UNIVERSAL SEMI-TRAILER Russian patent published in 2020 - IPC A01D25/00 A01C3/06 

FIELD: agriculture.

SUBSTANCE: invention relates to the agriculture. Universal semi-trailer comprises frame, towing device, running gear, side boards, upper steel bar, semitrailer floor, sliding floor with slides for front sliding board movement, rear opening bead, bead retainer, braking and hydraulic systems, wherein in order to reduce the force on the hydraulic cylinder rod on movement of the load material at the initial moment, the front part of the sliding floor and the lower part of the front sliding board and its side edges are installed on the length of the straight section of the floor and the board, which is equal to 0.2–0.7 m, at angle of 15–35° to the direction of movement of cargo material, with further increase of this angle for the front side to 60–90° in the longitudinal vertical plane and to 90° in the horizontal plane along the radius equal to 0.15–0.5 m; segments of side boards are made in form of rectangular trapezium with inclination of one of longitudinal sides of segment at angle of 10–30° and their installation with inclination forward along cargo material unloading direction, wherein bead segments are attached in upper part to steel bar.

EFFECT: invention allows to increase semitrailer reliability and service life.

3 cl, 8 dwg