Chuck lock bit changer
US6056298A · kind A · utility
17Cited by
5References
5Claims
0Family size
Inventor
Key dates
| Filing date | Aug 28, 1998 |
| Grant date | May 2, 2000 |
| Priority date | — |
| Expiry date | Aug 28, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T279/3451
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A keyless chuck having an outer chuck with spaced grooves, an inner chuck and chuck jaws, where the keyless chuck is mounted on an output shaft of a drill motor. A sleeve locking device mounted between the outer chuck and the drill motor housing, where the sleeve locking device has spaced inner teeth to engage the spaced grooves of the outer chuck to lock the outer chuck stationary, allowing the inner chuck to rotate and opening or closing the chuck jaws to install and remove drill bits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.