Axial connecting structure of pliers
US8347765B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jan 19, 2011 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Jun 19, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B7/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An axial connecting structure of pliers contains two symmetrical bodies axially connected together by using a first screw bolt and a nut; each body including a first extension with a grip and a second extension axially connected with a clamping paw, wherein the second extension includes a hollow fitting member, the fitting member includes a central hole, a limiting shaft, a positioning orifice to receive a spring and a ball, and a circular disc; the clamping paw includes an annular tab having a central post, the post includes an axial aperture, the tab also includes a receiving chamber to fit the fitting member and an inner fringe, the receiving chamber includes a guiding groove based on a radian of a predetermined degree of first central angle, the inner fringe includes plural recesses arranged thereon based on a radian of a second central angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.