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    • 95. 发明公开
    • Removable brush coupling
    • Abnehmbare Besenkupplung。
    • EP0679766A2
    • 1995-11-02
    • EP95302314.0
    • 1995-04-06
    • AAR CORPORATION
    • Chodak, Keith William
    • E01H1/05A46B13/00F16D1/108
    • A47L11/4036A47L11/164A47L11/4038A47L11/4069E01H1/053Y10T403/602
    • A coupling for removably affixing a brush (26) to a rotatable drive shaft includes a drive hub (38) affixed to the drive shaft (30), in which an axial projection having a cam surface (60) is disposed on either the drive hub (38) or the brush (30). The other of the hub and the brush defines a recess (40) for accepting the projection and has a spring retainer (42) affixed thereto. The projection and recess (40) have an interfitting spline connection (54) for preventing relative rotation between the drive hub (38) and the brush (30). The cam surface (60) is adapted to elastically spread the retainer (42) to allow the projection to be inserted within the recess (40). The retainer (42) thereafter engages the shelf surface (62) to prevent removal of the projection from the recess (40). The spring retainer (42) is provided with tabs (78,80) for elastically spreading the retainer (42) the shelf surface (62) and allow the brush (30) to be easily removed from the drive hub (38).
    • 联接器包括固定到驱动轴的驱动轮毂和设置在驱动轮毂和刷子之一上的轴向延伸的突起,其具有自表面和倾斜的凸轮表面。 存在由驱动轮毂中的另一个限定的凹部,并且适于接收投影的刷子。 突起和凹槽具有多个相互作用的花键和拼接,用于防止刷子和轮毂之间的相对旋转。 固定在轮毂和笔刷中的另一个上的弹簧保持器,其具有第一和第二腿部和突出部分,该腿部覆盖直径相对的一对夹板,腿部处于初始位置。 凸轮表面适于将腿从初始位置弹性地展开,以允许突出部插入凹部内,腿后接合搁板表面,以防止突出部从凹部移除。
    • 97. 发明公开
    • Holder for rotary pad
    • Vorrichtung zum Befestigen eines rotierenden Bodenwerkzeuges。
    • EP0366401A1
    • 1990-05-02
    • EP89310929.8
    • 1989-10-24
    • HAKO MINUTEMAN, INC.
    • Smith, Ronald JamesMcLeod, RickLabrador, Grace DalumpinesPalmer, Gary Edward
    • A47L11/164
    • A47L11/4038A47L11/164A47L11/4058A47L11/4069A47L11/4072Y10S411/913Y10T403/7039
    • Apparatus (33) for mounting a pad (30) to a rotary floor machine (10) includes an internally threaded drive collar (35) mounted in coaxial relation with a drive shaft, the teeth of the thread (40) on the collar having a sawtooth profile with an inclined lead-in surface (44) and a holding surface (45). A retainer member (35) in the form of a flanged collar has a cylindrical insert (49) with a plural­ity of tabs (52) capable of flexing inwardly, the flex tabs being spaced about the insert and having external thread segments (56), the teeth of which also have a sawtooth profile, for matching engagement with the internal threads of the drive collar. The retainer insert is assembled by pushing it into the drive collar. The lead-in surfaces (44,57) of the matching threads (40,56) cam the flex tabs (52) inwardly during assembly so that the sawtooth threads ride over one another. The radial holding surfaces engage to provide substantial holding force for the center (31) of the pad (30) which is clamped between the flanges of the drive collar and the retainer member.
    • 用于将垫(30)安装到旋转地板机(10)的装置(33)包括与驱动轴同轴地安装的内螺纹驱动套环(35),所述套环上的线(40)的齿具有 具有倾斜导入表面(44)和保持表面(45)的锯齿形轮廓。 具有法兰轴环形式的保持构件(35)具有圆柱形插入件(49),其具有能够向内弯曲的多个凸片(52),所述挠性凸片相对于所述插入件间隔开并具有外螺纹段(56), 其齿还具有锯齿形轮廓,用于与驱动套环的内螺纹配合。 保持器插入件通过将其推入驱动套环来组装。 匹配螺纹(40,56)的导入表面(44,57)在组装过程中向内凸起柔性突出部(52),使得锯齿线相互越过。 径向保持表面接合以提供用于夹持在驱动套环和保持器构件的凸缘之间的衬垫(30)的中心(31)的实质的保持力。