inner blade 13. That is, the crosspiece 33 provided with the raised portions 35 is separated from the inner blade 13 and brought closer to the skin 37.
- the crosspiece 33 shown in FIG. 33 is in contact with the inner blade 13 arranged inside.
- the crosspiece 33 and the inner blade 13 interfere with each other, and the temperature rises due to friction.
- the crosspiece 33 obtained in the third embodiment is illustrated, but the present embodiment can be applied even to a crosspiece of another embodiment.
- the crosspiece 33 according to the present embodiment is inclined so as to have an angle ⁇ with respect to the skin 37 side surface 50 of the inner blade 13.
- the crosspiece 33 is inclined with respect to the skin 37 side surface 50 of the inner blade 13 (the surface including the skin 37 side surface 50 of the inner blade 13), as in the thirteenth embodiment. Interference with the inner blade 13 is suppressed, and temperature rise due to friction can be reduced. Furthermore, according to this embodiment, since the edge 33E (raised part 35) of the crosspiece 33 becomes easy to follow along the skin surface 37a, the raising effect can be further improved.
- the crosspiece 33 obtained in the third embodiment has been exemplified, but the present embodiment can be applied even to a crosspiece of another embodiment.
- the edge 33E of the raised portion 35 is partially provided on the peripheral edge of the blade hole 31.
- a pair of edges 33E of the raised portions 35 are provided at opposing portions that are perpendicular to the inner blade movement direction on the inner periphery of the blade hole 31, and the raised portions 35 are The part other than the provided part is provided with an edge having another function, for example, a function of deep shaving the body hair 39.
- the edge 33E of the raising part 35 is partially provided around the blade hole 31, in addition to the hair raising function, the shave function is provided in one blade hole 31.
- Other functions such as these can be combined, and further efficiency of shaving can be achieved.
- the blade hole 31 of the outer blade 8 is formed in a polygonal shape.
- FIG. 36A shows a case where the blade hole 31 is formed in a hexagonal shape
- FIG. 36B shows a case where the blade hole 31 is formed in a slit shape (elongated rectangular shape). Show. And the edge 33E of the raising part 35 is formed in the inner peripheral edge part of these hexagonal-shaped blade hole 31 and the rectangular-shaped blade hole 31, respectively.
- the blade hole 31 is not limited to a hexagonal shape or a rectangular shape, but can be formed in other polygonal shapes.
- the raised portions 35 are provided on the peripheral edge portion of the polygonal hole 31, positioning of the crosspiece 33 having a raising effect is facilitated. As a result, a high quality outer cutter 8 can be provided.
- outer blades are illustrated in parallel, but the number of outer blades may be 1 to 3, or 5 or more.
- the head portion fixed to the grip portion is exemplified by the outer blade provided, but the outer blade may be provided in the grip portion.
- the reciprocating electric razor is exemplified, but the present invention can also be applied to a rotating electric razor.
- outer blade, inner blade, and other detailed specifications can be changed as appropriate.
- an electric razor capable of improving the introduction performance of the sleeping hair on the outer blade while suppressing the influence on the skin.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Dry Shavers And Clippers (AREA)
Abstract
Description
本実施形態にかかる電気かみそり1は、図1に示すように、手で把持するグリップ部2と、グリップ部2に固定されたヘッド部5と、を備えている。
本実施形態にかかる外刃8の桟33の断面形状は、図7に示すように、先細りの両端部(桟33の刃穴31周縁部)33Sを内刃13側かつ内側に屈曲させた略C字状をしている。そして、桟33の肌37側には、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35としてのエッジ33Eが丸み33Rを持つように設けられている。
本実施形態にかかる外刃8の桟33の断面形状は、図9に示すように、両端部(桟33の刃穴31周縁部)33Sが先細りとなる略逆台形状をしている。そして、桟33の肌37側には、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35としてのエッジ33Eが丸み33Rを持つように設けられている。
本変形例にかかる外刃8の桟33の断面形状は、図11に示すように、両端部(桟33の刃穴31周縁部)33Sが丸みを持った先細りとなるとともに、中央部33Cの肌37側が、内刃13側に凹となる略三日月状をしている。
本変形例にかかる外刃8の桟33は、図12に示すように、中央部33Cの上面(肌37側の面)を肌37側に凸となるようになだらかに湾曲させた形状をしている。そして、桟33には、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35としてのエッジ33Eが丸み33Rを持つように設けられている。
本実施形態にかかる外刃8の桟33の断面形状は、図13に示すように、両端部(桟33の刃穴31周縁部)33Sが先細りとなる略逆台形状の内刃13側に突部33Jが突出した形状をしている。そして、桟33の肌37側には、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35としてのエッジ33Eが丸み33Rを持つように設けられている。
本実施形態では、外刃8の桟33は、図15に示すように、両端部(桟33の刃穴31周縁部)33Sが先細りとなる略逆台形状とした桟33のエッジ33Eを刃穴31側(外刃8の移動方向)に延伸させた形状をしている。このエッジ33Eは、桟33の肌37側に丸み33Rを持つように設けられており、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35として機能している。
本実施形態にかかる外刃8の桟33の断面形状は、図17に示すように、略T字状をしている。この桟33には、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35としてのエッジ33Eが丸み33Rを持つように設けられている。
本実施形態にかかる外刃8の桟33の断面形状は、図19に示すように、略π字状をしている。そして、桟33の両端部(桟33の刃穴31周縁部)33Sには、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35としてのエッジ33Eが丸み33Rを持つように設けられている。
本実施形態にかかる外刃8の桟33の断面形状は、図21に示すように、桟33の片側の端部(桟33の刃穴31周縁部)33Sのみを先細りとした形状をしている。そして、桟33の片側の端部(桟33の刃穴31周縁部)33Sには、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35である、逆テーパ状のエッジ33Eが丸み33Rを持つように設けられている。
本実施形態にかかる外刃8の桟33の断面形状は、図23に示すように、肌37側(図24中上側)が長辺となる断面逆台形状をしているとともに、両端部(桟33の刃穴31周縁部)33Sのエッジ33Eが丸み33Rを持った形状をしている。すなわち、桟33には、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35としてのエッジ33Eが丸み33Rを持つように設けられている。
本実施形態にかかる外刃8の桟33の断面形状は、図25に示すように、平行四辺形状に形成した桟33の両端部(桟33の刃穴31周縁部)33Sのうち、肌37側が鋭角となる片側の端部(桟33の刃穴31周縁部)33Sのエッジ33Eが丸み33Rを持った形状をしている。すなわち、桟33の片側の端部(桟33の刃穴31周縁部)33Sには、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35としてのエッジ33Eが丸み33Rを持つように設けられている。
本実施形態にかかる外刃8の桟33の断面形状は、図27に示すように、肌37側の辺33Mが他辺33Nに比べて長くなった断面略おちょこ状に形成されている。具体的には、桟33は、肌37側の長い辺33Mの両端部(桟33の刃穴31周縁部)33Sに丸み33Rを持ったエッジ33Eが形成されている。すなわち、桟33の両端部(桟33の刃穴31周縁部)33Sには、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35としてのエッジ33Eが丸み33Rを持つように設けられている。
本実施形態にかかる外刃8の桟33の断面形状は、図30に示すように、肌37側がなだらかな円弧を描く略蒲鉾状をしているとともに、両端部(桟33の刃穴31周縁部)33Sが内刃13側かつ内側に屈曲した形状をしている。そして、桟33には、肌面37aとのなす角度が小さい体毛(寝ている体毛)39をより効率的に起こす起毛作用を有する起毛部35としてのエッジ33Eが丸み33Rを持つように設けられている。
次に、本実施形態にかかる桟33(図32参照)について、図33に示す桟33と比較しながら説明する。なお、本実施形態では、上記第3実施形態で得られる桟33を例示して説明する。
本実施形態にかかる桟33は、図34に示すように、内刃13の肌37側表面50に対して角度θとなるように傾斜させている。
本実施形態では、起毛部35のエッジ33Eを、刃穴31周縁部に部分的に設けている。
本実施形態では、外刃8の刃穴31を、多角形状に形成している。
Claims (8)
- 桟によって画成された刃穴を有する外刃と、当該外刃の内方に配設されて前記外刃に対して相対移動することで、前記刃穴に挿入された体毛を切断する内刃と、を備える電気かみそりであって、
前記桟の刃穴周縁部を前記内刃側に丸みを持たせて屈曲させることで当該桟に起毛部を設けるとともに、当該起毛部が設けられた桟を前記内刃の肌側表面よりも肌側に設けたことを特徴とする電気かみそり。 - 前記桟の断面形状が、当該桟のエッジの角度が鋭角となる逆テーパ状をしていることを特徴とする請求項1に記載の電気かみそり。
- 前記桟のエッジが、桟の中央部よりも肌側に位置していることを特徴とする請求項2に記載の電気かみそり。
- 前記桟には、内刃側に向けて延在する突部が設けられていることを特徴とする請求項3に記載の電気かみそり。
- 前記桟に形成されたエッジが前記刃穴側に延伸していることを特徴とする請求項2~4のうちいずれか1項に記載の電気かみそり。
- 前記起毛部が設けられた桟と前記内刃との間に隙間を設けたことを特徴とする請求項1~5のうちいずれか1項に記載の電気かみそり。
- 前記起毛部が設けられた桟を前記内刃の肌側表面に対して傾斜させたことを特徴とする請求項1~6のうちいずれか1項に記載の電気かみそり。
- 前記起毛部は、前記刃穴周縁部に部分的に設けられていることを特徴とする請求項1~7のうちいずれか1項に記載の電気かみそり。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180011927.XA CN102781636B (zh) | 2010-03-26 | 2011-03-24 | 电动剃毛器 |
EP11759508.2A EP2554340B2 (en) | 2010-03-26 | 2011-03-24 | Electric shaver |
RU2012137725/02A RU2519359C1 (ru) | 2010-03-26 | 2011-03-24 | Электробритва |
US13/581,425 US9186803B2 (en) | 2010-03-26 | 2011-03-24 | Electric shaver |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-071579 | 2010-03-26 | ||
JP2010071579A JP5406769B2 (ja) | 2010-03-26 | 2010-03-26 | 電気かみそり |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011118703A1 true WO2011118703A1 (ja) | 2011-09-29 |
Family
ID=44673249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/057169 WO2011118703A1 (ja) | 2010-03-26 | 2011-03-24 | 電気かみそり |
Country Status (6)
Country | Link |
---|---|
US (1) | US9186803B2 (ja) |
EP (1) | EP2554340B2 (ja) |
JP (1) | JP5406769B2 (ja) |
CN (1) | CN102781636B (ja) |
RU (1) | RU2519359C1 (ja) |
WO (1) | WO2011118703A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2013035B1 (en) * | 2014-06-19 | 2016-07-06 | Veco B V | Coated shaving foil. |
EP3131711B1 (en) * | 2014-09-18 | 2018-03-21 | Koninklijke Philips N.V. | Cutting head and hair cutting appliance |
JP2016067589A (ja) * | 2014-09-30 | 2016-05-09 | 株式会社泉精器製作所 | ロータリー式電気かみそり |
US20170217030A1 (en) * | 2016-02-02 | 2017-08-03 | Izumi Products Company | Rotary electric shaver and method of manufacturing outer blade of rotary electric shaver |
JP6664123B2 (ja) * | 2017-02-24 | 2020-03-13 | パナソニックIpマネジメント株式会社 | 体毛処理機用外刃の製造方法、体毛処理機用外刃、および、体毛処理機 |
CN110891745B (zh) * | 2017-02-27 | 2022-08-16 | 品谱公司 | 带刀片防护件的电动手持式毛发修剪器 |
EP3398733A1 (en) * | 2017-05-05 | 2018-11-07 | Koninklijke Philips N.V. | Cutting mechanism |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57121268U (ja) * | 1981-01-19 | 1982-07-28 | ||
JPS5917381A (ja) * | 1982-07-21 | 1984-01-28 | 松下電工株式会社 | 往復式電気かみそりの外刃 |
JPS59146689A (ja) * | 1983-02-12 | 1984-08-22 | 九州日立マクセル株式会社 | 電気かみそりの外刃 |
JPH01274793A (ja) * | 1988-04-25 | 1989-11-02 | Matsushita Electric Works Ltd | 電気かみそりの刃 |
JP2008142275A (ja) * | 2006-12-08 | 2008-06-26 | Matsushita Electric Works Ltd | 電気かみそり |
Family Cites Families (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1129944A (fr) | 1954-04-02 | 1957-01-29 | Philips Nv | Peigne pour rasoir à sec |
US2948063A (en) * | 1957-05-20 | 1960-08-09 | Sunbeam Corp | Head for electrically operated hair clipping and shaving device |
US3064349A (en) * | 1959-03-28 | 1962-11-20 | Braun Ag | Shaving head for dry shavers having a coated cutting edge surface |
US2989804A (en) * | 1959-06-30 | 1961-06-27 | Edgar Bernhard | Self protected shaving device having multiple cutting edges |
GB984791A (en) * | 1960-06-30 | 1965-03-03 | Needle Industries Ltd | Improvements in dry shavers |
US3498891A (en) * | 1965-12-17 | 1970-03-03 | Gillette Co | Method of making shearing foils for dry shavers |
US3650849A (en) * | 1969-02-19 | 1972-03-21 | Philips Corp | Perforated shear-plate for dry shavers |
US3653900A (en) * | 1969-08-15 | 1972-04-04 | Zenith Radio Corp | Selective etching process for changing shadow-mask aperture size |
BE756135A (fr) * | 1969-09-25 | 1971-02-15 | Carinthia Elektrogeraete Gmbh | Procede de fabrication de grilles pour rasoirs a sec et matricepour l'execution de ce procede |
US3756105A (en) * | 1971-10-28 | 1973-09-04 | Ultrasonic Systems | Ultrasonic electric shaver |
US3869790A (en) * | 1973-07-30 | 1975-03-11 | Sperry Rand Corp | Hair trimmer |
US3940851A (en) * | 1974-06-12 | 1976-03-02 | Rookus James E | Hair-raising panel for electric razor |
US4184250A (en) * | 1974-09-02 | 1980-01-22 | U.S. Philips Corporation | Cutter foil for dry shaving apparatus |
US4105493A (en) * | 1975-07-05 | 1978-08-08 | The Gillette Company | Production of shaving foil |
JPS5921635B2 (ja) * | 1975-10-27 | 1984-05-21 | 松下電工株式会社 | デンキカミソリノ ソトバ |
JPS5294263A (en) * | 1976-01-30 | 1977-08-08 | Matsushita Electric Works Ltd | Electric razor |
US4139940A (en) * | 1976-12-13 | 1979-02-20 | The Gillette Company | Electric shaver |
JPS5759096Y2 (ja) * | 1977-06-27 | 1982-12-17 | ||
US4343089A (en) * | 1979-10-03 | 1982-08-10 | Matsushita Electric Works, Ltd. | Outer blade of electric shavers |
JPS5650994A (en) | 1979-10-04 | 1981-05-08 | Kawasaki Kasei Chem Ltd | Removal of sulfur and hydrogen cyanide from fuel gas |
JPS576682A (en) | 1980-06-13 | 1982-01-13 | Matsushita Electric Works Ltd | Electric razor |
JPS57121268A (en) | 1981-01-20 | 1982-07-28 | Matsushita Electric Ind Co Ltd | Semiconductor device |
GB2109738B (en) * | 1981-11-23 | 1985-07-03 | Gillette Co | Dry shaver |
JPS58130081A (ja) * | 1982-01-29 | 1983-08-03 | 九州日立マクセル株式会社 | 往復動式電気かみそり |
EP0098701A1 (en) | 1982-07-01 | 1984-01-18 | Exxon Research And Engineering Company | Process for hydroxylating olefins in the presence of an osmium oxide catalyst and carboxylate salt co-catalyst |
JPS5977883A (ja) | 1982-10-25 | 1984-05-04 | 松下電工株式会社 | 電気かみそりの外刃 |
JP2916925B2 (ja) | 1989-08-28 | 1999-07-05 | 丸善製薬株式会社 | スーパーオキサイド消去剤、飲食物および化粧料 |
NL8902807A (nl) | 1989-11-14 | 1991-06-03 | Philips Nv | Scheerapparaat. |
JP3431182B2 (ja) * | 1992-04-17 | 2003-07-28 | 株式会社泉精器製作所 | 電気かみそり |
DE69610576T2 (de) * | 1995-05-19 | 2001-05-31 | Matsushita Electric Works, Ltd. | Schneideinheit für elektrischen Rasierapparat |
EP0847324A1 (en) * | 1996-05-31 | 1998-06-17 | Koninklijke Philips Electronics N.V. | Shaving apparatus |
JP2001510387A (ja) * | 1997-12-03 | 2001-07-31 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 電気理髪装置 |
US6769179B2 (en) | 2000-07-06 | 2004-08-03 | Teizoh Satoh | Shaver |
JP2002058887A (ja) | 2000-08-22 | 2002-02-26 | Matsushita Electric Works Ltd | 電気かみそりの刃 |
JP2002066169A (ja) | 2000-08-28 | 2002-03-05 | Matsushita Electric Works Ltd | 電気かみそりの外刃 |
ATE306370T1 (de) | 2001-02-08 | 2005-10-15 | P J Dr Walls | Trockenrasierer mit variabler schneidehöhe |
KR100586783B1 (ko) * | 2001-08-10 | 2006-06-08 | 마츠시다 덴코 가부시키가이샤 | 전기 면도기 내부 블레이드 유닛 |
US7357052B2 (en) * | 2002-10-01 | 2008-04-15 | Eveready Battery Company, Inc. | Zirconia based blades and foils for razors and a method for producing same |
JP4453245B2 (ja) * | 2002-11-26 | 2010-04-21 | パナソニック電工株式会社 | 電気かみそり |
WO2005044524A1 (ja) | 2003-11-11 | 2005-05-19 | Matsushita Electric Works, Ltd. | 電気かみそり |
US8037613B2 (en) * | 2004-09-02 | 2011-10-18 | Rovcal, Inc. | Shaving head for rotary shaver and method of manufacturing the same |
JP2006218219A (ja) * | 2005-02-14 | 2006-08-24 | Izumi Products Co | ロータリー式電気かみそり |
JP5453126B2 (ja) | 2010-01-22 | 2014-03-26 | パナソニック株式会社 | 電気かみそり |
-
2010
- 2010-03-26 JP JP2010071579A patent/JP5406769B2/ja active Active
-
2011
- 2011-03-24 RU RU2012137725/02A patent/RU2519359C1/ru not_active IP Right Cessation
- 2011-03-24 EP EP11759508.2A patent/EP2554340B2/en active Active
- 2011-03-24 US US13/581,425 patent/US9186803B2/en active Active
- 2011-03-24 WO PCT/JP2011/057169 patent/WO2011118703A1/ja active Application Filing
- 2011-03-24 CN CN201180011927.XA patent/CN102781636B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57121268U (ja) * | 1981-01-19 | 1982-07-28 | ||
JPS5917381A (ja) * | 1982-07-21 | 1984-01-28 | 松下電工株式会社 | 往復式電気かみそりの外刃 |
JPS59146689A (ja) * | 1983-02-12 | 1984-08-22 | 九州日立マクセル株式会社 | 電気かみそりの外刃 |
JPH01274793A (ja) * | 1988-04-25 | 1989-11-02 | Matsushita Electric Works Ltd | 電気かみそりの刃 |
JP2008142275A (ja) * | 2006-12-08 | 2008-06-26 | Matsushita Electric Works Ltd | 電気かみそり |
Also Published As
Publication number | Publication date |
---|---|
EP2554340A4 (en) | 2013-08-21 |
JP5406769B2 (ja) | 2014-02-05 |
RU2519359C1 (ru) | 2014-06-10 |
RU2012137725A (ru) | 2014-05-10 |
EP2554340B1 (en) | 2017-02-01 |
US9186803B2 (en) | 2015-11-17 |
EP2554340B2 (en) | 2020-04-01 |
CN102781636A (zh) | 2012-11-14 |
CN102781636B (zh) | 2015-08-19 |
US20130000126A1 (en) | 2013-01-03 |
EP2554340A1 (en) | 2013-02-06 |
JP2011200492A (ja) | 2011-10-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5406769B2 (ja) | 電気かみそり | |
EP2747962B1 (en) | Hair cutting device with improved cutting member | |
JP5238051B2 (ja) | トリマー刃 | |
US9248578B2 (en) | Electric Shaver | |
US8925205B2 (en) | Electric shaver | |
JP6341379B2 (ja) | トリマーの刃およびこれを備えるトリマー | |
KR200391316Y1 (ko) | 전기면도기의 절삭날 어셈블리 | |
JP5385833B2 (ja) | 電気かみそり | |
JP5309067B2 (ja) | 電気かみそり | |
JP2011200494A (ja) | 電気かみそり | |
JP4479988B2 (ja) | 電気かみそり | |
EP3065921B1 (en) | Razor head with improved guard bar | |
JP5491920B2 (ja) | 電気かみそり | |
JP5421834B2 (ja) | 電気かみそり | |
JP2011147646A (ja) | 電気かみそり | |
JP2011200486A (ja) | 電気かみそり | |
JP3193378U (ja) | 電気かみそり | |
JP2011200488A (ja) | 電気かみそり | |
JP2003245483A (ja) | バリカン刃とその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180011927.X Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11759508 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13581425 Country of ref document: US |
|
REEP | Request for entry into the european phase |
Ref document number: 2011759508 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011759508 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012137725 Country of ref document: RU |