发明名称 |
Replaceable lens system |
摘要 |
This invention relates to a replaceable eye-protecting lens system for breathing masks that is easy to handle and ensures a firm and safe, i.e. gas-tight fit of the lenses in the body of the mask. It is the object and problem of this invention to create a replaceable eye-protecting lens system that provides a wide field of vision for the person wearing the mask and ensures a mechanically firm and gas-tight fit of mask body and lens. This problem is solved according to the invention by creating a replaceable lens system for breathing masks wherein a groove-shaped holding fixture 5 is placed on the rim of eye-protecting lens 1 which holds a fastening element 2 of the mask body and a locking ring 4.
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申请公布号 |
US6394600(B1) |
申请公布日期 |
2002.05.28 |
申请号 |
US20000749300 |
申请日期 |
2000.12.27 |
申请人 |
AUERGESELLSCHAFT GMBH;DREAGERWERK AG |
发明人 |
HORN MICHAEL;KINTZEL HARTMUT |
分类号 |
A62B18/08;(IPC1-7):G02C5/00 |
主分类号 |
A62B18/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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