Switching mechanism for appliance controller

Details Switching mechanism for appliance controller Switching mechanism for appliance controller

1990-09-28

1993-01-26

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

200 38C, 335185, 307139, H01H 342, H01H 4310

Patent

active

051824612

ABSTRACT:
A programmer for controlling the actuation and deactuation of a plurality of load function switches. A motorized cam drum track moves a follower pivoted about a fulcrum pin. A solenoid controlled by a microcomputer slidably moves a bar operable to selectively latch and unlatch the fulcrum pin. When latched, the pin causes the follower to pivot and effect the actuation and deactuation of the associated switch in response to the cam track and the follower, when the fulcrum is unlatched, leaving the switch unmoved. The solenoid controls latching and unlatching independently of the cam drum rotation.

REFERENCES:
patent: 3271877 (1966-09-01), Guenther, Jr. et al.
patent: 3413425 (1968-11-01), Lovegrove
patent: 3737820 (1973-06-01), Harris
patent: 4521722 (1985-06-01), Barthel et al.
patent: 4626635 (1986-12-01), Mahon
patent: 4743820 (1988-05-01), Veach

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