Working machine and maintenance method thereof
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United States of America Patent
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Aug 29, 2017
Grant Date -
Nov 27, 2014
app pub date -
Apr 29, 2014
filing date -
May 27, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a working machine including a device to be maintained and a winch disposed thereover and enabling a maintenance operation. The working machine includes a base machine, at least one device to be maintained installed at the base machine, and a winch which is driven to wind an operation rope. The winch is attached to the base machine to be pivotable, about a winch support shaft, between a use position at which the winch is used while closing at least a part of a maintenance space over the device to be maintained and a maintenance position at which the winch opens the maintenance space upward to enable the maintenance operation to be performed.
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