Clamping device

Details Clamping device Clamping device

1996-09-12

1998-05-05

Watson, Robert C.

Work holders

Relatively movable jaws

Means for direct manual adjustment of jaw

269221, 269224, 269237, 269216, 269329, B25B 106

Patent

active

057464227

ABSTRACT:
A clamping device used in, for instance, a bonding machine, using a piezo-electric element for opening and closing a pair of clamping claws for holding, for instance, bonding wires in between. The clamping device includes a pressure adjustment screw which applies a preparatory pressure to the piezo-electric element via a contact plate, and the contact plate is connected, via flexible sections which are capable of expansion and contraction, to a screw attachment with which the pressure adjustment screw is screw-engaged.

REFERENCES:
patent: 5314175 (1994-05-01), Izumi et al.
patent: 5462600 (1995-10-01), Pies

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