|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||180/921 ; 180/926|
|발명자 / 주소|
|인용정보||피인용 횟수 : 22 인용 특허 : 0|
A traction unit for the road wheel of a farm tractor, or an analogous vehicle, that includes two idler wheels, located near the front and rear surfaces of the road wheel tire, and an endless flexible belt, trained around the three wheels. Each idler wheel has a pneumatic tire, located in the same plane as the vehicle tire, so that the three tires track along the midplane of the belt. The idler wheels are mounted on a tubular beam, that is rockably suspended from an axle member aligned with the road wheel axle, such that the belt lies essentially flat on ...
A traction unit for attachment to a pre-existing road wheel of a vehicle, wherein said road wheel comprises an axle and a pneumatic tire having a tread surface rotatable around an axle defined by said axis; said traction unit comprising an axle means connected to said vehicle road wheel so that said axle means is aligned with said road wheel axis; a normally horizontal rigid beam assembly having first and second ends, said rigid beam assembly being located below said axle means so that said beam assembly extends in opposite directions from a vertical pla...