Photography – Having camera indicator – Film condition indicator
Patent
1999-04-01
2000-05-16
Adams, Russell
Photography
Having camera indicator
Film condition indicator
396281, G03B 166
Patent
active
060648309
ABSTRACT:
A frame counter comprising a counter wheel rotatable about an axis to change a frame count, and a counter actuator supported for movement in engagement with the counter wheel to rotate the counter wheel in a predetermined direction to change the frame count, is characterized in that the counter actuator is supported to be returned each time it rotates the counter wheel in the predetermined direction to change the frame count, and the counter wheel is supported to be non-rotationally displaced with respect to its axis to permit the counter actuator to be returned without reverse rotating the counter wheel to allow the frame count to remain unchanged. Preferably, the counter actuator when returned displaces the counter wheel off its axis to avoid reverse rotating the counter wheel. An anti-backup pawl engages the counter wheel to prevent reverse rotation of said counter wheel and is resilient to urge the counter wheel towards its axis.
REFERENCES:
patent: 414735 (1889-11-01), Taylor
patent: 541832 (1895-07-01), Boelte
patent: 2521933 (1950-09-01), Mihalyi
patent: 2539764 (1951-01-01), Wisegarver
patent: 2682999 (1954-07-01), Grange
patent: 4653886 (1987-03-01), Malloy-Desormeaux
Adams Russell
Eastman Kodak Company
Fields Roger A.
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