Ratchet wrench
US7472629B2 · kind B2 · utility
1Cited by
14References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 17, 2004 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Feb 17, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/0035
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A ratchet wrench has a drive-stud element with a drive stud at a first end and a drive recess at a second end. The drive-stud element is coupled with a one-way drive transmitting wheel to rotate in unison therewith about an axis. The wrench can have a centering element that resists movement of the one-way drive transmitting wheel in at least one direction away from the axis. The drive-stud element and the one-way drive transmitting wheel can be separately formed. A method is also disclosed for operating a ratchet wrench with a drive-stud element with a drive stud at a first end and a drive recess at a second end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.