Drive mechanism

Card – picture – or sign exhibiting – Display device with magnetically moved object

Patent

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Details

272 31R, 446136, G09F 1900

Patent

active

048276421

ABSTRACT:
The device wherein the second, minute or hour stem of the conventional quartz clock movement is used to provide a motive force for continuous rotation, for use in ornamental or advertising displays and the like. The quartz movement mechanism is housed in a base structure or frame. A system of counterpart magnets, one counterpart being attached to the stem of the clock movement within the base structure or frame, the other counterpart magnet attached to the rotatable display structure which is caused to pivot such that the magnets are situated sufficiently close to one another so that rotation of the stem is communicated to the display structure.

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