- 专利标题： Earmuff accommodating welding shield
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申请号： US14291506申请日： 2014-05-30
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公开(公告)号： US09596902B2公开(公告)日： 2017-03-21
- 发明人: Bjorn Daniels , Mats U. Sernfalt , Oskar E. Juhlin
- 申请人： 3M INNOVATIVE PROPERTIES COMPANY
- 申请人地址： US MN St. Paul
- 专利权人： 3M Innovative Properties Company
- 当前专利权人： 3M Innovative Properties Company
- 当前专利权人地址： US MN St. Paul
- 主分类号： A42B3/16
- IPC分类号： A42B3/16 ; A61F11/14 ; A42B3/14 ; A61F9/06 ; A42B3/22
摘要：
A welding helmet 10 that has a face shield 12 that has a native width NW and that has a lens 14 disposed in the face shield 12. A spreader bar 30 can expand the face shield 12 from its native width NW to an increased width IW to allow the welding shield 10 to easily accommodate earmuffs 16 worn by the welder.
公开/授权文献
- US20150342282A1 EARMUFF ACCOMMODATING WELDING SHIELD 公开/授权日：2015-12-03
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