To suppress the wear of a boot.SOLUTION: A boot 5 is constituted of: a first bellows part 53A in which a protrusion 53Aa and a recess 53Ab are alternately continued up to and end of a ball joint 3 from a housing 10 in a neutral position of a rack 88b; a second bellows part 53B in which a protrusion 53Ba and a recess 53Bb are alternately continued toward the ball joint 3 side from a tie rod 89; and a third bellows part 53c in which a protrusion 53Ca and a recess 53Cb are alternately continued toward the tie rod 89 side from the end of the ball joint 3 so as to connect the first bellows part 53A and the second bellows part 53B to each other. In the third bellows part 53C, a pitch PC between the protrusion 53Ca and the recess 53Cb is formed shorter than those of the first bellows part 53A and the second bellows part 53B.SELECTED DRAWING: Figure 3
【課題】ブーツの摩耗を抑制すること。【解決手段】ブーツ5は、ラック88bの中立位置において、ハウジング10からボールジョイント3の端まで凸部53Aaと凹部53Abが交互に連なる第一蛇腹部53Aと、タイロッド89からボールジョイント3側に向けて凸部53Baと凹部53Bbが交互に連なる第二蛇腹部53Bと、第一蛇腹部53Aと第二蛇腹部53Bとを接続するようにボールジョイント3の端からタイロッド89側に向けて凸部53Caと凹部53Cbが交互に連なる第三蛇腹部53Cと、で構成されており、第三蛇腹部53Cが、第一蛇腹部53A及び第二蛇腹部53Bよりも凸部53Caと凹部53Cbの間のピッチPCが短く形成されている。【選択図】図3
STEERING DEVICE
ステアリング装置
2020-01-16
Patent
Elektronische Ressource
Japanisch
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