Work holders – Holder mounted for movement – Means for position lock
Patent
1996-04-01
1998-04-14
Watson, Robert C.
Work holders
Holder mounted for movement
Means for position lock
269 20, B23Q 104
Patent
active
057383448
ABSTRACT:
A workpiece support is provided that is locked in its normal state. A balanced system of spring force is provided to lock the positioner in a chosen position. It will remain in the selected position until fluid pressure is provided to release it. The unit is designed to provide a large surface area for the fluid pressure.
REFERENCES:
patent: 2673054 (1954-03-01), Slavik
patent: 2993395 (1961-07-01), Bohn
patent: 3622112 (1971-11-01), Stroh
patent: 5314174 (1994-05-01), Hagman
patent: 5544968 (1996-08-01), Goellner
Hyde Edward R.
Watson Robert C.
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