Chuck for receiving tools operated by rotating around the axis thereof
US7469909B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2003 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Jul 25, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T279/3406
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A chuck for receiving tools (1) that are operated by rotating around the axis thereof, particularly screwdriver bits, and having an insertion section (3) which is provided with a receiving cavity (2) having a non-circular cross-sectional area (3). The tool can be locked in the cavity (2) by a holding element (4) which is assigned to the cavity wall in order to prevent the tool from being withdrawn from the cavity (2). The holding element (4) can be deactivated by displacing an actuating member in a form of an actuating sleeve (5). The tool (1) rests backwards against the cavity (2). The tool (1) can be displaced from the resting position in the direction of the opening of the cavity (2) by actuating the actuating sleeve (5). In order to facilitate removal of the bit, the chuck also comprises components (15, 16, 17) for releasing the face (1) of the bit, and a magnet (9) which retains the bit in the cavity from the resting position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.