Overload prevention device of film winding/rewinding motor for a

Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – Automated stop or reverse

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354212, G03B 100

Patent

active

054780225

ABSTRACT:
An overload protection device for the film winding/rewinding motor of a camera to prevent breakage of the camera by detecting an overload of a winding motor controlled by a one comma switch. The overload detection device includes a driving part, a planetary gear part and an overload detection part.

REFERENCES:
patent: 2213746 (1940-09-01), Schubert
patent: 4202513 (1980-05-01), Osanai
patent: 4998686 (1991-03-01), Lin

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