JP3621640B2 - Barber spring plate - Google Patents

Description

[0001]
[Industrial application fields]
The hairdressing scissors are made by combining two scissors, and this invention relates to a spring plate used when connecting the two scissors.
[0002]
[Prior art]
As the conventional spring plate, one end surface of a bent metal plate or a relative one such as the spring plate 4 of the utility model registration No. 3062233 shown in FIG. 1 and the spring plate 4 of the utility model registration No. 3062234 shown in FIG. In the same manner, a part of a circular metal plate is cut out, such as one provided with rotation control projections 8 projecting in the same direction on both end surfaces, or a spring plate disclosed in Japanese Patent Laid-Open No. 9-217725 shown in FIG. A step portion 15 is formed by overlapping and fixing a metal plate having a diameter, and a rotation control projection 8 is provided on the lower surface end portion of the step portion 15, and the rotation control projection is formed on the upper surface of the notched metal plate. For example, a tongue piece 16 that can be engaged with the blade body 1a is provided at the opposite end.
[0003]
[Problems to be solved by the invention]
As shown in FIG. 4, the hairdressing scissors are formed by connecting the blades 1a and 1b in an overlapping manner. However, in order to smoothly cut hair that is stronger than a copper wire of the same diameter, the sharpness of the blade is also reduced. In particular, both the blades are opened and closed smoothly so that the user's hand does not get tired, and the blades 1a and 1b are shaken during the opening and closing operation so that the hair is not pinched between the blades. Is to do. For this reason, the blades 1a and 1b are not simply tightened with the screw 2 and the nut 3, but the spring plate 4 is mounted between the screw 2 and the nut 3. The mounting method is the blades 1a and 1b. After fitting the connecting hole 6 of the spring plate 4 into the square body 5 of the screw 2 through which the screw is passed, the nut 3 is screwed into the screw 2 and the spring is inserted into the rotation control groove 7 dug in the lower surface of the nut 3. The tip of the rotation control projection 8 of the plate 4 is inserted.
[0004]
As a result, the degree of tightening of the blade bodies 1a and 1b is not directly linked to the degree of tightening of the screw 2 and nut 3, but the degree of bending of the spring plate 4 that changes the bending gap 12 generated between the spring plate 4 and the blade body 1a. In order to be taken into account, by adjusting the tightening of the spring plate 4 by the nut 3, the blade bodies 1a and 1b can be smoothly opened and closed and a fine tightening degree that does not cause blurring can be adjusted. As long as the nut 3 is not rotated by hand, the rotation control groove 7 does not get over the rotation control projection 8, so that the nut 3 naturally loosens during use of the heel and the tightening degree changes, and the haircut fails. There is no fear.
Therefore, there is no problem in that respect because the conventional spring plate 4 can sufficiently achieve the effect, but any of them has a drawback that the mounting is wrong. In other words, since the spring plate 4 is thin and small, it is difficult to pick it up, and it may be mounted in an inverted state. In that case, the initial adjustment of the degree of bending of the spring plate is possible, but it can be rotated. Since the control protrusion 8 is not inserted into the rotation control groove 7, the nut 3 is loosened during hair conditioning and the tightening degree changes, making it difficult to make a beautiful cut. I will have to.
Although this does not always happen, it should be said that this is an important problem that cannot be overlooked.
[0005]
[Means for Solving the Problems]
The spring plate according to the present invention bends or curves the arc portions 10 and 11 that follow the two opposite sides of the connecting hole 6 that can be fitted to the screw 2 in directions opposite to each other. The above-mentioned problems are solved by providing rotation control projections 8 and 9 on the top surface of the tip end 10 and the bottom surface of the tip end of the arc portion 11, respectively.
[0006]
[Action]
Since the spring plate 4 according to the present invention has a symmetrical shape structure, the rotation of the nut 3 which is always tightened by one of the rotation control protrusions 8 or 9 is fitted to the screw 2 from any plane direction. Since the bending gap 12 between the nut 3 or the blade body 1a and the spring plate 4 is inserted into the control groove 7, the degree of bending can be finely adjusted in the same way, and the nut 3 is loosened and cut naturally during haircutting. There is no such thing as going wrong.
That is, the spring plate 4 according to the present invention does not need to be taken care of for mounting and cannot be mistaken.
[0007]
【Example】
Hereinafter, the embodiment will be described with reference to the accompanying drawings. As shown in FIG. 5, the spring plate 4 according to the present invention is a stainless steel plate having a thickness of 0.2 mm and has the same diameter as the diameter of the rotation control groove 7 of the nut 3. A square connecting hole 6 that has a circular shape and can be fitted just to the square cylinder 5 of the screw 2 is opened at the center. And after forming the refracting lines 13 and 14 in parallel with the two opposite sides of the connecting hole 6, the both end arc portions 10 and 11 are bent vertically and symmetrically at appropriate angles according to the refracting lines. Rotation control projections 8 and 9 that can be inserted into the rotation control groove 7 formed in the bottom surface of the nut 3 are provided symmetrically on the top end surface of the arc portion 10 and the bottom end surface of the arc portion 11. Is. Further, another embodiment will be described. As shown in FIG. 6, the arc portion 10 continuing to one of the two opposite sides of the connecting hole 6 is curved in a mountain shape, and the arc portion 11 following the other is curved in a valley shape. As a result, the entire shape is formed into a waveform, and the rotation control protrusions 8 and 9 are provided to protrude from the top surface of the tip of the arc portion 10 and the bottom surface of the tip of the arc portion 11, respectively.
[0008]
【The invention's effect】
As described above, if the spring plate 4 according to the present invention is used, the blade bodies 1a and 1b can be smoothly opened and closed, and the tightening degree of the nut 3 can be finely adjusted so that no blurring occurs. In addition, even if it is fitted to the screw 2 from either the front or back surface, the degree of flexure can be adjusted by the stepwise tightening of the nut 3 in the same way, and the nut 3 can be loosened and bent naturally during hairdressing. It is possible to obtain an effect in which there is no possibility that a deviation will occur every time.
[Brief description of the drawings]
FIG. 1A is a front view of a spring plate of utility model registration No. 3062233, FIG. 1B is a plan view thereof, and FIG.
2A is a front view of a spring plate of utility model registration No. 3062234, and FIG. 2B is a plan view of the same.
3A is a perspective view of a spring plate disclosed in Japanese Patent Application Laid-Open No. 9-217725, and FIG. 3B is a cross-sectional view showing a use state.
4A is a front view of a hairdressing scissor, and FIG. 4B is a cross-sectional view showing a state in which a screw, a nut, and a spring plate are attached to a blade body.
5A is a front view showing an embodiment of a spring plate according to the present invention, FIG. 5B is a plan view thereof, and FIG. 5C is a sectional view showing a use state.
6A is a front view showing another embodiment of the spring plate according to the present invention, and FIG. 6B is a plan view of the same.
[Explanation of symbols]
1a1b Blade body 2 Screw 3 Nut 4 Spring plate 5 Square body 6 Connection hole 7 Rotation control groove 8, 9 Rotation control projection 10, 11 Arc part 12 Bending gap 13, 14 Refraction line 15 Step part 16 Tongue piece

Claims (2)

After the stainless steel plate is formed in a circular shape having the same diameter as the rotation control groove (7) of the nut (3), a square connecting hole that can be fitted just to the square body (5) of the screw (2) in the center After opening (6) and forming a refracting line (13) (14) parallel to the two opposite sides of the connecting hole (6), arcs at both ends are formed according to the refracting line (13) (14). The portions (10) and (11) are bent vertically and symmetrically at an appropriate angle, and the rotation control groove (the nut (3) is formed on the upper end surface of the arc portion (10) and the lower end surface of the arc portion (11). 7) By turning the protrusions (8) and (9) so that they can be fitted to each other, the nut (3) is tightened step by step even if it is fitted to the screw (2) from either front or back side. It is possible to adjust the subtle degree of flexion by, and the tightening of the nut (3) is loosened naturally during hairdressing. The spring plate of hairdressing scissors, characterized in that there is no fear that had occurs. By curving the arc portion (10) following one of the two opposite sides of the connecting hole (6) in a mountain shape and curving the arc portion (11) following the other in a valley shape, the overall shape becomes a waveform. The spring plate of the hairdressing scissors according to claim 1, characterized in that it is configured as described above.

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