Hydraulic excavator

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FIG. 1 is a front, top and left side perspective view of a hydraulic excavator showing our new 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;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged view of grill portion thereof of the part partitioned by A-A and B-B in FIG. 2; and,

FIG. 9 is a cross-sectional view of grill portion thereof taken along line C-C in FIG. 8.

Each approximate hexagon showing in FIG. 8 is opening. Each grill portion's openings pattern unit is same way as shown in FIG. 8 and FIG. 9.


We claim the ornamental design for a hydraulic excavator, as shown and described.

Referenced Cited
U.S. Patent Documents
4397481 August 9, 1983 Dion et al.
D271396 November 15, 1983 Inui
5544435 August 13, 1996 Somero
5590482 January 7, 1997 Peterson et al.
D391272 February 24, 1998 Jin et al.
D409629 May 11, 1999 Miyaoka et al.
D437602 February 13, 2001 Hiraoka et al.
D460975 July 30, 2002 Yanagida et al.
D462973 September 17, 2002 Tamaru et al.
D462974 September 17, 2002 Yanagida et al.
D534552 January 2, 2007 Yanagida
Foreign Patent Documents
D 1371360 October 2009 JP
D 30-0410389 March 2006 KR
Patent History
Patent number: D658211
Type: Grant
Filed: Sep 22, 2011
Date of Patent: Apr 24, 2012
Assignee: Hitachi Construction Machinery Co., Ltd. (Tokyo)
Inventors: Kazuhiko Hiraoka (Kodaira), Tamio Kobayashi (Kasama), Hiroyuki Isobe (Tsuchiura), Tsuyoshi Shimizu (Kasumigaura)
Primary Examiner: Mark Goodwin
Attorney: Antonelli, Terry, Stout & Kraus, LLP.
Application Number: 29/402,238
Current U.S. Class: With Scoop Or Blade (D15/25)