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:
Apr. 26, 1994
Filed:
Jul. 19, 1993
Yoshikazu Ikunami, Hachioji, JP;
Susumu Okui, Hachioji, JP;
Kazunobu Miura, Hachioji, JP;
Takao Shiozawa, Hachioji, JP;
Hiroaki Ura, Hachioji, JP;
Masaru Ushio, Hachioji, JP;
Konica Corporation, Tokyo, JP;
Abstract
An image forming apparatus such as a copier or a printer for forming an image of a document on a recording paper. The image forming apparatus includes a paper feed tray for holding the recording paper; a conveyance unit for conveying the recording paper from the paper feed tray; a image forming section for forming a toner image of the document onto the recording paper; a fixing unit for fixing the toner image on the recording paper; a detector for detecting a paper jam between the units, and for generating a detection signal; a locking member with a solenoid for locking one of the units in another; a controller for controlling the locking member according to the detection signal so that both of the units are resisted from being removed separately when the paper jam occurs between the units.