LICORICE ROOT EXTRACTION APPARATUS Russian patent published in 2000 - IPC

FIELD: agriculture. SUBSTANCE: apparatus has tractor 1, machine with frame 7 on carrier wheels 8,9, digging share 10, and drive rotor 11 kinematically connected to power takeoff shaft of tractor 1. Machine is hitched to tractor by means of brackets 3, 4 and fingers 5, 6. Each bracket of frame 7 is made W-shaped and provided with axially aligned openings of unequal size made in parallel cheeks of each bracket. Brackets are adapted for receiving detachable fingers for providing pivotal coupling with tie-rods 13 of tractor hitch system. Finger of larger size is made hollow and is connected to end of finger of smaller diameter. Threaded opening is made in end of finger having smaller diameter for receiving pin which is joined with its second threaded end to shaped nut mounted on outer end of hollow finger. EFFECT: increased efficiency, simplified construction and reliable unitizing of machine. 2 cl, 3 dwg