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. 29, 1994
Filed:
Jan. 21, 1993
Hiromi Kashiwagi, Fukaya, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Abstract
A developing system having a developer tank supporting a developing roll formed by a sleeve incorporating a permanent-magnet member, and guide: rollers having a diameter slightly larger than that of the sleeve, and; fitted at both ends of the sleeve in the longitudinal direction in such a manner as to come in contact with the surface of an image carrier; the developer tank being rotatably supported by a supporting shaft that is supported in parallel with the sleeve by supporting frames provided outside of both ends of the developer tank; the guide rollers and the surface of the image carrier being adapted to be engagable with and disengagable from each other, in with a supporting portion of one end of the supporting shaft and one of the supporting frames is formed in such a manner as to be constrained in motion in the axial direction, and to be movable in the direction vertical to the axis; and the supporting shaft is forced onto the side of the image carrier by a pushing member.