Automatic developer exchanging device for a photocopier

- Canon
Description

FIG. 1 is a front elevational view of an automatic exchanging device for developer for photo-copier showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a right, front and top perspective view thereof, the broken line showing a photocopier is environmental only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D221694 August 1971 Gilson et al.
D225572 December 1972 Knodt et al.
D227034 May 1973 Derby et al.
D281699 December 10, 1985 Fukuda
D289904 May 19, 1987 Hofland
D295531 May 3, 1988 Akiyama
Foreign Patent Documents
0220181 September 1988 JPX
0220266 September 1988 JPX
Patent History
Patent number: D316725
Type: Grant
Filed: Oct 19, 1988
Date of Patent: May 7, 1991
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventors: Minoru Aoyama (Tokyo), Takeshi Komada (Yokohama)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/259,621
Classifications