Expanded scale timer and method of operating such

Details Expanded scale timer and method of operating such Expanded scale timer and method of operating such

1975-01-30

1976-03-02

Hermann, Allan D.

Machine element or mechanism

Automatic operation or control

Retarded

58 211, 58 2113, 74435, 200 38FA, G04F 302, F16H 580

Patent

active

039410005

ABSTRACT:
An expanded scale timer has means adapted to be driven for indicating the operating time of the timer, and a pair of means are conjointly and relatively movable for respectively driving the indicating means at different predetermined speeds. Means is provided for effecting actuation of the driving means conjointly to drive the indicating means through one of the driving means at one of the speeds and for effecting actuation of the other of the driving means relative to the one driving means to also drive the indicating means at another speed with the one driving means being overridden by the indicating means.

REFERENCES:
patent: 2620872 (1952-12-01), Wyman
patent: 2670794 (1954-03-01), Gallagher
patent: 2864443 (1958-12-01), Niemand
patent: 2917939 (1959-12-01), Harris
patent: 3180157 (1965-04-01), Harris
patent: 3426608 (1969-02-01), Loughran et al.
patent: 3431720 (1969-03-01), Ehner et al.
patent: 3548126 (1970-12-01), Bassett
patent: 3568429 (1971-03-01), DeLille
patent: 3736799 (1973-06-01), Harris

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