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    • 5. 发明申请
    • Stamped inner or outer races
    • 冲压的内部或外部种族
    • US20090148090A1
    • 2009-06-11
    • US12315340
    • 2008-12-02
    • Nathan Daniel Hudson
    • Nathan Daniel Hudson
    • F16C33/64B21K1/04
    • F16C33/64B21D53/10F16C33/588Y10T29/49689
    • An inner race or and outer race, including: a first annular portion with a first radial surface at a first end of the race; and a second annular portion formed from a same piece of material as the first portion, at least partially in contact with the first portion, the second portion having a second radial surface at the first end of the race, the second radial surface separate from the first radial surface at the first end of the race. In one embodiment, the first and second radial surfaces are substantially orthogonal to a longitudinal axis for the race. The inner race includes a third annular portion disposed at a second end of the race, opposite the first end, and formed from the same piece of material. The first and second annular portions extend from the third annular portion to the first end of the race.
    • 内圈或外圈,包括:第一环形部分,其具有位于所述座圈的第一端的第一径向表面; 以及第二环形部分,其由与所述第一部分相同的材料构成,至少部分地与所述第一部分接触,所述第二部分在所述座圈的第一端处具有第二径向表面,所述第二径向表面与所述第二部分分离, 第一径向表面在比赛的第一端。 在一个实施例中,第一和第二径向表面基本上垂直于用于赛跑的纵向轴线。 所述内圈包括设置在所述座圈的与所述第一端相对的第二端处的第三环形部分,并且由相同的材料片形成。 第一和第二环形部分从第三环形部分延伸到座圈的第一端。