Air motor dual piston design

- Ingersoll-Rand Company
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Description

FIG. 1 is a perspective view of an air motor dual piston design according to the present invention;

FIG. 2 is a front elevation view of the air motor dual piston design the rear view being a mirror image thereof;

FIG. 3 is a top plan view of the air motor dual piston design the bottom view being a mirror image thereof;

FIG. 4 is a left end elevation view of the air motor dual piston design; and,

FIG. 5 is a right end elevation view of the air motor dual piston design.

Referenced Cited
U.S. Patent Documents
968702 August 1910 Sears
1530539 March 1925 Bernhard
2067819 January 1937 Bell
2283886 May 1942 Henkell
4850313 July 25, 1989 Gibbons
Patent History
Patent number: D375504
Type: Grant
Filed: Jan 16, 1996
Date of Patent: Nov 12, 1996
Assignee: Ingersoll-Rand Company (Woodcliff Lake, NJ)
Inventor: Leslie J. Sell (Bothell, WA)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Frank Martinez
Attorney: Walter C. Vliet
Application Number: 0/48,955
Classifications
Current U.S. Class: Element Or Attachment (D15/5)