AGRICULTURAL BRIDGE SET Russian patent published in 1996 - IPC

FIELD: agricultural engineering. SUBSTANCE: set provides for mounting of signal transmitters to stop wheels of truck after passing a preset length of path from place of previous stop. Transmitters are secured on wheel of one or greater number of support self-propelled trucks of set. Transmitter has magnet secured on end of plate furnished with gravity weight. Plate is fixed with use of electromagnetic coupling arranged on truck wheel. Magnet engages with hermetically sealed reed relay secured on end of pointer. Axle of rotation of pointer is coaxial with axle of truck wheel. Axle can be fixed in preset position. EFFECT: set relieves operator from necessity of counting number of plant rows and ensures against errors when changing operating place of bridge set. 2 cl, 5 dwg