Torque wrench
US4060137A · kind A · utility
14Cited by
6References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1976 |
| Grant date | Nov 29, 1977 |
| Priority date | — |
| Expiry date | May 3, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/145
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A torque wrench is presented having bidirectional operating capability, accurate readout, and preset or load selection capability. The input drives a pair of ring gears, one of which is connected to the output of the wrench and the other of which is part of a reaction arm system which interacts with the readout and preset features.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.