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. 02, 1999
Filed:
Mar. 30, 1998
Tomoyuki Nagamine, Kawasaki, JP;
Yukio Saito, Kawasaki, JP;
Tsutomu Nagatomi, Kawasaki, JP;
Hirofumi Nakayasu, Kawasaki, JP;
Youji Houki, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An image forming apparatus which includes a frame, a top cover pivotally mounted to the frame, a lock member for locking the top cover onto the frame, a plurality of printing assemblies, a fixing device, and a paper conveyer belt. Each of the printing assemblies includes a photosensitive body, a charger, an optical head for forming an electrostatic latent image on the photosensitive body, a developing device, and a transfer element. The optical heads are mounted to the top cover. A cover lifting mechanism is provided for lifting the top cover by a predetermined amount relative to the frame when the lock member is released. The lifting mechanism includes a spring loaded rod which is linked to a cover releasing button.