JP3840832B2 - Reciprocating electric razor - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention relates to a reciprocating electric shaver having a net blade and a trimmer blade, and more particularly to a support structure and a drive structure of a trimmer blade.
[0002]
[Prior art]
  In order to shave quickly without leaving a shave, there is one that can shave a heel by simultaneously applying a net blade and a trimmer blade to the skin. In addition, for the purpose of improving the feeling of skin contact, a net blade and a trimmer blade having a float structure (which can be pushed down against a spring bias) are also provided.
[0003]
  Japanese Patent Application Laid-Open No. 6-91067 discloses a trimmer blade having a float structure. This is on the back of the main body of the electric razorMounted so that it can slide up and down and can be positioned by clicking at the upper and lower positions.The trimmer blade can be floated by giving a degree of freedom at the click portion for positioning.
[0004]
  Also, JP-A-8-141227The gazette shows that a trimmer blade is floatably arranged in an outer blade frame so that when a certain amount of the trimmer blade sinks, the net blade also sinks.
[0005]
[Problems to be solved by the invention]
  However, the former electric shaver has a trimmer blade attached to the main body,The blade is located near the blade of the net bladeWhen switched to the upper position, there will be a gap between the blade and the skin when shaving.GapI can't get a smooth skin touch. Moreover, in the thing of this gazette, since the frictional force of a click part acts, the float of a trimmer blade is hard and cannot move with a sense of unity with a net blade.
[0006]
  In the latter case, the net blade and the trimmer blade are individually floatably supported, so that an upward biasing force is applied to each. Therefore, both the trimmer blade and the net blade are provided. When squeezing onto the skin at the same time, it sinks against both urging forces, and the float is hard and crumpled.
[0007]
  Also, the trimmer bladeIn the net bladeBecause it is in the outer blade frame and the outer blade frame covers the outer surface of the trimmer blade, the upper edge of the outer blade frame hits the skin when it is applied obliquely to the skin, and the blade is applied to the skin. Not only can it not be applied properly, but it also gives an unpleasant skin feel. Further, since the trimmer blade is always driven, useless current is consumed when the trimmer blade is not used. This is problematic for battery power sources.
[0008]
  Furthermore, in both examples, the movement allowed for the trimmer blade is only the vertical movement for the float, and it does not tilt left and right. Therefore, when combined with a net blade that has a float structure that can be tilted to the left and right, the blade floats with respect to the skin, leaving unshaved, and the trimmer blade partially Since it hits the skin, the skin contact becomes worse.
[0009]
  A trimmer blade that can be tilted left and right is disclosed in Japanese Patent Application Laid-Open No. 6-91068. Since only tilting is allowed, noise and vibration during driving are large, and since it is not a float structure, the skin contact is bad.
[0010]
  The present invention has been made in view of the above points, and the main object of the present invention is a reciprocating type in which the net blade and the trimmer blade can cooperate and perform shaving quickly and with a good feeling on the skin. To provide an electric razor.
[0011]
[Means for Solving the Problems]
  Therefore, the present invention is a reciprocating electric shaver provided with a net blade and a trimmer blade, and the above-mentioned net blade provided with a support frame and a net outer blade attached to the support frame has the support frame as a holding frame. On the other hand, it is supported so as to be slidable up and down and floated by being biased upward, and the trimmer blade is attached to the support frame of the net blade.With the positional relationship with the net blade maintainedNet blade andalwaysBetween the state where the blade part is positioned near the blade part of the net blade and the state where the blade part is positioned below the blade part of the net blade by floating up and down with respect to the support frame. Is characterized by being freely switchable. By attaching a trimmer blade to a net blade that is free to float, the net blade and the trimmer blade float together even when the net blade performs a float that allows not only the vertical direction but also the horizontal tilt. It is what I did.
[0012]
  The trimmer blade here isThe blade is engaged with the power transmission member in a state where the blade portion is positioned in the vicinity of the blade portion of the net blade, and is separated from the power transmission member in a state where the blade portion is positioned below the blade portion of the net blade.It is preferable.
[0013]
  Further, on the surface of the trimmer blade, it is preferable to provide an operation unit for a locking means for the float operation of the net blade holding the trimmer blade,The vertical position of the trimmer blade can be adjusted with the blade portion of the trimmer blade positioned in the vicinity of the blade portion of the net blade.It is also preferable.
[0014]
  The trimmer blade has a blade edge that is bent outward at a substantially right angle and directed outward, and a portion that is substantially perpendicular to the blade edge portion is a net blade.Support frameIt is good that it is held in.
[0015]
  Also, the trimmer bladeIn a state where the blade is positioned in the vicinity of the blade of the net bladeThose whose blade tips are positioned at almost the same height as the blade of the net blade,Support frameTrimmer blade inSlidable up and downHolding surfaceInclined with respect to the vertical float direction of the net bladeFormed as an inclined surface, the trimmer blade moves on its topThe bladeClose to the net bladeMakething,The external surface is a switching operation unitTrimmer bladeIn the electric razor bodySwitch handle for power operationAnd the surface whereTrimmer blades on the same surface, both sides of the net bladeRespectivelyWhat is provided is preferable.
[0016]
  Trimmer bladeA skin extending member is disposed on the outside of the skin extending member, and the skin extending member is positioned in a state where the skin extending portion provided on the upper edge is positioned above the cutting edge of the trimmer blade and below the cutting edge of the trimmer blade. Against the trimmer blade betweenThose that can be slid up and down,The trimmer blade protrudes toward the blade tip when the blade portion is positioned below the blade portion of the net blade, and retreats when the blade portion is positioned near the blade portion of the net blade. The trimmer blade has a member that exposes the blade tipThose are also preferred.
[0017]
  Furthermore, the trimmer blade is a net blade.Support frameAgainstIt is mounted upside downWell, in this caseOn the edge upside down from the edge where the blade edge is providedIt is advisable to provide a skin stretching member.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
  Hereinafter, the present invention will be described in detail based on an example of an embodiment. An electric shaver shown in FIGS. 2 and 3 includes two net blades 1 and 1 arranged in parallel and a slit positioned between both net blades 1 and 1. A total of four blades of a blade 2 and a trimmer blade 3 positioned outside the net blade 1 on one side are arranged on the upper end of the main body 5 of the electric razor. A motor 51 and a storage battery 59 are disposed in the housing 50 of the main body 5. As shown in FIG. 5, a switch handle 55 is disposed on the front surface of the main body 5.
[0019]
  The motor 51 is a vibration type linear actuator, and includes two output portions 54 and 54 that perform reciprocal vibration. Inner blades 18 and 18 of the net blade 1 are pushed up by the output portions 54 and 54, respectively. 19 and 19 are attached while being urged upward. The push-up spring 19 is for setting the contact pressure between the net outer blade 10 and the inner blade 18 in the net blade 1. Further, a trimmer driver 39 is attached to one output part 54, and a slit blade driver 29 is attached to the other output part 54.
[0020]
  Of the four blades, the two net blades 1 and 1 and the slit blade 2 constitute a main blade block A (see FIG. 4) together with the holding frame 6, and the housing 50 of the main body 5 has an upper end of the housing 50. It is detachably attached via the coupling frame portion 57. The trimmer blade 3 is attached to the side surface of the main blade block A.
[0021]
  Each net blade 1 (excluding the inner blade 18) in the main blade block A includes a net outer blade 10, an outer blade frame 11, and a support frame 12, as shown in FIG. In this state, the outer cutter frame 11 is heat-sealed and fixed. The outer blade frame 11 is integrated with the support frame 12 by being inserted into and fixed to the support frame 12 from below.
[0022]
  As shown in FIG. 7, the slit blade 2 is located outside the slit by positioning the slit outer blade 20 and the slit inner blade 21, the joint 22 where the slit inner blade 21 is heat-sealed, and the longitudinal ends of the slit outer blade 20. The blade 20 is composed of a pair of supports 23 to which heat seal is fixed, and the slit inner blade 21 is biased by a push-up spring 24 disposed between the upper surface of the support 23 and the lower surface of the joint 22. To contact the inner surface of the slit outer blade 20. In the figure, 201 and 231 are heat seal fixing parts, and 222 and 232 arePush upA spring receiver for the spring 24.
[0023]
  the aboveNet blade 1ofHolding frame 6The support frame 12 is attached to the holding frame 6 by inserting the engaging pieces 121 provided at both ends of the support frame 12 into the slits 61 provided in the holding frame 6 so as to be slidable up and down. At this time, in the holding frame 6At the upper end of the slit 61The hook 62 is positioned in the vertically long hole 122 above the engagement piece 121, and the protrusion 123 of the support frame 12 contacts both surfaces of the holding frame 6 in the vicinity of the slit 61. In the net blade 1 held so as to be movable up and down while being prevented from being removed by the hook 62, the float spring piece 63 in the holding frame 6 is in contact with the lower surface of the side protrusion 113 of the outer blade frame 11.With the spring piece 63 for the floatSpring-biased upward. Therefore, the net blade 1 can float freely with respect to the holding frame 6. Here, the inner dimension of the support frame 12 is set to be larger than the outer dimension of the holding frame 6, and the right and left inclination described later is allowed.
[0024]
  The slit blade 2 disposed in the central portion in the width direction of the holding frame 6 so as to be movable up and down is prevented from coming off by engaging the locking portion 233 of the support 23 with the hook 64 of the holding frame 6. A float spring 25 disposed between the spring receiver 65 of the holding frame 6 and the spring receiver 234 of the support 23.(See Figure 9)The locking portion 233 slides up and down in the vertical groove 66 on the inner surface of the holding frame 6 and is at a cover piece 236 located outside the support 23. The vertical ribs 235 provided on the sliding surface slides in the vertical grooves 67 on the outer surface of the holding frame 6,Slit blade 2Slide guide for the vertical movement of. Transmission of the reciprocating vibration to the movable blade 21 of the slit blade 2 is performed by engaging the lower end of the joint 22 with the above-described slit blade driver 29.
[0025]
  As shown in FIG. 6, the trimmer blade 3 includes a fixed blade 30 in which a comb-shaped cutting edge is bent by about 90 °, a movable blade 31 having the same comb-shaped cutting edge, and the movable blade 31 as a fixed blade. A push-up spring 32 that presses against 30, a trimmer base 33,Trimmer cover34, a trimmer joint 35, and the like. The fixed blade 30 is provided with a slot 301 and a heat seal hole 302 at the cutting edge, and a heat seal boss 342 on the lower surface of the trimmer cover 34 is heated in the heat seal hole 302. The trimmer cover 34 is integrally fixed to the fixed blade 30 by sealing. Further, the mounting hook 341 of the trimmer cover 34 and the fixing groove 303 provided in the central portion of the fixed blade 30 are coupled to prevent the floating at the central portion. The slot 301 engages with a guide boss 343 on the lower surface of the trimmer cover 34.
[0026]
  A guide groove 304, a slide hook 305, a shaft hole portion 306, and a coupling hole 307 are provided in the holding portion that is a portion excluding the blade edge portion of the fixed blade 30. The guide groove 304 engages with a guide hook 124 formed on the outer surface of the support frame 12 of one of the net blades 1 and guides the support frame 12 to slide up and down. Further, the slide hook 305 is provided on the support frame 12.Was provided in two steps on the outer surface ofEngaging with the slide locking rib 125 prevents rattling between the top dead center and the bottom dead center when the trimmer blade 3 slides up and down.
[0027]
  The trimmer base 33 is fixed to the fixed blade 30 with the movable blade 31, the push-up spring 32, the spring holding frame 36, the trimmer joint 35, and the lock button 37 interposed therebetween.30Combined with. This coupling is performed by inserting a mounting boss 331 provided on the back surface of the trimmer base 33 into the coupling hole 307 of the fixed blade 30 and heat-sealing. Further, the link boss 332 provided on the back surface of the trimmer base 33 passes through the shaft hole 351 of the trimmer joint 35 and comes out to the shaft hole portion 306 of the fixed blade 30. Two guide groove stopper bosses 333 provided on the lower back side of the trimmer base 33 close the lower side of the guide groove 304 of the fixed blade 30 to prevent the fixed blade 30 from coming off.
[0028]
  The trimmer joint 35 rotatably supported by the link boss 332 engages the drive boss 353 at the upper end with the drive hole 311 of the movable blade 31. The coupling boss 352 at the lower end of the trimmer joint 35 engages with the trimmer driver 39 described above. In a state where the coupling boss 352 is engaged with the trimmer driver 54, the reciprocating vibration of the output unit 54 and the trimmer driver 39 isTrimmer fittingIt is transmitted to the movable blade 31 via 35.
[0029]
  As described above, the trimmer blade 3 is the main blade block A.On one of the net blades 1Although it is slidably attached up and down, the state in which the trimmer blade 3 is moved upward is shown in FIGS. 1 and 12 (b), and the state in which the trimmer blade 3 is lowered in FIGS. 10 and 12 (a). Indicates. In the state where the trimmer blade 3 is lowered, the trimmer blade 3 does not operate even if the motor 51 is operated because the trimmer joint 35 is not engaged with the trimmer driver 39. Further, in the case of shaving with only the two net blades 1 and 1 and the slit blade 2 in the main blade block A, the trimmer blade 3 is positioned a considerable amount below so that the cutting edge of the trimmer blade 3 does not hit the skin. It is held in the state.
[0030]
  When the trimmer blade 3 is raised, as shown in FIG.As the cutting edge of the trimmer blade 3 comes to almost the same height as the net blade 1Since the trimmer joint 35 is engaged with the trimmer driver 39, the movable blade 31 is reciprocated. Further, the attachment surface of the trimmer blade 3 of the support frame 12 of the net blade 1 is an inclined surface whose lower side spreads outward, and if the trimmer blade 3 is moved upward, the upper end blade portion of the trimmer blade 3 is the net blade 1. On the bladeApproachTherefore, even when both the trimmer blade 3 and the net blade 1 are used for shaving simultaneously, sagging and sagging of the skin can be prevented and a smooth shaving taste with good skin perception can be obtained.
[0031]
  The trimmer blade 3 is attached to the net blade 1 on one side and is floatable integrally with the net blade 1, and sinks simultaneously when pressed against the skin.
[0032]
  By the way, when the trimmer blade 3 is slid up and down with respect to the net blade 1 to switch the vertical position, especially when the trimmer blade 3 is lowered, if the net blade 1 also moves following it, the trimmer blade 3 is moved up and down. It becomes difficult to rub. For this reason, when the lock button 37 provided on the trimmer base 33 is pushed in here, the pressing boss 370 at the tip of the lock button 37 is provided on the lower side of the support frame 12 as shown in FIG. And push the bottom insideHolding frameThe float of the net blade 1 can be locked by riding on a lock boss 68 provided on the front surface of 6. Therefore, in the operation of lowering the trimmer blade 3,Trimmer blade 3The support frame 12 that supportsWithout movementThe up and down movement operation of the trimmer blade 3 can be performed.
[0033]
  The trimmer blade 3 is arranged on the same surface as the arrangement surface of the switch handle 55 of the main body 5. The operation of the switch handle 55 and the up and down movement operation of the trimmer blade 3 can be performed with the same finger as a series of operations, and the trimming blade 3 is aligned even without holding the main body 5. It is made to be able to.
[0034]
  In this electric razor, the net blade 1 not only floats up and down, but as shown in FIG. 13, the right and left inclination is also free under the bias of the float spring piece 63. Since the trimmer blade 3 is attached to the blade 1, when the net blade 1 is tilted, the trimmer blade 3 is also tilted,Net blade 1The relative positional relationship between the net blade 1 and the trimmer blade 3 does not change no matter what direction the floats. Accordingly, the followability to the skin is also good, and the trimmer blade 3 always comes into contact with the skin pressed against the net blade 1 in a stable contact state, and the trimmer blade 3 bites into the skin strongly and causes irritation. On the other hand, there is no gap between the skin and the amount of unshaved parts does not increase.
[0035]
  FIG. 14 shows another example. This is so that the vertical position of the trimmer blade 3 with respect to the net blade 1 can be adjusted in a plurality of stages. Here,Provided on the support frame 12The upper slide locking boss 125 ′ is elongated vertically to give subtle irregularities within that range. When the trimmer blade 3 is moved up, its height can be finely adjusted, and the optimum position can be selected in accordance with the user's preference and shaving position with the net blade 1. Is.
[0036]
  FIGS. 15 to 17 show trimmer blades 3 and 3 provided on the outer surface sides of the two net blades 1 and 1, respectively. The basic structure is the same as that described above, but on the back side in the figure.Trimmer blade 3The trimmer driver 39 is also attached to one output portion 54 to which the slit blade driver 29 is attached. In the illustrated example in which the trimmer blades 3 and 3 are arranged at the front and rear, the same shaving performance can be obtained regardless of whether the shaving is performed from the front or the rear.
[0037]
  18 to 20 are provided with skin extending members 7 provided with skin extending fins 70 at the upper edge on the outer surface of the trimmer blade 3 so as to be vertically slidable, and hook portions provided at both ends in the longitudinal direction. 71 is engaged with the elongated hole 335 on the side surface of the trimmer base 33 so as to be movable up and down. In addition, positioning grooves 336 are provided at two locations above and below the side of the long hole 335 of the trimmer base 33 so that the skin stretcher member 7 can be positioned.
[0038]
  As shown in FIG. 19, the trimmer blade 3 is on the lower side and the skin stretching member 7 is on the lower side.FromIf the skin stretching member 7 is slid upward, as shown in FIG. 20, the skin stretching member 7 covers the cutting edge portion of the trimmer blade 3 and prevents the cutting edge of the trimmer blade 3 from touching the skin. The seven fins 70 stretch the skin and cause wrinkles, thereby making it possible to shave the wrinkles shorter. Further, since the trimmer blade 3 when not in use can be prevented from coming into contact with the skin, the amount of vertical sliding of the trimmer blade 3 can be reduced, and the trimmer blade 3 and the support frame 12 can be made compact. Become.
[0039]
  Another example is shown in FIGS. This is so that the relative position of the trimmer base 33 and the fixed blade 30 in the trimmer blade 3 can be changed. The fixed blade 30 and the trimmer base 33 are arranged on the lower side of the trimmer base 33. The mounting boss 331 and the coupling hole 307 of the fixed blade 30 are heat-sealed, and on the upper side, the coupling arm 309 of the fixed blade 30 engages with the coupling groove 337 of the trimmer base 33 and is coupled so as to be movable back and forth. In addition to the spring portion 321 that pushes up the movable blade 31, the push-up spring 32 is provided with a front / rear spring portion 322 that exerts a force in a direction that separates the trimmer base 33 from the fixed blade 30. For this reason, the trimmer base 33 and the fixed blade 30 can be rotated relative to each other with the lower part as an axis. In order to maintain the relative positional relationship between the trimmer joint 35 and the fixed blade 30, the link boss 332 is formed on the fixed blade 30 side. The fixed blade 30 is engaged with the guide hook 124 of the support frame 12, and the trimmer base 33 is engaged with the guide groove 128 of the support frame 12. The guide groove 128 is relatively inclined with respect to the mounting surface of the trimmer blade 3 of the support frame 12 so as to be closer to the upper side.
[0040]
  Therefore, when the trimmer blade 3 is lowered, as shown in FIG. 23, the upper portion of the trimmer base 33 is separated from the fixed blade 30 to prevent the cutting edge of the fixed blade 30 from directly touching the skin. Further, when the trimmer blade 3 is moved up, as shown in FIG. 24, the upper part of the trimmer base 33 approaches the fixed blade 30 to expose the cutting edge of the fixed blade 30. Even in this case, since the cutting edge of the trimmer blade 3 when not in use can be prevented from coming into contact with the skin, the vertical sliding amount of the trimmer blade 3 can be reduced, and the trimmer blade 3 and the support frame 12 can be made compact. can do.
[0041]
  In FIGS. 25 to 28, the skin stretching member 7 provided on the lower edge of the trimmer blade 3 can be positioned on the upper side by turning the trimmer blade 3 upside down. Here, the boss 90 provided on the support frame 12 passes through the shaft hole portion 306 of the fixed blade 3, the shaft hole 351 of the trimmer joint 35, the elongated hole 91 of the trimmer base 33, and the rotary spring 92. A washer 94 is attached. In the figure, reference numeral 95 denotes a screw cover that covers the screw 93 by being attached to the trimmer base 33 by coupling the hook portion 951 with the cover engaging hole 96 of the trimmer base 33.
[0042]
  The shaft hole portion 306 of the fixed blade 30 is formed in a cylindrical shape, and supports the rotation of the trimmer joint 35 on its outer peripheral surface. The inner diameter of the shaft hole portion 306 is large enough to allow the trimmer blade 3 to slide up and down with respect to the boss 90.
[0043]
  A skin-stretching member 7 made of an elastomer is provided at the lower edge of the trimmer base 33, and the skin-stretching member 7 is turned upside down by rotating the entire trimmer blade 3 180 ° around the boss 90. Can be set at the optimum position.
[0044]
  Figure27(a) has shown the state which set the trimmer blade 3 in which the blade edge | tip is the upper side in the lowered position, and if the trimmer blade 3 is moved up from this state, FIG.27The trimmer blade 3 shown in (b) can be used.
[0045]
  And figure27If the trimmer blade 3 is rotated 180 degrees from the state shown in (a),As shown in FIG.The skin stretching member 7 is positioned at substantially the same height as the blade portion of the net blade 1, and can be used as skin stretching. At this time, the edge of the trimmer blade 3 isEquivalentSince it will be located below, it will not hit the skin and damage it. When the trimmer blade 3 is moved upward, the trimmer blade 3 cannot be rotated because the trimmer joint 35 is engaged with the trimmer driver 39.
[0046]
  In the figure, 97 is a rotation operation rib. Further, the support frame 12 is provided with a rotary hook engagement hole 98 corresponding to the three states shown in FIGS. 20 and 21, and projects to the back side of the tip of the rotary hook 99 provided on the lower side of the fixed blade 30. The protrusion engages with the rotary hook engaging hole 98 for positioning.
[0047]
【The invention's effect】
  As described above, in the present invention, the net blade including the support frame and the net outer blade attached to the support frame is supported by the support frame so as to be slidable up and down with respect to the holding frame and springs upward. The trimmer blade is attached to the support frame of the net blade.With the positional relationship with the net blade maintainedNet blade andalwaysSince the float is integrally floated, the net blade and the float blade are floated integrally even in the case where the net blade performs a float in which not only the vertical direction but also the right / left inclination is allowed. Therefore, both the trimmer blade and the net blade can be maintained in good contact with the skin, and since the trimmer blade is attached to the support frame of the net blade, the trimmer blade is in the vicinity of the blade portion of the net blade. Since there is no possibility that the blades are separated from each other when the blade portion is positioned, the contact with the skin is good and the amount of unshaved portions can be reduced. Moreover, the trimmer blade can be switched between a state in which the blade portion is positioned near the blade portion of the net blade and a state in which the blade portion is positioned below the blade portion of the net blade by sliding up and down with respect to the support frame. Therefore, when the trimmer blade is positioned below the blade portion of the net blade, the net blade alone can be used without any problem.
[0048]
  And trimmer bladeIn a state where the blade is positioned in the vicinity of the blade of the net bladeIf the power transmission member is engaged and the blade portion is positioned below the blade portion of the net blade, the battery will last longer because wasteful load current is not consumed if it is separated from the power transmission member. It will be.
[0049]
  In addition, the trimmer blade is attached to the floatable net blade by providing an operation unit for the locking means for the float operation of the net blade holding the trimmer blade on the surface of the trimmer blade. Regardless of the trimmer bladeSwitching the blade positionThe operation can be performed with a minimum operation amount.
[0050]
  And the trimmer bladeThe vertical position can be adjusted with the blade positioned near the blade of the net blade.In the case of simultaneous shaving with the net blade, the contact state between the trimmer blade and the skin can be set to an optimum state suitable for the user's preference and the shaved part.
[0051]
  The trimmer blade has a blade edge that is bent outward at a substantially right angle and directed outward, and a portion that is substantially perpendicular to the blade edge portion is a net blade.Support frameIf the blade is held by the trimmer blade, the thickness of the edge of the trimmer blade can be reduced and the distance from the net blade can be reduced. In this case, sagging and sagging of the skin can be prevented, and a smooth shaving taste with good skin contact can be obtained.
[0052]
  Also, the trimmer bladeIn a state where the blade is positioned in the vicinity of the blade of the net bladeIf the blade edge is positioned at almost the same height as the blade of the net blade, the net blade will fix the positional relationship with the skin. Can be prevented from biting into the skin, and there is no shave residue, and a shave performance with good skin contact can be obtained.
[0053]
  Net bladeSupport frameTrimmer blade inSlidable up and downHolding surfaceInclined with respect to the vertical float direction of the net bladeIt is formed as an inclined surface and the trimmer bladeThe bladeIf it is made to approach the net blade, the distance from the net blade can be further reduced.
[0054]
  Also,The external surface is a switching operation unitTrimmer bladeIn the electric razor bodySwitch handle for power operationAnd the surface whereIf they are arranged on the same surface, the operation of moving the trimmer blade and the operation of the switch can be performed only by moving the finger without the need to change the main body, and the operation becomes easy. In addition, when aligning sideburns with a trimmer blade, it can be easily shaved without twisting the hand or changing the body.
[0055]
  If the trimmer blades are provided on both sides of the net blade, respectively, the trimmer blade and the net blade can be simultaneously shaved when shaving in either the front or back direction, and the shaving can be performed more quickly and without shave.
[0056]
  Trimmer bladeA skin extending member is disposed on the outer side, and the skin extending member is located above the cutting edge of the trimmer blade and below the cutting edge of the trimmer blade. Between the state and the trimmer bladeIt may be attached so that it can slide up and down. When the trimmer blade is not used, it can function as a skin stretcher, and it is possible to shave shorter.
[0057]
  Trimmer bladeA member that protrudes toward the blade edge when the blade portion is positioned below the blade portion of the net blade, and retreats when the blade portion is positioned near the blade portion of the net blade to expose the blade edge HasIf the trimmer blade is not used, exposure of the trimmer blade edge can be reduced or eliminated when the trimmer blade is not used, and the trimmer blade can be prevented from hitting the skin and damaging the skin. The structure can be made compact because there is no problem even if the amount of sliding up and down is reduced.
[0058]
  In addition, the trimmer blade of the net bladeSupport frameAgainstIf it can be installed upside downCan completely prevent the skin from hitting the edge of the trimmer blade. Moreover,On the edge upside down from the edge where the blade edge is providedIf a skin stretcher member is provided, it is possible to shave the trimer blade shorter as a skin stretcher member by the above inversion.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of main parts of an example of an embodiment of the present invention.
FIG. 2 is a cross-sectional view of the above.
FIG. 3 is a front view of the same.
FIG. 4 is an exploded perspective view of the main blade block and the trimmer blade same as above.
FIG. 5 is an exploded perspective view of the main body portion.
FIG. 6 is an exploded perspective view of the trimmer blade same as above.
FIG. 7 is an exploded perspective view of the above slit blade.
FIG. 8 is an exploded perspective view of the above-described net blade.
FIG. 9 is a perspective view of the holding frame.
FIG. 10 is a cross-sectional view of a main part in a state where the trimmer blade is lowered.
FIG. 11 is a cross-sectional view of the main part showing a state in which the float of the net blade is locked for the up / down operation of the trimmer blade.
12 (a) and 12 (b) are partial front views showing the vertical sliding operation of the trimmer blade of the above.
FIGS. 13A and 13B are partial front views showing a float operation integrated with the net blade of the trimmer blade of the above.
FIG. 14 is a perspective view of a main blade block in another example.
FIG. 15 is an exploded perspective view of a main blade block and a trimmer blade in still another example.
FIG. 16 is an exploded perspective view of the main body portion.
FIG. 17 is a cross-sectional view of the main part of the above.
FIG. 18 is an exploded perspective view of still another example of a trimmer blade.
FIG. 19 is a sectional view of the main part of the above.
FIG. 20 is a cross-sectional view of a main part in a state where the skin stretching member is moved up.
FIG. 21 is an exploded perspective view of another example trimmer blade.
FIG. 22 is a perspective view of a support frame in the same net blade.
FIG. 23 is a cross-sectional view of a main part in a state where the trimmer blade is lowered.
FIG. 24 is a cross-sectional view of a main part in a state where the trimmer blade is raised.
FIG. 25 is a perspective view of still another example of a trimmer blade.
FIG. 26 is a perspective view of a support frame in the above-described net blade.
FIGS. 27A and 27B are partial front views showing the up and down sliding operation of the trimmer blade of the above.
FIG. 28 is a partial front view of the above trimmer blade in an upside down state.
[Explanation of symbols]
  1 Net blade
  3 Trimmer blade
  11 Outer blade frame
  12 Support frame

Claims (13)

A reciprocating electric razor having a net blade and a trimmer blade, the net blade having a support frame and a net outer blade attached to the support frame, the support frame being slidable vertically with respect to the holding frame. The trimmer blade is attached to the support frame of the net blade so that the positional relationship with the net blade is maintained while being supported and spring-biased upward. The blade always floats integrally with the net blade, and the blade portion is positioned in the vicinity of the blade portion of the net blade by the vertical slide with respect to the support frame, and the blade portion is positioned below the blade portion of the net blade. A reciprocating electric shaver characterized by being able to switch between states.   The trimmer blade engages with the power transmission member when the blade portion is positioned in the vicinity of the blade portion of the net blade, and the power transmission member when the blade portion is positioned below the blade portion of the net blade. 2. A reciprocating electric shaver according to claim 1, which is separated.   The reciprocating electric shaver according to claim 1 or 2, wherein an operation portion for locking means for the float operation of the net blade holding the trimmer blade is provided on the surface of the trimmer blade. .   The reciprocating type according to any one of claims 1 to 3, wherein the trimmer blade has an adjustable vertical position in a state where the blade portion is positioned in the vicinity of the blade portion of the net blade. Electric razor.   The fixed blade of the trimmer blade has a cutting edge that is bent substantially at a right angle and directed outward, and a portion that forms a substantially right angle with the cutting edge portion is held by a support frame of the net blade. The reciprocating electric shaver according to any one of claims 1 to 4.   6. The trimmer blade according to claim 1, wherein the blade tip is positioned at substantially the same height as the blade portion of the net blade in a state where the blade portion is positioned in the vicinity of the blade portion of the net blade. The reciprocating electric shaver according to any one of the above.   The holding surface that holds the trimmer blade slidably up and down in the support frame of the net blade is formed as an inclined surface that is inclined with respect to the vertical float direction of the net blade. The reciprocating electric shaver according to any one of claims 1 to 6, characterized in that   The trimmer blade whose outer surface is an operation portion for switching is disposed on the same surface as the surface on which the switch handle for power operation in the electric razor body is disposed. The reciprocating electric shaver according to item 1.   The reciprocating electric shaver according to any one of claims 1 to 8, wherein the trimmer blade is provided on both surfaces of the net blade.   A skin-stretching member is disposed outside the trimmer blade, and the skin-stretching member has a state in which the skin-stretching portion provided on the upper edge is located above the cutting edge of the trimmer blade and below the cutting edge of the trimmer blade. The reciprocating electric shaver according to any one of claims 1 to 9, wherein the reciprocating electric shaver is attached to the trimmer blade so as to be freely slidable up and down with respect to a state of being located at the position.   The trimmer blade protrudes toward the blade edge when the blade portion is positioned below the blade portion of the net blade, and retracts when the blade portion is positioned near the blade portion of the net blade. The reciprocating electric shaver according to any one of claims 1 to 10, further comprising a member to be exposed.   The reciprocating electric shaver according to any one of claims 1 to 9, wherein the trimmer blade is attached to the support frame of the net blade so as to be turned upside down.   The reciprocating electric shaver according to claim 12, wherein the trimmer blade is provided with a skin-stretching member on an edge that is upside down with respect to an edge provided with the cutting edge.

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