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:
Jan. 08, 2019
Filed:
Mar. 15, 2018
Kyocera Document Solutions Inc., Osaka, JP;
Shinji Nemoto, Osaka, JP;
KYOCERA DOCUMENT SOLUTIONS INC., Osaka, JP;
Abstract
A toner conveyance device includes a conveying screw having a shaft and a spiral blade. The spiral blade includes a start end-side blade adjacent to a bearing positioned at a start end part side in a toner conveyance path, a terminal-side blade adjacent to a bearing positioned at a terminal part side, and an intermediate blade. A toner discharge port is provided between the intermediate blade and the terminal-side blade. A spiral winding direction of the terminal-side blade is opposite to that of the intermediate blade, a spiral winding direction of the start end-side blade is equal to that of the intermediate blade, and a blade diameter of the start end-side blade and a blade diameter of the terminal-side blade are smaller than that of the intermediate blade.