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US Patent: 5,005,449
Hand Tool or Improved Bar Clamp
Patentees:
Joseph A. Sorensen - Lincoln, NE
Dwight L. Gatzemeyer - Lincoln, NE

USPTO Classifications:
269/169, 81/152, 81/182, 81/487

Tool Categories:
work holding : clamps

Assignees:
Petersen Mfg. Co., Inc. - DeWitt, NE

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Feb. 14, 1990
Granted: Apr. 09, 1991

Patent Pictures:
USPTO pdf tiff
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Description:
Lackenbach, Siegel, Marzullo & Aronson - patent attorneys

Abstract

A hand tool or clamp, which is operable with one hand, includes a fixed jaw and a movable jaw. The movable jaw connects at one end to a movable slide bar. One way drive means, by operation of a trigger handle, releasably engages the slide bar with advances the movable jaw toward the fixed jaw or away from the fixed jaw. Disengagement of the one way drive means will allow for manual return movement of the movable jaw.

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