| 摘要 |
PROBLEM TO BE SOLVED: To provide a filler neck having a small axially perpendicular direction projection area in a neck main body, which can be integrally molded to achieve low cost. SOLUTION: In this filler neck 1, a feed gun is inserted when supplying oil, while excessive fuel vapor in a fuel tank is discharged. It is provided with the neck main body 2 having a feed port 20 opened on the upstream side, an inlet tube connection cylinder part 21 and a breather tube connection cylinder part 23 roughly parallel to the inlet tube connection cylinder part 21 on the downstream side, and a retainer 3 having a feed gun holding port 33 parting the upstream side and the downstream side from each other on the inner circumferential side of the neck main body 2 to communicate the feed port 20 with the inlet tube connection cylinder part 21, and hold the feed gun as it is inserted, and a vapor discharge port 34 communicating the feed port 20 with the breather tube connection cylinder 23 to let fuel vapor be discharged.
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