Gear train for timepiece with a stepping motor

Details Gear train for timepiece with a stepping motor Gear train for timepiece with a stepping motor

G - Physics

04

C

58/35, 310/57

G04C 3/14 (2006.01) G04B 19/02 (2006.01) G04B 29/00 (2006.01) G04B 31/016 (2006.01)

Patent

CA 1115533

ABSTRACT OF THE DISCLOSURE A stepping motor driven by a time-based electrical driving signal periodically rotates an overhung gear train directly driving the hour and minute hands mounted on a main arbor. The arbor 18 rotatably mounted in two spaced journals in a single tapered bearing hole in the frame. An intermediate arbor is similarly journaled. The gear train i? assembled from only one side of the timepiece. The main arbor, center gear assembly, hands and dial are all added as a subassembly.

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