Photography – With film drive – Mechanical detail
Patent
1996-03-04
1997-07-29
Gray, David M.
Photography
With film drive
Mechanical detail
G03B 1700
Patent
active
056529341
ABSTRACT:
Apparatus comprising a chamber for receiving a film cartridge, a rotatable driver engageable coaxially with rotatable film moving means in a housing of the film cartridge for rotating the film moving means to advance a filmstrip from the housing when the film cartridge is received in the chamber, and locking means for preventing rotation of the driver, is characterized in that the driver is engageable with the locking means to prevent rotation of the driver only when the film cartridge is removed from the chamber.
REFERENCES:
patent: 3780634 (1973-12-01), VanOsch
patent: 4149793 (1979-04-01), Date
patent: 5231438 (1993-07-01), Smart
Eastman Kodak Company
Fields Roger A.
Gray David M.
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