发明名称 |
Push-pull cart collection device and conversion assembly |
摘要 |
The present invention is a shopping cart collection device adapted to engage to first and second shopping carts and capable of pulling a first train of shopping carts extending from the first shopping cart and pushing a second train of shopping carts extending from the second shopping cart. The device comprises a motorized unit comprising a drive wheel, a first hitch and a second hitch. The first hitch is proximate a first side of the motorized unit and is adapted to engage the first shopping cart. The second hitch is proximate a second side of the motorized unit opposite the first side and is adapted to engage the second shopping cart.
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申请公布号 |
US7571914(B2) |
申请公布日期 |
2009.08.11 |
申请号 |
US20060356923 |
申请日期 |
2006.02.17 |
申请人 |
DANE INDUSTRIES, INC. |
发明人 |
HOLTAN PAUL D.;JOHNSON DANIEL T.;WIFF JAMES W. |
分类号 |
B62D39/00;B62D49/06;B62D51/04 |
主分类号 |
B62D39/00 |
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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