Device for developing an electrostatic image on an image member

Patent 5532804 Issued on July 2, 1996. Estimated Expiration Date:

July 15, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Method and apparatus for downcomer tray operation
Patent #: 5277848
Issued on: 01/11/1994
Inventor: Binkley, et al.

Image recording method including determining a gap between a photosensitive medium and a developing roller and apparatus therefor
Patent #: 5315353
Issued on: 05/24/1994
Inventor: Simazaki, et al.

Device for developing an electrostatic image on an image member Patent #: 5325161
Issued on: 06/28/1994
Inventor: Saha, et al.

Inventors

Assignee

Fuji Xerox Co., Ltd.

Application

No. 275440 filed on 07/15/1994

US Classes:

399/267Magnetic brush

Examiners

Primary: Moses, R. L.

Attorney, Agent or Firm

Finnegan, Henderson, Farabow, Garrett & Dunner

Foreign Patent References

56-144452 JP. 11/21/1981
60-176069 JP. 09/21/1985
61-141469 JP. 06/21/1986
63-159868 JP. 07/21/1988
63-278082 JP. 11/21/1988
1-291268 JP. 11/21/1989

International Class

G03G 015/09

Foreign Application Priority Data

1993-07-16 JP

Abstract

A developing device, which has a developer carrying member forming a magnetic brush of a two-component developer and is capable of carrying out a development while it is not in contact with an electrostatic latent image retaining member, is improved so as to reproduce an image at a sufficient image density.