Torque wrench
US5979273A · kind A · utility
8Cited by
0References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 18, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Sep 18, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B21/005
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
This invention relates to torque wrenches, and more particularly to torque wrenches that are bi-directional in operation. A torque wrench comprises a housing in which is mounted a rotatable ratchet mechanism, a first lever and a first drive for applying a driving force to the first lever to pivot the first lever reciprocatingly between a rest position and a fully displaced position. Further included is a second lever and second drive for applying a driving force to the second lever to pivot the second lever reciprocatingly between a rest position and a fully displaced position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.