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    Molded head harness
    5.
    发明授权
    Molded head harness 失效

    公开(公告)号：US5481763A

    公开(公告)日：1996-01-09

    申请号：US350793

    申请日：1994-12-07

    申请人： Gerald M. Brostrom ,  David C. Byram

    发明人： Gerald M. Brostrom ,  David C. Byram

    IPC分类号： A62B18/08 ,  B29D5/00

    CPC分类号： A62B18/084

    摘要： An insert-molded head harness for use in securing a respirator mask to the face of a wearer, wherein the head harness comprises a web having a central portion and a peripheral portion extending at least partially around the central portion, and a plurality of elastomeric fastening straps having first and second ends, the first ends being integrally bonded to the peripheral portion of the web and the second ends being adapted to be used in securing a respirator mask to the face of a wearer. The head harness can include an elastomeric flange which comprises an elastomeric resin and embeds the peripheral portion of the web. The web preferably comprises a material selected from the group consisting of woven, knitted, and non-woven materials.

    "> Convenient
    6.
    发明授权
    Convenient "drop-down" respirator harness structure and method of use 失效
    方便的“下拉”呼吸器线束结构和使用方法

    公开(公告)号：US5464010A

    公开(公告)日：1995-11-07

    申请号：US121697

    申请日：1993-09-15

    申请人： David C. Byram

    发明人： David C. Byram

    IPC分类号： A62B18/08 ,  A42B3/00 ,  A44B1/04 ,  A62B19/00

    CPC分类号： A62B18/084 ,  Y10T24/4088

    摘要： A respirator 15 has a harness 10 that allows the respirator body 20 to be conveniently disposed beneath a wearer's chin when not in use. The harness 10 includes a substantially flat, flexible strap 14 and an element 12 that contains a curved elongated slot 16. The substantially flat, flexible strap 14 is threaded through the curved elongated slot 16. The curved configuration of the slot 16 causes the flat flexible strap 14 to be deformed to assume the curved configuration of the slot. This deformation of the strap 14 allows the strap 14 to frictionally engage element 12, and the frictional engagement allows the respirator body 20 to be incrementally withdrawn from the wearer's face so that it can be temporarily stored beneath the wearer's chin, and allows the respirator body 20 to be conveniently repositioned over the nose and mouth of the wearer by simply pulling on free ends 34 of each strap 14 and joining a buckle 32 behind the wearer's neck.

    摘要翻译： 呼吸器15具有线束10，其允许呼吸器体20在不使用时方便地设置在佩戴者的下巴之下。 线束10包括基本平坦的柔性带14和包含弯曲的细长槽16的元件12.基本上平坦的柔性带14穿过弯曲的细长槽16.槽16的弯曲构型使平坦的柔性 带14变形以呈现槽的弯曲构造。 带14的这种变形允许带14摩擦地接合元件12，并且摩擦接合允许呼吸机体20从佩戴者的脸部递增地退出，使得其可以暂时存储在佩戴者的下巴之下，并且允许呼吸器体 20通过简单地拉动每个带14的自由端34并且将扣环32连接在穿戴者的脖子后面，以方便地重新定位在穿戴者的鼻子和嘴部之上。