发明名称 |
Combination sidewalk bolt |
摘要 |
A combination sidewalk bolt is provided. The bolt includes a head portion, a threaded shaft portion extending perpendicularly outward from a first side of the head portion, a Phillips head recess well formed within a second side of the head portion for use in driving the bolt, and a slotted screwdriver slot provided in the second side of the head portion. A depth of the recess well is greater than the width of the head portion between the first side and the second side.
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申请公布号 |
US6328517(B1) |
申请公布日期 |
2001.12.11 |
申请号 |
US20000532885 |
申请日期 |
2000.03.22 |
申请人 |
MANN GREGORY STEVEN;MANN GABRIELLE MARDER |
发明人 |
MANN GREGORY STEVEN;MANN GABRIELLE MARDER |
分类号 |
F16B23/00;F16B33/02;(IPC1-7):F16B23/00;F16B35/06 |
主分类号 |
F16B23/00 |
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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