Hand set timer

Details Hand set timer Hand set timer

1981-04-24

1983-04-26

Scott, J. R.

Electricity: circuit makers and breakers

Retarded

Clock train

200293, H01H 4310, H01H 900

Patent

active

043814310

ABSTRACT:
In a hand set timer of the type including a housing, a constant speed motor mounted on the housing, a switch actuating element in the housing and driven by the motor through a drive shaft between a manually set position and a switch actuated position, and a manual means, such as a knob, for moving the switch actuating element independently of the motor from the switch actuated position to the manually set position, there is provided an improvement wherein the housing is formed from two separate components which are held together by a locking means carried on the motor so that assembly of the motor onto the housing performs the function of locking the two housing components together. In addition, the improved hand set timer includes a switch formed from two or three contacts mounted in the housing itself so that the contacts can be moved into an operative position by the switch actuating element movable by the motor within the housing.

REFERENCES:
patent: 3568429 (1971-03-01), DeLille
patent: 3578923 (1971-05-01), Morey et al.
patent: 3678225 (1972-07-01), Hultenstrum
patent: 3699277 (1972-10-01), Straub
patent: 3699278 (1972-10-01), Jones et al.
patent: 3700838 (1972-10-01), Brown et al.
patent: 3742159 (1973-06-01), Brown

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