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    • 26. 发明授权
    • Bearing retainer for a sliding mechanism for use in a machine tool
    • 用于机床的滑动机构的轴承保持架
    • US5893647A
    • 1999-04-13
    • US971950
    • 1997-11-17
    • Masanori Mochizuki
    • Masanori Mochizuki
    • B29C45/44F16C29/04F16C33/46F16C43/08
    • F16C33/48B29C45/4407F16C29/04F16C33/4635F16C33/467F16C43/08B29L2031/045F16C2322/14
    • This invention provides a bearing retainer for a sliding mechanism for use in a machine tool, especially a press. The bearing retainer has a tubular or generally cylindrical retainer body. The retainer body has a plurality of supporting holes to support rollers. Tongue-like portions are formed at the edge portions of each supporting hole for preventing a roller from falling out of the supporting hole. Cavities are provided between the adjacent supporting holes. Each cavity permits the edge portion including the tongue-like portion to deform elastically in the direction that the aperture of each supporting hole will be enlarged on the outer side surface of the retainer body. Thus, when the outer mold has moved away from the inner mold during the injection molding process of the retainer the retainer can be obtained from a mold set without cracking or breaking the tongue-like portion of the retainer. In this way, the tongue-like portion can be molded on the outer side surface of the retainer by injection molding process. As a result of this, caulking process for forming the tongue-like portion is not required and manufacturing cost can be reduced.
    • 本发明提供一种用于机床,特别是压机中的滑动机构的轴承保持器。 轴承保持器具有管状或大致圆柱形的保持器本体。 保持器主体具有多个用于支撑辊的支撑孔。 舌状部分形成在每个支撑孔的边缘部分处,以防止辊从支撑孔中脱出。 在相邻的支撑孔之间设置有腔。 每个腔允许包括舌状部分的边缘部分沿着保持器主体的外侧表面上的每个支撑孔的孔将被扩大的方向弹性变形。 因此,当在保持器的注射成型过程中外部模具已经远离内部模具移动时,保持器可以从模具组件获得而不会破裂或破坏保持器的舌状部分。 以这种方式,舌状部分可以通过注射成型工艺在保持器的外侧表面上模制。 结果,不需要用于形成舌状部分的铆接工艺,并且可以降低制造成本。