Electromechanical clock

Details Electromechanical clock Electromechanical clock

1978-11-09

1982-11-02

Miska, Vit W.

Horology: time measuring systems or devices

Escapements

With oscillating or reciprocating means

368180, G04B 1500, G04B 1702

Patent

active

RE0310735

ABSTRACT:
A timepiece with an electrodynamically controlled clockwork has a torsion ndulum intermittently coupled through a gear train with the clockwork for the maintenance of its oscillations. The gear train includes a first pinion mounted on a weighted rocker tending to hold it in mesh with a driving gear actuated by the clockwork; the torsion spring of the pendulum carries near its suspension point a horizontal spur receivable in a slot of a stationary mounting member so as to come periodically to rest on a slot edge, this spur being engageable in its arrested position by a hump on a cam disk entrained by a second pinion which meshes with the first pinion and decouples the latter from the associated gear against the countervailing force of the rocker weight as long as the spur is immobilized. When the spur-biasing force of the torsion spring changes direction, the gear train is re-established and the spur receives an impetus from the engaging hump as it moves away from the arresting slot edge.

REFERENCES:
patent: 1522099 (1925-01-01), Brigden
patent: 3798891 (1974-03-01), Sovenyhazi
patent: 3802181 (1974-04-01), Marquis
Utility Model Publication No. 18774/1964, 7/3/1964, Japan Shimizu.

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