WIDE-COVERAGE AGRICULTURAL OUTFIT Russian patent published in 1995 - IPC

FIELD: agricultural engineering. SUBSTANCE: wide-coverage agricultural output has toolbar 1 with carrier wheels and a fluid- operated drive. Central section 2 is mounted on the toolbar, and lateral gangs 6 with working tools are attached to the toolbar by means of hinges 3. In the front part of the toolbar there is slider 12. Tongue 16 and limiting rests 13 are mounted on the slider. The rests limit travel of the slider. Tie-rods 10 linking gangs 6 to slider 12 are hinged to the gangs. Symmetric triangles are formed by straight hinges 3 that attach lateral gangs 6 to toolbar 1 and hinges 9 and 11 attaching tie-rods 10 gangs 6 and slider 12 for locking the output in its traveling or operating position. The triangles axis of symmetry is on a line passing through centers of hinges 11 and 3. EFFECT: reliable locking in traveling or operation position. 2 cl, 4 dwg