Watch movement with a rotating minute disc

Details Watch movement with a rotating minute disc Watch movement with a rotating minute disc

1983-01-10

1984-09-18

Roskoski, Bernard

Horology: time measuring systems or devices

Display trains

For rotatable disk dial type

368233, 368234, G04B 1902

Patent

active

044720688

ABSTRACT:
Movement for a wrist watch, having at least one rotatable minute disc, a drive connection between the toothed disc edge and a drive pinion, being reliably and positively maintained in that the disc is mounted with clearance and capable of tilting, in that simple guide pins for the disc edge are provided on both sides of the disc in the region of the drive connection between the pinion and the disc. For example, one guide pin may be provided on each side of the minute disc. Alternatively, one pin is provided on one side of the disc and two additional guide pins lie opposite to this first pin on the other side of the disc.

REFERENCES:
patent: 4362397 (1982-12-01), Klingenberg
patent: 4376996 (1983-03-01), Wuthrich
patent: 4407586 (1983-10-01), Musy

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