| 发明名称 |
Adjustable positioner for vehicle seat back headrest |
| 摘要 |
A vehicle seat headrest (14) is mounted on a vehicle seat back (12) for infinite position vertical adjustment by helical spring clamping and unclamping of a support shaft of the headrest.
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| 申请公布号 |
US8038220(B2) |
申请公布日期 |
2011.10.18 |
| 申请号 |
US20090356565 |
申请日期 |
2009.01.21 |
| 申请人 |
PORTER GROUP, LLC |
发明人 |
LIU HSING LUNG LEWIS;MURPHY KARL A.;MITTAPALLI VENUGOPALA C. |
| 分类号 |
A47C1/10 |
主分类号 |
A47C1/10 |
| 代理机构 |
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代理人 |
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