Digital timer and time indicator drums therefor

Details Digital timer and time indicator drums therefor Digital timer and time indicator drums therefor

1975-05-27

1977-07-26

Jackmon, E. S.

Registers

Coded record sensors

Particular sensor structure

58 2113, 58 2114, 58 33, 58125C, 235 1C, G04F 302, G04F 304, G04C 2312

Patent

active

040373983

ABSTRACT:
A digital timer having a selector to set a selected period of time that the timer is to be operated by the drive motor for only that set period of time, the timer comprising a pair of indicator drums rotatably mounted to the timer frame by a shaft. The drums have a pinion gear disposed therebetween and operatively associated therewith so that one of the drums will cause incremental movement of the other drum in a timed relation to incremental movement of that one drum caused by a drive connection of that one drum to the timer motor.

REFERENCES:
patent: 2091146 (1937-08-01), Hamilton
patent: 2170408 (1939-08-01), Hillcourt
patent: 2459107 (1949-01-01), Johnson
patent: 2535484 (1950-12-01), Conroy
patent: 2645896 (1953-07-01), Uhlig et al.
patent: 2748560 (1956-06-01), Clark
patent: 3077729 (1963-02-01), Schlenker
patent: 3117412 (1964-01-01), Malone
patent: 3603073 (1971-09-01), Terada et al.
patent: 3611705 (1971-10-01), Niznik
patent: 3618644 (1971-11-01), Adler et al.
patent: 3807167 (1974-04-01), Chappatte
patent: 3827232 (1974-08-01), Basset
patent: 3883968 (1975-05-01), Suzuki

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