Adjustable spring clamp

Details Adjustable spring clamp Adjustable spring clamp

1994-02-07

1995-01-17

Foss, J. Franklin

Supports

Stand and bracket

Having adjustable bracket

24509, 2483167, F16L 300

Patent

active

053819896

ABSTRACT:
An adjustable clamp includes first and second gripping members pivotally coupled to each other for movement about a pivot pin, a helically coiled spring having a tubular portion disposed around the pivot pin having first and second end extensions extending from the tubular portion for biasing the gripping members toward a gripping position, and a bar having a threaded aperture, a threaded member, and a bracket, the bar being positioned between the helically coiled spring first end extension and the first gripping member, the bracket being coupled to the first gripping member and the threaded member rotatably engaging the bracket and the bar, the bar being movable relative to the bracket in response to rotation of the threaded member so as to reposition the first and second end extensions relative to each other thereby adjusting the force applied by the spring against the gripping members. An elastomeric member covers the end of the lever arms remote from the jaws, and an end portion of a support stand is received between one of the lever arms and the elastomeric member covering said lever arm, a support member extending downwardly from said end portion to a generally trapezoidal base member unitary with the support member further including non-skid means for reducing movement of the base member relative to a work surface.

REFERENCES:
patent: 2102220 (1937-12-01), Richardson
patent: 2919058 (1959-12-01), Thompson
patent: 2981509 (1961-04-01), Messenger
patent: 3239902 (1966-03-01), Cohen
patent: 3559934 (1971-02-01), Jensen
patent: 3689687 (1972-09-01), Bosch
patent: 4968078 (1990-11-01), Fitzwater
patent: 5142776 (1992-09-01), Neely

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