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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0653456 (1984-09-24) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 4 인용 특허 : 1 |
A traction device for a vehicle which includes in a first embodiment, an endless belt mounted on a pair of rotating drums located beneath the vehicle and fitted with multiple angle plates for engaging the crown of the road when the ruts are of such depth as to cause the vehicle to lose traction. In
An auxiliary traction device for a wheeled vehicle, comprising (a) a pair of parallel, spaced auxiliary axles rotatably connected with the vehicle and arranged between and parallel with the axles of the vehicle; (b) a plurality of spaced sprockets connected for rotation with each of said auxiliary a
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