Spring for knife
US6618947B1 · kind B1 · utility
18Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2002 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Aug 12, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B1/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A knife comprising a handle, a blade pivotally coupled to the handle, a lock pivotally coupled to the handle, and a spring having at least one transversely extending portion that contacts the lock. In a preferred embodiment, the spring is U-shaped and supported by recesses in the handle. Also in a preferred embodiment, the spring is coupled to the handle near the blade and extends rearward.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.