Photography – With film drive – Having mechanically actuated circuit
Patent
1997-05-14
1998-09-29
Blankenship, Howard B.
Photography
With film drive
Having mechanically actuated circuit
396418, 396514, 396538, G03B 118
Patent
active
058157549
ABSTRACT:
A camera for use with a film cassette having a spool rotatable to wind an exposed filmstrip including a trailing film end portion into the cassette and a light lock movable to be closed after the trailing film end portion is wound into the cassette, comprising a film winder rotatable in engagement with the spool in a film winding direction to rotate the spool in the same direction to wind the exposed filmstrip including the trailing film end portion into the cassette, and a closing actuator movable in engagement with the light lock to close the light lock, is characterized in that a drive motor is drivingly connected with the film winder to rotate the film winder in the film winding direction, and a motor switch capable of changing state to turn off the drive motor is disposed to change state to turn off the drive motor when the closing actuator is moved to close the light lock.
REFERENCES:
patent: 2398133 (1946-04-01), Cronholm
patent: 4171893 (1979-10-01), Kawazoe
patent: 4455074 (1984-06-01), Wong et al.
patent: 4482226 (1984-11-01), Tamamura
patent: 4821059 (1989-04-01), Nakanishi et al.
patent: 5600395 (1997-02-01), Balling et al.
Balling Edward N.
Dussinger Thomas E.
Lawther Joel S.
Blankenship Howard B.
Eastman Kodak Company
Fields Roger A.
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