VISUAL AID FOR SHOWING METHOD AND RULES OF COUPLING PLOW AND TRACTOR IN HORIZONTAL PLANE Russian patent published in 2003 - IPC

FIELD: agricultural engineering. SUBSTANCE: invention can be used as visual aid for showing rules of plow and traitor coupling. In proposed visual aid, plow model is made in form of flat flexible sheet arranged on uniform horizontal surface. Horizontal projection of plow is made on flexible sheet. Sheet is furnished with set of weights in number corresponding to number of plow bodies. Traction device is made in form of flexible coupler with rod-type indicator. Rod is connected with flexible coupler in two points. Plow model and traction device are mated in point which can occupy fixed position on cross straight line. EFFECT: improved quality of teaching and training. 3 dwg