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. 18, 1997
Filed:
Dec. 15, 1994
Applicant:
Inventors:
Kyu-chul Shin, Seoul, KR;
Kyung-hwan Kim, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399285 ; 399265 ;
Abstract
An electrophotography developing apparatus of non-contacting type using a nonmagnetic one-component toner is provided. The developing apparatus adopts a soft roller as a developing roller and a developing gap of 50-200 .mu.m is formed between a developing drum and developing roller. A desirable image can be provided by adopting the soft roller as the developing roller and properly setting the developing gap between the developing roller and the developing drum. Generally, the electrophotography developing apparatus is used in the apparatus for printing and communicating, such as a duplicator, a printer and a facsimile.