Bellows pump

- Iwaki Co., Ltd.
Description

FIG. 1 is a top, front perspective view of a bellows pump showing our new design;

FIG. 2 is a top, rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left side elevational view thereof; and

FIG. 8 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D123201 October 1940 Jackson
D221307 July 1971 Bills
3180566 April 1965 Murat et al.
4090818 May 23, 1978 Hope et al.
Patent History
Patent number: D300034
Type: Grant
Filed: Nov 24, 1986
Date of Patent: Feb 28, 1989
Assignee: Iwaki Co., Ltd.
Inventors: Norishige Hirakawa (Moroyama), Kazuhiko Sato (Kawagoe), Satoru Hagiwara (Saitama)
Primary Examiner: B. J. Bullock
Assistant Examiner: Brian N. Vinson
Attorney: Jordan B. Bierman
Application Number: 6/934,134
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)