Camera device

Details Camera device Camera device

1983-11-25

1986-05-20

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

G03B 104, G03B 124

Patent

active

045896046

ABSTRACT:
A camera device wherein a one-way clutch or a friction clutch is provided between a driving power source and a winding spool, a one-way clutch or a friction clutch is provided between a rewinding shaft and a rewinding spool, said driving power source and a sprocket, or a one-way clutch or a friction clutch is provided between a shaft of said sprocket and the same sprocket. The speed of revolution in a rewinding direction of said driving power source during a rewinding operation is set to a level not lower than a speed of revolution of said winding spool rotated in the rewinding direction by a film being rewound. The winding power source and the rewinding shaft both of which are adapted to be rotated positively at different speed ratios.

REFERENCES:
patent: 2861752 (1958-11-01), Palmer
patent: 3135182 (1964-06-01), Hintze et al.
patent: 3385189 (1968-05-01), Hennig et al.
patent: 3448669 (1969-06-01), Suzuki
patent: 3598033 (1971-08-01), Sasaki
patent: 3779484 (1973-12-01), Porazinski
patent: 3882516 (1975-05-01), Ogiso et al.
patent: 4146189 (1979-03-01), Sunouchi et al.
patent: 4227678 (1980-10-01), Laky

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