Flexible gear

摘要

The gear (10) has teeth (2) comprising a pin (3) projecting from a pin foot. An elastic blade (4) projects from a foot blade (41) facing toward the pin that is separated by a ventral notch. The elastic blade comprises a concave profile located opposite to the pin for delimiting a dorsal notch. The foot blade is delimited toward a rotation axis of the gear by inner ends of the ventral- and dorsal notches. The pin is bifurcated, and comprises two teeth (81, 85), which enclose a recess (87) and have greater rigidity than that of the elastic blade. An independent claim is also included for a clockwork wheel.