Utility knife with replaceable blade
US10046466B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Jun 15, 2017 |
| Grant date | Aug 14, 2018 |
| Priority date | — |
| Expiry date | Jun 15, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B1/042
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention first provides a utility knife with a replaceable blade, comprising a knife handle, a blade holder, a blade and a locking device that locks the blade in the blade holder. The blade holder and the blade are enabled to switch between a first position and a second position. When the blade holder and the blade are in the first position, the blade is used for cutting operation, and when the blade holder and the blade are in the second position, both the blade holder and the blade are received in the knife handle. The utility knife further includes a restriction means which is thus arranged as, when the blade holder is in the second position and the locking device is in unlocked state, the restriction means is used for preventing the detachment of the blade from the blade holder by confining the movement of the blade relative to the blade holder. The present invention also provides a folding utility knife with a replaceable blade and a retractable utility knife with a replaceable blade, and a utility knife with multiple tools and replaceable blades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.