Wrench for hexagonal nuts
US6098501A · kind A · utility
43Cited by
8References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 1998 |
| Grant date | Aug 8, 2000 |
| Priority date | — |
| Expiry date | Dec 21, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B13/08
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A wrench for rotating hexagonal fasteners includes an opening defined by a sidewall. The sidewall includes a plurality of contact surfaces for contacting respective sides of the fastener. Each contact surface includes two groups of generally parallel ridges separated by a recessed portion. Each of the ridges has a convexly curved top for contacting a side of the fastener.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.