(under the class definition) Apparatus including means movable with the working member, said means comprising a portion which moves in an arcuate path between end limit positions corresponding to the end limits of the working member stroke, said means being effective during the first half of the working member stroke and while said portion moves toward a center position between said end positions to exert a force in a direction resisting the movement of the working member, and during the last half of the working member stroke while said portion moves away from said center position to exert a force in an opposite direction to assist the movement of the working member.
SEE OR SEARCH CLASS
123, Internal-Combustion Engines,
192.1+, for compensating means for an internal combustion engine.
