Machine tool clamp

Details Machine tool clamp Machine tool clamp

1981-11-30

1984-02-21

Watson, Robert C.

Work holders

Relatively movable jaws

Clamp couple element with fastening means

269 93, B23Q 302

Patent

active

044325380

ABSTRACT:
A machine tool clamp includes an elongated clamping member with its mid-section anchored at an adjustably spaced distance above a base plate. The front end of the clamping member is adapted to clamp a work piece to a machine tool work platform. The rear end or heel of the clamping member bears pivotally on the base plate in such a manner that the adjustable anchor of the mid-section is a movable fulcrum. A height adjustable mechanism with a large mechanical advantage is positioned in the heel of the clamping member to lever the clamping member about the adjustable fulcrum to clamp the front end on a work piece. The height adjustable mechanism can be a screw, eccentric cammed lever, hydraulic or pneumatic cylinder, or other suitable mechanism.

REFERENCES:
patent: 1536310 (1925-05-01), Rothlisberger
patent: 2260708 (1941-10-01), French
patent: 3227438 (1966-01-01), Sequin
patent: 3436072 (1969-04-01), Svenson
patent: 4294442 (1981-10-01), Kolnes et al.
Western Electric Technical Digest, No. 58, Apr. 1980, "Workpiece Clamping Device", D. W. Savage.

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