Watch drive

Details Watch drive Watch drive

1986-04-09

1987-03-24

Miska, Vit W.

Horology: time measuring systems or devices

Staff and bearing details

G04B 2900

Patent

active

046521429

ABSTRACT:
A watch drive has an electric stepping motor and other drive elements supported between opposite drive plates. A tubular center bearing is mounted on one of the drive plates and carries a watch hand shaft to which motion is transmitted from the stepping motor by way of an intermediate gear which is mounted on an intermediate gear shaft supported in a bearing projection extending from a mounting collar of the tubular center bearing. The bearing projection is disposed adjacent a cut-out area of the drive plate which cut-out area is sufficiently large to permit insertion of the small drive elements between the drive plates during assembly of the watch drive and to provide for the small size of the watch drive.

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