Diaphragm pump

- The ARO Corporation

FIG. 1 is a front view of a diaphragm pump showing our design;

FIG. 2 is a left side view;

FIG. 3 is a right side view;

FIG. 4 is a top view; and,

FIG. 5 is a bottom view.

The back view is identical to the front view.

The broken line showing of four sets of circles in FIG. 2, two sets of circles in FIG. 3 and their corresponding side views in FIGS. 1, 4 and 5 as well as the mounting slots in FIGS. 2, 3, and 5 are for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D294947 March 29, 1988 Wilden
D306447 March 6, 1990 Whitley II
D335292 May 4, 1993 Schnell
3782863 November 1974 Rupp
3849033 November 1974 Schan
Patent History
Patent number: D347639
Type: Grant
Filed: Oct 13, 1992
Date of Patent: Jun 7, 1994
Assignee: The ARO Corporation (Bryan, OH)
Inventors: Kelly Fast (Bryan, OH), John R. Shafer (Archibold, OH), Thomas E. Burton (Bryan, OH)
Primary Examiner: A. Hugo Word
Assistant Examiner: R. Seifert
Attorney: Walter C. Vliet
Application Number: 0/278
Current U.S. Class: Pump Or Compressor (D15/7)