| 发明名称 |
Fastener shank crossection utilizing non-circular constant breadth curves |
| 摘要 |
A fastener includes a head and a threaded shank. The shank defines an inner periphery and the thread defines an outer periphery. The shank and the thread each have a generally polygonal crossection with at least five lobes separated by at least five convex surfaces.
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| 申请公布号 |
US6375401(B1) |
申请公布日期 |
2002.04.23 |
| 申请号 |
US20000693793 |
申请日期 |
2000.10.20 |
| 申请人 |
CONTINENTAL/MIDLAND, INC. |
发明人 |
MCNEILL WILLIAM A. |
| 分类号 |
F16B33/02;F16B35/04;F16B39/30;(IPC1-7):F16B35/04 |
主分类号 |
F16B33/02 |
| 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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