Work holders – Relatively movable jaws – Means to actuate jaw
Patent
1997-06-23
1999-01-26
Watson, Robert C
Work holders
Relatively movable jaws
Means to actuate jaw
269258, 269287, 269902, 254100, 254133, 254DIG4, B25B 110
Patent
active
058630350
ABSTRACT:
A clamping device capable of engaging a pipe jack for securing a work piece thereon. This device includes a yoke adopted to slidably engage a V-configured pipe jack and further having a threaded orifice contained therein. Contained within the threaded orifice is a threaded stem. A handle is attached to an upper distal end of the threaded stem. Pivotally attached to a lower distal end of the threaded stem is a head for engaging a work piece.
REFERENCES:
patent: 2108077 (1938-02-01), Robinson
patent: 2364150 (1944-12-01), Lowenstein
patent: 2371831 (1945-03-01), Leming
patent: 3211446 (1965-10-01), Headrick
patent: 3345061 (1967-10-01), Schaefer
patent: 4139189 (1979-02-01), Wietrzyk
patent: 5135209 (1992-08-01), Penny
patent: 5280891 (1994-01-01), Estes
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