Mechanical light switch timer

Details Mechanical light switch timer Mechanical light switch timer

1975-07-25

1977-05-03

Scott, James R.

Electricity: circuit makers and breakers

Retarded

Chain or flexible drive

200 38A, 200 39R, H01H 700

Patent

active

040216268

ABSTRACT:
A switch articulating device in combination with a modified conventional timer, the device including a bistable auxiliary switch lever connected to a switch engaging shuttle bracket, the switch lever and the bracket being retained in a housing adapted for installation over a wall switch. The conventional mechanical timer is mounted on the exterior of the housing and is modified to provide a timer shaft attached to a cam and extending into the interior of the housing. The cam is aligned to oppose one end of rocker arm, which at the other end articulates, through a push plate, a bellcrank attached to the switch lever. In this manner the switch lever can be either articulated by the timer or can be manually controlled to operate the circuit.

REFERENCES:
patent: 2674664 (1954-04-01), Clubb et al.
patent: 2937247 (1960-05-01), Laviana et al.
patent: 3179758 (1965-04-01), Trock
patent: 3818156 (1974-06-01), Augustyniak
patent: 3819885 (1974-06-01), Moroto et al.
patent: 3985982 (1976-10-01), Schneidinger

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