# US 11,897,155 B2 · Razor

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- Number: US 11,897,155 B2
- Document ID: US11897155B2
- Status: Granted
- Kind: B2
- Application number: 17/773,300
- Filed: 2020-11-04
- Published: 2022-09-22
- Granted: 2024-02-13
- Earliest claimed: 2020-10-30
- Assignees: Kai R&D Center Co., Ltd.
- Applicants: Kai R&D Center Co., Ltd.
- Inventors: Hiroshi Yamakose; Mai Kadokura; Shunsuke Shioya; Toshiki Takagi
- Web page: https://patentgrep.com/patent/US11897155B2

## CPC

- B26B 21/523: {Extendible or foldable handles; Extensions}
- B26B 21/06: Safety razors with fixed blade, e.g. with moulded-in blade
- B26B: HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR (for harvesting A01D; for horticulture, for forestry A01G; for butchering or meat treatment A22; for manufactering or repairing footwear A43D; nail clippers or cutters A45D29/02; kitchen equipment A47J; {vegetable slicers, julienne cutters and similar devices and holders therefor, B26D3/28}; for surgical purposes A61B; for metal B23D; cutting by abrasive fluid jets B24C5/02; plier-like tools with cutting edges B25B7/22; pincers B25C11/02; handles for hand implements, in general B25G; guillotine-type cutters B26D; {perforating by non-mechanical means, e.g. by fluid jet, B26F1/26}; for erasing B43L19/00; for textile materials D06H)

## Abstract

A razor assembled by folding includes a holding part that is held by a user, a head supporting part that is formed integrally with the holding part, and a razor head that is provided on the head supporting part. The entire of the holding part and the head supporting part is formed of paper. The entire of the razor head is formed of metal, and the razor head includes a blade body and a frame body housing the blade body.

## Claims

### Claim 1

A razor assembled by folding, the razor comprising:
a holding part that is held by a user;
a head supporting part that is formed integrally with the holding part; and
a razor head, comprising:
a blade body, and
a frame body provided on the head supporting part and housing the blade body,
wherein an entirety of the holding part and the head supporting part is formed of paper,
wherein an entirety of the razor head is formed of metal,
wherein the frame body comprises a front case and a rear case, the rear case adjacent the head supporting part, and the front case opposite the rear case defining at least a part of a periphery of the razor head,
wherein the frame body comprises a cut-out through which body hairs cut by the blade body can pass, and
wherein the cut-out comprises a force point configured to receive a force for removing the razor head from the head supporting part.

### Claim 2 (depends on 1)

The razor according to claim 1, wherein the head supporting part is spaced from the cut-out, such that a gap is formed between the head supporting part and the cut-out.

### Claim 3 (depends on 1)

The razor according to claim 1,
wherein the frame body comprises an opening portion through which body hairs cut by the blade body can pass,
wherein the opening portion is provided on the rear case of the frame body, and
wherein the head supporting part is configured to expose the opening portion.

### Claim 4 (depends on 1)

The razor according to claim 1, further comprising an adhesive disposed on the frame body to adhere the frame body to the head supporting part.

### Claim 5 (depends on 1)

The razor according to claim 1,
wherein the front case comprises an opening portion from which the blade body is exposed and the cut-out,
wherein the front case and the rear case are connected to each other to form the frame body defining an internal space,
wherein the front case is arranged to cover the rear case, and
wherein a distance between an edge of the front case having the cut-out and an edge of the rear case facing the edge of the front case having the cut-out is in a range from 0.5 mm to 3 mm.

### Claim 6 (depends on 1)

The razor according to claim 1, wherein the frame body comprises an adhesive region where an adhesive for adhesion to the head supporting part is provided and an adhesion prohibited region where the adhesive is not provided, wherein the adhesion prohibited region is provided on a periphery of the rear case of the frame body.

### Claim 7 (depends on 6)

The razor according to claim 6, wherein at least a part of the adhesive region of the frame body is planar.