Work holders – Relatively movable jaws – Convertible to other type or form of holder
Patent
1982-05-24
1984-05-01
Watson, Robert C.
Work holders
Relatively movable jaws
Convertible to other type or form of holder
269 99, 269282, 269900, 269902, B25B 100
Patent
active
044456786
ABSTRACT:
A precision aligned split V-block for holding a workpiece during a milling operation having an expandable frame for allowing various sized workpieces to be accommodated, is easily secured directly to the mill table and having key lugs in one base of the split V-block that assures constant alignment.
REFERENCES:
patent: 893875 (1908-07-01), Schneider
patent: 1093029 (1914-04-01), Bowen
patent: 1329728 (1920-02-01), Sovereign
patent: 1471118 (1923-10-01), Gething
patent: 1923967 (1933-08-01), Brown
patent: 2371831 (1945-03-01), Leming
patent: 2932995 (1960-04-01), Durfee
patent: 4151984 (1979-05-01), Zapart
patent: 4340211 (1982-07-01), Chiappetti
Gaetjens Paul D.
Watson Robert C.
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