发明名称 Protective Headgear Assembly
摘要 The present invention generally relates to protective headgear worn by a user to protect his eyes, head, and face. More particularly, the present invention is directed to a protective headgear assembly used by welders and the like wherein a headgear strap can be tightened or loosened upon the ratcheting of a knob connected to the headgear strap. The headgear strap can also be automatically disengaged for removal of the headgear by pulling the knob away from the user's head.
申请公布号 US2008184451(A1) 申请公布日期 2008.08.07
申请号 US20070670024 申请日期 2007.02.01
申请人 LEMKE KENNETH P;PIPER JAMES A;MILLER MARK EDWARD;SOMEN DANIEL RYAN 发明人 LEMKE KENNETH P.;PIPER JAMES A.;MILLER MARK EDWARD;SOMEN DANIEL RYAN
分类号 A61F9/06;A42B1/22;A42B7/00 主分类号 A61F9/06
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