Developing unit for copying machine
Latest Ricoh Company, Ltd. Patents:
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
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