JP2647561B2 - Folding nail clippers - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nail clipper that can be folded when not in use.

[0002]

2. Description of the Related Art A conventional nail clipper of this type is disclosed in Japanese Utility Model Publication No. 10-17787. In this nail clipper, an upper blade body and a lower blade body are rotatably supported by an opening / closing central shaft portion, and the blade edges are formed opposite to each other on the upper and lower blade bodies on the tip side of the coaxial portion. The upper and lower blades are pushed apart from each other by a leaf spring provided between the upper and lower blades on the base end side of the coaxial portion, so that the cutting edges are separated. A case is rotatably supported on the upper blade body on the base end side of the coaxial portion. Then, when the case is rotated to the rear of the upper blade body during use,
The upper and lower blades are pushed apart by the leaf spring. When the lower blade body is pressed downward against the urging force of the leaf spring in this use state, the upper and lower blade edges come into contact with each other. When the case is rotated on the lower blade body when not in use, and pressed down against the urging force of the leaf spring, the upper and lower blade bodies are folded into the case in a state of being overlapped with each other.

However, this nail clipper has a problem in that the case protrudes rearward of the upper blade body during use, and this case hinders use.

[0004]

As described above, the conventional problem is that it is difficult to use a foldable nail clipper, and the present invention improves the operating means in use and the folding means in non-use. The purpose is to provide a very easy to use nail clipper.

[0005]

SUMMARY OF THE INVENTION In view of this object, in a nail clipper according to the present invention, as shown in the drawings of an embodiment described later, an upper blade body 1 and a lower blade body 9 are connected to an opening / closing center shaft portion 7. , 1
0, 14 so as to be rotatable with respect to each other.
The blade tip 1 is attached to the upper and lower blades 1, 9 on the tip side than 10, 14.
a and 9a are formed to face each other, and a spring 8 is provided between the upper and lower blades 1 and 9. The upper and lower blades 1 and 9 are pushed apart by the biasing force of the spring 8, so that the cutting edges 1a and 9a of the upper and lower blades 1 and 9 are separated from each other.

In particular, a storage space 6 is provided in the upper blade 1, and the pressing lever 16 is movably supported on the lower blade 9 by their fulcrums 18 and guides 15. Then, by moving the pressing lever 16, the pressing lever 16 can press the lower blade body 9 against the urging force of the spring 8 by the power point portion 21 at the time of use, and at the time of non-use. The pressing lever 16 can be folded in the storage space 6 of the upper blade body 1.

[0007]

In the use state shown in FIGS. 2 and 3, the power point portion 21 of the pressing lever 16 is in contact with the lower blade body 9 and the upper and lower blade bodies 1 and 9 apply the urging force of the spring 8. The blades 1 of the upper and lower blades 1 and 9
a and 9a are separated. Then, when the pressing lever 16 is pressed downward, the lower blade body 9 is pressed downward by the power point portion 21 against the urging force of the spring portion 8, and the upper and lower blade members 1,
The nine cutting edges 1a, 9a abut each other.

On the other hand, as shown in FIG. 5 and FIG. 6, when the pushing lever 16 is moved and the pushing lever 16 is pressed downward, the lower blade 9 and the pushing lever 16 are housed in the storage space of the upper blade 1. Folded into 6.

[0009]

An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the upper blade 1 has a front frame 2 and a rear frame 3.
And a left frame part 4 and a right frame part 5, and each frame part 2, 3, 4,
The storage space 6 is formed between the five. Left and right frame parts 4,
A shaft support hole 7 is formed at the front of the shaft 5, and a cutting edge 1 a is formed below the front frame portion 2 at a more distal end side than the shaft support hole 7.
The rear frame portion 3 is provided below the rear portions of the left and right frame portions 4 and 5, and a step is formed between the upper surface of the rear frame portion 3 and the inner surfaces of the left and right frame portions 4 and 5. The rear end portions of the left and right frame portions 4 and 5 slightly protrude rearward from the rear frame portion 3, and locking recesses 4 a and 5 a are cut out below the rear end portions. As shown in FIGS. 2 and 3, a leaf spring 8 is mounted on the rear frame 3, and the leaf spring 8 extends toward the front frame 2 between the inner surfaces of the left and right frames 4 and 5. .

The lower blade body 9 has a support portion 11 having a shaft support hole 10.
And a blade portion 12 formed on the distal end side of the shaft support hole 10.
And a lever connecting portion 13 formed on the base end side of the shaft supporting hole 10. The support portion 11 is overlapped between the inner surfaces of the left and right frame portions 4, 5 of the upper blade 1. A support shaft 14 is inserted into each of the shaft support holes 7 and 10, and the upper blade body 1 and the lower blade body 9 are centered on the respective shaft support holes 7 and 10 and the support shaft 14, which are opening and closing central shaft portions. Are rotatable with respect to each other in the vertical direction. Above the blade portion 12, a blade edge 9a is formed corresponding to the blade edge 1a of the upper blade body 1. The leaf spring 8 abuts on the lower side of the lever connecting portion 13, and the upper and lower blade bodies 1, 9 are pushed apart by the biasing force of the leaf spring 8, so that the cutting edges 1a, 9a are separated. I have.

An elongated guide hole 15 is formed in the lever connection portion 13 of the lower blade body 9 so as to extend in the front-rear direction. A bifurcated support arm 17 is formed at the front portion of the pressing lever 16, and the support shaft 18 is passed through the elongated guide hole 15 so that the support arm 1 is connected to the support arm 1 in a state where the lever connection portion 13 is overlapped between the support arms 17.
7 to form a fulcrum. Pressing lever 16
Is vertically rotatable with respect to the lever connection portion 13 of the lower blade body 9 by the guide slot 15 and the support shaft 18, and is movable in the front-back direction along the guide slot 15. A guide slot 15 is provided on the lever connection portion 13 of the lower blade body 9.
An avoiding groove 19 is formed further behind, and a locking wall 20 protrudes from the rear side of the avoiding groove 19. A power point portion 21 is provided between the two supporting arms 17 of the pressing lever 16 behind the support shaft 14, and is formed between the locking wall 22 projecting from the base end of the two supporting arms 17 and the power point portion 21. An avoidance hole 23 is formed between them. Locking projections 16a are formed on both sides of the rear end of the pressing lever 16.

In the use state shown in FIGS. 2 and 3, the support shaft 18 of the pressing lever 16 is located in front of the guide slot 15 of the lower blade body 9 and the power point portion 2 of the pressing lever 16 is located.
1 is in contact with the lever connecting portion 13 apart from the avoidance groove 19 of the lower blade body 9 and the locking wall 2 of the pressing lever 16
2 is engaged with the avoiding groove 19 of the lower blade body 9 and is engaged with the locking wall 20 of the lower blade body 9. Due to the engagement between the locking walls 20 and 22 and the engagement between the guide elongated hole 15 and the support shaft 18, the pressing lever 16 is prevented from moving in the front-rear direction with respect to the lever connecting portion 13 of the lower blade body 9. I have. The upper and lower blades 1, 9 are pushed apart from each other by the urging force of the leaf spring 8, and the cutting edges 1a, 9a of the upper and lower blades 1, 9 are separated. Lever connecting portion 13 of lower blade body 9 and pressing lever 16 connected thereto
Is inclined above the upper blade body 1. Then, when the pressing lever 16 is pressed downward, the lower blade 9
The lever connection portion 13 is pressed downward against the urging force of the leaf spring portion 8, and the cutting edges 1a, 9a of the upper and lower blade members 1, 9 abut against each other.

On the other hand, when not in use, the support shaft 18 of the pressing lever 16 is moved to the rear side of the guide slot 15 of the lower blade body 9,
The force point portion 21 of the pressing lever 16 is moved to the avoidance groove 19 of the lower blade body 9.
And the locking wall 20 of the lower blade body 9 is inserted into the avoidance hole 23 of the leverage lever 16. When the pressing lever 16 is pressed downward, as shown in FIG. 4, the blade edges 1a and 9a of the upper and lower blades 1 and 9 come into contact with each other, and the lever connecting portion 13 of the lower blade 9 and the pressing lever 16 are pressed. Are put in the storage space 6 of the upper blade 1. Push lever 1
6 overlaps on the rear frame 3 of the upper blade body 1, and both locking projections 16 a of the pressing lever 16 are engaged with both locking recesses 4 of the upper blade body 1.
a, 5a.

Further, as shown in FIG. 5 and FIG. 6, when the support shaft 18 of the pressing lever 16 is moved forward along the guide slot 15 of the lower blade body 9, the both locking projections of the pressing lever 16 are moved. The portion 16a is locked by the locking recesses 4a and 5a of the upper blade body 1, and prevents the pressing lever 16 and the lever connecting portion 13 of the lower blade body 9 from rotating upward by the urging force of the leaf spring 8. I do.
In this folded state, the lower blade 9 and the pressing lever 16
The upper and lower blades 1 and 9 and the pressing lever 16 can be compactly folded to reduce the thickness of the nail clipper. Also, when not in use, the blade edges 1a, 9a of the upper and lower blade bodies 1, 9 abut against each other and close,
When the folded nail clipper is put in the pocket, the cutting edge 1a, 9
Therefore, there is no danger of the pocket being damaged by a and the finger or the like being injured by the cutting edges 1a and 9a.

In the folded state shown in FIGS. 5 and 6, if the support shaft 18 of the pressing lever 16 is moved slightly rearward along the guide slot 15 of the lower blade body 9, the state shown in FIG. , The lower blade body 9 is rotated by the urging force of the leaf spring 8,
The use state shown in FIGS. 2 and 3 is obtained. As described above, in the present embodiment, the upper and lower blades 1 and 9 are rotatably supported by the support shaft 14 and the leaf spring 8 is provided between the upper and lower blades 1 and 9. Since the blade body 1 is effectively used as a storage case for the lower blade body 9 and the pressing lever 16,
The operating state and the folded non-operating state can be easily changed simply by moving the pressing lever 16 with respect to the lower blade body 9. Therefore, unlike the case of the related art, a conventional storage case that projects rearward of the lower blade body during use and becomes obstructive is not required, and is very easy to use.

In the embodiment described above, the upper blade body 9 and the pressing lever 16 are held in the upper blade body 1 in the folded state against the urging force of the leaf spring 8 as the upper blade body. 1 and the pressing lever 16, the locking uneven portions 4 a, 5 a,
The push lever 16 is provided so that it can be disengaged by moving the push lever 16. However, instead of such a stopper, for example, the upper blade body 1 and the push lever 16 can be held in the state shown in FIG. May be lockable.

[0017]

According to the present invention, there is provided a nail clipper of a type in which the upper and lower blades 1, 9 are rotatably supported and the spring 8 is provided between the upper and lower blades 1, 9 and is not used. When folded, the upper blade body 1 is effectively used as a storage case for the lower blade body 9 and the pressing lever 16, so that unlike the related art, the upper blade body 1 protrudes rearward from the lower blade body during use and is obstructive. No storage case is required, making it very easy to use.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a foldable nail clipper according to the present embodiment.

FIG. 2 is an assembled perspective view showing a use state of the nail clipper.

FIG. 3 is a sectional view of the same.

FIG. 4 is a cross-sectional view showing a state in which the nail clipper in the used state shown in FIGS. 2 and 3 is being folded;

FIG. 5 is an assembled perspective view showing the folded and unused state.

FIG. 6 is a sectional view of the same.

[Explanation of symbols]

1 upper blade body, 1a blade tip, 6 storage space, 7 shaft support hole,
8 leaf spring, 9 lower blade body, 9a blade tip, 10 shaft support hole,
13 lever connection part, 14 support shaft, 15 guide long hole, 1
6 Pressing lever, 18 Support shaft, 19 Avoidance groove, 21
Power point

Claims (1)

(57) [Claims] An upper blade body (1) and a lower blade body (9) are rotatably supported by an opening / closing central shaft part (7, 10, 14), and are supported by coaxial parts (7, 10, 14). Also, on the tip side, the cutting edges (1a, 9a) are formed on the upper and lower blades (1, 9) to face each other, and a spring (8) is provided between the upper and lower blades (1, 9). The upper blade body (1) in the nail cutter in which the upper and lower blade bodies (1, 9) are urged so as to push and spread each other to separate the cutting edges (1a, 9a) of the upper and lower blade bodies (1, 9). The storage space (6) is provided in the inside, and the pressing lever (16) is moved with respect to the lower blade body (9) with respect to their fulcrums (1).
8) and movably supported by the guide portion (15), the pressing lever (16) can press the lower blade body (9) by the force point portion (21) against the urging force of the spring (8). The use state and the non-use state in which the lower blade body (9) and the pressing lever (16) can be folded into the storage space (6) of the upper blade body (1) can be taken. And foldable nail clippers.