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:
May. 11, 2021
Filed:
Aug. 31, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Hideaki Suzuki, Tokyo, JP;
Shunsuke Tsuda, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A developing device includes a first conveyance screw including a first blade portion and a second blade portion, the first blade portion configured to convey the developer in a first direction, the second blade portion being disposed downstream of the first blade portion in the first direction and configured to convey the developer in a second direction, a discharge path through which the developer passes to be discharged through a discharge port, and a magnet. The first conveyance screw includes a third blade portion disposed in the discharge path and configured to convey the developer in the first direction. The discharge port is disposed downstream of an upstream end of the third blade portion in the first direction. The magnet is disposed downstream of an upstream end of the discharge port in the first direction so as to overlap with the discharge port in the first direction.