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. 08, 2022
Filed:
Jan. 22, 2020
Kyocera Document Solutions Inc., Osaka, JP;
Naoki Mizutani, Osaka, JP;
Koshiro Tomimori, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
An image forming apparatus () includes a casing () having a toner conveyance path (); a screw () conveying a toner in the toner conveyance path () in a predetermined conveyance direction; and a downstream side bearing () rotatably supporting a downstream side end portion of the screw () in the conveyance direction, wherein the screw () includes: a shaft () extending in the conveyance direction; and a spiral fin () provided around an outer circumferential face of the shaft (), the shaft () has a downstream side insertion part () inserted into the downstream side bearing (), and the downstream side insertion part () has an outer diameter larger than an outer diameter of a downstream side end portion of the fin () in the conveyance direction.