Friction coupling for clockworks

Details Friction coupling for clockworks Friction coupling for clockworks

1987-02-02

1988-04-12

Roskoski, Bernard

Horology: time measuring systems or devices

Oscillating or reciprocating means

Pendulum type

G04B 1702

Patent

active

047379430

ABSTRACT:
A clockwork having a decorative torsion pendulum and a star wheel connected to a drive shaft of the clockworks by a friction coupling wherein a follower needle connected to the torsion spring of the torsion pendulum crosses the path traveled by the spokes of the star wheel and is driven thereby in an intermittent manner. The friction coupling comprises elastic spring fingers which bear against a surface of the hub portion of the star wheel to form a friction-locking connection therebetween.

REFERENCES:
patent: 3318087 (1967-05-01), Favre
patent: 4308606 (1981-12-01), Fehrenbacher

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