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. 09, 2018
Filed:
Oct. 14, 2016
Canon Finetech Nisca Inc., Misato-shi, JP;
CANON FINETECH NISCA INC., Misato-shi, Saitama, JP;
Abstract
An image forming apparatus includes a developing apparatus including a housing having a supply opening to receive developer supplied by a pump unit, a developing device screw disposed in a discharge path of the housing to supply and discharge the developer through a discharge opening to an image bearing member, and a developer bearing portion having a magnetic body that generates a magnetic force and is configured to bear the developer with a carrying force working in a substantially perpendicular direction to the magnetic force. In addition, a developer accommodation portion within the housing accommodates the developer supplied from a supply opening and has no opening other than the supply opening and the discharge opening, with the developer accommodation portion having a space volume capable of suppressing a spouting force caused by an inner pressure increase due to operation of the pump unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile