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    • 8. 发明授权
    • Quarter turn fastener
    • 四分之一紧固件
    • US5123795A
    • 1992-06-23
    • US575558
    • 1990-08-29
    • Donald F. EngelSteven S. Gieseke
    • Donald F. EngelSteven S. Gieseke
    • F16B21/04F16B5/10F16B21/02
    • F16B5/10F16B21/02
    • A quarter turn fastener (10) fastens a first component (12) to a second component (14). The fastener (10) has a cap (20) covering and rotating about a cylindrical mounting member (24) with a spring (34) therebetween. The mounting member (24) attaches to the first component (12) by barbs (28). Rotation is limited by a slot and tab arrangement having a tab (42) extending inward from the cap (20) into a slot (44) in the mounting member (24). The slot (44) extends one fourth of the way around the circumference of the mounting member (24) for limiting rotation and includes ridges (46, 48) preventing free rotation of the tab (42) at the ends of the slot (44). A shaft (36) attached to the cap (20) and extends through the mounting member (24), first component (12) and second component (14). A curved retainer member (38) engages slot (18) and has sloping engaging surfaces (52, 54, 56) for guiding the retainer member (38) into and out of the slot (18) when the fastener (10) is twisted.
    • 四分之一转弯紧固件(10)将第一部件(12)紧固到第二部件(14)。 紧固件(10)具有覆盖并围绕其间具有弹簧(34)的圆柱形安装构件(24)旋转的盖(20)。 安装构件(24)通过倒钩(28)附接到第一部件(12)。 旋转受到具有从盖(20)向内延伸到安装构件(24)中的狭槽(44)中的突出部(42)的狭槽和突片结构的限制。 狭槽(44)围绕安装构件(24)的圆周延伸四分之一,以限制旋转,并且包括防止突片(42)在槽(44)的端部自由旋转的脊(46,48) 。 连接到盖(20)并延伸穿过安装构件(24),第一部件(12)和第二部件(14)的轴(36)。 弯曲的保持器构件(38)接合槽(18)并且具有倾斜的接合表面(52,54,56),用于当紧固件(10)被扭转时将保持器构件(38)引导进出槽(18)。