Adjustable clamp

Details Adjustable clamp Adjustable clamp

1994-07-11

1996-05-14

Watson, Robert C.

Work holders

Relatively movable jaws

Means for direct manual adjustment of jaw

269228, 269283, B25B 114

Patent

active

055160883

ABSTRACT:
An improved carpenter's clamp is provided for easily securing a workpiece. The clamp has a C-shaped frame that can be mounted to a holding surface. The frame has a top and a bottom receiver aperture. A slide bar is slidably mounted in an axial direction within the top and bottom receiver apertures, and a handle is pivotally attached to the frame to provide a downward axial force to the slide bar when the handle is lowered. A toggle link is provided allowing the handle to be locked in a downward position thereby locking said slide bar in a secured position. A holding arm having a holding tip at a distal end is slidably mounted to the slide bar, and the slide bar is positioned between a pair of bias pins on the holding arm so that a workpiece can be held between the holding surface and the holding tip when a downward force is applied to the handle.

REFERENCES:
patent: 1643557 (1927-09-01), Goldman
patent: 2781803 (1957-02-01), Nelson
patent: 3096975 (1963-07-01), Irwin
patent: 3748936 (1973-07-01), Minasy
patent: 4083548 (1978-04-01), Mackbarth
patent: 5143359 (1992-09-01), Bush

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