JP2002018160A - Finger insertion type safety razor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a finger insertion type safety razor by which a hair is easily and safely cut to obtain a hair stream without burden on fingers and a wrist. SOLUTION: The finger insertion type safety razor is the one by which hair is safely cut without a force in hand and which is provided with a razor edge holding part having comb shape teeth, a finger insertion ring which is fixed or fitted to the razor edge holding part, a cover mounted on the holding part, a fixing part for fixing the holding part and the cover and a razor edge which is held between the holding part and the cover and whose edge is held at the inner side of the comb shape teeth.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a finger-insertion-type safety razor that can be worn on a finger and can easily and safely cut hair.

[0002]

2. Description of the Related Art In recent years, there has been a growing interest in hair styles, and as a result, hair styles have always been beautiful, and the number of hair cuts by individuals over a certain period has been remarkably increasing. In addition, hair designs continue to diversify, and hair cutting techniques have been regarded as important in order to realize various hair designs.

[0003] However, as the number of hair cuts increases, the burden on the fingers and wrists of the hairdresser and the like increases. In addition, the work of cutting hair beautifully requires skilled skills, and with conventional tools, there is a large difference in the finish depending on the person who cuts the hair, and it takes a lot of time and money to learn the technique, so new There are many technicians and beauty salons who cannot work on hair design. In addition, when cutting hair using scissors, only the determined fingers are kept moving for a long time, so that the burden on the fingers is large, and tendonitis tends to occur. For this reason, razors have been developed that cut the hair safely without putting a burden on the hands and easily checking the condition of the hair. A razor having such a purpose is disclosed in
Japanese Patent Application Publication No. 154436 (hereinafter referred to as “A”) discloses “a finger-mounted safety razor”. Hereinafter, a safety razor disclosed in Japanese Patent Publication No. A will be described with reference to the drawings. FIG. 4 is a perspective view of a safety razor disclosed in Japanese Unexamined Patent Publication A. In FIG. 4, reference numeral 16 denotes a finger-mounted safety razor,
17 is a protective cover part, 18 is a finger insertion guide formed behind the protective cover part 17, 19 is a razor blade mounted in the protective cover part 17, and 20 is a longitudinal part in front of the protective cover part 17. Comb-shaped teeth formed perpendicular to the direction, 21
Is a space formed inside the protective cover portion 17, 22 is a finger insertion portion formed on the finger insertion guide 18, 23 is a finger guide formed on the outer peripheral wall of the finger insertion guide 18, and 24 is a finger insertion. A notch 25 formed on the back side of the guide 18 is a finger hook formed on the outer peripheral wall of the finger insertion guide 18 on the back side.

[0004] The operation of the conventional finger-mounted safety razor configured as described above will be described below. First, the finger is inserted into the finger insertion portion 22 through the finger insertion guide 18 in the direction in which the abdomen of the finger coincides with the protective cover portion 17, and the finger is hooked on the finger hook 25. Thereby, the finger-mounted safety razor 16 can be stably mounted on the finger. Next, the comb-shaped teeth 20 are lightly applied to the hair so that the fingers are parallel to the flow of the hair from the crown to the neck, and the hand is moved along the flow of the hair to cut the hair. At this time, since a gap is formed between the cutting edge of the razor blade 19 and the outer peripheral surface of the protective cover portion 17, the cutting edge of the razor blade does not come into contact with the skin during use, and the hair can be cut safely. .

[0005]

However, the above-mentioned conventional safety razor has the following problems. (1) The finger cannot be bent, and only the wrist is moved while applying force to the hand. (2) Since the space 21 is provided inside the protection cover 17, when the razor blade 19 comes off the protection cover 17, the razor blade 19 comes out of the space 21 and is injured. There was a problem that there was a risk of doing. (3) Since the space 21 is provided inside the protective cover 17, there is a problem that the cut hair enters the space 21 and the hair must be removed. (4) When the hand is moved perpendicular to the hair flow from the forehead to the back of the head, the cut hair immediately enters the space 21 and can be used only along the flow of the hair. There was a problem that it was not possible to make a perfect hair style.

A finger-insertion-type safety razor according to the present invention solves the above-mentioned conventional problems, and does not place a burden on fingers and wrists, can cut hair so that hair flows, and can be used safely. It is intended to provide a safety razor.

[0007]

In order to solve the above-mentioned problems, a finger-insertion-type safety razor according to the present invention comprises a razor blade holder having comb teeth and a finger fixed or fitted to the razor blade holder. An insertion ring, a cover mounted on the razor blade holding portion, a fixing portion for fixing the razor blade holding portion and the cover, and a razor blade holding portion and the cover sandwiched between the cover and the cutting edge are inside the comb-shaped teeth. And a razor blade held by the head. With this configuration, it is possible to provide a finger-insertion-type safety razor that can be used simply and safely simply by inserting it into the finger without burdening the hand because the finger and the wrist can be moved freely.

[0008]

DETAILED DESCRIPTION OF THE INVENTION A finger-insertion-type safety razor according to a first aspect of the present invention includes a razor blade holding portion having comb-like teeth, and a finger insertion ring fixed or fitted to the razor blade holding portion. A cover attached to the razor blade holding portion, a fixing portion for fixing the razor blade holding portion and the cover, and a razor blade holding portion and the cover sandwiched between the razor blade holding portion and the cover. And a razor blade. With this configuration, the following operation is provided. (1) Since the cutting edge of the razor blade is held inside the comb-shaped teeth, the finger is inserted into the finger insertion ring, and even if the comb-shaped teeth touch the palm, the razor blade does not come in contact with the hand and is safe. Can be used. (2) Since the razor blade is sandwiched between the razor blade holding portion and the cover, and the razor blade holding portion and the cover are fixed by the fixing portion, the razor blade may come off from the razor blade holding portion. No, it can be used safely. (3) Since the cover and the razor blade are detachable, the razor blade that has become uncut can be replaced with a commercially available razor blade, and the reusability is excellent. (4) Since the safety razor can be attached to the base of the finger, the finger can be bent and the hair can be stably attached without applying force to the finger or wrist, so that the hair is cut without burdening the finger or wrist. Can be. (5) Since it is not necessary to apply force to a finger or a wrist, tendonitis is less likely to occur. (6) Since fingers and wrists can be moved freely, hair can be cut while grasping the state of hair with the entire palm. (7) Since the safety razor is attached to the base of the finger, the hair can be cut without the burden of the weight of the safety razor on the hand. (8) Since fingers and wrists can be moved freely, it is possible to realize a cut with natural flowing hair. (9) When the razor blade holder and the finger insertion ring are fitted, the amount of hair to be cut can be adjusted by selecting razor blade holders having comb-shaped teeth of different lengths. (10) When the razor blade holder and the finger insertion ring are fitted, the finger insertion ring is detachable, so that the finger insertion ring can be replaced according to the size of the fingers of the worker or the number of fingers to be inserted. It can be used and has excellent versatility. (11) By using different sizes of covers, the length of the comb-shaped teeth covered by the cover can be changed, and the length of the comb-shaped teeth exposed from the cover can be changed, and the amount of hair cut can be adjusted. can do.

Here, it is preferable that the short side of the finger insertion ring has a curved shape in which the front side (the razor blade holding portion side) bulges in accordance with the shape of the finger. Stainless steel, aluminum, ceramics, etc. can also be used as the material of the finger-insertion-type safety razor, but in order to reduce the weight and reduce the burden on the hand, each member except the razor blade is made of synthetic resin. Is preferable.

According to a second aspect of the present invention, there is provided the finger-insertion-type safety razor according to the first aspect, wherein the angle α formed between the comb-like teeth and the short side at the bottom of the finger insertion ring is 120 to 120.
It has a configuration of 140 °, preferably 125-135 °. With this configuration, the following operation is obtained in addition to the operation of the first aspect. (1) The angle α formed between the comb-shaped teeth and the short side at the bottom of the finger insertion ring is 120 to 140 °, preferably 125 to 135 °.
Therefore, hair easily enters between the teeth of the comb teeth, and the hair can be easily cut. (2) The angle α formed between the comb-shaped teeth and the short side at the bottom of the finger insertion ring is 120 to 140 °, preferably 125 to 135 °.
Therefore, the cut hair can be cut continuously without being entangled between the palm and the finger-insertion-type safety razor.

Here, as the angle α between the comb-shaped teeth and the short side at the bottom of the finger insertion ring becomes smaller than 120 °, the cut hair is easily entangled between the palm and the finger-insertion type safety razor. As the size increases, the gap between the palm and the hair increases, which tends to make it difficult to grasp the state of the hair with the palm, which is not preferable.

According to a third aspect of the present invention, there is provided a finger-insertion-type safety razor according to the first or second aspect, wherein an angle formed between a comb-shaped tooth and a center line of a long side of the finger insertion ring. β has a configuration of 0 to 25 °, preferably 0 to 15 °. According to this configuration, in addition to the function obtained in claim 1 or 2, the following function is provided. (1) Since the angle β formed between the comb-like teeth and the center line of the long side of the finger insertion ring is 0 to 25 °, preferably 0 to 15 °, the razor blade is turned from the top of the neck with the wrist lowered. Can be applied in parallel to the flow of hair to the hair, and can cut the hair without straining the wrist. (2) Because it can be used in a comfortable state with the wrist lowered lightly, the fingers and wrist can be moved more naturally,
Gives a natural flow to hair and can cut hair beautifully. (3) Unlike the case where the razor blade is applied parallel to the hair flow and the hand is moved from the frontal to the back of the head, the razor blade is applied perpendicular to the hair flow and the hand is moved in the hair flow direction. , Gives a natural flow to your hair and can cut your hair beautifully.

Here, as the angle β between the comb teeth and the center line of the long side of the finger insertion ring becomes negative, the wrist must be raised in order to turn the hand sideways, and it becomes larger than 25 °. As a result, there is a tendency that the wrist has to be greatly lowered, which is not preferable because it places a burden on the wrist.

According to a fourth aspect of the present invention, there is provided a finger-insertion-type safety razor according to any one of the first to third aspects, wherein the fixing portion projects from the razor blade holding portion or the cover. And a razor blade holding portion or a cover having no projection provided thereon and engaged with the projection.
And a configuration including: With this configuration, the following operation is obtained in addition to the operation obtained in any one of the first to third aspects. (1) Since the projection is inserted into the hole of the razor blade, the razor blade does not come off the razor blade holding portion and can be used safely. (2) Since the projection is engaged with and fixed to the rail, the cover does not come off from the razor blade holder, and the razor blade held between the razor blade holder and the cover is also a razor blade holder. And can be used safely. (3) Since the razor blade holding portion and the cover are fixed by engaging the projection with the rail, the razor blade holding portion and the cover can be easily attached and detached, and the razor blade can be easily removed. It can be replaced and is excellent in repeated use.

According to a fifth aspect of the present invention, there is provided a finger-insertable safety razor according to any one of the first to fourth aspects, wherein the fixing portion is provided on the razor blade holding portion or the cover. And a hook provided on the razor blade holder or the cover without the hook. With this configuration, the following operation is obtained in addition to the operation obtained in any one of the first to fourth aspects. (1) Since the razor blade holding portion and the cover can be securely fixed by hanging the hooking piece on the hooking portion, there is no danger that the razor blade is detached from the razor blade holding portion, and the razor blade can be used safely. it can.

Here, the hooking portion and the hooking piece may be any as long as the razor blade holding portion and the cover can be detachably fixed, such as by making the hooking portion into a bar shape and the hooking piece into a hook shape. Good.

According to a sixth aspect of the present invention, there is provided the safety razor according to any one of the first to third aspects, wherein the fixing portion has a screw hole of the razor blade holding portion and a screw mounting of the cover. And one or more holes. According to this configuration, the following operation is obtained in addition to the operation obtained in any one of the first to third aspects. (1) Since the razor blade holding portion and the cover are fixed by the screw, the cover does not come off from the razor blade holding portion and can be used safely. (2) Since the razor blade holder and the cover are fixed by the screw, the razor blade holder and the cover can be detached simply by removing the screw, and the razor blade can be easily replaced and used repeatedly. Excellent in nature.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. (Embodiment 1) FIG. 1 is a perspective view of a finger-insertion-type safety razor according to Embodiment 1 of the present invention. In FIG. 1, reference numeral 1 denotes a finger-insertable safety razor, 2 denotes a razor blade holder, 3 denotes comb-shaped teeth, 4 denotes a finger insertion ring, 5 denotes a cover mounted on the razor blade holder 2, and 6 denotes a razor blade holder. Part 2
, A razor blade sandwiched between the cover 5 and 7, a screw screwed into the screw hole of the razor blade holder 2 from the screw mounting hole of the cover 5, and 8 a head of the screw 7 from the surface of the cover 5. It is a seat provided on the cover 5 so as not to protrude. The razor blade holder 2 has a triangular side surface, and one side has a finger insertion ring 4.
The comb-shaped teeth 3 are formed so as to be fixed or fitted to the long side surface of the long side and penetrate the surface formed by the other side and the surface formed by the oblique side. The short side of the finger insertion ring 4 had a curved shape in which the front (razor blade holder side) swelled so as to match the shape of the finger, and the upper surface of the cover 5 not in contact with the razor blade holder 2 was curved.

FIG. 2 is a side view of the finger-insertion-type safety razor according to the first embodiment. In FIG. 2, reference numeral 1a denotes a finger insertion type safety razor, 2 denotes a razor blade holder, 3 denotes comb teeth, 4 denotes a finger insertion ring, 5 denotes a cover, and 6 denotes a razor blade.

The operation of the finger-insertion-type safety razor of the first embodiment configured as described above will be described below. First, the razor blade 6 is disposed at a predetermined position of the razor blade holder 2, a cover 5 is put thereon, and the screw 7 is screwed into the screw hole of the razor blade holder 2 from the screw mounting hole of the cover 5. I do. As a result, the razor blade 6 and the cover 5 are fixed to the razor blade holder 2. Next, the finger is inserted into the finger insertion ring 4 up to the base of the finger. At this time, fingers are inserted so that the razor blade holder 2 is on the palm side and the comb-shaped teeth 3 are directed to the wrist. Here, the number of 2 to 4 fingers to be inserted can be arbitrarily changed according to the size of the finger insertion ring 4, and the hair can be reliably cut by inserting a plurality of fingers so that stable wearing can be performed. be able to.
Also, the inner wall of the finger insertion ring may be formed in an uneven shape in accordance with the shape of the finger, or a cutout may be provided in the ring to change the size of the ring. Next, the comb-shaped teeth 3 are lightly applied to the hair, and the hand is moved freely while checking the condition of the hair with the palm of the hand to cut the hair. Here, in the first embodiment, the angle α formed between the comb-shaped teeth 3 and the short side at the bottom of the finger insertion ring 4 is formed at 120 to 140 ° or 125 to 135 °. As the angle α becomes smaller than 120 °, the cut hair tends to get entangled between the palm and the finger-insertion-type safety razor.As the angle α becomes larger than 140 °, the gap between the palm and the hair becomes larger, and the state of the hair is grasped with the palm. Tends to be difficult.

The finger-insertion-type safety razor according to the first embodiment configured as described above has the following operation. (1) Since the short side surface of the finger insertion ring has a curved shape that swells forward, it fits the fingers and does not cause discomfort.
It can be used without putting pressure on the fingers. (2) It can be used without applying force to fingers, and can be worked for a long time because it is not tired, and is less likely to cause tendonitis. (3) Since the fingers, palms and wrists can be freely moved, a hair style having a natural flow can be obtained while grasping the state of the hair with the entire palm. (4) Since the upper surface of the cover is curved and the seat is provided so that the screw does not protrude, the hair can be cut smoothly without being caught by the finger-insertion-type safety razor. (5) Since the cover is mounted on the razor blade holder with screws, the cover and the razor blade do not come off from the razor blade holder and can be used safely.

(Embodiment 2) FIG. 3A is a front view of a finger-insertion-type safety razor according to Embodiment 2 of the present invention, from which a cover is removed. FIG. 3B shows a razor holding portion of the cover. It is a front view of the surface (back surface) which contacts. In FIG. 3A, reference numeral 2 denotes a razor blade holder, reference numeral 3 denotes comb teeth, reference numeral 4 denotes a finger insertion ring fixed to the razor blade holder 2, reference numeral 4a denotes a center line of a long side of the finger insertion ring, and reference numeral 6 denotes a finger insertion ring. Razor blades 9 are projections fitted into the holes of the razor blade 6, grooves 10 are formed in the razor blade holder 2, and hooks 11 are provided in the grooves 10. In FIG. 3 (b), 5 is a cover, 12 is a rail formed on the back surface of the cover 5 and engaged with the projection 9.
13 is a hook piece hooked on the hook portion 11, and 14 is a hook piece 1.
3 is a fixing part for fixing the cover to the cover 5, and 15 is a fixing part.
Reference numeral 4 denotes a fixing portion insertion hole into which the fixing portion 14 is inserted so as not to protrude from the back surface of the cover 5. The projection 9 provided on the razor blade holder 2 is fitted into a hole penetrating the commercially available razor blade 6, and the projection 9 is engaged with the rail 12. The bar-shaped hooking portion 11 is provided on the inner wall of a groove 10 formed at substantially the center in the longitudinal direction of the razor blade holding portion 2. The hook-shaped hooking piece 13 is fixed to the back surface of the cover 5 by a fixing portion 14,
The fixing portion 14 is fitted into the fixing portion fitting hole 15 such that the upper surface of the fixing portion 14 is substantially flush with the back surface of the cover 5. A razor blade holder 2, a finger insertion ring 4, a cover 5;
Is made of plastic.

The operation of the finger-insertion-type safety razor according to the second embodiment configured as described above will be described below. First, the projection 9 of the razor blade holder 2 is fitted into the hole of the razor blade 6. As a result, the razor blade 6 is held by the razor blade holder 2. Next, the protrusion 9 is covered 5
The protrusion 9 is slid on the rail 12, and the hook 13 is hooked on the hook 11. This allows
The cover 5 engages the projection 9 with the rail 12 and the hook 11
And the hook 13 is fixed to the razor blade holder 2. At the same time, the razor blade 6 sandwiched between the razor blade holder 2 and the cover 5 is also fixed to the razor blade holder 2. Next, the comb-shaped teeth 3 are lightly applied to the hair, and the hand is moved from the forehead to the back of the head while checking the state of the hair with the palm of the hand to cut the hair. Here, in the second embodiment, the angle β between the comb-shaped teeth 3 and the center line 4a of the long side of the finger insertion ring 4 is 0.
-25 ° or 0-15 °. Angle β
As the angle becomes negative, there is a tendency that the wrist must be raised in order to turn the hand sideways, and as the angle exceeds 25 °, the wrist must be greatly lowered, all of which burden the wrist.

According to the present embodiment, the angle β between the comb-shaped teeth 3 and the center line 4a of the long side of the finger insertion ring 4 is 0.
Is fixed at an angle of about 25 ° or 0 ° to 15 °, but the fingers are set so that the angle β formed between the comb-shaped teeth 3 and the center line 4a of the long side of the finger insertion ring 4 can be variously set. The razor blade holder 2 may be rotated with respect to the insertion ring 4 so that the razor blade holder 2 can be fixed at a desired angle.

According to the finger-insertion-type safety razor of the second embodiment configured as described above, the first embodiment
In addition to the action described above, the following action is provided. (1) Since the angle β between the comb teeth and the center line of the long side of the finger insertion ring is 0 to 25 ° or 0 to 15 °, the razor blade is moved from the top to the neck with the wrist slightly lowered. It can be applied in parallel to the flow of hair and does not burden the wrist. (2) Since the razor blade is fitted to the projection, the razor blade does not come off and can be used safely. (3) The protrusion is engaged with the rail, and the cover is slid on the upper surface of the razor blade holding portion, so that the hooking piece is hooked on the hooking portion, and the razor blade and the cover are removed from the razor blade holding portion. It does not come off and can be used safely. (4) Since each member is made of plastic and is light, it is possible to work easily for a long time without putting a burden on hands.

[0026]

As described above, according to the finger-insertion-type safety razor of the present invention, the following advantageous effects can be obtained. According to the first aspect of the present invention, (1) Since the cutting edge of the razor blade is held inside the comb-like teeth, even if the fingers are inserted into the finger insertion ring and the comb-like teeth contact the palm, A finger-insertion-type safety razor that can be used safely without the razor blade coming into contact can be provided. (2) Since the razor blade is sandwiched between the razor blade holding portion and the cover, and the razor blade holding portion and the cover are fixed by the fixing portion, the razor blade may come off from the razor blade holding portion. Thus, a finger-insertion-type safety razor that can be used safely can be provided. (3) Since the cover and the razor blade are removable, the razor blade that has become uncut can be replaced with a commercially available razor blade, and a finger-insertion-type safety razor excellent in repetitive use can be provided. (4) Because the safety razor is attached to the base of the finger, the finger can be bent, and the hair can be cut without putting a load on the finger or wrist because it can be stably attached without applying force to the finger or wrist. A finger-insertion-type safety razor that can be provided can be provided. (5) Since it is not necessary to apply force to a finger or a wrist, it is possible to provide a finger-insertion-type safety razor that is less likely to cause tendonitis. (6) Since the fingers and wrists can be moved freely, a finger-insertion-type safety razor that can cut hair while grasping the state of hair with the entire palm can be provided. (7) Since the safety razor is attached to the base of the finger, it is possible to provide a finger-insertion-type safety razor that can cut hair without the weight of the safety razor becoming a burden on the hand. (8) Since a finger or a wrist can be moved freely, a finger-insertion-type safety razor that can realize a cut with natural flowing hair can be provided. (9) When the razor blade holder and the finger insertion ring are fitted, a finger-insertion type safety razor that can adjust the amount of hair cut by selecting razor blade holders having comb-shaped teeth of different lengths. Can be provided. (10) When the razor blade holder and the finger insertion ring are fitted, the finger insertion ring is detachable, so that the finger insertion ring can be replaced according to the size of the fingers of the worker or the number of fingers to be inserted. It is possible to provide a finger-insertion-type safety razor excellent in versatility. (11) By using different sizes of covers, the length of the comb-shaped teeth covered by the cover can be changed, and the length of the comb-shaped teeth exposed from the cover can be changed, and the amount of hair cut can be adjusted. The present invention can provide a finger-insertion-type safety razor that can be used.

According to the invention described in claim 2, according to claim 1
In addition to the effect of (1), the angle α formed between the comb-shaped teeth and the short side at the bottom of the finger insertion ring is 120 to 140 °, preferably 125 to 135 °
Therefore, it is possible to provide a finger-insertion-type safety razor that allows hair to easily enter between the teeth of the comb-like teeth and that can easily cut hair. (2) The angle α formed between the comb-shaped teeth and the short side at the bottom of the finger insertion ring is 120 to 140 °, preferably 125 to 135 °.
Therefore, it is possible to provide a finger-insertion-type safety razor that can continuously cut hair without causing the cut hair to be entangled between the palm and the finger-insertion-type safety razor.

According to the invention described in claim 3, according to claim 1
Or in addition to the effects of (2), (1) the wrist is lowered because the angle β formed between the comb-shaped teeth and the center line of the long side of the finger insertion ring is 0 to 25 °, preferably 0 to 15 ° In this state, a razor blade can be applied in parallel to the flow of hair from the crown to the neck, and a finger-insertion-type safety razor that can cut hair without imposing a burden on the wrist can be provided. (2) Because it can be used in a comfortable state with the wrist lowered lightly, the fingers and wrist can be moved more naturally,
A finger-insertion-type safety razor that gives a natural flow to hair and can cut hair beautifully can be provided. (3) Unlike the case where the razor blade is applied parallel to the hair flow and the hand is moved from the frontal to the back of the head, the razor blade is applied perpendicular to the hair flow and the hand is moved in the hair flow direction. It is possible to provide a finger-insertion-type safety razor that can naturally flow hair and cut hair beautifully.

According to the invention described in claim 4, according to claim 1 of the present invention,
In addition to the effects of any one of (1) to (3), (1) since the projection is inserted into the hole of the razor blade, the razor blade does not come off from the razor blade holding portion and the finger can be used safely. An expression safety razor can be provided. (2) Since the protrusion is engaged with and fixed to the rail, the cover does not come off from the razor blade holding portion, and the razor blade sandwiched between the razor blade holding portion and the cover also comes from the razor blade holding portion. A finger-insertion-type safety razor that does not come off and can be used safely can be provided. (3) Since the razor blade holding portion and the cover are fixed by fitting the projection to the rail, the razor blade holding portion and the cover can be easily attached and detached, and the razor blade can be easily removed. It is possible to provide a finger-insertion-type safety razor that can be replaced and is excellent in repeated use.

According to the invention described in claim 5, claim 1 is provided.
In addition to the effects of any one of (1) to (4), (1) the razor blade holding portion and the cover
Can be securely fixed, so that there is no danger of the razor blade coming off the razor blade holding portion, and a finger-insertion-type safety razor that can be used safely can be provided.

According to the invention described in claim 6, according to claim 1,
In addition to the effect of any one of the above-mentioned items 3 to 3, (1) Since the razor blade holding portion and the cover are fixed by the screw, the cover does not come off from the razor blade holding portion, and the razor blade holding portion is used safely. A razor that can be inserted into a finger. (2) Since the razor blade holder and the cover are fixed by the screw, the razor blade holder and the cover can be detached simply by removing the screw, and the razor blade can be easily replaced and used repeatedly. It is possible to provide a finger-insertion-type safety razor that is excellent in property.

[Brief description of the drawings]

FIG. 1 is a perspective view of a finger insertion type safety razor.

FIG. 2 is a side view of a finger insertion type safety razor.

FIG. 3A is a front view of the finger-insertion-type safety razor with the cover removed, and FIG. 3B is a front view of the back of the cover.

FIG. 4 is a perspective view of a conventional finger-mounted safety razor.

[Explanation of symbols]

 1, 1a finger-insertion-type safety razor 2 razor blade holder 3, 20 comb-like teeth 4 finger insertion ring 4a center line 5 cover 6, 19 razor blade 7 screw 8 seat 9 protrusion 10 groove 11 hook 11 latch -Role 13 Hanging piece 14 Fixing part 15 Fixing part fitting hole 16 Finger-mounted safety razor 17 Protective cover part 18 Finger insertion guide 21 Space part 22 Finger insertion part 23 Finger guide part 24 Notch 25 Finger holding piece

Claims (6)

[Claims] A razor blade holder having comb teeth, a finger insertion ring fixed or fitted to the razor blade holder, a cover attached to the razor blade holder, and the razor blade. A razor blade fixed to the holder and the cover, and a razor blade held between the razor blade holder and the cover and having a cutting edge held inside the comb teeth. Features a finger-insertion-type safety razor. 2. The finger according to claim 1, wherein an angle α formed between the comb-shaped teeth and a short side at the bottom of the finger insertion ring is 120 to 140 °, preferably 125 to 135 °. Insertable safety razor. 3. An angle β between the comb-shaped teeth and a center line of a long side of the finger insertion ring is 0 to 25 °, preferably 0 to 25 °.
The finger-insertion-type safety razor according to claim 1 or 2, wherein the angle is 15 °. 4. The razor blade holding portion or the projection provided on the cover and the razor blade holding portion or the cover not provided with the projection are formed on the razor blade holding portion or the cover. The finger-insertion-type safety razor according to any one of claims 1 to 3, further comprising a rail engaged with the projection. 5. The razor blade holding part or the cover provided on the razor blade holding part or the cover, and the razor blade holding part or the cover provided on the razor blade holding part or the cover not provided with the locking part. And a stop piece.
A finger-insertion-type safety razor according to any one of Items 1 to 4. 6. The fixing device according to claim 1, wherein the fixing portion includes one or more screw holes of the razor blade holding portion and one or more screw mounting holes of the cover. The finger-insertion-type safety razor described in 1.