To provide a tire-fitted suspension device, wherein, even when fitted with a tire having a sufficiently reduced weight, a specific vibration from the tire is prevented from transmitting to a vehicle body.SOLUTION: An elastic body 23c of a first rear side bush 23 has a kinetic spring constant smaller than a kinetic spring constant of an elastic body 25c of a second rear side bush 25, and a tire T satisfies the following formula: W/[{(R/2)-(r/2)}×3.14×H]≤1.8×10, where weight is W (kg), sectional width is H (mm), tire outer diameter is R (mm), and application rim diameter is r (mm).SELECTED DRAWING: Figure 2

    【課題】軽量化が充分に図られたタイヤを装着しても、タイヤからの特定の振動が車体に伝達するのを抑制する。【解決手段】第1リア側ブッシュ23の弾性体23cの動的ばね定数は、第2リア側ブッシュ25の弾性体25cの動的ばね定数より小さく、タイヤTは、重量をW(kg)、断面幅をH(mm)、タイヤ外径をR(mm)、および適用リム径をr(mm)としたときに、下記式を満たす。W/[{(R/2)2−(r/2)2}×3.14×H]≦1.8×10−7。【選択図】図2


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    Title :

    TIRE-FITTED SUSPENSION DEVICE


    Additional title:

    タイヤ付き懸架装置


    Contributors:

    Publication date :

    2019-06-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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