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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0494613 (1995-06-23) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 34 인용 특허 : 0 |
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 st
A towing and guiding device for pulling a plurality of shopping carts connected in a line or other like load, said towing and guiding service comprising: a chassis member having a front end thereof and a rear end thereof; a pair of drive wheels rotatably mounted on opposite sides of said chassis mem
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