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:
Sep. 17, 1996
Filed:
Jun. 20, 1995
Masahiko Maeda, Osaka, JP;
Shoji Tomita, Osaka, JP;
Masao Uyama, Osaka, JP;
Masayuki Nakashima, Osaka, JP;
Kenichiro Kitajima, Osaka, JP;
Mita Industrial Co., Ltd., Osaka, JP;
Abstract
An apparatus for developing an electrostatic latent image includes a developing agent application device which holds the developing agent on the surface thereof in the developing agent-holding zone, and conveys the thus held developing agent into a developing zone to apply it onto the electrostatic latent image. A limiting device is included for limiting the amount of the developing agent held on the surface of the developing agent application device in a developing agent limiting zone located between the developing agent holding zone and the developing zone. The limiting device includes a blade made of a rigid member that is brought into forced contact with the surface of the developing agent application device, a blade support device for supporting the blade in a manner such that a first surface thereof is forced into contact with the surface of the developing agent application device, and a resilient urging device which is disposed on a side of a second surface of the blade. The blade support device includes lower support members for supporting the lower end at the blade. The application device has an Asker C hardness between 67 to 85, the blade exerts a line pressure of 40 to 90 g/cm, and the developing agent thickness is limited in the range of 20 to 27 .mu.m.