Diaphragm pump

- Warren Rupp, Inc.
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Description

FIG. 1 is a front perspective of a diaphragm pump of this invention;

FIG. 2 is a front elevational view of the diaphragm pump of FIG. 1;

FIG. 3 is a rear elevational view of the diaphragm pump of FIG. 1;

FIG. 4 is a side view from the right side of FIG. 1 of the diaphragm pump of this invention;

FIG. 5 is a view similar to FIG. 4, from the opposite side thereof;

FIG. 6 is a top plan view of the diaphragm pump of FIG. 1;

FIG. 7 is a bottom plan view of the diaphragm pump of FIG. 1; and,

FIG. 8 is a front perspective view of a second embodiment of the diaphragm pump of this invention.

Referenced Cited
U.S. Patent Documents
D275858 October 9, 1984 Wilden
D331412 December 1, 1992 Wilden
D370488 June 4, 1996 Kozumpik, Jr. et al.
D380218 June 24, 1997 McKee et al.
Other references
  • Brochure entitled "Quadraseal", promoted by Sonoco Capseals (2 pages). Catalog entitled "SandPIPER Spill Containment Group--Sealless Diaphragm Pumps", distributed by Warren Rupp (1995).
Patent History
Patent number: D400210
Type: Grant
Filed: May 29, 1997
Date of Patent: Oct 27, 1998
Assignee: Warren Rupp, Inc. (Mansfield, OH)
Inventors: Steven M. Reynolds (Lucas, OH), Brad Courson (Mansfield, OH), Mark Frye (Mansfield, OH), Greg Hughes (Mansfield, OH), Curt Young (Galion, OH), Ian Pratt (Shelby, OH)
Primary Examiner: Ralf Seifert
Law Firm: Hill & Simpson
Application Number: 0/71,447
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)
International Classification: 1502;