THREE-WHEELED VEHICLE Russian patent published in 1994 - IPC

FIELD: agricultural engineering. SUBSTANCE: three-wheeled vehicle, preferably small-sized tractor, has frame 1 with operator foot rests 2, mounted with its rear part on drive axle 3 with two wheels 4,5 arranged symmetrically with regard to tractor longitudinal axis, one steerable wheel 6, mounted in front part of frame 1 on steering unit 24, engine 7 and operator seat 8. Steerable wheel 6 and operator seat 8 are displaced to one side from tractor longitudinal axis. Rear part of frame 1 is made U-shaped, cross section 9 of which is connected with drive axle 3 by means of detachable joint, made in the form of uprights 14 with support brackets 15 and clamps 16 with thread for attachment nuts. Longitudinal sections 10,11 of frame 1 are arranged in longitudinal vertical planes of drive wheels 4,5, and longitudinal section 10 of frame 1 is additionally provided with split joint for attachment of engine with help of spherical pin fitted in hollows of plate 20 and fixed by bolt. Steering unit 24 has handles adjustable for tilting by toothed couplings 30 and provided with control levers of clutch, brake and fuel feed. Arranged to right of operator seat 8 in unoccupied zone are control handles 35-40 of engine-driven unit and tractor linkage system 17. EFFECT: enhanced versatility of single-axle engine-driven unit as base power module. 7 dwg