| 摘要 |
PROBLEM TO BE SOLVED: To provide a floor structure of a motorcycle can efficiently absorb vibration of an engine and a vehicle transmitted to a floor mat with a simple constitution. SOLUTION: This floor structure includes a step plate 45 fixed to a vehicle body frame 20 (26), the flexible floor mat 80 laid on an upper surface of the step plate 45, and a vibration control material 90 arranged between the step plate 45 and the floor mat 80. The vibration control material 90 is arranged on a reverse surface of the floor mat 80, and includes a plurality of two kinds or more of vibration control projections 91 and 92 different in hardness. The hardness of the vibration control projections 91 and 92 is set by changing the projection length X1 and X2 of the vibration control projections 91 and 92. COPYRIGHT: (C)2010,JPO&INPIT
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