Developing unit for copying machine

- Ricoh Company, Ltd.
Description

FIG. 1 is a left front perspective view of a developing unit for copying machine showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D164263 August 1951 Reader
D272251 January 17, 1984 Yoshihama
D276916 December 25, 1984 Masaki
4218126 August 19, 1980 Takeichi
4219272 August 26, 1980 Bruckel
4277162 July 7, 1981 Kasahara
4386838 June 7, 1983 Hirabayashi
4432632 February 21, 1984 Yokota
4478507 October 23, 1984 Miyoshi
4530588 July 23, 1985 Kimura
4540268 September 10, 1985 Toyono
Patent History
Patent number: D286542
Type: Grant
Filed: Sep 7, 1984
Date of Patent: Nov 4, 1986
Assignee: Ricoh Company, Ltd.
Inventor: Takeshi Saito (Chiba)
Primary Examiner: Nelson C. Holtje
Attorney: Guy W. Shoup
Application Number: 6/648,713
Classifications
Current U.S. Class: D16/32; D16/27