Multiposition switch mountable in electric appliance - has switching drum operated in one direction only by ratchet wheel rotated manually or by remote control

摘要

The switch has a rotatable switching drum in the case, with radial cams operating contact arms that cross them. A locking disc has locking teeth interacting with a flexible locking element. A ratchet wheel drives the switch in one direction only. Its pawl is moved by a manually-operated operating element resettable by a spring. The switch has a remote control system (40) for additional operation of the switching drum, whose operating system (10) has a last element (41) operating the ratchet wheel (24) on the switching drum.