Tool driving or impacting – Means to drive tool about an axis – Means to hold and relatively rotate sections of tool shaft
Patent
1990-05-29
1991-06-04
Gorski, Joseph M.
Tool driving or impacting
Means to drive tool about an axis
Means to hold and relatively rotate sections of tool shaft
74 25, E21B 300
Patent
active
050206060
ABSTRACT:
A reciprocating rotary tool driver is driven by a motive source which provides power to its tool through a splined shaft while the rotating tool is oscillated in a vertical mode by means of spur gear, worm gear, and crank means.
REFERENCES:
patent: 4712625 (1987-12-01), Kress
patent: 4732218 (1988-03-01), Neumaier et al.
Hamilton Herman O.
Odor Louis
Fridie Jr. Willmon
Geldin Max
Gorski Joseph M.
Lewis Terrell P.
Rockwell International Corporation
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