Work holders – With fluid means – Cylinder-piston means in series with additional positioning...
Reexamination Certificate
2005-12-20
2005-12-20
Wilson, Lee D. (Department: 3723)
Work holders
With fluid means
Cylinder-piston means in series with additional positioning...
C269S027000
Reexamination Certificate
active
06976671
ABSTRACT:
A toggle-lever clamping device for clamping work pieces includes a box-shaped body which supports a clamping member movable between a forward disengaging position and a backward position for clamping the work piece. The device also includes control elements operatively connected to the clamping member by elements of an intermediate toggle-lever connecting link, and an articulated quadrilateral system; the intermediate connecting link is in the form of an axially yieldable flat spring having a plurality of side by side arranged elastically yieldable spring sections, aligned according to its longitudinal axis. The articulated quadrilateral system and the intermediate connecting link are constructed and disposed in such a way as to maintain an irreversible locking condition of the clamping member to clamp work pieces, compensating differences in thickness of the work pieces.
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UNIVER S.p.A.
Wilson Lee D.
Young & Thompson
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