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:
Dec. 07, 1993
Filed:
Apr. 10, 1991
Masakazu Hirano, Tokyo, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A charging station structure of a clamshell-type electrophotographic image forming apparatus which has a photoconductive member is provided with a corona charger for uniformly charging the photoconductive member. An opening is defined on an upper surface of the corona charger for letting ozone escape, and a roof member is arranged at a position opposite to the photoconductive member, with respect to the opening, for covering the opening. A predetermined interval is provided between the upper surface of the corona charger and the roof member, so that ambient light incident upon the photoconductive member though the opening is prevented, while nonetheless allowing ozone to escape from the corona charger.