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    • 141. 发明授权
    • Adjustable support system
    • 可调支撑系统
    • US4722502A
    • 1988-02-02
    • US783304
    • 1985-10-02
    • Wolfgang MuellerArthur T. Nagare
    • Wolfgang MuellerArthur T. Nagare
    • F16M11/10F21V21/30F16C11/00
    • F16M11/10F16M11/2021F21V21/30F16M2200/041F21W2131/205Y10T403/32319Y10T403/32688Y10T403/32827
    • Apparatus is provided for adjustably supporting an object, such as a surgical light, between two points on a yoke-type frame. A housing having a cylindrical cavity and a threaded axial bore therethrough is secured to one of two hubs provided on the legs of the yoke. An adjustment screw having a face plate passes through the aperture. Wave washers and a spherical washer having a spherically concave friction surface are provided within the housing's cavity. A shaft is supported within the housing by a spherical bearing and terminates in a nut having a spherically convex friction surface. A keyway and recessed area on the shaft serve to secure the light to the shaft. The hub on the other leg is provided with a spherical bearing which supports a second shaft. The second shaft has a keyway and a recessed area which are engaged by a key and adjusting screw on a second mounting bracket in the opposite side of the light. As such, the axial force generated by the adjusting screw creates a force on, respectively, the face plate, wave springs and the spherical washer. Such axial force creates a frictional force between the mating surfaces of the spherical washer and nut thereby adjustably retaining the light.
    • 提供了用于可调节地支撑在轭型框架上的两个点之间的物体(例如外科手术灯)的装置。 具有圆柱形空腔和穿过其中的螺纹轴向孔的壳体固定到设置在轭的腿上的两个轮毂之一。 具有面板的调节螺钉穿过孔。 波形垫圈和具有球形凹形摩擦表面的球形垫圈设置在壳体的腔内。 轴通过球面轴承支撑在壳体内,并且终止于具有球形凸起的摩擦表面的螺母中。 轴上的键槽和凹槽区域用于将光固定到轴上。 另一条腿上的轮毂设有支撑第二轴的球面轴承。 第二轴具有键槽和凹槽区域,其通过键和调节螺钉与光的相对侧上的第二安装支架接合。 因此,由调节螺钉产生的轴向力分别产生面板,波形弹簧和球形垫圈的力。 这种轴向力在球形垫圈和螺母的配合表面之间产生摩擦力,从而可调整地保持光。