发明名称 |
Walking truck |
摘要 |
A walking truck including a platform pivotably supported above a base frame, inner racks and outer racks bilaterally disposed below the base frame and coupled by transmission shafts and cranks, a first motor drive controlled to move the inner racks and the outer racks alternatively for going upstairs or downstairs, a second motor drive controlled by a pendulum and two micro switches to move a balance linkage in either direction for keeping the platform in balance as the walking truck goes upstairs or downstairs.
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申请公布号 |
US5346027(A) |
申请公布日期 |
1994.09.13 |
申请号 |
US19930095173 |
申请日期 |
1993.07.21 |
申请人 |
DA, HUANG Y.;FONG, HUANG Y. |
发明人 |
DA, HUANG Y.;FONG, HUANG Y. |
分类号 |
B62D57/00;(IPC1-7):B62B5/02 |
主分类号 |
B62D57/00 |
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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