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:
Jun. 09, 1992
Filed:
Oct. 24, 1989
Seitaro Yoshida, Osaka, JP;
Kunio Nakai, Osaka, JP;
Shinji Ogaki, Osaka, JP;
Hiroshi Kageyama, Osaka, JP;
Sueaki Okamoto, Kyoto, JP;
Hiroyuki Hamakawa, Nara, JP;
Yoshiaki Tabata, Osaka, JP;
Kenichi Ashida, Hyogo, JP;
Mita Industrial Co., Ltd., Osaka, JP;
Abstract
A toner hopper which is arranged upwards of the developing unit is elevatably supported in the image forming device in the vertical direction thereof and the connection between the toner hopper and the developing unit can be cancelled by lifting up the toner hopper when drawing out the developing unit so that the structure of the connection portion therebetween can be simplified and the sliding portion can be eliminated to thereby eliminate wearing at the connection therebetween. Furthermore, an apparatus for automatically raising and lowering the toner hopper and an apparatus for maintaining the horizontality of the toner hopper when being elevated and lowered is provided.