To provide a seat lifter capable of reducing an amount of outward projection of a planetary gear mechanism and a drive unit in a width direction of a vehicle.SOLUTION: A swivel seat includes a base plate 100, a seat body 200, a rotary plate 300, and a connecting unit 400. The connecting unit 400 includes a link 410, a rail 450, and a slider 460. The link 410 has a fixed end 411 and a rotary end 412. The rail 450 has a radius having a length two times greater than a distance between the fixed end and the rotary end and a shape linearly extending along a diameter of an imaginary circle on which the fixed end is centered. The slider 460 moves a portion of the rotary plate, which is separated from a portion fixed to the rotary end, along the slider 450 while relatively rotating the portion with respect to the slider 460.SELECTED DRAWING: Figure 3

    【課題】遊星歯車機構及び駆動部の車両の幅方向における外側への突出量を低減可能なシートリフタを提供すること。【解決手段】回転シートは、ベースプレート100と、シート本体200と、回転プレート300と、連結ユニット400と、を備える。連結ユニット400は、リンク410と、レール450と、スライダ460と、を有する。リンク410は、固定端部411と回転端部412とを有する。レール450は、固定端部及び回転端部間の距離の2倍の長さを半径とし、かつ、固定端部を中心とする仮想円の直径に沿って直線状に延びる形状を有する。スライダ460は、回転プレートのうち回転端部と固定された部位から離間した部位を、スライダ460に対して相対回転させつつスライダ450に沿って移動させる。【選択図】図3


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    Title :

    SWIVEL SEAT


    Additional title:

    回転シート


    Contributors:
    OKAMOTO HISAYA (author) / ITO SADAO (author)

    Publication date :

    2022-05-25


    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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