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    • 8. 发明授权
    • EASY FIT DIAPHRAGM
    • EP1082519B1
    • 2003-10-15
    • EP99922936.2
    • 1999-05-12
    • Indian Head Industries, Inc.
    • PLANTAN, Ronald, S.HOLM, Michael, M.
    • F01B19/00F01B29/00F16J3/00
    • F01B19/02F16J3/02
    • The present invention provides a brake actuator assembly including a housing (30) having a generally radial annular flange portion (41) and a cover (32) having a generally radial annular flange portion generally co-axially aligned with the generally radial annular flange portion of the housing (30). A cup-shaped flexible diaphragm (40) having an outer radial rim portion is disposed between the generally radial annular flange portions of the housing (30) and the cover (32). A retaining element generally surrounds and compresses the generally annular flange portions of the housing (30) and the cover (32) against the rim portion (41) of the flexible diaphragm (40). The rim portion of the diaphragm includes a wedge-shaped edge portion (42) and co-axially aligned flats on opposite sides of the rim portion (41) adjacent to the wedge-shaped edge portion (42) aligning the flange portions of the housing (30) and the cover (32). In another embodiment, a flexible brake diaphragm includes a cup-shaped flexible diaphragm having an outer radial annular rim portion. The rim portion of the diaphragm includes a wedge-shaped edge portion and co-axially aligned flats (43) on opposite sides of the rim portion adjacent to the wedge-shaped edge portion (42).
    • 本发明提供了一种制动器致动器组件,该组件包括具有大致径向环形凸缘部分(41)的壳体(30)和具有大致径向环形凸缘部分的盖(32),该凸缘部分大体上与大致径向环形凸缘部分同轴对齐 外壳(30)。 具有外部径向边缘部分的杯形柔性隔膜(40)设置在壳体(30)的大致径向环形凸缘部分和盖(32)之间。 保持元件通常围绕并压缩壳体(30)和盖(32)的大致环形凸缘部分抵靠柔性隔膜(40)的边沿部分(41)。 隔膜的边缘部分包括楔形边缘部分(42)和邻近楔形边缘部分(42)的边缘部分(41)的相对侧上的同轴对齐的平面,所述楔形边缘部分对准壳体的凸缘部分 (30)和盖(32)。 在另一个实施例中,柔性制动隔膜包括具有外部径向环形边缘部分的杯形柔性隔膜。 隔膜的边缘部分包括楔形边缘部分和在边缘部分的与楔形边缘部分(42)相邻的相对侧上的同轴对齐的平面(43)。