SELF-PROPELLED TRUCK Russian patent published in 1994 - IPC

FIELD: irrigation machinery. SUBSTANCE: gear train of drive of each post of self-propelled truck has link and guide. Drive gear pairs of diametrically arranged posts are installed with displacement through angle corresponding to travel pitch. At initial moment one oair of diagonally arranged bearing shoes is raised and the other pair is lowered to ground. With engine-reduction gear switched on, rotar motion is transmitted through propeller shaft drive and final drives to gear train with link and guide. One pair of bearing shoes resting on ground is moved by link along trajectory close to rectilinear, while other pair of bearing shoes moves over ground along curvilinear trajectory. EFFECT: reduced power of self-propelled sprinkling machine. 2 dwg