Ratchet mechanism for tools
US6516930B2 · kind B2 · utility
16Cited by
7References
1Claims
0Family size
Inventor
Key dates
| Filing date | Dec 29, 2000 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Mar 14, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D41/12
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A ratchet mechanism for tools includes a ring member having first bevel teeth and second bevel teeth respectively defined in an outer periphery of the ring member. The first bevel teeth and the second bevel teeth are separated by an annular groove defined in the outer periphery of the ring member. Two pawl members are connected by a spring and each pawl member has third bevel teeth and fourth bevel teeth so as to respectively engage with the first bevel teeth and the second bevel teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.