Automatic film winding apparatus for use with cameras

Details Automatic film winding apparatus for use with cameras Automatic film winding apparatus for use with cameras

1978-06-27

1979-12-25

Griffin, Donald A.

354173, G03B 118

Patent

active

041803159

ABSTRACT:
An automatic film winding apparatus for use with cameras comprises a sub-driving apparatus comprising a spring motor in addition to a main driving apparatus comprising an electric motor for film winding. When the main driving apparatus does not work, the sub-driving apparatus can be selectively worked for film winding in place of the main driving apparatus.

REFERENCES:
patent: 1911845 (1933-05-01), Owens
patent: 2759561 (1956-08-01), Bosley
patent: 2769380 (1956-11-01), Rapaport
patent: 3084606 (1963-04-01), Goldberg

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