Bistable operating device for electric setting element e.g. automobile push-button switch, has cylindrical guide element cooperating with switch guide with ratchet notch cooperating with ratchet pin of guide element

摘要

The operating device has a cylindrical guide piece (3) acted on by a bias spring (5), displaced in the switch direction relative to a concentric switch guide (10) having a heart-shaped guide curve and a ratchet notch (11) defining a ratchet position, cooperating with a ratchet pin (13) attached to the guide piece.