Electro-mechanical programmer/timer

Details Electro-mechanical programmer/timer Electro-mechanical programmer/timer

H - Electricity

01

H

H01H 43/10 (2006.01)

Patent

CA 2203817

The present invention provides an electro-mechanical programmer/timer having a plurality of switches actuated by a rotating cam with each of the switches tracking a separate cam track on the cam. The cam is indexed by a sub-interval cam oscillating a pawl which engages ratchet teeth on the program cam. At least one of the switches following the program cam is a single-pole double-throw switch with the center blade thereof actuated by a cam follower lever operated by a separate track on the sub-interval cam.

Cette invention concerne un programmateur/minuterie électro-mécanique comportant une pluralité de contacts actionnés par une came rotative, chacun des contacts suivant un chemin de came différent. La came est indexée au moyen d'une came d'intervalle faisant osciller un cliquet qui interagit avec la dentelure de la came-programme. Au moins un des contacts réglés par la came-programme est du type unipolaire à deux directions dont la lame centrale est actionnée par un levier suiveur de came conjugué à un chemin de came distinct de la came d'intervalle.

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