To provide a structure which enables reduction of slide resistance acting on a screw.SOLUTION: A seat rail device is provided with: a front bracket 70 fixed to an upper rail 30 and formed with an insertion hole 72a in which a screw 40 is inserted on its outer peripheral surface 41a; a bearing 91 disposed between an inner peripheral surface of the insertion hole 72a and the outer peripheral surface 41a; a rear bracket 80 which is fixed to the upper rail 30 and formed with an insertion hole 81a in which the screw 40 is inserted on its outer peripheral surface 42a; and a bearing 92 disposed between an inner peripheral surface of the insertion hole 81a and the outer peripheral surface 42a. In the bearing 91, an inner ring 91a is fixed to the outer peripheral surface 41a and an outer ring 91b is fixed to the inner peripheral surface of the insertion hole 72a. In the bearing 92, an inner ring 92a is fixed to the outer peripheral surface 42a and the outer ring 92b is fixed to an inner peripheral surface of the insertion hole 81a.SELECTED DRAWING: Figure 3

    【課題】スクリューネジに作用する摺動抵抗を低減し得る構成を提供する。【解決手段】アッパーレール30に固定されてスクリューネジ40が外周面41aにて挿通する挿通穴72aが形成される前側ブラケット70と、挿通穴72aの内周面と外周面41aとの間に介在するベアリング91と、が設けられる。また、アッパーレール30に固定されてスクリューネジ40が外周面42aにて挿通する挿通穴81aが形成される後側ブラケット80と、挿通穴81aの内周面と外周面42aとの間に介在するベアリング92と、が設けられる。そして、ベアリング91は、内輪91aが外周面41aに固定されるとともに外輪91bが挿通穴72aの内周面に固定され、ベアリング92は、内輪92aが外周面42aに固定されるとともに外輪92bが挿通穴81aの内周面に固定される。【選択図】図3


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    Title :

    SEAT RAIL DEVICE


    Additional title:

    シートレール装置


    Contributors:

    Publication date :

    2021-06-24


    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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