JP4699035B2 - Nail clipper with nail splash prevention case - Google Patents

Description

  The present invention relates to a nail clipper with a nail scattering prevention case that can easily adjust the nail cutting length.

In the nail clipper according to Patent Document 1 described below, a deep nail prevention safety device that can regulate the cutting length of the nail by the guard wall is supported on the bearing plate by both connecting claws.
JP-A-9-206125

  However, the deep nail prevention safety device has been improved to prevent the deep nail by restricting the nail cutting length, and is not intended to easily adjust the nail cutting length. Even if possible, there was a problem in terms of ease.

  An object of the present invention is to facilitate adjustment of the cutting length of a nail in nail cutting.

The present invention will be described with reference to the drawings of the embodiments described later (the first embodiment shown in FIGS. 1 to 3 and the second embodiment shown in FIG. 4).
The nail clipper with a nail scattering prevention case according to the invention of claim 1 is configured as follows.

The nail clipper includes a nail clipper body (1) in which the upper blade edge (8) of the upper blade body (4) and the lower blade edge (9) of the lower blade body (5) face each other, and the nail clipper. And a nail scattering prevention case (2) for accommodating the cut main body (1). The lower cutting edge is supported by a movable body (3) having a fingertip abutting portion (25) to which a fingertip (34) to which the nail (33) extends is supported so as to be movable with respect to the nail scattering prevention case (2). The distance (L) of the fingertip contact portion (25) with respect to (9) can be changed. The movable body (3) is provided with a finger receiving part (18) having a fingertip contact part (25). The finger receiving portion (18) extends in the vertical direction and has a vertical plate portion (20) having the fingertip contact portion (25), and intersects the vertical plate portion (20) from the lower cutting edge (9). And a lateral plate portion (21) extending outwardly spaced apart. The finger contact surface (20a) of the vertical plate portion (20) and the finger contact surface (21a) of the horizontal plate portion (21) are formed in a stepped shape. Incidentally, even if a fingernail is used by placing a finger on the finger contact surface (20a) of the vertical plate part (20) or the finger contact surface (21a) of the horizontal plate part (21), the finger is applied to them. You may use a nail clipper.
In the invention of claim 2 (corresponding only to the second embodiment ) based on the invention of claim 1, a window hole (through which the nail (33) passes through the vertical plate portion (20) of the finger receiving portion (25) ( 35) was formed, and the fingertip contact portion (25) was provided in the window hole (35).

In the invention of claim 3 premised on the invention of claim 1 or claim 2 , the nail scatter prevention case (2) includes a bottom wall portion (12) facing the lower blade body (5) and an upper blade body. (4) and a lower blade body (5) between both side walls (13) facing the nail scattering chamber (17), and this nail scattering prevention case (2), for example, its bottom wall (12) Has a movement guide part (15) for supporting the movable body (3) so that movement can be adjusted.

According to the first to third aspects of the present invention, the movable body (3) having the fingertip abutting portion (25) has a simple structure by effectively utilizing the existing nail scattering prevention case (2), for example, its bottom wall portion (12). It is possible to easily adjust the cutting length of the nail (33). Further, when the finger is applied to the finger contact surface (20a) of the vertical plate portion (20) or the finger contact surface (21a) of the horizontal plate portion (21), the fingertip (34) can be stably supported.

In the invention of claim 4 based on the invention of claim 3, the movable body (3) has a supporting arm portion (19) extending from a finger receiving portion (18) having a fingertip abutting portion (25). And the said movement guide part (15) has the guide hole (30) by which the support arm part (19) of this movable body (3) is inserted so that movement adjustment is possible. In the invention of claim 4 , the support arm portion (19) of the movable body (3) can be stably supported and guided by the guide hole (30) of the movement guide portion (15).

In the invention of claim 5 premised on the invention of any one of claims 1 to 4, an adjustment unit (28, 32, 36, 37, etc.) for moving the movable body (3) For example, a male and female screw mechanism (28, 32) is provided between the movable body (3) and the claw scattering prevention case (2), for example, the movement guide portion (15). In the invention of claim 5 , the movable body (3) can be easily moved and adjusted by the adjusting portion (28, 32, 36, 37, etc.).

In the nail clipper of the present invention, the cutting length of the nail (33) can be easily adjusted while the fingertip (34) of the movable body (3) is stably supported by the finger receiving part (18) .

First, a nail clipper according to a first embodiment of the present invention will be described with reference to FIGS.
This nail clipper includes a nail clipper main body 1, a nail scattering prevention case 2, and a movable body 3 for adjusting the nail cutting length.

  The nail clipper main body 1 includes an upper blade body 4, a lower blade body 5, a support shaft 6, and a pressing operation lever 7. The upper blade body 4 and the lower blade body 5 are extended along the front-rear direction X, and the base end portions 4a and 5a, which are the rear end portions thereof, are fixed to each other. 8 and the lower blade edge 9 is formed at the tip of the lower blade body 5 so as to face the upper blade edge 8. Support holes 10 and 11 are formed in the upper and lower blade bodies 4 and 5 in the vicinity of the upper and lower cutting edges 8 and 9, respectively, and the support shaft 6 is inserted into the support holes 10 and 11. The portion 6 a is locked to the support hole 11 below the lower blade body 5, and the upper end portion 6 b of the support shaft 6 protrudes through the support hole 10 above the upper blade body 4. The pressing lever 7 is hooked on the upper end portion 6b of the support shaft 6 and overlaps the upper blade body 4 when not in use.

  The nail scattering prevention case 2 is integrally formed of synthetic resin and has a bottom wall portion 12 and left and right side wall portions 13. In the bottom wall portion 12, the bottom plate portion 14 extends from the front end portion to the rear end portion along the front-rear direction X, and a movement guide portion 15 is formed below the bottom plate portion 14 in the front half portion. The lower side of the rear half is recessed as a finger hook. The nail clipper main body 1 is detachably accommodated in the accommodating chamber 16 formed between the bottom plate portion 14 and the left and right side wall portions 13, and the base end portions 4a and 5a side of the upper and lower blade bodies 4 and 5 are accommodated in the accommodating chamber 16. It is inserted and locked in the latter half of the chamber 16. In the nail clipper main body 1, the lower blade body 5 faces the bottom plate portion 14, and the left and right side wall portions 13 face the nail scattering chamber 17 between the upper blade body 4 and the lower blade body 5, and Both blade edges 8 and 9 are exposed from the front end of the storage chamber 16.

  The movable body 3 is integrally formed of a synthetic resin and includes a finger receiving portion 18 and a support arm portion 19. The finger receiving portion 18 includes a vertical plate portion 20 that extends in the vertical direction, and a horizontal plate portion 21 that intersects with the vertical plate portion 20 and extends outwardly away from the lower blade edge 9. The finger contact surface 20a and the finger contact surface 21a of the horizontal plate portion 21 are formed in steps. The vertical plate portion 20 includes a lower plate portion 22 having a wide width dimension (maximum width of about 16 mm) in the width direction Y along the extending direction (left-right direction) of the lower cutting edge 9 and a width narrower than the lower plate portion 22. An upper plate portion 23 having a dimension (maximum width of about 7 mm) and a step portion 24 provided between the lower plate portion 22 and the upper plate portion 23 on both sides in the width direction Y are provided. A fingertip abutting portion 25 is provided at the upper end portion of the upper plate portion 23. The horizontal plate portion 21 has the same width as the lower plate portion 22 of the vertical plate portion 20. The lower blade body 5 has step portions 26 on both sides in the width direction Y of the lower blade edge 9 in addition to the lower blade edge 9 (width of about 4 mm) facing the upper end portion of the upper plate portion 23 of the vertical plate portion 20. Have. The upper blade body 4 also has step portions 26 on both sides in the width direction Y of the upper blade edge 8 in addition to the upper blade edge 8 (width of about 4 mm) facing the lower blade edge 5. The upper cutting edge 8 and the lower cutting edge 9 are linearly extended in the width direction Y. In the front-rear direction X, the upper cutting edge 8 and the lower cutting edge 9 are formed inwardly in a concave shape or outwardly in a convex shape. You may do it. The support arm portion 19 extends rearward from the vertical plate portion 20 of the finger receiving portion 18 and has a bifurcated left and right guide portion 27 and a male screw shaft extending rearward between the left and right guide portions 27. 28.

  In the claw scattering prevention case 2, the movement guide portion 15 of the bottom wall portion 12 includes a guide plate portion 29 facing the lower front half of the bottom plate portion 14, the bottom plate portion 14, the guide plate portion 29, and the left and right side wall portions. 13 and a guide hole 30 between the lower half of the front half, the front end of the guide hole 30 is opened by a mouth 30a, and the guide plate 29 has an operation hole communicating with the guide hole 30. 31 is formed. The support arm 19 of the movable body 3 is inserted into the guide hole 30 from the mouth 30a and supported so as to be movable along the front-rear direction X. As a male / female screw mechanism which is an operation portion (adjustment portion), a female screw cylinder 32 inserted from the operation hole 31 is screwed onto the male screw shaft 28 of the support arm portion 19 to be exposed from the operation hole 31. When the female screw cylinder 32 is rotated, the movable body 3 moves along the front / rear direction X together with the support arm portion 19 via the male screw shaft 28, and the fingertip contact portion 25 of the finger receiving portion 18 with respect to the lower cutting edge 9 is moved. The distance L is changed steplessly in the range of about 0 mm to 10 mm.

  Now, after the pressing lever 7 is reversed from the non-use state of FIG. 2A and is raised in the use state of FIG. 2C, the fingertip 34 with the nail 33 extended is brought into contact with the fingertip of the finger receiving portion 18. When the female screw cylinder 32 is rotated against the portion 25 and the fingertip contact portion 25 is moved closer to and away from the lower cutting edge 9, the nail 33 is moved between the upper and lower cutting edges 8 and 9 according to the desired cutting length of the nail 33. Can be inserted. Thereafter, when the pressing lever 7 is pressed downward, the upper and lower cutting edges 8 and 9 approach each other and cut the claw 33 with a desired length. When the pressing against the pressing lever 7 is released, the upper and lower cutting edges 8 and 9 are separated from each other. The cut piece of the nail 33 enters the nail scattering chamber 17 between the upper and lower blades 4 and 5. As described above, when the width of the upper blade edge 8 and the lower blade edge 9 is about 4 mm, when the claw 33 is cut, it is easy to adjust the shape of the claw 33 by reducing the width of the cut piece. It should be noted that the rear end lower portion 2a of the nail scattering prevention case 2 may be in contact with the placement surface F as shown by a two-dot chain line in the non-use state of FIG. 2A or the use state of FIG. 2C. In that case, the nail clipper can be placed on the placement surface F with good stability.

Next, a nail clipper according to a second embodiment of the present invention will be described with reference to FIG. 4 with a focus on differences from the first embodiment.
In the finger receiving portion 18, a window hole 35 is formed in the upper portion of the vertical plate portion 20, and a fingertip abutting portion 25 is provided on the lower edge portion of the inner peripheral edge portion of the window hole 35. When the fingertip 34 is applied to the fingertip contact portion 25, the nail 33 is inserted between the upper and lower cutting edges 8 and 9 through the window hole 35.

  An operation hole 31 (adjustment part) that communicates with the guide hole 30 extends along the front-rear direction X in the left and right side wall parts 13. A plurality of locking projections 36 (adjusting portions) are arranged in parallel in the front-rear direction X in the left and right operation holes 31. In the support arm portion 19 of the movable body 3, both the left and right guide portions 27 (adjustment portions) have flexibility to bend in the width direction Y. A portion 37 (adjustment portion) is formed. The locking collar portions 37 of the left and right guide portions 27 are engaged with both the left and right operation holes 31 and locked to any one of the locking protrusions 36. When the left and right guide portions 27 are moved along the front-rear direction X and their locking collars 37 are locked to any of the locking projections 36, the movable body 3 moves in the front-rear direction X together with the support arm portion 19. The distance L of the fingertip contact portion 25 of the finger receiving portion 18 with respect to the lower cutting edge 9 is changed stepwise (three steps) in a range of about 0 mm to 10 mm.

(A) is an exploded perspective view which shows only a nail scattering prevention case and a movable body for nail cutting length adjustment in the nail clipper according to the first embodiment, and (b) is an assembled perspective view. (A) is an assembly | attachment front view which shows a non-use state in the nail clipper concerning 1st Embodiment, (b) is a partial top view of (a), (c) is the assembly which shows a use state similarly It is a front view. (A) is sectional drawing which looked at the nail clipper shown to Fig.2 (a) from the front side, (b) is the cross section which looked at the nail clipper which moved the movable body for nail cutting length adjustment from the front side. FIG. (A) is an assembly perspective view which shows a part of nail | spatter scattering prevention case in the nail clipper concerning 2nd Embodiment, (b) is the fragmentary sectional view which looked at (a) from the plane side, (c (D) is a front view with a partially cutout assembly showing a part of a nail clipper according to the second embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Nail clipper main body, 2 ... Claw scattering prevention case, 3 ... Movable body, 4 ... Upper blade body, 5 ... Lower blade body, 8 ... Upper blade edge, 9 ... Lower blade edge, 13 ... Side wall part, 15 ... Movement guide part , 17 ... Nail scattering chamber, 18 ... Finger receiving part, 19 ... Support arm part, 20 ... Vertical plate part, 20a ... Finger pad surface, 21 ... Horizontal plate part, 21a ... Finger pad surface, 25 ... Finger head contact part, 28 ... male screw shaft (adjustment part), 30 ... guide hole, 31 ... operation hole (adjustment part), 32 ... female screw cylinder (adjustment part), 33 ... claw, 34 ... fingertip, 36 ... locking projection (adjustment part), 37: A locking collar (adjusting part).

Claims (5)

The upper blade edge of the upper blade body and the lower blade edge of the lower blade body face each other and come close to and away from each other, and a nail scatter prevention case that accommodates the nail clip body, A movable body having a fingertip contact portion is supported so as to be movable with respect to the nail scattering prevention case, so that the distance of the fingertip contact portion with respect to the lower blade edge can be changed ,
The movable body is provided with a finger receiving portion having a fingertip abutting portion. The finger receiving portion extends in the vertical direction and has a vertical plate portion having the fingertip abutting portion, and intersects the vertical plate portion with the lower plate portion. A lateral plate portion that extends outwardly from the blade edge, and is formed in a step shape between the finger contact surface of the vertical plate portion and the finger contact surface of the horizontal plate portion. Nail clipper with nail splash prevention case. The nail clipper with a nail scattering prevention case according to claim 1, wherein a window hole through which a nail passes is formed in the vertical plate portion of the finger receiving portion, and the fingertip contact portion is provided in the window hole. The nail scattering prevention case has a bottom wall portion facing the lower blade body, and both side wall portions facing a nail scattering chamber between the upper blade body and the lower blade body. The nail clipper with a nail scattering prevention case according to claim 1 or 2 , further comprising a movement guide portion that supports the movable body so as to be movable. The movable body has a support arm portion extending from a finger receiving portion having a fingertip contact portion, and the movement guide portion has a guide hole into which the support arm portion of the movable body is inserted so as to be movable. The nail clipper with a nail scattering prevention case according to claim 3 . The nail scattering prevention according to any one of claims 1 to 4, wherein an adjustment portion for moving the movable body is provided between the movable body and the nail scattering prevention case. Nail clipper with case.

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