Ratcheting screwdriver
US4777852A · kind A · utility
74Cited by
20References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1986 |
| Grant date | Oct 18, 1988 |
| Priority date | — |
| Expiry date | Oct 2, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B15/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The ratcheting screwdriver comprises a handle having a bore and a keyway substantially tangent thereto. In the bore is a gear and in the keyway are a pair of pawls which are movable individually into and out of engagement with the gear. An actuator is provided at the forward end of the handle to move these pawls. A cap operates the actuator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.