Geometrical instruments – Straightedge type – Base attached
Patent
1983-07-11
1985-01-01
Little, Willis
Geometrical instruments
Straightedge type
Base attached
33 42, 33 32C, 83614, B43L 1302
Patent
active
044909209
ABSTRACT:
A guide clamp is disclosed which includes a clamping jaw at one end of a guide bar. An opposing shifting jaw is slidably carried on the guide bar to permit a workpiece to be embraced by the jaws. A pull rod associated with and parallel to the guide bar is connected to a lever on the clamp jaw. The shifting jaw locks onto this pull rod when the jaws embrace a workpiece and actuation of the lever then pulls the jaws together to clamp onto the workpiece and hold the guide clamp thereon. The shifting jaw will lock onto the pull rod by engaging a smooth-surfaced pull rod with a frictional grip or by engaging threads or notches on the pull rod with a locking grip. Guideways to guide and hold tools, jigs and the like are provided on the guide bar.
REFERENCES:
patent: 490086 (1893-01-01), Saum
patent: 2854751 (1958-10-01), Casey
patent: 4095345 (1978-06-01), Smith
patent: 4394800 (1983-07-01), Griset
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