To secure adequate engagement of a pinion gear with a sector gear.SOLUTION: In a seat height adjustment mechanism 10 for a vehicle which adjusts height of a seat for the vehicle, a first plurality of tooth 78 and a second plurality of tooth 80 are formed on the sector gear 70 in opposed condition. Then, the pinion gear 72 and the first plurality tooth 78 engage with each other and the pinion gear 72 and the support gear 74 engage with each other in such a condition that the support gear 74 and the second plurality of tooth 80 engage with each other. That is to say, the pinion gear 72 and the first plurality of tooth 78 engage with each other and the support gear 74 and the second plurality of tooth 80 engage with each other in such a condition that the pinion gear 72 and the support gear 74 engaging with each other are held by the first plurality of tooth 78 and the second plurality of tooth 80. Thereby, adequate engagement of the pinion gear 72 with the sector gear 70 is secured.SELECTED DRAWING: Figure 2

    【課題】ピニオンギアとセクタギアとの適切な噛合を担保する。【解決手段】車両用シートの高さを調整する車両用シート高さ調整機構10において、セクタギア70に、第1の複数の歯78と第2の複数の歯80とが、対向した状態で形成されている。そして、ピニオンギア72と第1の複数の歯78とが噛合し、サポートギア74と第2の複数の歯80とが噛合した状態で、ピニオンギア72とサポートギア74とが噛合している。つまり、互いに噛合するピニオンギア72とサポートギア74とが、第1の複数の歯78と第2の複数の歯80とにより挟持された状態で、ピニオンギア72と第1の複数の歯78とが噛合し、サポートギア74と第2の複数の歯80とが噛合する。これにより、ピニオンギア72とセクタギア70との適切な噛合が担保される。【選択図】図2


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    Title :

    SEAT HEIGHT ADJUSTMENT MECHANISM


    Additional title:

    シート高さ調整機構


    Contributors:
    FUJII YUTA (author)

    Publication date :

    2019-12-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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