JP2008005896A - Scissors - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide scissors which minimize the fatigue of users with suppressed cutting sounds by making vibrations harder to transmit during cutting actions. <P>SOLUTION: The scissors 1 includes a pair of scissor pieces 2 and 3 having blade body parts 2a and 3a and handle parts 2b and 3b pivoted by a pivot 4, wherein the whole or parts of the scissor pieces 2 and 3 are made of a vibrationproof alloy. In other words, the vibrationproof alloy is interposed between the cutting edges 2c and 3c of the blade body parts 2a and 3a for cutting and finger pad parts 5a and 5a of finger hooks 5 and 5 formed respectively on the handle parts. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a scissors that are less likely to transmit vibration during cutting to the hand and can suppress cutting noise.

In the hairdressing and beauty industry, so-called wet cutting, in which the hair is cut in a damp state, has been practiced. According to such a wet cut, since the wet hair is cut in an extended state, there is a problem that when the hair is dried after the cut, the hair shrinks and it is difficult to obtain a natural hairstyle.
Therefore, so-called dry cuts that cut hair while it is dry are increasing. A barber for hairdressing used for such dry cutting is described in Patent Document 1 below, for example. However, since dry hair is stiff, even with the dry cut wrinkle described in Patent Document 1, vibration (so-called kickback) and sound generated during cutting are large. Therefore, the feeling of “cutting” is transmitted through the hands and ears. By the way, the actual sharpness and the ease of tearing felt from the hands and ears do not necessarily correlate, and the hairdresser feels unsatisfied even though it is actually unhindered, making it easier for the hairdresser to get tired. In other words, the beautician wants a “quiet habit” where the feeling of cutting is not transmitted to the hands and ears as much as possible.

JP 2003-236269 A

  On the other hand, hairdressing and beauty salons with thick and heavy blades are used so as not to lose dry hair. According to such a barber / beauty salon, there is an advantage that the cutting force is reduced because the inertial force of the blade portion is large and the blade portion is less likely to vibrate. However, hairdressers often have barbers for long periods of time in the day, so using the above-mentioned heavy barbers for hairdressing makes the shoulders so stiff that they are very tired and prolong. There was also the risk of suffering from wrist tendonitis.

  The present invention has been made in view of the above-described conventional problems, and it is an object of the present invention to provide a kite that is less likely to transmit vibrations when cutting an object to the hand and can suppress a cutting sound and is less fatigued by a user. To do.

  In order to achieve the above object, the scissors according to the present invention comprise a blade edge of a blade part for cutting an object, and a handle part in a scissors formed by pivotally supporting a pair of scissors pieces having a blade part and a handle part on a support shaft. A vibration damping alloy is interposed between the finger contact portion of the finger hook formed in the above.

  Further, in the above configuration, the damping alloy constitutes a covering that covers the blade portion and / or the handle portion.

  And the scissors according to the present invention are a scissors formed by pivotally supporting a pair of scissors having a blade part and a handle part on a support shaft, and both or one of the cutting edges of the pair of blade parts slidingly contact each other is a damping alloy. It is configured.

  Furthermore, the scissors according to the present invention comprise a pair of scissors having a blade part and a handle part pivotally supported by a support shaft, and at least the finger contact part formed on the handle part is made of a damping alloy. It is what has been.

Although it does not specifically limit as a damping alloy used by this invention, For example, a composite type alloy, a dislocation type alloy, and a twin type alloy can be used.
Examples of the composite alloy include Fe—C—Si alloys and Al—Zn alloys. Dislocation type alloys include Mg—Zr alloys (for example, base material Mg—0.6 atomic% Zr), Mg ₂ —Ni base alloys, Mg—Cu—Mn base alloys (for example, base material Mg—4 atomic%). Cu-2 atomic% Mn), Fe-Ni-Mn based alloy (for example, base material Fe-5 atomic% Ni-15 atomic% Mn), Fe-Mn-Cr based alloy (for example, base material Fe-22 atomic%) Mn-12 atomic% Cr) and the like. In addition, as a twin type alloy, an Mn—Cu—Al—Fe—Ni alloy (for example, a base material Mn—37 atomic% Cu—4.25 atomic% Al—3 atomic% Fe—1.5 atomic% Ni ), Cu—Mn—Al based alloy (for example, base material Cu-40 atomic% Mn-2 atomic% Al), Cu—Mn—Al—Sn based alloy (for example, base material Cu-40 atomic% Mn-2 atom) % Al-2 atom% Sn), Cu-Al-Ni alloy (for example, substrate Cu-14 atom% Al-4 atom% Ni), Cu-Zn-Al alloy (for example, substrate Cu-26 atom) % Zn-5 atom% Al), Ni-Ti alloy, Mn-Cu-Ni-Fe alloy (for example, base material Mn-20 atom% Cu-5 atom% Ni-2 atom% Fe) and the like. . In addition, when using a damping alloy for a blade edge | tip, it is necessary to select the damping alloy which can be hardened.

  According to the scissors according to the present invention, the vibration-damping alloy is interposed between the blade edge of the blade part that cuts the object and the finger contact part of the finger hook. It is attenuated by the damping alloy until it reaches, and the loudness is also suppressed. Therefore, the vibration generated when the object is cut is not directly transmitted to the user's hand, and the cutting sound entering the ear is small. Thus, if the vibration and sound at the time of cutting are small, it feels like it is well cut and the user is less tiring. In addition, since these actions and effects do not change even when a heel is formed in the light, thin shape, thickness, and weight similar to conventional general-purpose products, even if the user holds the heel for a long time, the shoulder is stiffer than before. There is no such thing as getting tired or getting tired easily.

  When the damping alloy is a covering that covers the blade part and / or the handle part, both or one of the cutting edges of the pair of blade parts that are in sliding contact with each other is made of the damping alloy. The same effect can be obtained also when it is made, or when at least the finger contact part of the finger hook formed on the handle part is made of a damping alloy.

The best mode for carrying out the present invention will be described with reference to the drawings. The embodiment described below is merely an example embodying the present invention, and does not limit the technical scope of the present invention. Here, FIG. 1 is a plan view showing an open state of a ridge according to an embodiment of the present invention.
In the figure, a scissors 1 according to this embodiment is a barber / beauty scissor used for haircut, and is mainly composed of a pair of scissors pieces 2 and 3 and a support shaft 4 connecting the scissors pieces 2 and 3. ing. The support shaft 4 includes a through-hole 11 (see FIG. 2) formed in a substantially central portion in the longitudinal direction of the flange piece 2 and a through-hole 12 (see FIG. 2) formed in a substantially central portion in the longitudinal direction of the collar piece 3. ) And is screwed with a nut or the like to pivotally support the hook pieces 2 and 3. The heel piece 2 is divided into a blade part 2a having a cutting edge 2c for cutting hair and a handle part 2b operated by a finger, with the through hole 11 as a boundary. The scissors piece 3 is divided into a blade part 3a having a cutting edge 3c for cutting hair and a handle part 3b operated by a finger with the through hole 12 as a boundary. The inner surfaces of the blade portions 2a, 3a (opposite surfaces facing the other flange pieces) are concave surface portions 2d, 3d, respectively.

  For example, a ring-shaped finger hook 5 for passing a middle finger is formed at the tip of the handle 2b, and a ring-shaped finger hook 5 for passing a thumb is formed at the tip of the handle 3b. A finger hooking projection 7 for hooking a ring finger is provided on the finger hook 5 of the handle 2b. The finger hook 5 of the handle portion 3b is provided with a synthetic rubber sound stop member 6 for suppressing a contact sound generated when it comes into contact with the finger hook 5 of the handle portion 2b. Depending on the user's preference, a rubber ring cover 8 (indicated by a two-dot chain line in FIG. 1) may be attached to the finger hooks 5, 5 of the handle portions 2b, 3b.

  In the pair of scissors pieces 2 and 3 described above, the entire blade parts 2a and 3a and the handle parts 2b and 3b are made of a vibration-damping alloy. In this embodiment, a manganese-based damping alloy (product model number M2052 manufactured by Seishin Co., Ltd.) was used as the damping alloy. The damping alloy M2052 is a twin-type alloy containing manganese as a base material and containing 20 atomic% of copper, 5 atomic% of nickel, and 2 atomic% of iron in the whole alloy. Further, the damping alloy M2052 can be welded to a steel material or quenched.

  In the scissors 1 configured as described above, the entire pair of scissors pieces 2 and 3 excluding the support shaft 4 and the sound retaining member 6 are composed of the vibration-damping alloy M2052, so that the hair is cut in the dry cut operation. The vibration and cutting noise generated at the cutting edges 2c and 3c are small. Further, the generated vibrations are attenuated by the hooks 2 and 3 and become much smaller before reaching the finger hooks 5 and 5 and the finger hook protrusion 7. Therefore, the vibration generated during dry cutting is hardly transmitted to the hairdresser's hand and the cutting sound entering the ear is small. In this way, when the vibration and sound at the time of cutting are small, the hairdresser will feel “cut well” and the hairdresser will be less tired sensuously. This does not change even when the heel 1 is formed in a light, thin shape, thickness, and weight as with conventional products, so even if the beautician holds the heel 1 all day, it causes more stiff shoulders and fatigue. It will not be easy. That is, the bag 1 of the present embodiment can be suitably used for hairdressing and beauty dry cutting.

  In the above embodiment, an example in which the entire blade part and handle part of the pair of scissors pieces are made of a damping alloy has been shown, but the scissors of the present invention are not limited thereto. For example, like a scissors 1A shown in FIG. 2, the entire blade part 2a and a part of the handle part 2b of the scissor piece 2A are composed of a vibration-damping alloy part 13 made of a vibration-damping alloy, and the blade part 3a in the scissor piece 3A. A structure in which the whole and a part of the handle portion 3b are composed of a vibration damping alloy portion 14 made of a vibration damping alloy is also included in the present invention. The damping alloy portion 13 of the flange piece 2A and the damping alloy portion 14 of the flange piece 3A both use a punched product obtained by punching a raw damping alloy plate with a laser. The damping alloy portion 13 of the flange piece 2A is joined to the remaining portion of the handle portion 2b by welding. The damping alloy portion 14 of the collar piece 3A is also joined to the remaining portion of the handle portion 3b by welding. Since the vibration-damping alloy is interposed between the blade edges 2c and 3c of the blade parts 2a and 3a (see FIG. 1) and the finger contact parts 5a and 5a of the finger hooks 5 and 5, the scissors 1A having such a configuration is also generated during dry cutting. The vibrations are hardly transmitted to the hairdresser's hand and the sound of cutting into the ear is small. In addition, as a damping alloy part, it is also possible to use a forged product or a cast product for mass production instead of the punched product described above.

  On the other hand, in FIG. 2, from the tip of the blade parts 2a, 3a to the position indicated by the alternate long and short dash line B is composed of a vibration-damping alloy, and from the alternate long and short dash line B to the finger hooks 5, 5 is composed of a general-purpose steel material. The vibration alloy and the general-purpose steel material may be connected by welding. The cocoon having such a configuration can obtain the same actions and effects as the cocoon 1A.

  Further, as shown in FIG. 3B, the entire concave surface portion 2d of the blade portion 2a and the inner facing surface of the handle portion 2b of the blade piece 2B are covered with a covering 9 made of a damping alloy. A configuration in which the entire concave surface portion 3d of the blade portion 3a and the inner facing surface of the handle portion 3b are configured by the covering 10 made of a damping alloy is also included in the present invention. These coverings 9 and 10 are vibration-damping alloy thin plate materials, and are attached by welding in a state of covering the surface of a steel material as a base. In the above, the inner facing surfaces of the collar piece 2B and the collar piece 3B are covered with the coverings 9 and 10, but the entire surface of the collar piece 2B and the collar piece 3B including the outer surface is covered with a damping alloy. You may coat with.

  As shown in FIG. 1, the scissors according to the present invention have both the blade edges 2 c and 3 c of the pair of blade parts 2 a and 3 a in sliding contact with each other with the damping alloy portions 15 and 16 (indicated by a two-dot chain line in FIG. 1). It may be replaced with Furthermore, what comprised either the blade edge | tips 2c and 3c with the damping alloy is also contained in this invention.

  Further, as shown in FIG. 1, in the bag according to the present invention, portions of the handle portions 2b and 3b from the position indicated by the alternate long and short dash line A in the figure to the previous finger hooks 5 and 5 and the finger hook protrusions 7 are made of a damping alloy. You can do it. Alternatively, the finger rests 5a and 7a on the inner peripheral surface that the finger touches at the time of use in the finger hooks 5 and 5 or the finger hook protrusions 7 may be made of or coated with a damping alloy. Furthermore, the part between the dashed-dotted lines A-AA in the handle | pattern parts 2b and 3b can also be comprised with a damping alloy, respectively.

  The scissors 1C shown in FIG. 4 are barbers for hairdressing and beauty, and are mainly composed of a pair of scissors pieces 20 and 21 and a support shaft 4 that pivotably supports the scissors pieces 20 and 21. ing. The flange piece 20 is divided into a bar blade 20a and a handle portion 20b with the position of the support shaft 4 as a boundary. The collar piece 21 is divided into a comb blade 21a and a handle portion 21b with the position of the support shaft 4 as a boundary. In the comb blade 21a, a plurality of comb teeth portions 21c, 21c, 21c,... Are formed at intervals in the hook longitudinal direction. And as for a pair of above-mentioned collar piece 20,21, the rod blade 20a, the comb blade 21a, and the handle | pattern parts 20b and 21b whole are comprised with the damping alloy.

  In this ridge 1C, the vibration generated when the cutting edge 20c of the bar blade 20a and the comb tooth portion 21c of the comb blade 21a cross and dry the hair in a dry state is hardly transmitted to the hairdresser's hand and enters the ear. Cutting sound is low. In such a firewood, most of the parts are made of general-purpose steel, and only the tip edge of the comb teeth 21c, 21c, 21c,... Of the comb blade 21a or only the blade edge 20c of the bar blade 20a is a damping alloy. Even if it is replaced with or covered with, it is possible to achieve a corresponding effect.

  The bag of the present invention described above is not limited to the above-mentioned barber for hairdressing and beauty, but can be applied to industrial handbags, sewing bags, office bags, schoolchildren bags, and other bags.

It is a top view which shows the aspect with the open eyelid which concerns on one Embodiment of this invention. It is a sectional side view which shows the closed aspect of the scissors concerning another embodiment of this invention. It is a sectional side view which shows the closed aspect of the scissors concerning another embodiment of this invention. It is a top view which shows the aspect with the open eyelid which concerns on other embodiment of this invention.

Explanation of symbols

1, 1A, 1B, 1C 鋏 2, 2A, 2B, 3, 3A, 3B, 20, 21 Blade pieces 2a, 3a Blade portions 2b, 3b, 20b, 21b Handle portions 2c, 3c, 20c Cutting edge 4 Support shaft 5 Finger hook 5a, 7a Finger contact 7 Finger hooking protrusion (finger hook)
9, 10 Covering body 13, 14, 15, 16 Damping alloy part 20a Bar blade (blade part)
21a Comb blade (blade)
21c comb teeth

Claims (4)

In a scissor that is formed by pivotally supporting a pair of scissors having a blade part that cuts an object and a handle part that is operated by a finger on a support shaft, a blade edge of the blade part, and a finger contact part of a finger hook formed on the handle part, A fistula characterized in that a damping alloy is interposed between them. The rod according to claim 1, wherein the damping alloy constitutes a covering that covers the blade part and / or the handle part. In a scissors that pivotally supports a pair of scissors having a blade part that cuts an object and a handle part that is operated by a finger on a support shaft, both or one of the cutting edges of the pair of blade parts that are in sliding contact with each other is a damping alloy. A bag characterized by being composed. In a scissor that is formed by pivotally supporting a pair of scissors having a blade part that cuts an object and a handle part that is operated by a finger with a support shaft, at least the finger contact part formed on the handle part is made of a damping alloy.鋏 which is characterized by being.

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