Locking pliers
US8656813B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Oct 1, 2013 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Oct 1, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B5/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A locking pliers preferably includes a fixed jaw, a movable jaw, a fixed handle, an adjusting screw, a biasing spring, a toggle link, a power triangle link, at least one tie link and a movable handle. The fixed jaw, the movable jaw, the fixed handle, the adjusting screw and the biasing spring are preferably taken from an Irwin item no. 502L3 vise grips, but other parts may also be used. A second embodiment of the locking pliers preferably includes a fixed jaw, a movable jaw, a fixed handle, an adjusting screw, a biasing spring, a toggle link, two power links, at least one tie link, a release link and a movable handle. The fixed jaw, the movable jaw, the fixed handle, the adjusting screw and the biasing spring are preferably taken from an Irwin item no. 502L3 vise grips.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.