Laboratory clock

Details Laboratory clock Laboratory clock

1976-05-25

1977-11-29

Schaefer, Robert K.

58 395, 58 229, G04B 1300

Patent

active

040599540

ABSTRACT:
A timer includes a pointer settable to a predetermined position representing a desired time interval. Upon actuation of the timer, the pointer runs from the predetermined position to a zero position, the timer being automatically stopped when the pointer reaches the zero position. In order that the timer may also be used as a stop watch or program timepiece, it is also provided with a switch mechanism for selectively changing the direction of travel of the pointer so that the pointer runs away from the zero position and a manually actuable stop lever for stopping the timer.

REFERENCES:
patent: 2949170 (1960-08-01), Meter
patent: 3431120 (1969-03-01), Ehner et al.
patent: 3552115 (1971-01-01), Losert
patent: 3568429 (1971-03-01), DeLillie

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