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:
Nov. 21, 2000
Filed:
Sep. 24, 1999
Hitoshi Sato, Kawasaki, JP;
Takashi Kimura, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A sheet detecting device for contacting with a sheet being conveyed and detecting the sheet is provided with a first moving member urged and moved by the sheet being moved, N (N.gtoreq.1) interlocking members moved in operative association with the movement of the first moving member, a second moving member moved in operative association with the movement of the N interlocking members, a detection signal producing portion producing a sheet detection signal on the basis of the movement of the second moving member, first biasing member provided on the first moving member for independently biasing the moved first moving member in a direction opposite to the direction of movement thereof so as to return it to its original position, N biasing member provided on respective ones of the N interlocking members for independently biasing the moved N interlocking members in a direction opposite to the direction of movement thereof so as to return them to their original positions, and second biasing member provided on the second moving member for independently biasing the moved second moving member in a direction opposite to the direction of movement thereof so as to return it to its original position.