FLUID CYLINDER POWERED TOOL

摘要

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 inbalance forces that may exist hen the movable arms are biased against a workpiece.