Motor quick-change chuck system for tool having cylindrically shaped adapter portion
US4184692A · kind A · utility
63Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1978 |
| Grant date | Jan 22, 1980 |
| Priority date | — |
| Expiry date | Aug 8, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/907
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A quick-change drill chuck adapted for positioning ball elements within dimples circumferentially disposed about the central axis of the adapter portion of a tool, such as a drill, to drive the drill. A first quick-change drill chuck utilizes an axially spring-biased collar, while a further quick-change drill chuck incorporates a rotary spring-biased collar for manipulating the ball elements into and out of the dimples.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.