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.:

US 7020428 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 28, 2006

Filed:

Dec. 15, 2003
Applicants:

Moon-bae Park, Gyeonggi-do, KR;

Heung-sup Jeong, Gyeonggi-do, KR;

Inventors:

Moon-bae Park, Gyeonggi-do, KR;

Heung-sup Jeong, Gyeonggi-do, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/12 (2006.01); G03G 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A waste toner collecting device of an electrophotographic printer is provided. The device includes a housing to temporarily hold waste toner removed from an image holding body, an exhaust guide member including an exhaust hole through which the waste toner is exhausted, an opening and closing unit to open and close the exhaust hole, an inlet guide member having an inlet path to connect the exhaust hole to an inlet of a waste toner collection tank, and an elastic member which elastically supports the inlet guide member so that a gap between the exhaust hole and an inlet side of the inlet path is closely maintained when the exhaust guide member ascends and descends.


Find Patent Forward Citations

Park, Moon-bae. (2006). Waste toner collecting device of an electrophotographic image forming apparatus, method thereof, and an electrophotographic printer having the same (U.S. Patent No. 7020428). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7020428

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