LIFTING STRUCTURE FOR GROUND-WORKING APPARATUS OF WORKING VEHICLE

PURPOSE:To secure the safety of a working vehicle by providing an automatic controlling means to vertically move an actuator according to a detection signal of a height sensor. CONSTITUTION:The height of a ground-working apparatus 4 from the ground is detected by a sensor 7. An actuator 6 to keep a...

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Bibliographic Details
Main Author KIMURA HIROTO
Format Patent
LanguageEnglish
Published 23.04.1990
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
FERTILISING
FISHING
FORESTRY
HUMAN NECESSITIES
HUNTING
PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL
PLANTING
SOIL WORKING IN AGRICULTURE OR FORESTRY
SOWING
TRAPPING
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Summary:PURPOSE:To secure the safety of a working vehicle by providing an automatic controlling means to vertically move an actuator according to a detection signal of a height sensor. CONSTITUTION:The height of a ground-working apparatus 4 from the ground is detected by a sensor 7. An actuator 6 to keep a prescribed height is lifted or lowered by an automatic controlling means according to the detection signal of the sensor 7. The ground-working apparatus 4 is forcibly lifted by a lifting means when a direction gear 12 of the machine is shifted to the side of backward motion. When the operation of the direction gear 12 to the backward motion is released after the lifting action, the automatic lowering of the ground- working apparatus 4 is inhibited by a checking means.
Bibliography:Application Number: JP19880262425