최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0460246 (1983-01-07) |
국제출원번호 | PCT/JP82/00347 (1982-08-30) |
§371/§102 date | 19830107 (19830107) |
국제공개번호 | WO-8400932 (1984-03-15) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 6 인용 특허 : 6 |
One of several inventions claimed is a method of providing increased traction to the driving wheels of a high speed transportation vehicle. The vehicle is placed within a tubular passageway, equipped with wheels arranged to contact the tube at three or more equidistant contact points, and these whee
In an underground high speed transportation system of the type comprising an underground tube, at least one car running in said underground tube, at least two sets of legs of said car, each set having three legs positioned symmetrically around and radiating from an axis coaxial with the axis of the
※ AI-Helper는 부적절한 답변을 할 수 있습니다.