| 摘要 |
FIELD: transport.SUBSTANCE: small tractor comprises frame composed by horizontal tubular element. Bearing assy for pitman arm is arranged at one its end while vertical strut is fitted at its opposite end. One end of said strut is secured to rear axle housing with its lengthwise axis located perpendicular to tubular element lengthwise axis. Seat is arranged at opposite end of vertical strut. Rear wheels are fitted in bearing assemblies of rear axle housing, one wheel being equipped with brake. Pitman arm composed of vertical post is fitted in tubular element bearing assy to spin through 360 degrees. Steering wheel with engine controls is mounted at top part of the strut. Strut lower part is composed of bracket rigidly coupled with crossbar. Said crossbar has seat for bearing of said tubular element. Said crossbar has lateral supports to locate front wheels. The latter has lateral supports to accommodate front wheels arranged to allow control over centre-to-centre distance of said wheels. One of the wheels is articulated with engine output shaft secured at pitman arm horizontal tubular element. Bearings for every rear and front wheels are, preferably, two-rod bearings. One footstep and frame attached from below to tubular element are composed by tubes.EFFECT: higher manoeuvrability.4 cl, 4 dwg |
