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:
Nov. 30, 2004
Filed:
Jan. 11, 2002
Applicant:
Inventor:
Hisao Chikano, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/435 ;
U.S. Cl.
CPC ...
B41J 2/435 ;
Abstract
An image forming apparatus having a ventilating device that can effectively cool heated components and remove ozone produced in the apparatus. The image forming apparatus includes a writing device. Upper and lower ducts are provided to the writing device having a housing of the writing device therebetween to form an outside-air flowing path on and beneath the writing device. Outside-air intaken by an air intake fan flows through the upper and lower ducts separately. In the writing device, scanning optical components, such as an f&thgr; lens, and a mirror formed of a plastic are disposed.