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:
Apr. 26, 2022

Filed:

Sep. 10, 2019
Applicant:

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

Inventors:

Hyun Taek Oh, Suwon-si, KR;

Dongwoo Lee, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 21/10 (2006.01); G03G 21/12 (2006.01); G03G 15/08 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 21/105 (2013.01); G03G 15/0893 (2013.01); G03G 21/10 (2013.01); G03G 21/12 (2013.01); G03G 15/553 (2013.01); G03G 2221/1624 (2013.01);
Abstract

A waste toner collecting device includes a waste toner container, a detector, and an auger. The waster toner container is to collect waste toner. The detector is to detect an amount of waste toner collected and accumulated in the waste toner container. The auger is to disperse the waste toner in the waste toner container. The auger includes a first blade to transport the waste toner in a first direction toward the detector in the waste toner container, and a second blade to transport the waste toner in a second direction opposite to the first direction in the waste toner container. The second blade includes a first blade section having a waste toner transport rate greater than a waste toner transport rate of the first blade.


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