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    • 3. 发明公开
    • Apparatus for supporting a protective mask optical insert.
    • Gerätzur Halterung eines optischen Einsatzes bei einer Schutzmaske。
    • EP0206109A2
    • 1986-12-30
    • EP86107931
    • 1986-06-10
    • AMERICAN OPTICAL CORP
    • KRUSAS JAMES JPIENTA JOSEPH JGRENDOL CLARK
    • A62B18/08G02C9/02
    • G02C9/02A62B18/082
    • An optical lens carrying support structure for use with a protective face mask, comprising a pair of lens frames (1), each frame comprising an eyewire (2) and a hinge portion (4), the lens frames being connected by a hinged nosepiece (3, 5). The support structure attaches to the face mask by a slideably releasable dove-tail connection (27, 29) to a trapezoidal backblock (25), which back-block rigidly attaches to the face mask, with two opposite faces of the trapezoidal back-block inclined with respect to each other so as to establish the proper pantoscopic angle. The face-form angle is accomplished by virtue of an angled relation of the eyewire (2) to the hinge portion (4) of the lens frame (1). The lens frames (1) fold back toward each other, facilitating removal of the lenses and folding the face mask assembly flat making it easy to remove the lens (107) by snapping it out of the eyewire (2).
    • 一种携带用于保护面罩的支撑结构的光学透镜,包括一对透镜框架(1),每个框架包括一个目镜(2)和一个铰链部分(4),透镜框架通过铰接的喷嘴( 3,5)。 支撑结构通过可滑动地释放的鸽尾连接(27,29)附接到面罩,梯形后挡块(25),后挡块刚性地附接到面罩,梯形后块的两个相对面 相对于彼此倾斜,以便建立适当的佩戴时间角度。 通过眼镜(2)与透镜框架(1)的铰链部分(4)的成角度的关系来实现面部形状的角度。 透镜框架(1)朝向彼此折回,便于去除透镜并将面罩组件折叠平坦,使得容易通过将其从眼镜架(2)中取出而移除透镜(107)。