| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel cap for easily adjusting a position in installation, and being not installed in an oil filler port in an incorrect fastening state. SOLUTION: This fuel cap is fastened to the oil filler port by engaging with an engaging part by rotating after inserting a plurality of locking pieces arranged in the fuel cap into cutout parts in the axial direction, by arranging a plurality of cutout parts on a seal surface in a radial shape with the axis as the center, by arranging the seal surface having a vertical surface to the axis of an oil feeding cylinder on the oil filler port peripheral edge of the oil feeding cylinder projected in a tank body, and has an outer cover and a cap spring extending in the radial direction, arranged in a position corresponding to the plurality of cutout parts and engaging with the oil filler port by the plurality of locking pieces with energizing force. The plurality of locking pieces are formed in the same in a width in the respective circumferential directions, and the fuel cap is constituted by arranging a vertical locking piece projected in the installation direction to the oil filler port in any one of the peripheral directional side edge of a locking piece tip part. COPYRIGHT: (C)2009,JPO&INPIT
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