Two stage chuck
US4637620A · kind A · utility
3Cited by
3References
5Claims
0Family size
Inventors
Key dates
| Filing date | Sep 4, 1984 |
| Grant date | Jan 20, 1987 |
| Priority date | — |
| Expiry date | Sep 4, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T279/22
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A chuck assembly having jaws to grip an annular work-piece on its outer periphery while machining other surfaces including a face and bore and an expansible element to grip the bore surface of the annular work-piece while machining the outer surfaces and a face, with mechanism for actuating the jaws and expansible element alternately, the parts supporting the jaws and expansible element comprising an assembly adapted for mounting on the headstock of a lathe to permit machining of the work-piece by tools carried on the tool holders normally present in a lathe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.