PROBLEM TO BE SOLVED: To reduce occurrence of noise and striking sound due to a wedge effect occurring on a thread face of a slide portion between a feed screw shaft and a feed nut.SOLUTION: A telescopic actuator includes: a feed screw mechanism 48 comprising a male screw member 112 and a female screw member 114; an elastic coupling 46 transmitting output of a motor 42 to the feed screw mechanism 48; an output rod 32 displaced by the feed screw mechanism 48; a claw part 85 of a carrier 78 projecting toward the side of the feed screw mechanism 48; and a claw part 100 of an input flange 86 projecting toward the side of the carrier 78 and arranged in a circumferential direction at a position different from that of the claw part 85. The elastic coupling 46 is arranged between the claw part 85 and the claw part 100, and has: an arm part 46b provided in an elastically deformable manner; a projection part 96 provided in the arm part 46b and projecting toward the side of the carrier 78; and an elastic projection part 200 pressing the projection part 96 from the side of the feed screw mechanism 48 toward the side of the carrier 78.SELECTED DRAWING: Figure 3

    【課題】送りねじ軸と送りナットとの摺動部位のねじ面に発生するくさび効果による異音や打音の発生を低減すること。【解決手段】雄ねじ部材112と雌ねじ部材114とからなる送りねじ機構48と、モータ42の出力を送りねじ機構48に伝達する弾性カップリング46と、送りねじ機構48によって変位する出力ロッド32とを有し、送りねじ機構48側に向かって突出するキャリア78の爪部85と、キャリア78側に向かって突出し爪部85と周方向で重なる位置に配置される入力フランジ86の爪部100とを備え、弾性カップリング46は、爪部85と爪部100との間に配置され、弾性変形可能に設けられる腕部46bと、腕部46bに設けられてキャリア78側に向かって突出する突出部96と、送りねじ機構48側からキャリア78側に向かって突出部96を押圧する弾性突起部200とを有する。【選択図】図3


    Access

    Download


    Export, share and cite



    Title :

    TELESCOPIC ACTUATOR


    Additional title:

    伸縮アクチュエータ


    Contributors:

    Publication date :

    2016-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



    TELESCOPIC ACTUATOR

    TOMIOKA KAZUTAKA | European Patent Office | 2016

    Free access

    TELESCOPIC ACTUATOR

    WATANABE KATSUJI | European Patent Office | 2016

    Free access

    TELESCOPIC ACTUATOR

    WATANABE KATSUJI | European Patent Office | 2015

    Free access

    TELESCOPIC ACTUATOR

    WATANABE KATSUJI | European Patent Office | 2015

    Free access

    TELESCOPIC ACTUATOR

    TOMIOKA KAZUTAKA | European Patent Office | 2016

    Free access