US Patent: 3,962,832
|
| Fluid Responsive, Leverage Operated Chuck
|
|
Patentee:
|
|
| Ray H. Strasbaugh (exact or similar names) - Long Beach, Los Angeles County, CA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Aug. 26, 1974 |
| Granted: |
Jun. 15, 1976 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Joel Havens
"Vintage Machinery" entry for R. H. Strasbaugh
|
|
Description: |
| Abstract
A chuck assembly particlarly useful to position a lap or lens blank at the end of an oscillatory spindle for opthalmic lens grinding; comprises an opposing pair of jaws, one of which is fixed and the other a loosely hanging plate, laterally and longitudinally tiltable between engage and disengage positions by selective action of a fluid-operated piston having a conic contact head which distally abuts the jaw plate for leveraged closing fulcrumed against a workpiece-adjacent edge, in opposition to resilient means biased to hold the jaw open. |
|
