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US08375951B2 Buckle and respirator using such buckle, having a deformable cinch bar, and method 失效
带扣和呼吸器使用这种扣环，具有可变形的束带条和方法

Buckle and respirator using such buckle, having a deformable cinch bar, and method
摘要：
Buckle and respirators having such buckles. The buckle has a movable cinch bar allowing a strap to be inserted into and be secured by the buckle by opening the cinch bar and inserting the strap. The cinch bar then returns to a closed position and supports the strap over the cinch bar. The cinch bar may be deformable through the use of a living hinge connecting the cinch bar to the body of the buckle. The cinch bar may be split into two members, each being deformably coupled to the buckle body, perhaps with living hinges.
摘要（中）：

带扣和呼吸器具有这种扣环。 带扣具有可移动的连接条，允许通过打开带状条并插入带子将条带插入并由扣环固定。 然后，系带酒吧返回到关闭位置，并将带子支撑在系带上。 系带杆可以通过使用将连接杆连接到带扣的主体的活动铰链来变形。 系带可以分成两个构件，每个构件可变形地联接到带扣体，可能具有活动铰链。

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