发明名称 |
Teaching apparatus for mechanics principles |
摘要 |
A mechanically propelled apparatus for teaching principles of mechanics. The apparatus includes a drive wheel disposed on a first axis of rotation and a power drum disposed on a second axis of rotation. At least one flexible tensile member transmits energy from a weight to the drive wheel via the power drum to propel the apparatus.
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申请公布号 |
US6773264(B2) |
申请公布日期 |
2004.08.10 |
申请号 |
US20030688555 |
申请日期 |
2003.10.17 |
申请人 |
SCHOENDORFF ARTHUR JOSEPH;FINCH ALAN |
发明人 |
SCHOENDORFF ARTHUR JOSEPH;FINCH ALAN |
分类号 |
G09B23/10;(IPC1-7):G09B23/06 |
主分类号 |
G09B23/10 |
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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