Patent · US Expired

Locking pliers

US6857342B2 · kind B2 · utility

17Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 22, 2003
Grant dateFeb 22, 2005
Priority date
Expiry dateMay 29, 2023

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25B7/123
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A pair of locking pliers includes a first jaw, a first handle, a second jaw, a second handle, a toggle, an adjusting screw, a release lever, a spring, and a soft jacket. The first handle extends from the first jaw and includes a space defined therein. The second jaw is pivotally connected with the first jaw. The second handle is pivotally connected with the second jaw. The toggle includes a first end pivotally connected with the second handle and a second end inserted into the space of the first handle. The adjusting screw includes an end driven into the space of the first handle for abutment against the second end of the toggle. The release lever is pivotally connected with the second handle. The release lever includes a first end for abutment against the toggle and a second end to be pressed by a user. The spring includes an end secured to the first handle and an opposite end secured to the second jaw. The soft jacket wraps up the second handle and the release lever.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.