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:
Jul. 26, 2022
Filed:
Jan. 03, 2020
Hewlett-packard Development Company, L.p., Spring, TX (US);
Junhui Kim, Pangyo, KR;
Sanghoon Lee, Suwon, KR;
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Abstract
An example toner refill cartridge includes a body including a toner accommodating portion to accommodate toner and a toner discharge port provided at an end portion of the body in a longitudinal direction to be in communication with the toner accommodating portion, a first member rotatably supported by the body and having a spiral portion extending in the longitudinal direction, a second member located inside the first member and having a guide groove extending in the longitudinal direction, and a plunger having a guide protrusion which passes through the guide groove to engage the spiral portion, to push the toner inside a toner accommodating portion toward a toner discharge port while being moved in the longitudinal direction as the first member is rotated.