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    • 9. 发明授权
    • Protective cover for a hinged connection
    • 铰链连接的保护盖
    • US5176578A
    • 1993-01-05
    • US831409
    • 1992-02-05
    • Samuel G. Smith
    • Samuel G. Smith
    • A63G9/12
    • A63G9/12Y10T16/533
    • A protective cover assembly is particularly adapted for a play gym having a horizontal beam member (12), a hanger bracket (15) supported from the beam member (12) and a pair of hanger bars (13 and 14) pivotally depending from the hanger bracket (15) for swinging motion through an angular extent. The protective cover assembly (10) itself utilizes a pair of mirror-image cover caps (55), each of which include a concavo-convex wall (60) that has an outer circumference and a central portion. A collar (63) extends through the central portion of the concavo-convex wall (60), and a peripheral wall (61) is presented from the outer circumference of the concavo-convex wall (60). The peripheral wall (61) is recessed (at 62) along a predetermined circumferential extent. Fasteners (69 and 71) secure the mirror-image caps (55) together with the peripheral walls (61) being disposed in abutment, the collars (63) being axially aligned and the recesses (62) defining a slot (75) of sufficient axial dimension as well as of sufficient, predetermined, circumferential dimension to receive the hanger bars (13 and 14). Because of the aforesaid structural arrangement, the protective cover assembly (10) will rotate on the horizontal beam member (12) in response to the swinging movement of the hanger bars (13 and 14).
    • 保护罩组件特别适用于具有水平梁构件(12),从梁构件(12)支撑的悬挂支架(15)和从衣架枢转地悬挂的一对衣架杆(13和14)的游乐场所 支架(15)用于摆动运动通过角度范围。 保护盖组件本身利用一对镜像盖帽(55),每个镜像盖帽(55)包括具有外圆周和中心部分的凹凸壁(60)。 凸环63延伸穿过凹凸壁60的中心部分,并且从凹凸壁60的外周呈现周边壁61。 周壁61沿预定的圆周方向凹进(在62处)。 紧固件(69和71)将镜像盖(55)与邻接设置的周壁(61)一起固定,轴环(63)被轴向对准,并且凹部(62)限定足够的狭槽(75) 轴向尺寸以及足够的,预定的周向尺寸以接收衣架杆(13和14)。 由于上述结构布置,保护盖组件(10)将响应于悬挂杆(13和14)的摆动运动而在水平梁构件(12)上旋转。