| 发明名称 |
Spherical wheel for prams, wheelchairs, office chairs, etc. is mounted in curved frame with ball bearings between to reduce friction |
| 摘要 |
<p>The spherical wheel (1) is mounted in a curved frame (2) with ball bearings (3) between to reduce friction.</p> |
| 申请公布号 |
DE202004014306(U1) |
申请公布日期 |
2004.12.23 |
| 申请号 |
DE20042014306U |
申请日期 |
2004.09.15 |
| 申请人 |
RUEMMELEIN, ANDREAS;MAUELSHAGEN, CHRISTIAN |
发明人 |
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| 分类号 |
B60B19/14;B60B33/08;(IPC1-7):B60B19/14 |
主分类号 |
B60B19/14 |
| 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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