Clock with mechanical drive

Details Clock with mechanical drive Clock with mechanical drive

1986-03-10

1987-02-10

Miska, Vit W.

Horology: time measuring systems or devices

Escapements

368155, 368160, 368165, G04C 300

Patent

active

046419756

ABSTRACT:
In a clock provided with a mechanical drive for the going train and having one or more striking mechanisms controlled by the going train, the motion regulator of the going train comprises a quartz-controlled stepping mechanism whose arbor is in drive connection with the wheelwork of the going train via an escapement. The connection insures that each step of its arbor releases the going train subject to the torque of the mechanical drive for a defined angle. Thereby it becomes possible to use for the going train a commercial, i.e. low-torque, quartz controlled stepping mechanism and yet to have available the torques required for the control of one or more striking mechanisms. It is of advantage if, between the arbor of the stepping mechanism and the wheelwork of the going train gear, elements in the form of a pallet controlled by a cam plate or in the form of a worm wheel engagement are provided, which gear elements remain in self-lock but are releasable from the self-lock by the arbor.

REFERENCES:
patent: 2796728 (1957-06-01), Knudsen
patent: 3699762 (1972-10-01), Zatsky
patent: 3884034 (1975-05-01), Dietsch
patent: 3952497 (1976-04-01), Schulz et al.
patent: 3999369 (1976-12-01), de Valroger et al.

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