Device for clamping workpiece

Details Device for clamping workpiece Device for clamping workpiece

1992-10-15

1993-11-09

Eley, Timothy V.

Chucks or sockets

Expanding

Jaws mounted on flexible member; i.e., diaphragm

279 405, 279 35, 279106, 279127, B23B 3132

Patent

active

052596303

ABSTRACT:
A device for clamping a workpiece has a base body rotatable together with a spindle of a machine tool. The base body has a hollow portion defining a space. A piston is mounted in the space so as to be movable back and forth by fluid supplied through passages communicating with chambers defined on both sides of the piston, respectively. A diaphragm is provided over a front portion of the base body with a predetermined gap left therebetween. A peripheral portion of the diaphragm is secured to the base body, while a central portion of the diaphragm engages the piston. A plurality of clamping jaws are provided on the front surface of the diaphragm.

REFERENCES:
patent: 2714514 (1955-08-01), Hohwart et al.
patent: 4206932 (1990-06-01), Felker

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