# US 11,110,621 B2 · Hair cutting device

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- Number: US 11,110,621 B2
- Document ID: US11110621B2
- Status: Granted
- Kind: B2
- Application number: 16/341,897
- Filed: 2017-10-10
- Published: 2019-08-08
- Granted: 2021-09-07
- Earliest claimed: 2016-10-18
- Assignees: Safe, Inc.
- Applicants: Drake S.r.l.
- Inventors: Giuseppe Palmieri
- Web page: https://patentgrep.com/patent/US11110621B2

## CPC

- B26B 21/56: characterised by the shape
- B26B 21/42: for cutting hair of preselected or variable length (combs, stencils or guides specially adapted for hair trimming devices A45D24/36)
- B26B 21/565: {Bent razor blades; Razor blades with bent carriers}
- 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 hair cutting tool includes a shaped supporting body for a handle and having a gripping element for laminar bodies; a cutting blade having a laminar body provided with a single bevel and a cutting edge defining a concave development line toward the inside of the laminar body.

## Claims

### Claim 1

A hair cutting tool comprising:
a shaped supporting body adapted for use as a handle by a user and provided with a gripping element for laminar bodies; and
a cutting blade having a laminar body provided with a single bevel and a cutting edge that defines a concave development line toward an inside of said laminar body in a direction of said supporting body,
wherein said laminar body of said cutting blade has at least one curved portion having a perimeter section comprising said cutting edge, and
wherein said curved portion defines a concave surface for said curved portion of said laminar body, said single bevel being provided on an opposite convex surface.

### Claim 2 (depends on 1)

The hair cutting tool according to claim 1, wherein ends of said cutting edge of said cutting blade are rounded.

### Claim 3

A cutting blade having a laminar body comprising:
a single bevel; and
a cutting edge,
wherein:
said cutting edge has a concave development line in a longitudinal direction of said cutting blade; and
said laminar body has at least one curved portion having a perimeter section comprising said cutting edge, said curved portion defining a concave surface for said curved portion of said laminar body, said bevel being provided on an opposite convex surface.

### Claim 4 (depends on 3)

The cutting blade according to claim 3, wherein ends of said cutting edge are rounded.