Diaphragm pump

- The Aro Corporation
Description

FIG. 1 is an isometric view showing the front top and left side of a diaphragm pump according to the present invention;

FIG. 2 is a front elevation view of a diaphragm pump according to the present invention;

FIG. 3 is a rear elevation view of a diaphragm pump according to the present invention;

FIG. 4 is a right elevation view of a diaphragm pump according to the present invention;

FIG. 5 is a left elevation view of a diaphragm pump according to the present invention;

FIG. 6 is a bottom view of a diaphragm pump according to the present invention; and,

FIG. 7 is a top view of a diaphragm pump according to the present invention .

Referenced Cited
U.S. Patent Documents
D275858 October 9, 1984 Wilden
D294946 March 29, 1988 Wilden
D294947 March 29, 1988 Wilden
D331412 December 1, 1992 Wilden
2679209 May 1954 Fischer et al.
3791768 February 1974 Wanner
Patent History
Patent number: D370488
Type: Grant
Filed: Aug 28, 1995
Date of Patent: Jun 4, 1996
Assignee: The Aro Corporation (Bryan, OH)
Inventors: Nicholas Kozumplik, Jr. (Bryan, OH), Robert C. Elfers (Bryan, OH), Douglas D. Purdy (Bryan, OH)
Primary Examiner: Ralf Seifert
Attorney: Walter C. Vliet
Application Number: 0/43,171
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)