Core chuck
US3993317A · kind A · utility
14Cited by
9References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1974 |
| Grant date | Nov 23, 1976 |
| Priority date | — |
| Expiry date | Dec 12, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T279/1074
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A core chuck comprising radially movable exterior jaw members, means operative in response to a relative rotation between the jaw members and those means to apply a radially outward force to the jaw members, and biasing means for urging the jaw members toward a predetermined radial position. The biasing means comprise a band spring disposed in axially aligned recesses in surfaces of the jaw members, at least one of the recesses being provided with spring retainer means preventing removal of the spring from the recess in a radial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.