Self-contained, hand-held hydraulic clamp/wrench

Details Self-contained, hand-held hydraulic clamp/wrench Self-contained, hand-held hydraulic clamp/wrench

1989-05-23

1990-09-18

Parker, Roscoe V.

Tools

Wrench, screwdriver, or driver therefor

Machine

81301, B25B 1312

Patent

active

049570218

ABSTRACT:
An improved, completely portable, self-contained hydraulically actuated clamp/wrench, which includes integral pump means in the handle. The clamp/wrench may be held and operated with one hand which makes it especially useful in cramped locations where it is difficult to reach both hands to open or close a manually adjustable wrench. The clamp/wrench includes a stationary jaw and a complementary, hydraulically movable jaw which firmly clamps a workpiece to permit application of maximum torque to free up frozen parts.

REFERENCES:
patent: 1271365 (1918-07-01), Reynolds, Jr.
patent: 2555421 (1951-06-01), Ronan
patent: 2706922 (1955-04-01), Allen
patent: 2948174 (1960-08-01), Bourne
patent: 4689957 (1987-09-01), Gallentine

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