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:
Jun. 25, 2019
Filed:
Dec. 06, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Atsushi Kawarago, Suntou-gun, JP;
Fumiaki Mizuno, Suntou-gun, JP;
Yuta Hojo, Suntou-gun, JP;
Takao Nada, Numazu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A sheet feeding device includes a stacking portion, a first roller, a second roller, a third roller rotatable to provide peripheral movement in a predetermined direction and to provide peripheral movement in a direction opposite to the predetermined direction, a detecting unit, a driving unit for executing a feeding operation by the first roller, and a control unit for providing an instruction to the driving unit so as to continue or stop the feeding operation. The predetermined rotational frequency is larger than 0 and is smaller than a rotational frequency of the third roller in a period in which the third roller is rotated in the predetermined direction in a state in which a single recording material is fed to the nip.