Tool driving or impacting – Single advance causing or controlling means or manipulating...
Patent
1989-04-05
1991-07-23
Eley, Timothy V.
Tool driving or impacting
Single advance causing or controlling means or manipulating...
173 50, 901 19, E21B 100
Patent
active
050335553
ABSTRACT:
An apparatus for providing a reciprocating motion. The apparatus has a housing block that contains two movable arms in spaced apart relationship to one another. The movable arms are each controlled by independently attached fluid driven actuator cylinders that are mounted externally of the housing block. Tools for the altering of a workpiece may be attached to one or both ends of the movable arms. An embodiment utilizes a rack and pinion gear arrangement to immobilize any imbalance in forces that may exist when the movable arms are biased against a workpiece.
REFERENCES:
patent: 3212649 (1965-10-01), Johnson et al.
patent: 4678393 (1987-07-01), Mink
patent: 4831231 (1989-05-01), Pelle
Carter Thomas J.
Cetnarowski Robert W.
Michalski Ronald B.
Eley Timothy V.
Fridie Jr. Willmon
Utica Enterprises Inc.
VanOphem Remy J.
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