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:
Apr. 25, 1995
Filed:
Jul. 15, 1994
Kunio Kawamura, Kawachinagano, JP;
Yasuo Hawai, Higashiosaka, JP;
Sadafusa Tsuji, Tondabayashi, JP;
Shuji Izumi, Sakai, JP;
Masaaki Chikasaki, Toyonaka, JP;
Michihiro Iwata, Sakai, JP;
Hiroyuki Okada, Sakai, JP;
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Abstract
A film feeding apparatus of a camera using a film having two perforations in each frame. A perforation detecting lever has claws spaced at a predetermined distance apart from each other so that the distance therebetween is equal to the distance between the two perforations which are adjacent to each other across the boundary between frames. The perforation detecting lever engages the perforations and disengages therefrom in unison with an operation for feeding one frame to be performed after the proceeding frame is exposed to light. As a result, film feeding is allowed to proceed until both claws simultaneously engage two respective perforations in the film which occurs after the film has advanced one frame.