Land vehicles – Wheeled – Attachment
Reexamination Certificate
2011-08-30
2011-08-30
Vanaman, Frank B (Department: 3618)
Land vehicles
Wheeled
Attachment
C180S068100
Reexamination Certificate
active
08006991
ABSTRACT:
In a hydraulic excavator, in a rear part of an upper rotating body mounted on a lower traveling body is disposed an engine room, and in a front surface of a partition wall for partitioning the front surface side of the engine room from the exterior is provided a step serving as a foothold for opening and closing a bonnet and performing maintenance work. On the lower side of the step, a duct for exhausting the air within the engine room to the exterior is formed in a state that the step serves as an upper surface wall of the duct.
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Office Action issued Jul. 30, 2010, in Chinese Patent Application No. 200710141004.1, filed Aug. 13, 2007 (with English-language Translation).
Taniuchi Tomoya
Yonezawa Koji
Kobelco Construction Machinery Co., Ltd.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Vanaman Frank B
LandOfFree
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