PROBLEM TO BE SOLVED: To enable downsizing of an attachment portion between a main frame and a rear frame and securely support a seat.SOLUTION: A vehicle body frame structure of a saddle-riding type vehicle includes a main frame 18 formed by connecting a main tube 22 extending from a head pipe supporting a front wheel through a front fork to the rear downward side with a pivot frame 23 supporting a rear fork at its rear end part. The vehicle body frame structure includes a rear frame 16 which is formed by a fiber-reinforced resin and supports a seat at the rear side of the main frame 18. The rear frame 16 includes: an upper attachment part 79 attached to the main frame 18; a pair of right and left upper side parts 73 linearly extending rearward from the upper attachment part 79; and a cross member 74 connecting with the upper side parts 73 at its left and right sides. The cross member 74 includes an expanding part 100 expanding upward further than the upper side parts 73.SELECTED DRAWING: Figure 4

    【課題】メインフレームとリアフレームとの取付部分を小型化でき、且つ、シートを良好に支持できるようにする。【解決手段】前輪をフロントフォークを介して支持するヘッドパイプから後下方へ延びるメインチューブ22とリアフォークをその後端部に支持するピボットフレーム23とが連結されたメインフレーム18を備え、繊維強化樹脂からなりシートを支持するリアフレーム16をメインフレーム18の後方に備えた鞍乗り型車両の車体フレーム構造において、リアフレーム16は、メインフレーム18に取り付けられる上側取付部79と、上側取付部79から直線的に後方へ延びる左右一対のアッパーサイド部73と、アッパーサイド部73を左右に連結するクロス部材74とを備え、クロス部材74は、アッパーサイド部73よりも上方へ膨出する膨出部100を備えた。【選択図】図4


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    Title :

    VEHICLE BODY FRAME STRUCTURE OF SADDLE-RIDING TYPE VEHICLE


    Additional title:

    鞍乗り型車両の車体フレーム構造


    Contributors:

    Publication date :

    2018-03-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62K Fahrräder , CYCLES / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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