Drive mechanism
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United States of America Patent
Stats
-
May 9, 1989
Grant Date -
N/A
app pub date -
Aug 12, 1985
filing date -
Aug 12, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
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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Family
International Classification(s)
Cited Art Landscape
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