Device for gripping workpieces

Details Device for gripping workpieces Device for gripping workpieces

1984-05-24

1986-05-27

Marbert, James B.

Button making

294116, 269 32, B66C 144

Patent

active

045911991

ABSTRACT:
A device for moving gripping jaws into engagement with a workpiece comprising two coaxial fluid cylinders for moving the jaws. A piston fixedly connected with a gripping jaw moves in each of the cylinders. Fluid pressure is applied to opposite sides of the pistons to effect movement of the pistons away and toward each other to thereby move the jaws away and toward each other. A means is provided to insure synchronous movement of the two pistons. The means comprises a rod extending along the axis of the two cylinders. The pistons and the rod have a driving interconnection. The driving interconnection effects rotation of the rod in opposite directions upon movement of the pistons away and toward each other. A bearing assembly located between the two fluid cylinders supports the rod for rotation.

REFERENCES:
patent: 2679177 (1954-05-01), Gepfert
patent: 3727772 (1973-04-01), Pauls
patent: 3899162 (1975-08-01), Fischer
patent: 4244618 (1981-01-01), Boyer et al.
patent: 4336926 (1982-06-01), Inagaki et al.
Vises-Catalogue of the Company Heinrich Tools Inc., Grippers-Catalogue of the Company "phd, Inc.".

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