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. 16, 1980
Filed:
May. 10, 1979
Applicant:
Inventors:
Akira Katayama, Tokyo, JP;
Toshiaki Hozumi, Tokyo, JP;
Assignee:
Nippon Kogaku K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; B65H / ;
U.S. Cl.
CPC ...
354212 ; 226 83 ; 242 74 ;
Abstract
A camera film advancing apparatus is disclosed which is improved in respect of reliability of engagement between the pawl of the film advancing sprocket and the perforation of the film to simplify the operation necessary for film charging.