Camera device

Details Camera device Camera device

Filed on

1983-11-25

Date issued

1986-05-20

Examiner

Jillions, John M.

Patent Class

Winding, tensioning, or guiding

SubClass

Coil holder or support

SubSubClass

Spool or core

Other Related Categories

G03B 104, G03B 124

Type

Patent

Status

active

Patent number

045896046

Description

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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