发明名称 |
Pivot joint for faceshield assembly |
摘要 |
A faceshield that is securable to a protective helmet or headband having an indexable pivot joint which utilizes an interference fit between an O-ring and radially spaced lug sets. The O-ring is compressed when the crests of the two sets of lugs are radially aligned. This interference holds the faceshield in a desired indexed position.
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申请公布号 |
US6264392(B1) |
申请公布日期 |
2001.07.24 |
申请号 |
US19990382513 |
申请日期 |
1999.08.25 |
申请人 |
MINE SAFETY APPLIANCES COMPANY |
发明人 |
WISE LAYTON A.;TOMLINSON JAMES R. |
分类号 |
A42B3/22;A61F9/04;A61F9/06;(IPC1-7):A42B3/22 |
主分类号 |
A42B3/22 |
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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