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:
Jan. 09, 2001
Filed:
Dec. 19, 1997
Applicant:
Inventor:
Ryoji Okuno, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 1/00 ;
U.S. Cl.
CPC ...
G03B 1/00 ;
Abstract
A power transmission device comprises a spool gear disposed at a film take-up spool and an output gear that outputs a driving force that has been transmitted to the spool gear. The spool gear acts both to drive a take-up spool in the course of film winding and to furnish power applied thereto in the course of film rewinding to a fork gear associated with a film cartridge.
Okuno, Ryoji. (2001). Power transmission device wherein a film take-up spool gear also partakes in film rewinding (U.S. Patent No. 6170999). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6170999
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile