Chuck
US4093247A · kind A · utility
12Cited by
11References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1976 |
| Grant date | Jun 6, 1978 |
| Priority date | — |
| Expiry date | Jul 20, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T279/17598
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A drill holding chuck is provided having particular utility for use with a drill sharpening tool. The chuck includes an outer tubular housing having cylindrical ends rotably receivable in bearing members to provide spaced support for the chuck and the jaw closing force is applied to the chuck jaws about midway of their length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.