Torque limiting and ratcheting driver and assembly
US7992472B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2007 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Jan 10, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/1427
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A torque-limiting and ratcheting driver. The drive comprises a handle having an enclosed end and an open end, which houses a drive assembly. The drive assembly comprises a drive shaft, a drive clutch member and a camming clutch member supported by the drive shaft. The camming clutch member is coupled to the drive shaft, and the first drive clutch member and second camming clutch member are biased towards one another. The drive assembly has a locking screw supported by the drive shaft, with the locking means located at the enclosed end of the handle. The drive assembly is secured with the housing. The driver also comprises a ratcheting assembly connected to the handle, independently assembled of the drive assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.