# US 2021/0274908 A1 · Nail clipper

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- Number: US 2021/0274908 A1
- Document ID: US20210274908A1
- Status: Published application
- Kind: A1
- Application number: 17/170,738
- Filed: 2021-02-08
- Published: 2021-09-09
- Earliest claimed: 2020-03-04
- Assignees: Royal Metal Industrial Co., Ltd
- Applicants: Royal Metal Industrial Co., Ltd
- Inventors: Gab Soo KIM
- Web page: https://patentgrep.com/patent/US20210274908A1

## CPC

- A45D 29/02: Nail clippers or cutters
- A45D 2029/026: {for toenails, e.g. with a rod acting over the clipper}
- A45D: HAIRDRESSING OR SHAVING EQUIPMENT (wigs, toupees or the like A41G3/00, A41G5/00; hairdressers' chairs A47C1/04; hair cutting appliances, razors B26B); EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING

## Abstract

Proposed is a nail clipper configured to cut fingernails or toenails using the engagement of upper and lower blades. In a section opposite to the cutting blades, a portion of an upper elastic plate is stacked on a portion of a lower plate. In a position forward of the section, a concave portion is provided in a bottom surface of the upper elastic plate. When the cutting blade of the upper elastic plate and the cutting blade of the lower plate are brought into engagement together, the blade of the upper elastic plate is located inside of the blade of the lower plate. A stepped portion is provided in an inner portion of an inclined portion of the front end of each of the upper elastic plate and the lower plate. The cutting blades have a minute distance therebetween. The cutting performance and durability of the nail clipper are improved.

## Claims

### Claim 1

A Nail clipper comprising:
a body comprising an upper elastic plate (50A) and a lower plate (50B) respectively having cutting blades (51a and 51b) in front ends thereof and holes (52a and 52b) in positions adjacent to the cutting blades, wherein the upper elastic plate and the lower plate are arranged in a top-bottom direction, and the cutting blades face each other while being spread from each other;
a lever (70) comprising a supporting portion (71a) having a coupling hole (72); and
a support pin (60) fitted into the holes (52a and 52b) of the upper elastic plate and the lower plate, with a catching protrusion (61) thereof being fitted to the coupling hole (72) of the lever (70), thereby coupling the body and the lever,
wherein, in a section (S3) opposite to the cutting blades (51a and 51b) of the upper elastic plate (50A) and the lower plate (50B), a portion of the upper elastic plate is stacked on a portion of the lower plate, and a concave portion (53) is provided in a bottom surface of the upper elastic plate in a position forward of the section (S3),
when the cutting blade (51a) of the upper elastic plate (50A) and the cutting blade (51b) of the lower plate (50B) are brought into engagement together, the cutting blade of the upper elastic plate is located inside of the cutting blade of the lower plate with a distance (x), and
a stepped portion (58a, 58b) is provided in an inner portion of an inclined portion (57a, 57b) of the front end of each of the upper elastic plate (50A) and the lower plate (50B).

### Claim 2 (depends on 1)

The nail clipper of claim 1, wherein the section (S3) in which the portion of the upper elastic plate (50A) is stacked on the portion of the lower plate (50B) is bound by spot welding or bending, and fine grooves (55a and 55b) are provided on opposite sides of a surface of the upper elastic plate.

### Claim 3 (depends on 1)

The nail clipper of claim 1, wherein the inclined portion (57a, 57b) of each of the upper elastic plate (50A) and the lower plate (50B) has an inclination angle ranging from 28° to 32°, and when the cutting blades are brought into engagement together, the distance (x) between the cutting blades ranges from 0.03 mm to 0.07 mm.

### Claim 4 (depends on 1)

The nail clipper of claim 1, wherein the lever (70) comprises a stepped portion (73a) and a curved portion (73b) which are continuous, fine grooves (74) are machined in a surface of the lever, and a supporting projection (71b) is provided on a rear end of the supporting portion (71a) bound to the upper elastic plate (50A).

### Claim 5 (depends on 4)

The nail clipper of claim 4, wherein an abrasive member (75) is buried in a bottom surface of the stepped portion (73a) of the lever (70).

### Claim 6 (depends on 2)

The nail clipper of claim 2, wherein the inclined portion (57a, 57b) of each of the upper elastic plate (50A) and the lower plate (50B) has an inclination angle ranging from 28° to 32°, and when the cutting blades are brought into engagement together, the distance (x) between the cutting blades ranges from 0.03 mm to 0.07 mm.