F16H 19/0622

Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary {or oscillating} motion and reciprocating motion comprising {flexible members, e.g. an} endless flexible member {for converting reciprocating movement into oscillating movement and vice versa, the reciprocating movement is perpendicular to the axis of oscillation}