| 摘要 |
PROBLEM TO BE SOLVED: To provide a pedal operation device of a working machine, with a simple structure, by facilitating operation by preventing a stepping error, by easily expanding a clearance between adjacent pedals of a plurality of operation pedals arranged in parallel. SOLUTION: The plurality of operation pedals P1 to P4 juxtaposed in the lateral direction on a front floor 20 of an operation seat 16 of the pedal operation device 22, include operation pedals P1 and P2 having an expanding-contracting part K capable of freely expanding and contracting a lateral width W of a pedal tread T. COPYRIGHT: (C)2008,JPO&INPIT
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