Timer

Details Timer Timer

1979-02-09

1981-09-08

Herrmann, Allan D.

Motors: spring, weight, or animal powered

Spring

Escapement controlled

185 39, 368 97, 368101, F03G 100

Patent

active

042879647

ABSTRACT:
A timer adapted to toy applications, and in particular for use in conjunction with toy ride-on vehicles is provided. The timer includes a spring-driven mechanical motor manually windable to at least a predetermined time duration state and a manually displaceable mechanical switch for the selective stopping and starting of the mechanical motor for the measurement of elapsed time.

REFERENCES:
patent: 2028933 (1936-01-01), Johnson
patent: 2735222 (1956-02-01), Glass
patent: 2778418 (1957-01-01), Laviana
patent: 2891406 (1959-06-01), Stoner
patent: 3390519 (1968-07-01), Cooper
patent: 3648454 (1972-03-01), Morrison
patent: 3691757 (1972-09-01), Merino et al.
patent: 4100728 (1978-07-01), Chang et al.
patent: 4135474 (1979-01-01), Kaplan

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