发明名称 |
Steerable, self-powered shopping cart towing apparatus and method for making same |
摘要 |
A steerable, self-powered device for use in towing and guiding a plurality of shopping carts attached together in a line from one location to another is disclosed which has a pair of electrically driven wheels located in the rear thereof, and a single wheel located in the front thereof for use in steering the towing and guiding device. The towing and guiding device is small and low to the ground, and includes a retaining mechanism which may be attached to the line of shopping carts by connection to the bottom front cross-bar of the front-most shopping cart in the line of shopping carts. The towing and guiding device is powered by one or more batteries, and in the preferred embodiment includes a battery charger and a retractable cord to supply power to the battery charger.
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申请公布号 |
US5573078(A) |
申请公布日期 |
1996.11.12 |
申请号 |
US19950494613 |
申请日期 |
1995.06.23 |
申请人 |
STRINGER, CALVIN R.;STRINGER, CALVIN D. |
发明人 |
STRINGER, CALVIN R.;STRINGER, CALVIN D. |
分类号 |
B60K1/00;B60K1/04;B62B3/14;B62D51/04;(IPC1-7):B62D51/04 |
主分类号 |
B60K1/00 |
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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