PROBLEM TO BE SOLVED: To provide an actuator which is mounted on a vehicle seat including a driven part and can inhibit increase of a weight of the vehicle seat and manufacturing costs.SOLUTION: An actuator includes: a fixed part 80; a movable part 81 which is provided so as to move relative to the fixed part 80; a bag body 83 which is disposed between the fixed part 80 and the movable part 81 and can expand and contract; and a connection part 84 which is connected to one end of a driven part 65 and the movable part 81 and moves the driven part 65 in conjunction with expansion and contraction of the bag body 84. The bag body 83 is formed so as to be deformed in an expansion manner by a gas being supplied to its interior part. The bag body 83 is deformed in the expansion manner to move the movable part 81 relative to the fixed part 80. The movable part 81 moves relative to the fixed part 80 to cause the connection member 84 to move the driven part 65.SELECTED DRAWING: Figure 7

    【課題】被駆動部を備えた乗物用シートに搭載されるアクチュエータにおいて、搭載される乗物用シートの重量が重たくなることを抑制することができると共に製造コストが高くなることを抑制することができるアクチュエータを提供する。【解決手段】アクチュエータは、固定部80と、固定部80に対して相対的に移動可能に設けられた可動部81と、固定部80と可動部81との間に配置された膨縮可能な袋体83と、被駆動部65の一端と可動部81とに接続されると共に、袋体84の膨縮に伴って被駆動部65を動かす接続部材84とを備える。袋体83は、内部に気体が供給されることで膨らむように変形するように形成されており、袋体83が膨らむように変形することで可動部81は固定部80に対して移動し、可動部81が固定部80に対して移動することで接続部材84が被駆動部65を動かす。【選択図】図7


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    Title :

    ACTUATOR AND VEHICLE SEAT


    Additional title:

    アクチュエータおよび乗物用シート


    Contributors:

    Publication date :

    2018-09-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / A47C Stühle , CHAIRS



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