Push to start timing mechanism

Electricity: circuit makers and breakers – Retarded – Clock train

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Details

200 38F, 200 38B, H01H 4310

Patent

active

044852819

ABSTRACT:
A timing mechanism is started by pushing a plunger against a cam assembly to disengage a cam from a switch to allow the switch to close. The cam assembly is axially spring biased against a wall of the timing mechanism to stop its movement after the switch closes. The plunger is axially spring biased against the cam assembly to permit it to proceed and override the cam assembly to prevent jamming of the plunger or other elements of the timing mechanism until a stop prevents continued movement of the plunger.

REFERENCES:
patent: 3150241 (1964-09-01), Goodhouse et al.
patent: 3700837 (1972-10-01), Schulze-Berge
patent: 3823280 (1974-07-01), Obermann et al.
patent: 4123915 (1978-11-01), Stoor
patent: 4246454 (1981-01-01), Ray
patent: 4415785 (1983-11-01), Uno et al.

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