The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 1979
Filed:
Jun. 27, 1978
Applicant:
Inventors:
Assignee:
Ricoh Company, Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354170 ; 354173 ;
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.