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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0667572 (1984-11-02) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 7 인용 특허 : 1 |
A lightweight retractable track-wheel for obtaining less soil compaction and improved traction efficiency of rubber tired vehicles. The track-wheel provides high-strength, thin-gauged spade-lugs, rotatably secured to a main frame for providing higher drawbar pull at higher rate of travel speed by ut
A retractable drive system for a rubber tired vehicle having a power driven tire and a driving member for the power driven tire, said retractable drive system comprising a frame having a first disc member, a second plate member and a hub operatively connected to said first and second members to form
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