C clamp

Details C clamp C clamp

1995-11-27

1998-01-20

Watson, Robert C.

Work holders

Operator supported

Handle manipulation for jaw actuation

B66F 300

Patent

active

057093725

ABSTRACT:
A C-clamp has a generally C-shaped frame and a fixed jaw disposed in the front end of the frame. A connecting end and an adjacent rectangular shaped recess are disposed at the rear end of the frame. A square hole is formed at the center of the holding seat. A fixed handle which has a groove to receive a driving handle connects the holding seat. A hole on the driving handle and two corresponding holes on the fixed handle are passed through by a pin so that the two handles are fastened together. A square hole is formed on the fixed handle. A square spindle is inserted through the square hole of the fixed handle and the square hole of the holding seat. A spring and a pushing plate which has a square hole receives the spindle so that the spring and the plate are blocked by the holding seat. The flange which is disposed on the upper end of the driving handle pushes the pushing plate forwardly.

REFERENCES:
patent: 3218058 (1965-11-01), Smith
patent: 4874155 (1989-10-01), Goul
patent: 5217213 (1993-06-01), Lii
patent: 5222420 (1993-06-01), Sorensen et al.

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