Clamp device drive apparatus

Details Clamp device drive apparatus Clamp device drive apparatus

1992-03-27

1993-02-09

Herrmann, Allan D.

Expansible chamber devices

Rectilinearly moving working member and coaxial or parallel...

Element extends through working member portion

74 8915, 92165PR, F01B 306, F01B 704, F16H 2522

Patent

active

051845377

ABSTRACT:
A clamp device drive apparatus for driving a clamp device engaged with a T-shaped groove slidably between a clamping position and an unclamping position, comprises a push-pull chain connected to a clamp device, a vertical housing for containing the chain, guide members for turning a running course of the chain, a sprocket engaged with the chain, and a cylinder drive type motor for driving the sprocket to rotate, and the motor is constituted to drive the sprocket with a double acting fluid cylinder or a pair of single acting fluid cylinder, through ball screw mechanism for converting driving force into driving torque.

REFERENCES:
patent: Re17473 (1929-10-01), Helmholtz
patent: 679421 (1901-07-01), Halsey
patent: 766410 (1904-08-01), Alger
patent: 2932206 (1960-04-01), Tootle
patent: 3162098 (1964-12-01), Lindberg
patent: 3183792 (1965-05-01), Allen
patent: 3192783 (1965-07-01), Cruzan
patent: 3610107 (1971-10-01), Kawaguchi

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