Locking power clamp

Details Locking power clamp Locking power clamp

1982-09-29

1984-07-10

Watson, Robert C.

Work holders

With fluid means

Cylinder-piston means in series with additional positioning...

B23Q 303, B25B 104

Patent

active

044588895

ABSTRACT:
Air pressure actuated locking power clamp released from static loaded condition by air pressure no greater than locking pressure notwithstanding a differential smaller release pressure area due to piston rod of air cylinder. Highly pressurized needle bearings in straight track portions of the clamp which actuate links connected to a pivoted clamp arm are critical elements in providing unexpected low pressure release.

REFERENCES:
patent: 3365253 (1968-01-01), Haller
patent: 3469892 (1969-09-01), Langstroth
patent: 3570835 (1971-03-01), McPherson
patent: 3702185 (1972-11-01), Blatt
patent: 4019784 (1977-04-01), Ladin et al.
patent: 4234057 (1980-11-01), Nakane

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