Clocks with unique time displays

Horology: time measuring systems or devices – Displays or display device details

Patent

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Details

368228, 368 77, G04B 1900

Patent

active

056028032

ABSTRACT:
Apparatus for the display of time, which includes a support frame and a driven gear having external teeth mounted to the support frame. The apparatus further includes a rigid annular member with internal teeth for engagement with the external teeth of the driven gear.

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patent: 4428682 (1984-01-01), Winter
patent: 4659232 (1987-04-01), Coster et al.
patent: 4995021 (1991-02-01), Sullivan
patent: 5132943 (1992-07-01), Davies
patent: 5299178 (1994-03-01), Belik
patent: 5303211 (1994-04-01), Yanaka et al.
patent: 5359578 (1994-10-01), Truni

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