Horology: time measuring systems or devices – Time interval – Electrical or electromechanical
Patent
1992-02-18
1993-03-09
Miska, Vit W.
Horology: time measuring systems or devices
Time interval
Electrical or electromechanical
200 38A, 200 38FA, G04F 800, H01H 4314
Patent
active
051930781
ABSTRACT:
A uni-direction rotation device in a cam-operated timer is accomplished by coupling the timer control shaft to the camstack with a semi-circular tang and semi-circular slot connection. When the timer control knob is rotated in the biased or right direction, the slot is coupled to the tang, and the timer can be set. But when the timer control knob is rotated in the unbaised or wrong direction, the slot is uncoupled from the tang and the timer control knob rotates freely, so the timer cannot be set.
REFERENCES:
patent: 3694591 (1972-09-01), Basett et al.
patent: 3879587 (1975-04-01), Dragh
patent: 3909565 (1975-09-01), Clouser et al.
patent: 3930359 (1976-01-01), Flumm et al.
Amonett Daniel K.
Zink David E.
Emerson Electric Co.
Meyer Robert F.
Miska Vit W.
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