To employ a mechanical system not requiring electric power and to unnecessitate a large torque in releasing a lock.SOLUTION: A lock mechanism 38 includes a casing 46 secured to a housing of a telescopic actuator, an input-side shaft 48 connected to a motor shaft of a motor and rotatably held in the casing 46, an output-side shaft 50 to which rotational torque is transmitted from the input-side shaft 48, and an engaging part 52. The engaging part 52 includes a pair of friction members 64, 64 displaceably provided along a guide groove 68, a claw part 60 having an acute shape in cross section and a side end part 58 which are provided on the input-side shaft 48, an abutting part 72 provided on each friction member 64, and a coil spring 70 for urging each friction member 64.SELECTED DRAWING: Figure 3

    【課題】電力を不要としたメカ式を採用すると共に、ロック解除時に大きなトルクを不要とすること。【解決手段】ロック機構38は、伸縮アクチュエータのハウジングに固定されるケーシング46と、モータのモータ軸に連結され、ケーシング46内に回転可能に保持された入力側シャフトと、入力側シャフトの回転トルクが伝達される出力側シャフト50と、係止部52とを備え、係止部52は、ガイド溝68に沿って変位可能に設けられた一対のフリクション部材64、64と、入力側シャフト48に設けられた断面鋭角状爪部60及び側端部58と、フリクション部材64に設けられた当接部72と、各フリクション部材64を付勢するコイルスプリング70とを有する。【選択図】図3


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    Title :

    LOCK MECHANISM OF ACTUATOR


    Additional title:

    アクチュエータのロック機構


    Contributors:

    Publication date :

    2019-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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



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