To provide an agitation member capable of improving lubrication efficiency of grease.SOLUTION: In order to lubricate an inner hub bearing 14 and an outer hub bearing 16 interposed between a hub 18 and a spindle 12 of an axle 10, an agitation member 40 agitates grease 22 provided in a space 20 between the hub 18 and the spindle 1 and between the inner hub bearing 14 and the outer hub bearing 16. The agitation member comprises a mounting part 42 that fixes the agitation member to the outer periphery of the spindle 12, and an agitation part 44 that protrudes from the mounting part 42 into the space 20 in a radial direction. The agitation part 44 has a substantially triangular cross-section that is tapered in a direction opposite to a rotation direction of the hub 18.SELECTED DRAWING: Figure 1
【課題】グリースの潤滑効率を向上させることができる攪拌部材を提供する。【解決手段】車軸10のハブ18とスピンドル12との間に介在するインナーハブベアリング14及びアウターハブベアリング16を潤滑させるために、ハブ18とスピンドル1との間且つインナーハブベアリング14とアウターハブベアリング16との間の空間20内に装備されたグリース22を攪拌する攪拌部材40であって、スピンドル12の外周に固定するための取付部42と、取付部42から放射方向の空間20内に突出した攪拌部44とを備え、攪拌部44は、横断面がハブ18の回転方向と逆向きに先細りになる略三角形状である。【選択図】図1
AGITATION MEMBER
攪拌部材
2023-01-18
Patent
Electronic Resource
Japanese
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