Torque limiter wrench and method
US7806027B1 · kind B1 · utility
12Cited by
5References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2007 |
| Grant date | Oct 5, 2010 |
| Priority date | — |
| Expiry date | Oct 27, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B13/463
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A limiter torque wrench and method having a handle and a jaw pivotally connected together along an axis and for pivoting of the handle upon applying a quantifiable torque. A cam and spring-loaded follower are interconnected between the handle and the jaw. A ratchet is connected to the cam for return of the cam to a starting position and with minimal torque and after application of the limited torque. There is a second ratchet engagable with a workpiece and a pawl engages the second ratchet and a pusher engages the pawl offset from the axis for optimum engagement force on the engaged pawl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.