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. 27, 2020
Filed:
Nov. 26, 2019
Yasuhide Ohkubo, Kanagawa, JP;
Kuniyori Takano, Tokyo, JP;
Yasuhide Ohkubo, Kanagawa, JP;
Kuniyori Takano, Tokyo, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A toner conveyance device includes a conveying screw including a screw portion helically wound around an axis of rotation of the conveying screw in an axial direction of the conveying screw and a wall having an opening. The wall surrounds the conveying screw with a clearance relative to the conveying screw in a radial direction of the conveying screw. The toner conveyance device further includes a film attached to the wall at a predetermined distance away from an edge of the opening in the axial direction of the conveying screw.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile