# US 9,434,587 B2 · Wire gripper

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- Number: US 9,434,587 B2
- Document ID: US9434587B2
- Status: Granted
- Kind: B2
- Application number: 14/430,140
- Filed: 2013-03-18
- Published: 2015-08-20
- Granted: 2016-09-06
- Earliest claimed: 2012-09-21
- Assignees: Nagaki Seiki Co., Ltd.
- Applicants: Nagaki Seiki Co., Ltd.
- Inventors: Takayuki Nagaki; Kazude Fujiwara; Naohiro Hirayama; Tamotsu Iwama
- Web page: https://patentgrep.com/patent/US9434587B2

## CPC

- B66F 19/00: Hoisting, lifting, hauling or pushing, not otherwise provided for
- H02G 1/04: for mounting or stretching
- B66F: HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD ({invalid lifting devices A61G7/10; } mounting artificial islands on piles or like supports E02B17/00; scaffolding combined with lifting devices E04G1/22; lifting devices for sliding forms E04G11/24; lifting of buildings E04G23/06; shores or struts E04G25/00; lifts or other hoisting devices on ladders E06C7/12; props for mining E21D15/00)
- H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES

## Abstract

A wire gripper of the present invention is to provide with a lightweight and robust wire gripper; wherein the wire gripper is provided with a stationary gripping body having a wire-like body pressing-down portion; a swinging member swingably attached to the stationary gripping body by a supporting shaft; a movable gripping body swung according to swinging of the swinging member; and a connection member connected to the swinging member and swinging the swinging member, wherein the stationary gripping body is provided with a circular ridge around a hole in which the supporting shaft for attaching the swinging member is inserted in order to protect the supporting shaft.

## Claims

### Claim 1

A wire gripper, comprising:
a stationary gripping body having a main body and a wire-like body pressing-down portion formed on an upper portion of the main body;
a swinging member swingably attached to the stationary gripping body by a supporting shaft;
a movable gripping body swung toward the wire-like body pressing-down portion of the stationary gripping body according to swinging of the swinging member and having a wire-like body holding portion; and
a connection member connected to the swinging member and swinging the swinging member,
wherein the stationary gripping body is provided with a circular ridge formed around a hole in which the supporting shaft for attaching the swinging member is inserted in order to protect the supporting shaft,
an arc-shaped ridge is formed at a position spaced from the hole edge of the hole in which the supporting shaft is inserted along the hole edge separately from the circular ridge, and
a spring groove is formed between the circular ridge and the arc-shaped ridge.

### Claim 2 (depends on 1)

The wire gripper according to claim 1, further comprising an arc-shaped ridge different from the circular ridge, formed at a position spaced from a hole edge of the hole in which the supporting shaft is inserted along the hole edge.

### Claim 3

A wire gripper, comprising:
a stationary gripping body having a main body and a wire-like body pressing-down portion formed on an upper portion of the main body;
a swinging member swingably attached to the stationary gripping body by a supporting shaft;
a movable gripping body swung toward the wire-like body pressing-down portion of the stationary gripping body according to swinging of the swinging member and having a wire-like body holding portion; and
a connection member connected to the swinging member and swinging the swinging member,
wherein the stationary gripping body is provided with a linear ridge extending toward the wire-like pressing-down portion in the vicinity of a hole in which a supporting shaft for attaching the swinging member is inserted, and the wire gripper further comprises a plurality of ridges provided at intervals from a hole edge of the hole.

### Claim 4 (depends on 1)

The wire gripper according to claim 1, wherein the circular ridge is provided on a side attached with the connection member, and the ridge extending toward the wire-like body pressing-down portion is provided on a side opposite to the side attached with the connection member.