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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0212771 (1980-12-04) |
우선권정보 | JP-0177918 (1979-12-21) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 9 인용 특허 : 1 |
Straight sections of track each having a drive tube are coupled together by a curved track section. Between the tracks at the curved section, there is provided a series of drive shafts whose ends are not aligned with the ends of the drive shafts in the straight track sections. Driverless trucks are
A transfer truck system of the type in which a driverless wheeled frame rides on rails and has drive wheels pressed against rotating drive shafts disposed in parallel with said rails so that the force for propelling the truck is produced by the frictional engagement between said drive wheels and sai
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