TRACTOR

• Main Authors: HISAOKA YASUHIRO, IEGI KUNIHIKO, MATSUKAWA TERUKI, IGAUE TOMOHIRO
• Format: Patent
• Language: English
• Published: 13.12.2012
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; SOIL WORKING IN AGRICULTURE OR FORESTRY; TRANSPORTING; TRAPPING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL

PROBLEM TO BE SOLVED: To automatically ensure connection between right and left brakes to attain the safety of traveling on a road.SOLUTION: The tractor includes right and left brake pedals juxtaposed right and left in a traveling vehicle body; a brake connecting/releasing means for placing the right and left brake pedals into a connected state or a non-connected state; a lift arm for lifting and turning a rotary tilling apparatus; a work switching dial for switching a work mode into a traveling light work mode and a tilling heavy work mode; a lift arm lifting sensor for detecting the lifted state of the lift arm; and a brake connecting/releasing actuator for switchingly operating the brake connecting/releasing means. The tractor further includes a controller for carrying out the connecting operation of the right-left brake connecting/releasing actuator to place the brake connecting/releasing means in the non-connecting state into a right-left connecting state when the lift arm lifting sensor detects the lifted state of the lift arm to a predetermined height or higher in the state of the work switching dial switching to a work mode other than the tilling heavy work mode.