Horology: time measuring systems or devices – Chronological – With mechanical or electromechanical driven display
Patent
1980-05-01
1982-03-16
Miska, Vit W.
Horology: time measuring systems or devices
Chronological
With mechanical or electromechanical driven display
368233, 200 6114, G04B 1920, B65H 2514
Patent
active
043204805
ABSTRACT:
A switch programming mechanism is afforded by means of an endless switch chain. The switch chain is provided with switch riders or triggers serving as mechanical abutments for the actuation of the switch. The switch chain may be formed with tooth elements having truncated inner ends and being axially displaceable on their interconnection means relative to one another. The switch chain is particularly well suited for fitting within the confines of a ordinal-display switch clock and for controlling the operation thereof.
REFERENCES:
patent: 700454 (1902-05-01), Thrasher
patent: 2248293 (1941-07-01), Woolf et al.
patent: 3424879 (1969-01-01), Shlesinger
patent: 3747321 (1973-07-01), Yudewitz
patent: 3956879 (1976-05-01), Bailey
Dieter Graesslin Feinwerktechnik
Miska Vit W.
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