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.

Date of Patent:
Jan. 05, 2021

Filed:

Mar. 02, 2018
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Jong Hyun Park, Suwon, KR;

Oh Dug Kwon, Suwon, KR;

Dong Geun Lee, Suwon, KR;

Ho Jin Jang, Suwon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 21/10 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0893 (2013.01); G03G 15/0844 (2013.01); G03G 21/105 (2013.01);
Abstract

A developing device includes a developer transport path through which a developer is agitated and transported, a developing roller mounted in the developer transport path, a discharging unit extending from the developer transport path in a length direction of the developing roller, the discharging unit including an air outlet from which air is discharged and a developer discharge outlet from which the developer is discharged, and a separating member mounted in the discharging unit to separate an inner portion of the discharging unit into an air discharge path, connecting the developer transport path and the air outlet, and a developer discharge path, connecting the developer transport path and the developer discharge outlet.


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