CRAWLER CONSTRUCTION MACHINERY

摘要

PROBLEM TO BE SOLVED: To provide construction machinery capable of increasing a view from an operator's seat by solving a problem that the working state of a bucket fitted to the front end of a working machine is difficult to observe from the operator's seat by blind spots formed by the pivot parts of the working machine and the front end of a crawler running device when an excavating operation is performed by the working machine in a standard back hoe and a back hoe with small rear turning radius. SOLUTION: A seat lifting mechanism capable of raising an operating seat to a specified position is installed in the operating seat of a swing working vehicle. COPYRIGHT: (C)2003,JPO