Work holders – Relatively movable jaws – Convertible to other type or form of holder
Patent
1980-04-29
1982-05-18
Watson, Robert C.
Work holders
Relatively movable jaws
Convertible to other type or form of holder
269 97, 269208, 269244, B25B 110
Patent
active
043301134
ABSTRACT:
A vise for use with sawhorses and workbenches in which swivel jaws having specially configured feet are detachably connected to an apertured channel. Advantageously, the jaws can be connected to either side or the top of the channel to position the workpiece either vertically or horizontally. In the preferred form, a movable box-like drive assembly carrying one of the jaws is driven by a threaded shaft upon rotation of a hand crank to move the driven jaw into clamping engagement with the workpiece.
REFERENCES:
patent: 1033758 (1912-07-01), Howell
patent: 1479209 (1924-01-01), Topp
patent: 2581317 (1952-01-01), Zabich
patent: 4121814 (1978-10-01), Prior
patent: 4170345 (1979-10-01), Townsend
patent: 4248411 (1981-02-01), Wagster
Ferdinand Irwin J.
Peterson Michael
Sylvan Richard
Hirsh Company
Watson Robert C.
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