TY JOUR TI TO THE SUBSTANTIATION OF THE CONSTRUCTIVE PARAMETERS OF THE NON-SUPPORTING CUTTING DEVICE FOR COMBINE REAPERS WITH THE FORWARD MOTION OF CUTTING ELEMENTS KW grain crop harvesting KW harvester reaper KW cutting device KW element KW kinematic parameters JO Bulletin of KSAU AU Minin, P.S. AU Lovchikov, A.P. PY 2013 IS PB Krasnoyarsk State Agrarian University