Film advancing mechanism
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United States of America Patent
Stats
-
Dec 26, 1995
Grant Date -
N/A
app pub date -
Jun 6, 1994
filing date -
Dec 27, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An object of the present invention is to provide a film advancing mechanism for cameras, which is capable of being compact and reducing costs and noise. In the film advancing of the present invention, supporting section, which is extended from a supporting member of a reduction gear unit, is inserted in a spool so as to rotatably support the spool. A driving motor is fixed to a bottom face of the supporting section by a screw so as to accommodate the driving motor in the spool. An output shaft of the driving motor is extended into the spool via a through-hole, which is bored in the bottom face of the supporting section. A motor-gear is made of plastic and fixed to the output shaft in the spool. Reduction gears are provided in one plane in the supporting section, A transmitting gear and/or a sun gear is provided to bridge over an edge of the spool so as to mutually engage.
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Cited Art Landscape
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