Low profile rack and pinion wrench
US5203238A · kind A · utility
13Cited by
8References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 27, 1989 |
| Grant date | Apr 20, 1993 |
| Priority date | — |
| Expiry date | Oct 27, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B21/005
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A fluid operated low profile wrench has a rack and gear drive system to provide an accurate lever arm. The gear is a gear segment which forms part of the output lever of the wrench. The wrench is capable of using a multiplicity of drive heads and/or a multiplicity of reaction elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.