PROBLEM TO BE SOLVED: To provide a planetary roller screw type linear motion mechanism of which assembly work can be easily performed.SOLUTION: This invention relates to a planetary roller screw type linear motion mechanism comprising: several planetary rollers 12 arranged between an inner periphery of an outer ring member 5 and an outer periphery of a rotating shaft 8; several supporting pins 13 for supporting each of the several planetary rollers 12 in auto-rotation manner; and a carrier 14 formed with several pin holding holes 45 for storing each of outer side end parts 44 of several supporting pins 13. Inner surfaces of the several pin holding holes 45 are contacted with outer side end parts 44 of each of the supporting pins 13 on a circle commonly contacted outside with the outer side end parts 44 of each of the supporting pins 13 around a center of the rotating shaft 8 in such a way that a radial clearance 47 allowing the outer side end parts 44 of each of the supporting pins 13 to move outward in a radial direction of the rotating shaft 8 may become zero.SELECTED DRAWING: Figure 2

    【課題】組み立てが容易な遊星ローラねじ式直動機構を提供する。【解決手段】外輪部材5の内周と回転軸8の外周との間に配置された複数の遊星ローラ12と、複数の遊星ローラ12をそれぞれ自転可能に支持する複数の支持ピン13と、複数の支持ピン13のアウタ側端部44をそれぞれ収容する複数のピン保持穴45が形成されたキャリヤ14とを有する遊星ローラねじ式直動機構において、複数のピン保持穴45の内面は、各支持ピン13のアウタ側端部44が回転軸8の径方向の外方に移動するのを許容する径方向隙間47がゼロとなるように、回転軸8を中心として各支持ピン13のアウタ側端部44に共通して外接する円上で各支持ピン13のアウタ側端部44に接触している。【選択図】図2


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    Title :

    PLANETARY ROLLER SCREW TYPE LINEAR MOTION MECHANISM AND ELECTRIC BRAKE DEVICE


    Additional title:

    遊星ローラねじ式直動機構および電動ブレーキ装置


    Contributors:

    Publication date :

    2017-09-14


    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 / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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