发明名称 |
Toy vehicle, and wheel device and carriage frame for the toy vehicle |
摘要 |
A wheel device for a toy vehicle, in which one of a pair of wheels rolling on a pair of metal rails attracts with a magnet to reduce resistance caused by magnetic force and suppress load on a motor. The wheel device 1 includes a first axle 2, and a first wheel 10 and a second wheel 20 provided on opposite sides of the first axle 2. The first wheel 10 includes a first wheel main body 11 rolling on one of the rails 261 and a first flange 12 guided by the one rail. The second wheel 20 includes a second wheel main body 21 rolling on the other of the rails 261 and a second flange 22 guided by the other rail. The second wheel main body 21 is formed of a magnet. |
申请公布号 |
US8109805(B2) |
申请公布日期 |
2012.02.07 |
申请号 |
US20070439557 |
申请日期 |
2007.09.04 |
申请人 |
HIRAI HIROTSUGU;EISHINDO CO., LTD. |
发明人 |
HIRAI HIROTSUGU |
分类号 |
A63H18/12 |
主分类号 |
A63H18/12 |
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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