INTER-ROW CULTIVATOR Russian patent published in 2009 - IPC A01B59/04 

FIELD: agriculture.

SUBSTANCE: frame consists of beam-frame and of lock of automatic hitch rigidly secured to frame along axis of symmetry. The lock of the automatic hitch is fastened to the beam so as to travel vertically and lengthwise; for this purpose removable L-shape in horizontal section brackets are rigidly attached to the side outer surface of lock braces. Two apertures are symmetrically cut on the outer side surface of the brackets; flushed bushings are rigidly fastened to the apertures from above. Round clippings are put on the top of the bushings. A back part of the bracket is inclined to horizon at the same angle that of the lock braces; this part is made hollow and closed with an interior contour equal to the exterior contour of the beam-frame; the latter is composed of several butted and flushed to each other parts.

EFFECT: design of universal frame, length of which can be symmetrically increased.

4 dwg