Thermic timing mechanism

H - Electricity – 01 – H

Patent

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Details

306/169, 348/6

H01H 71/16 (2006.01) G01B 11/04 (2006.01) G01P 3/36 (2006.01) H01H 71/22 (2006.01)

Patent

CA 1114486

A B S T R A C T An electric time switch mechanism is provided comprising a plurality of units each having an operating thermal expansion member, for example, a bimetallic member. Electrical beating means are provided for the thermal expansion member and a switch is activated by the thermal expansion member. The units are connected in series in such a way that the activation of a switch turns off the heating means of the associated thermal expansion member and turns on that of the following units. The switches remain in the activated state after activa- tion and are resettable by external activation. -1-

306794

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