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1. 发明授权

US4099306A Safety buckle 失效
标题翻译：安全带扣
公开(公告)号：US4099306A
公开(公告)日：1978-07-11
申请号：US633970
申请日：1975-11-21
申请人： Frank M. Matthews , Terry O. McClain
发明人： Frank M. Matthews , Terry O. McClain
IPC分类号： A44B11/25 , A44B21/00
CPC分类号： A44B11/2526 , Y10T24/2136
摘要： A separable buckle (such as a seat belt buckle for occupants of vehicles) adapted to connect two separable belts. A first structural member in the form of a floating link is typically secured permanently to one end of a first belt. A second structural member is adapted to be permanently secured to the end of the other belt. Permanently attached to the second structural member is a lever which is pivotable about a control axis near the distal end of said second structural member. The control axis is preferably elevated above the plane defined by the remote ends of the two structural members. At an intermediate position along the lever is provided an open-face cusp, which is adapted to receive the distal end of the floating link. In latching the buckle, the lever is rotated to an extended position, and the distal end of the floating link is rested against the cusp. By rotating the lever through about 180.degree. to a folded condition alongside the second structural member, the floating link is drawn toward the second structural member. By causing the lever to rotate "over-center", the buckle becomes essentially self-latching. Means are also provided for securing auxilliary straps, such as shoulder straps or leg straps, to the buckle when it is latched.
摘要翻译：适用于连接两个可分离带的可分离的扣环（如用于车辆乘员的安全带扣）。浮动连接件形式的第一结构件通常固定地固定在第一带的一端。第二结构构件适于永久地固定到另一个带的端部。永久地附接到第二结构构件是杠杆，其可围绕靠近所述第二结构构件的远端的控制轴线枢转。控制轴优选地升高到由两个结构构件的远端限定的平面之上。在沿着杠杆的中间位置处设置有开放式尖端，其适于接收浮动连杆的远端。在锁定扣环时，杠杆被旋转到延伸位置，并且浮动连杆的远端靠在尖端上。通过将杠杆转动约180度到与第二结构构件一起的折叠状态，浮动连杆被拉向第二结构构件。通过使杠杆旋转“过中”，带扣基本上自锁。还提供了用于在扣锁时将扣带（例如肩带或腿带）的辅助带固定到扣环的装置。

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