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    • 5. 发明授权
    • Rolling bearing cage
    • 滚动轴承保持架
    • US06261005B1
    • 2001-07-17
    • US09452077
    • 1999-11-30
    • Manfred WinklerHerbert ZettnerHerbert RostWalter WildeshausErwin StaudigelTino Beck
    • Manfred WinklerHerbert ZettnerHerbert RostWalter WildeshausErwin StaudigelTino Beck
    • F16C3346
    • F16C33/4694F16C19/46F16C33/4635F16C33/502
    • The invention concerns a rolling bearing cage (1, 21) made of a resilient plastic and comprising at at least one peripheral point, an axially extending gap (2) formed by a first cage end (4) and a second cage end (3) which is spaced from the first cage end (4), each of the first and the second cage ends (4, 3) comprising at least one projection and at least one recess, said recess and projection having complementary shapes, and as viewed in axial direction, the recess and the projection partially engage each other, and as viewed in peripheral direction, the recess and the projection partially overlap each other. The novel cage of the invention is characterized in that, as seen in a radial top view of the gap (2), limiting surfaces (9, 10) of the projection (5) and the recess (6) situated opposite each other in axial direction on two sides of the gap are inclined relative to end faces (17) of the cage (1, 21) so that a dovetail profile is formed which enables the two cage ends (3, 4) to be displaceable relative to each other in peripheral direction, so that an expansion of the cage (1, 21) is stopped when the limiting surfaces (9, 10) situated opposite each other in axial direction bear against each other and a compression of the cage is stopped when limiting surfaces (11, 12) of the projection (5) and the recess (6) situated opposite each other in peripheral direction bear against each other. In this way, a cage (1, 21) is created that allows almost no axial and no radial offset between the two ends (3, 4) of the cage but permits an exactly defined displacement of the cage ends (3, 4) in both peripheral directions.
    • 本发明涉及一种由弹性塑料制成的滚动轴承保持架(1,21),包括至少一个外围点,由第一保持架端(4)和第二笼端(3)形成的轴向延伸的间隙(2) 其与第一笼端部(4)间隔开,第一和第二笼端部(3,4)中的每一个包括至少一个突起和至少一个凹部,所述凹部和突起具有互补的形状,并且如在轴向 方向,凹部和突起部分地彼此接合,并且从周向方向看,凹部和突起部分地彼此重叠。 本发明的新型保持架的特征在于,如在间隙(2)的径向顶视图中看到的,突出部(5)和凹部(6)的限制表面(9,10)在轴向 间隙的两侧的方向相对于保持架(1,21)的端面(17)倾斜,使得形成燕尾形轮廓,使得两个保持架端部(3,4)能够相对于彼此位移 当沿轴向彼此相对定位的限制表面(9,10)彼此抵靠时,使限制表面(11)停止保持架的压缩,从而当保持架(1,21)的膨胀停止 突出部(5)的凹部(12)和凹部(6)彼此相对。 以这种方式,产生保持架(1,21),其允许在保持架的两个端部(3,4)之间几乎不产生轴向和没有径向偏移,但允许笼端部(3,4)的精确限定的位移 两个周边方向。