To provide a trailer support device to be attached to a towed vehicle, the trailer support device comprising a support leg which is compactly stored within a range of a trailer width when the support leg is stored, and which can support a front end side of a trailer outside the trailer width.SOLUTION: A trailer support device comprises: an air cylinder 12; a cylindrical center clutch 5 disposed on a turning shaft 4; a shaft bearing 7; a support leg 2; a rotation stopper 8; and a groove cam 6 and a cam follower 20 on an outer peripheral surface of the turning shaft 4. The center clutch 5 and the rotation stopper 8 have a fitting clutch function including a member formed of a plurality of irregular portions that can be mutually engaged and separated. The cam follower 20 and the groove cam 6 are engaged to each other and moved by tracking the turning shaft 4 using air cylinder drive, thus the support leg 2 coupled to the turning shaft 4 is configured to be slidable and rotatable.SELECTED DRAWING: Figure 2

    【課題】被牽引車に取り付けるトレーラ支持装置において、支持脚の格納時はトレーラ幅の範囲内にコンパクトに収め、支持脚の使用時はトレーラ幅の外側でトレーラの前端側を支持することができる支持脚を備えたトレーラ支持装置を提供する。【解決手段】エアーシリンダ12と、回動軸4に備える円筒形状のセンタークラッチ5と、軸受7と、支持脚2と、回転止め8とを有し、回動軸4の外周面に溝カム6とカムフォロア20を備え、センタークラッチ5と回転止め8が、互いに係合・分離できる複数の凹凸部で形成された部材を備えた嵌め合いクラッチ機能を有し、カムフォロア20と溝カム6を係合させてエアーシリンダ駆動により回動軸4を追従して運動させることにより、回動軸4に連結した支持脚2をスライド・回動可能とさせたことを特徴とするトレーラ支持装置である。【選択図】図2


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    Title :

    TRAILER SUPPORT DEVICE COMPRISING TURNING WIDENING SUPPORT LEG


    Additional title:

    回動式拡幅支持脚を備えるトレーラ支持装置


    Contributors:

    Publication date :

    2019-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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