Device for holding formation cores for boring

Details Device for holding formation cores for boring Device for holding formation cores for boring

1983-11-14

1985-05-28

Watson, Robert C.

Work holders

With fluid means

Cylinder-piston means directly moves jaw

269261, 269274, 269283, 269902, E21C 1100

Patent

active

045195927

ABSTRACT:
Disclosed is a fluid actuated core sample holding device for use with a boring drill press, the holding device having rotatable vise jaws and flat support surfaces adjacent the respective jaws and containing removable holding pins. The rotatable jaws permit a greater versatility in the positioning of core samples held between them relative to the drill press, while the flat support surfaces and associated holding pins serve to hold flat or irregularly shaped core samples, not easily held by the jaws, for boring.

REFERENCES:
patent: 2284449 (1942-05-01), Rodess
patent: 2720126 (1955-10-01), Bauer
patent: 2770156 (1956-11-01), Brettrager
patent: 2796787 (1957-06-01), Aske
patent: 2881667 (1959-04-01), Ebert
patent: 2942891 (1960-06-01), Zale
patent: 3811668 (1974-05-01), Kotter
patent: 4096608 (1978-06-01), Lagerstedt
patent: 4306709 (1981-12-01), Hurn

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