|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||180/921 ; 180/91 ; 180/926 ; 305/35EB|
|발명자 / 주소|
|인용정보||피인용 횟수 : 23 인용 특허 : 0|
A converter assembly for converting a drive-wheel-driven tractor into a track-driven tractor, the assembly having its frame separate and unattached relative to the frame of the tractor and constructed and arranged, together with a continuous track, to be positioned beneath the drive-wheel of the tractor, and within the track, in cooperating position with the drive-wheel and track, to effectively extend the ground-engaging area of the tractor. A pair of transversely spaced, relatively light, plate members rotatably mount a pair of idler wheels, one ahead ...
A track-driven vehicle comprising: (a) a tractor having at least one pair of drive-wheels on a common axis; (b) a pair of auxiliary-drive-assemblies separate from said tractor and each of which is associated with and disposed below the axis of one of said drive-wheels in driven relation thereto, and includes at least a pair of rotatable members each of which is rotatably mounted outside the circumferential periphery of said drive-wheel for rotation about an axis substantially parallel to and at opposite sides of the axis of said drive-wheel with the lowe...