JP2000288264A - Hair dressing scissors - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operability by preventing the entry of fine hair pieces into hair dressing scissors having a resin packing provided in a pivotally connecting part. SOLUTION: In a shape formed by opposed circular recessed parts 6a and 6b at the time of pivotal connection, a circular vessel shaped cover body 7 rotating together with one of blade bodies and a doughnut disk shaped resin packing 8 abutting on the bottom surface of the other recessed part 6b and rotating together with the other one of blade bodies 1b which face the bottom surface of the recessed part of one of blade bodies 1a and the outer peripheral surfaces of the recessed parts of both the blade bodies are fitted to the opposed circular recessed parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to barber scissors.

[0002]

2. Description of the Related Art The basic structure of scissors is to cross a pair of swords in an X-shape and to form an axial hole passing through both swords, as is well known.
The intersection is pivotally connected by a pivot shaft inserted through the shaft hole. In these barber scissors, a resin packing (washer-shaped intermediate part) is attached to the pivot so that the sword body can be opened and closed smoothly while absorbing the delicate swing that occurs when cutting hair and receiving a certain amount of pressing force. (For example, Japanese Patent Publication No. 57-50517 and Japanese Utility Model Application Laid-Open No. 7-12073). The basic structure of this resin packing interposition is that a single packing is fitted into a recess formed on the opposing surface of the sword body. Are rubbed while receiving the pressing force in the direction of the pivot axis.

[0003]

By the way, the hair cut at the time of barber becomes a fine cut piece and may adhere to the barber scissors. When the fine piece enters the above-mentioned rubbing surface, the hair is cut off. The usability becomes worse. In particular, fine hair fragments may enter the gap between the pivot shaft and the shaft hole from the head or nut portion of the pivot shaft, but since the portion is always in close contact, the penetration is small, and most of them Is attached to the surface of the blade that opens and closes, moves by micro-vibration in the pivot axis direction, and fine hair fragments adhere to the outer peripheral surface of the packing that is exposed in the gap between the blades. In this way, the gasket enters into the inside of the container, and enters the sliding surface between the packing and the bottom surface of the concave portion.

Accordingly, the present invention proposes a novel barber scissor which reduces the invasion of the hair piece into the pivotal portion and further prevents the hair from intruding into the rubbing surface.

[0005]

A barber scissor according to the present invention comprises:
A barber scissors in which a pair of swords are crossed over X, and the crossing part is connected with a pivot shaft that penetrates both swords. In the space formed by the circular concave portions facing each other at the time of pivoting, a circular container-shaped metal cover body facing the concave bottom surface of one sword body and the peripheral surfaces of both concave portions, A doughnut-shaped resin packing (a washer-shaped interposed member) that is closely fitted inside the cover body and abuts against the bottom surface of the other concave portion is mounted in the opposed circular concave portion. It is.

Therefore, when the packing is fitted into the cover body, the whole structure is the same as that of the conventional donut-shaped intermediate member. And pinch both swords to pivot. When the sword body is opened and closed, the cover body and the packing basically rotate together with each sword body, and the inner bottom surface of the cover body and the fitting bottom surface of the packing form a sliding surface.

[0007]

Next, an embodiment of the present invention will be described. The basic configuration of the barber scissors of the embodiment is such that a pair of swords having finger holes 2a and 2b formed at the ends of the swords 1a and 1b are crossed in an X-shape, as in the conventional barber scissors, and a shaft hole is formed at the crossing portion. 3a, 3b
And a tightening nut 5 is screwed to a pivoting bolt (pivot shaft) 4 that penetrates the shaft holes 3a and 3b and pivotally connected.

The present invention particularly relates to the above-mentioned barber scissors, in which shaft holes 3a, 3b are respectively formed on opposing surfaces of the swords 1a, 1b of the pivot portion.
The circular recesses 6a and 6b around the center b are formed, and a packing structure in which a packing 8 is incorporated inside the cover body 7 is attached to the circular recesses 6a and 6b facing each other at the time of pivoting.

The cover body 7 is made of a thin metal plate, and is in close contact with the space between the opposed recesses 6a and 6b on the bottom surface 61a of the one sword body 1a and on the peripheral surfaces 62a and 62b of both recesses. It is in the shape of a circular container having a bottom surface 71 and a peripheral surface 72 which are in contact with each other. The cover body 7 is formed so as to have the same flat shape as the shaft hole 3a of the sword body 1a or to have a shape that fits tightly into the concave portion 6a in order to have a structure that can rotate with the blade body 1a. Become.

[0010] The packing 8 is made of a doughnut-shaped resin which is fitted and mounted inside the cover body 7 and abuts against the concave bottom surface 61b of the other sword body 1b. Attach it with a structure to rotate around.

The cover body 7 and the packing 8 are combined and fitted into the opposed circular recesses 6a and 6b, the pivot bolt 4 is inserted through and the tightening nut 5 is screwed and tightened. In the use state by opening and closing the blades 1a and 1b, the packing 8 has a predetermined cushioning action (which is more flexible than a metal body), thereby absorbing a minute swing. Further, the cover body 7 is integrally rotated with one of the sword bodies 1a, and a packing 8 is provided.
When the contact resistance with the bottom surface of the concave portion 6b is larger than the contact resistance with the cover body 7, the other blade body 1b naturally rotates. If the magnitude of the contact resistance is opposite, an appropriate co-rotating structure is provided. Therefore, the sliding portion at the time of the operation is the inner surface of the bottom portion 71 of the cover body 7 and the packing 8.
Of the front surface 81.

Regarding the penetration of the fine hair pieces in the direction of the axial hole, since the cover body 7 is co-rotated with one of the swords 1a, the entangling of the hair pieces is reduced by half, and the entangled hair pieces are further reduced. To reach the sliding surface, the peripheral surface 7
2 has to be moved inside, and the path length becomes very long. Therefore, the inconvenience due to the penetration of the fine hair piece into the joint is almost eliminated.

In the above-described embodiment, since the outer packing 7 and the inner packing 8 are independently assembled, an assembling operation in the case of, for example, resharpening the sword body becomes complicated. Therefore, if the cover body 7 and the packing 8 are formed in advance as a unitary structure, the above-mentioned problem is solved. Specifically, as shown in FIG. 5, the periphery of the bottom surface (exposed surface) of the packing 8 is formed to have a slightly smaller diameter, and the distal end portion 73 of the peripheral surface portion 72 of the cover body 7a is caulked in the center direction. When the caulking portion 73 is located at the outer periphery of the small diameter portion 82 of the packing 8 housed inward and the two are integrated, it can be used as a single component.

In the drawings of the above-described embodiment, the inner bottom surface of the concave portion is inclined so that the sliding portion is provided on the finger hole side from the center of the pivot shaft. Correspondingly, the pivoting portion is used as a fulcrum, so that a lever action of strongly pressing between the blade edges of the sword body is exerted, and the resin packing may correspond to the concave form in advance, or conversely, The lever action may be exerted by changing the form of the sword body concave contact surface of the resin packing with respect to the non-inclined bottom surface.

Further, the structure of the pivot portion of the present invention is not limited to the above embodiment, and the specific structure of the pivot portion, the pivot bolt, the tightening nut and the like constituting the pivot portion may be arbitrarily determined. You can do it.

[0016]

The present invention relates to a barber scissor, in particular, a circular recess is formed on the opposite surface of a resin packing sword body at a pivot portion, and a double inner and outer structure is formed in this recess. The elastic member absorbs the fine swing of the pivotal connection portion and prevents the fine hair pieces from entering the rubbed portion.

[Brief description of the drawings]

FIG. 1 is an overall view of an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the same.

FIG. 3 is a sectional view of the pivot joint.

FIG. 4 is an explanatory diagram of the same operation.

FIG. 5 is an explanatory view of another example of the combination of the cover body and the packing.

[Explanation of symbols]

 1a, 1b Sword body 2a, 2b Finger hole 3a, 3b Shaft hole 4 Pivot bolt 5 Tightening nut 6a, 6b Ring-shaped recess 61a, 61ab Bottom 7 Cover body 71 Bottom part 72 Peripheral part 73 Caulking part 8 Inner packing 81 Front 82 Small diameter Department

Claims (1)

[Claims] 1. A barber scissors comprising a pair of swords crossed in an X-shape and a crossed portion pivoted by a pivot shaft penetrating both swords. A circular recess centered on each shaft hole is formed, and in a space formed by the circular recesses facing each other at the time of pivoting, a circular container-shaped metal made of a circular container facing the recess bottom surface of one of the sword bodies and the peripheral surfaces of both recesses. A barber scissor comprising: a cover member; and a donut-shaped resin-made intermediate member fitted inside the cover member and in contact with the bottom surface of the other recess, which is mounted in the opposed circular recess. .