Construction machine

Land vehicles – Wheeled – Attachment

Reexamination Certificate

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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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patent: 6810979 (2004-11-01), Johansson et al.
patent: 2004/0173395 (2004-09-01), Arai et al.
patent: 2005/0188926 (2005-09-01), Kimura et al.
patent: 2009/0033058 (2009-02-01), VanderGriend et al.
patent: 6-24360 (1994-02-01), None
patent: 11-200415 (1999-07-01), None
patent: 2000-45332 (2000-02-01), None
patent: 2002-61222 (2002-02-01), None
patent: 2005-248505 (2005-09-01), None
Office Action issued Jul. 30, 2010, in Chinese Patent Application No. 200710141004.1, filed Aug. 13, 2007 (with English-language Translation).

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