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. 24, 2020
Filed:
Mar. 19, 2018
Hewlett-packard Development Company, L.p., Spring, TX (US);
Jong Hyun Park, Suwon, KR;
Jong Hwa Park, Suwon, KR;
Jang Hyun Son, Suwon, KR;
Dong Geun Lee, Suwon, KR;
Jeong Hyun Lee, Suwon, KR;
Min Su Han, Pangyo, KR;
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Abstract
A developing device comprising a developer transporting unit including a developer inlet through which a developer is reintroduced, a developer outlet through which the developer is discharged, and a developing roller mounted in the developer transporting unit; and a developer circulator including a first connection opening connected to the developer outlet, to receive the developer discharged through the developer outlet, a second connection opening connected to the developer inlet to reintroduce the developer through the developer inlet into the developer transporting unit, a waste opening through which the developer is discarded, and a guide member mounted in the developer circulator to selectively guide the developer received through the first connection opening to the second connection opening or to the waste opening.