F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16H—GEARING
F16H53/00—Cams or cam-followers, e.g. rollers for gearing mechanisms
F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
F16H53/025—Single-track cams for single-revolution cycles; Camshafts with such cams characterised by their construction, e.g. assembling or manufacturing features
Tubular spring with bars of varying axial thickness - is formed by cutting axially spaced circumferentially staggered slots normal to axis of metal tube