Clamp device drive apparatus

Expansible chamber devices – Rectilinearly moving working member and coaxial or parallel... – Element extends through working member portion

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Details

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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