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:
Jan. 15, 1991
Filed:
May. 24, 1989
Shigeki Sakakura, Tama, JP;
Akihiro Komuro, Komae, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
In an electrographic printer which comprises a photoconductive drum (5), a precharger (7), an LED array (11), a developer (8), a cleaner (9), a transfer-charger (3) and a fuser unit (4), in which the photoconductiver drum (5), the precharger (3), the developer (8) and the cleaner are built-in in a casing to form a process cartridge (2), a housing (1) of the printer is a clam-shell type having of a lower frame (1a) and an upper frame (1b) hinged to the lower frame at the rear end thereof so that an opening is formed between both frames (1a, 1b) when the upper frame (1b) is separated from the lower frame (1a), through which opening the process cartridge (2) is inserted into and removed from the housinhg (1).