Retractable cutting tool
US10994429B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Oct 10, 2017 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Mar 22, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B5/001
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention provides a retractable cutting tool, which includes: a cutting tool housing, the interior thereof forming a cavity; a blade exit portal, penetrating through the cutting tool housing and communicating with the cavity; a blade holder, moved or locked in the cutting tool housing; a blade, mounted to the blade holder and disposed opposite the blade exit portal; when the blade holder is moved, the front end of the blade protrudes out of the cutting tool housing or retracts into the cutting tool housing through the blade exit portal; a blade holder moving device, for moving the blade holder in the cutting tool housing; and a protrusion length control device, for controlling the protrusion length of the blade outside the cutting tool housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.