PLOWING DEPTH CONTROL UNIT IN FARM WORKING MACHINE

摘要

PURPOSE: To provide a plowing depth control unit in a farm working machine designed to positively drive tail wheels with the interval between them narrowed, thus seldom causing the tail wheels to run on soil blocks, subject to no missensing, and enabling plowing depth to be detected in response to the vertically moving operation of the tail wheels. ;CONSTITUTION: The interval between tail wheels 21 is narrowed and these wheels 21 are positively driven, and plowing depth is detected in response to the vertically moving operation of the tail wheels 21, thus controlling plowing depth. It is preferable that the tail wheels 21 be suspended from a tail wheel frame 20, supported by suspending rods 27 and driven by an electric or hydraulic motor 28.;COPYRIGHT: (C)1996,JPO