To improve a vibration absorption characteristic and an impact absorption characteristic.SOLUTION: A seat suspension mechanism 1 is set so that an operation angle of each link 131 and 132 of a first link mechanism 130 on a base frame 100 side holding an intermediate frame 300 is different from that of each link 231 and 232 of a second link mechanism 230 on a seat support frame 200 side, that is, each link 231 and 232 of the second link mechanism 230 is operated in a range of an angle closer to perpendicularity to a longitudinal direction of a vehicle body. Therefore, longitudinal motion of the seat support frame 200 through the second link mechanism 230 mainly corresponds to input vibration of longitudinal motion, so that a vibration absorption characteristic and an impact absorption characteristic in the longitudinal direction can be improved.SELECTED DRAWING: Figure 3

    【課題】振動吸収特性、衝撃吸収特性を向上させる。【解決手段】本発明のシートサスペンション機構1は、中間フレーム300を挟んだベースフレーム100側の第1リンク機構130の各リンク131,132と、シート支持フレーム200側の第2リンク機構230の各リンク231,232の動作角度が異なるように、すなわち、第2リンク機構230の各リンク231,232の方が、車体の前後方向に対してより垂直に近い角度の範囲で動作する設定となっている。このため、前後運動の入力振動に対して、第2リンク機構230を介したシート支持フレーム200の前後運動が主として対応し、前後方向の振動吸収特性及び衝撃吸収特性を向上させることができる。【選択図】 図3


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    Title :

    SEAT SUSPENSION MECHANISM


    Additional title:

    シートサスペンション機構


    Contributors:

    Publication date :

    2021-04-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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