Spoke wrench
US5894767A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Aug 14, 1997 |
| Grant date | Apr 20, 1999 |
| Priority date | — |
| Expiry date | Aug 14, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S81/07
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A wrench for a wheel spoke nipple is provided. The wrench includes a body having an axis and first and second axial ends, the first axial end having first and second engagement notches for engaging spoke nipples, and the second axial end having third and fourth engagement notches for engaging spoke nipples. The wrench may also include a central portion disposed between the first and second axial ends, the central portion having first and second radial engaging portions for engagement with a user's fingers or thumb. Each engaging portion having an inner radial end and an outer radial end. Each engaging portion also having first and second oppositely contoured concave faces disposed between the inner and outer radial ends wherein the distance between the first and second oppositely contoured faces of the first engaging portion increases between the inner and outer radial ends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.