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:
Oct. 25, 1983
Filed:
Dec. 17, 1981
Hitoshi Shirai, Sagamihara, JP;
Olympus Optical Company Ltd., Tokyo, JP;
Abstract
A take-up assembly for automatic film loading comprises a film take-up spool sleeve having a notch window formed therein for receiving a film catch member, a spool shaft rotatably fitted inside the spool sleeve and supported by a camera body so as to present a given magnitude of friction for its rotation relative to the body, a catch member rotatably mounted on the spool shaft and having a pawl which is disposed inside the notch window for fitting engagement with one of perforations formed in a perforated roll film, a first spring for causing the catch member to project out of the notch window during a film loading operation, and a second spring for causing the spool sleeve to rotate through a given angle relative to the spool shaft for receiving the catch member inside the notch window.