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 8089500 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 03, 2012

Filed:

Dec. 23, 2009
Applicants:

Manabu Matsuo, Osaka, JP;

Takasumi Wada, Osaka, JP;

Nobuhiro Shirai, Osaka, JP;

Inventors:

Manabu Matsuo, Osaka, JP;

Takasumi Wada, Osaka, JP;

Nobuhiro Shirai, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 15/14 (2006.01); B41J 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical scanning device cover, covering an upper portion of an optical scanning device, includes an exposure window, a close stopper, an open stopper, and a rotation cam plate. A projection to be held in a link portion of a rotation cam is fixedly provided on a shutter. When the rotation cam is rotated in a direction of an arrow R() from a state in which the shutter is closed, A-side of the shutter turns until the shutter comes into contact with the open stopper to open that side of shutter, and thereafter, the B-side of the shutter turns to open that side of the shutter.


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Matsuo, Manabu. (2012). Optical scanning device and image forming apparatus provided with the same (U.S. Patent No. 8089500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8089500

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