| 发明名称 |
Self counter-sinking fastener |
| 摘要 |
A self-countersinking fastener for engagement with wood or similar composite material, said fastener including a penetrating shaft, and a tool engaging head; wherein said tool engaging head is substantially frusto-conical in overall shape and provided with one or more indent regions into which said material may be pushed as the head is turned; wherein each of said indent regions include: a trench extending substantially vertically through the entirety of said head; and a tailing section extending through the entire height of the head and extending forward in the direction of turning from said trench such that the radius of the head in the corresponding section increases throughout said section. |
| 申请公布号 |
US8757949(B2) |
申请公布日期 |
2014.06.24 |
| 申请号 |
US201013498823 |
申请日期 |
2010.09.29 |
| 申请人 |
|
发明人 |
Harvey Craig Stanley |
| 分类号 |
F16B35/06 |
主分类号 |
F16B35/06 |
| 代理机构 |
Novak Druce Connolly Bove + Quigg LLP |
代理人 |
Novak Druce Connolly Bove + Quigg LLP |
| 主权项 |
1. A self-countersinking fastener for engagement with wood or similar composite material, said fastener including a penetrating shaft and a tool engaging head; wherein said tool engaging head is substantially frusto-conical in overall shape and provided with one or more indent regions into which said material may be pushed as the head is turned; wherein each of said indent regions include:
a trench extending substantially vertically through the entirety of said head; and a tailing section extending through the entire height of the head and extending forward in the direction of turning from said trench to the next said trench, or through at least 90°, such that the radius of the head in the corresponding section increases throughout said section.
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| 地址 |
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