Socket wrench
US9498869B2 · kind B2 · utility
3Cited by
4References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 19, 2014 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Oct 19, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/105
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A socket wrench includes a wrench body, a ratchet wheel and a positioning ring. The ratchet wheel has a driving hole and a cylindrical flange extending on one side of the wrench body. The cylindrical flange defines in an outer periphery at least one aperture communicating with the driving hole. The positioning ring is mounted around the cylindrical flange, and has a central bore and at least one protrusion radially protruded from an wall of the central bore of the positioning ring. The protrusion is projected from a wall of the driving hole through the aperture to position a socket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.