| 发明名称 |
Magnetic key |
| 摘要 |
A key blank is provided with an enlarged head end encased in plastics material and enclosing a permanent magnet received in an opening through the key head and retained in an intermediate grommet holder, the magnet having a sufficient strength to attach the key removably to ferrous surface.
|
| 申请公布号 |
US2004079125(A1) |
申请公布日期 |
2004.04.29 |
| 申请号 |
US20020282416 |
申请日期 |
2002.10.29 |
| 申请人 |
MOREHART GARY E.;ADAMS SAMUEL TODD |
发明人 |
MOREHART GARY E.;ADAMS SAMUEL TODD |
| 分类号 |
E05B19/04;E05B19/26;(IPC1-7):E05B19/04;E05B47/00 |
主分类号 |
E05B19/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
