Piston and shoe assembly for a hydraulic piston pump

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Description

FIG. 1 is a perspective view of a piston and shoe assembly for a hydraulic piston pump showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a piston and shoe assembly for a hydraulic piston pump, as shown and described.

Referenced Cited
U.S. Patent Documents
2649842 August 1953 Caldwell et al.
D326910 June 9, 1992 di Palma et al.
D371562 July 9, 1996 Rushfeldt
D454888 March 26, 2002 Tsunoda
D461827 August 20, 2002 Koebbe
D472558 April 1, 2003 MacPherson et al.
D540349 April 10, 2007 Waki
D583389 December 23, 2008 Bilger
D589984 April 7, 2009 Roesler
Patent History
Patent number: D624561
Type: Grant
Filed: Dec 24, 2008
Date of Patent: Sep 28, 2010
Inventor: Li-Fu Yu (Caotun Town, Nantou County)
Primary Examiner: Ralf Seifert
Attorney: Kamrath & Associates PA
Application Number: 29/329,983
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)