Pinch roller moving devices for simultaneous image and sound rec

Details Pinch roller moving devices for simultaneous image and sound rec Pinch roller moving devices for simultaneous image and sound rec

1977-03-14

1978-06-06

Hayes, Monroe H.

Optics: motion pictures

With sound accompaniment

Common picture and sound record carrier systems

352 72, G03B 3102

Patent

active

040933628

ABSTRACT:
Disclosed is an improved pinch roller moving device for a simultaneous image and sound recording cinecamera. The device includes a first lever on which the pinch roller is supported rotatably and transversely movably and a second lever rotatable to rotate the first lever to press the pinch roller against a capstan. A cam is provided to rotate the second lever and a third lever is provided to hold the first lever against rotation. The third lever is rotatable upon rotation of a second cam to release the first lever for rotation. A fourth lever is provided for maintaining the second lever in its rotated position. The device further includes means for transmitting rotation of a capstan driving motor to the cams. This motor is operable upon depression of a release button on the cinecamera.

REFERENCES:
patent: 4000940 (1977-01-01), Komine
patent: 4027955 (1977-06-01), Reichen
patent: 4037947 (1977-07-01), Freudenschuss
patent: 4052125 (1977-10-01), Ishibashi

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