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:
Aug. 24, 2004

Filed:

Feb. 19, 2003
Applicant:
Inventors:

Masato Serizawa, Saitama, JP;

Katsumi Harumoto, Saitama, JP;

Kouji Hamabe, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 2/112 ;
U.S. Cl.
CPC ...
G03G 2/112 ;
Abstract

A collection vessel has a shutter for opening and closing collection ports . A rotation shaft of the shutter is provided with an opening/closing piece . The opening/closing piece abuts a protrusion on an image formation apparatus main unit and opens the shutter largely so that a discharge section inserted into the collection port does not abut. The collection port is made a long hole so as to allow the discharge section to move. Further, the shutter is formed integrally with a plurality of door parts so as to open or close the collection ports by one operation.


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