Knife with retractable sheath
US4523379A · kind A · utility
107Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1984 |
| Grant date | Jun 18, 1985 |
| Priority date | — |
| Expiry date | May 2, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B29/02
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A safety utility knife includes a handle, a blade fixed to the forward end of the handle, and a retractable sheath which is received within the handle. A mechanism is provided for automatically retracting the sheath within the handle by depressing a single button at the rear of the handle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.