Ratcheting screwdriver
US5613585A · kind A · utility
41Cited by
19References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 2, 1995 |
| Grant date | Mar 25, 1997 |
| Priority date | — |
| Expiry date | May 2, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B15/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A ratcheting mechanism utilizing a driven central gear and two pawls which are movable into and out of driving relation with the gear. An actuating mechanism moves the pawls out of driving relationship, and a resilient member is employed for urging the pawls into contact with the gear. An elastomer covered handle is connected with the mechanism for optimum gripping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.