Power chuck
US4824126A · kind A · utility
3Cited by
2References
3Claims
0Family size
Inventor
Key dates
| Filing date | Apr 7, 1986 |
| Grant date | Apr 25, 1989 |
| Priority date | — |
| Expiry date | Apr 7, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T279/243
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The power chuck of the invention features a series of rocker arms which are linked by toggles to the chuck's actuator. The rocker arms are mounted on pivot pins which pivot with respect to carriers within the body of the chuck. The center of gravity of the toggle, rocker arm and jaw mounted on the end of the rocker arm is located inwardly of the pivot pin so to provide increasing clamping force as the rotational speed of the chuck increases. A spring within the carrier provides a pull-back action on the workpiece during clamping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.