To prevent breakage caused by excess operation, in a parking lock release unit.SOLUTION: A parking lock release unit includes a base member 12, a transmission member 17 having an inner end housed inside of the base member displaceably in an axial direction and rotatably, and engaged with an outer end of a release shaft in a manner of relatively displaceably in the axial direction and not relatively rotatable thereto, and an outer end including a male screw 61, an operation member 15 supported by the outer end of the base member in a manner that it can be coaxially rotated and cannot be detached to an outer part, and including a female screw 54 engaged with the male screw of the transmission member, and a cam mechanism 19 converting an axial motion of the transmission member into a rotary motion. The female screw of the operation member and the male screw of the transmission member are constituted so that engagement of the female screw of the operation member and the male screw of the transmission member is released when a release shaft is located on a release position.SELECTED DRAWING: Figure 5

    【課題】パーキングロック解除ユニットにおいて、過剰な操作による破損を防止する。【解決手段】ベース部材12と、ベース部材の内部に軸線方向に変位可能に、かつ回転可能に受容され、解除シャフトの外端に軸線方向に相対変位可能に、かつ相対回転不能に係合する内端と、雄ねじ61を備えた外端とを有する伝達部材17と、ベース部材の外端に、同軸的に回転可能に、かつ外方に離脱不能に支持され、伝達部材の雄ねじに螺合する雌ねじ54を備えた操作部材15と、伝達部材の軸線方向の運動を回転運動に変換するカム機構19とを有し、解除シャフトが解除位置にあるときに操作部材の雌ねじと伝達部材の雄ねじとの螺合が解除されるように、操作部材の雌ねじ及び伝達部材の雄ねじが構成されている。【選択図】 図5


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    Title :

    PARKING LOCK RELEASE UNIT


    Additional title:

    パーキングロック解除ユニット


    Contributors:

    Publication date :

    2019-09-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16H Getriebe , GEARING / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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