Shutter controlled film advancing apparatus

Details Shutter controlled film advancing apparatus Shutter controlled film advancing apparatus

1974-11-12

1976-06-29

Hix, L. T.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

354204, 242 715, G03B 118

Patent

active

039672913

ABSTRACT:
A photographic camera capable of either automatically or manually taking-up the film comprising a rotary drive means such as a spring motor or an electric motor for automatic take-up of the film and a manual actuating means such as a lever or a knob for manual take-up of the film, these rotary drive means and manual actuating means being connected to opposite ends of the film take-up shaft through a first and second directional clutches having operational directions opposite to each other. This photographic camera further comprises a first and a second shutter release members so as to enable the camera to perform the double exposure photographing even when the camera is in a condition wherein the automatic take-up of the film is available.

REFERENCES:
patent: 1386733 (1921-08-01), Rosen et al.
patent: 1444682 (1923-02-01), Griffiths
patent: 1448414 (1923-03-01), Mietzelfeld
patent: 1448526 (1923-03-01), Dobbin
patent: 2283788 (1942-05-01), Briechle et al.
patent: 3168025 (1965-02-01), Padelt et al.
patent: 3864706 (1975-02-01), Urano

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