Clamping device

Details Clamping device Clamping device

2005-05-31

2005-05-31

Edmondson, Lynne R. (Department: 1725)

Metal fusion bonding

Including means to force or clamp work portions together...

C228S044700, C228S001100, C228S004500

Reexamination Certificate

active

06899262

ABSTRACT:
A clamping device is provided for clamping an object, such as bonding wire for a wire bonding machine. The device comprises a pair of clamping arms arranged in pivotal relationship with each other about a pivot point, the clamping arms having clamping ends movable between an open position and a closed position. An attraction device is operative to provide an attraction force between the clamping arms about the pivot point. The device includes biasing means that is operative to provide a biasing force in opposition to the attraction force about the pivot point, such that the biasing force is operative to bias the clamping ends towards the closed position. In a preferred embodiment, the biasing means comprises a flexure bearing.

REFERENCES:
patent: 3430834 (1969-03-01), Mansour et al.
patent: 6439448 (2002-08-01), Ringler
patent: 6513696 (2003-02-01), Ho et al.
patent: 6783052 (2004-08-01), Liao et al.

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