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JP2005168431 |
To solve the problem in which a space between right and left crawlers becomes narrow, because it is required in recent years to make a machine body of a combine harvester compact while having tendency to widely set a crawler width in ord...
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JP2005170252 |
To provide a traveling device in which a turning property of a traveling device is not deteriorated by braking pressure at the time of gentle turning.This vehicle comprises a differential gear mechanism 6 having a pair of right and left ...
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JP3690349 |
To improve problems of a hydraulic control circuit for actuating a travelling system and a working system of a combined harvester or the like. The combined harvester or the like hydraulically controls the travelling system T for travelli...
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JP3691687 |
To provide a running drive command device by which the speed is kept from being decreased by the tilting direction of an operation lever. A CPU 43 determines the magnitude of an operating signal to a traveling device according to a tilti...
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JP3691703 |
To improve mobility and operability and, at the same time, to enable easy correction of direction of travel and turning of a combine and other crawler vehicles as if operating a four-wheeled vehicle by allowing a gear- shifting operation...
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JP2005162166 |
To properly control traveling characteristics such as a power steering characteristic according to a characteristic of a road on which a vehicle is traveling.A control device 150 determines a kind of the road where its own vehicle curren...
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JP2005160406 |
To heighten easiness of maintenance of a transmission case while having a structure without a main frame.The riding type rice transplanter is obtained by linking a seedling-transplanting device 6 through a lifting and lowering link struc...
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JP3688195 |
To provide an agricultural four-wheel drive tractor to whose rear body portion a ground working machine is liftably connected and which has improved turning operability at the edge of a ride and enables an arbitrary operation for lifting...
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JP2005153548 |
To effectively utilize a steering structure of a riding type rice-transplanter for a small rice-transplanter, by liftably connecting a seedling planting device to a rear part of a 4WD type travel machine body having freely steerable left...
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JP2005153703 |
To provide a constitution by which the motion of "stationary steering" is smoothly performed in a hydraulic driving type four-wheel drive working vehicle which is a fuselage bending type.Axles 12L and 12R (first axles) and a hydraulic mo...
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JP2005153549 |
To enable a travel transmission structure of a rice-transplanter to exhibit the silent and smooth revolving function, by connecting a seedling planting device to a rear part of a 4WD type travel machine body having freely steerable left-...
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JP3686602 |
To reduce the manufacturing cost of a work vehicle which turns and travels a vehicle body by achieving different traveling speeds of right and left traveling devices. Right and left plant gear mechanisms are connected to an engine in an ...
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JP3685916 |
To prevent the occurrence of an operation failure caused by the sticking of sand particles or ducts by abolishing a sliding structure, a cam structure from a steering controller for a continuously variable transmission vehicle. When a ch...
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JP2005145154 |
To provide a transmission mechanism of a traveling device for cooling a lubricating oil by an oil cooler 65 and always cooling the lubricating oil by the oil cooler by operating, as a drive source, any rotating shaft in a transmission ca...
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JP2005137316 |
To provide a working vehicle capable of ensuring a forward visual field including a low position in addition to securement of operability of a steering operating tool.This working vehicle 1 is equipped with a steering operating tool 11a ...
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JP3680331 |
PURPOSE: To brake a turning inside rear wheel in turning a tractor and to vary braking force for the rear wheel according to a traveling condition of the tractor or a condition of a field so as to exhibit smooth turning performance. CONS...
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JP3681871 |
To smoothly perform a straight advancing traveling and route changing operation during agricultural operation and a spin turn operation in a field Levee merely by a series of continuous steering operations only by forming a machine so th...
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JP2005132212 |
To provide a constitution of a hydraulic type four-wheel drive vehicle excellent in the cornering performance owing to rear wheel deceleration.The four-wheel drive vehicle is equipped with a steering vehicle wheel driving device 1 furnis...
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JP2005132139 |
To provide a riding type working vehicle capable of reducing the situation that a working field is roughened by rear wheels on the turning center side when the vehicle makes a turn by steering front wheels to the right or to the left.The...
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JP2005132173 |
To adjust the braking force with high accuracy, and to simplify a structure of a cylinder for turning an automatic brake in a traveling vehicle for working to automatically brake a rear wheel on the inner turning side.In a traveling vehi...
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JP3677851 |
To absorb for an over-stroke amount when a follow-up member is pushed and slid into a state of over-stroke by a method wherein an over-stroke accommodating clearance is held at an engaging section under a normal engaged state between an ...
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JP3678998 |
To provide a working vehicle capable of preventing a damage etc. of a friction plate of a clutch device. This working vehicle is provided with a hydraulic pump for left traveling for driving a hydraulic motor for left traveling, a hydrau...
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JP2005125992 |
To carry out linear progression traveling and turning at the place at difference of speed of a driving wheel and to enhance level difference traveling property even while setting a diameter of an auxiliary wheel to a small degree.An auxi...
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JP3676892 |
To provide a travelling drive device which runs and turns machinery smoothly. This traveling drive device links a continuously variable transmission for travelling and a continuously variable transmission for operation 20 to an engine, l...
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JP3675971 |
To facilitate the maintenance of an operating oil filter and an operating oil cooler by reducing the number of pipes of an operating oil supplying system of an HST type transmission provided with an HST-type continuously variable transmi...
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JP3675972 |
To provide a simple arranging and attaching structure for constituting a transmission device by loading an HST-type trans mission provided with an HST type continuously variable transmission for traveling and an HST type continuously var...
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JP2005119327 |
To provide a controller in a work vehicle, capable of securing a minimum travel means by manually operating a transmission when an operation mechanism such as solenoid valve is out of order.A failure determination means 44 determining a ...
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JP2005119497 |
To provide a steering mechanism when remodeling a general automobile mounted with an internal combustion engine into a crawler type traveling vehicle.In this crawler type traveling vehicle 10, driving sprockets 18a and 18b are mounted on...
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JP2005121074 |
To smoothly perform the turning with a good riding quality in an automatic transmission mechanism of a construction machine.A variable capacity type hydraulic motor 1 is shiftable to a second speed and a first speed. A capacity control c...
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JP2005119328 |
To provide a controller in a work vehicle, capable of stopping control for the operation mechanism which is out of order due to failure of the operation mechanism side.A failure determination means 44 determining a failure on a predeterm...
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JP2005119619 |
To independently supply pressure oil to left and right motors for traveling from two hydraulic pumps and to realize traveling of a running-type construction machine, and realize straight travel by correcting zigzag movements in travellin...
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JP2005119662 |
To make the right and left weight balance of a traveling transmission device for a combine sufficient while smoothly carrying out differential turning even in a crawling speed traveling state.A rotation driving force is inputted to a sha...
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JP2005119659 |
To prevent steep turning at high speed by allowing a steering wheel to rotate only in a specified area from the straight-ahead direction, on a steering device of a working vehicle.This steering device of a working vehicle is constituted ...
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JP2005119414 |
To solve the conventional problem wherein, when protecting so that a hydraulic pump of an HST, a hydraulic motor, or a piping member connecting these parts may not contact or get stuck with obstacles at the time of machine body traveling...
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JP2005112194 |
To provide a traveling device enabling turning control using a rather inexpensive and compact differential mechanism for steering.A traveling transmission device comprises a side clutch device 25 having a pair of left and right side clut...
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JP3672474 |
To smoothly perform the steering operation of a farm working machine provided with a lateral pair of crawler type travel devices. In this steering system for the farm working machine, a steering operating means, side clutches 20L, 20R an...
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JP2005104195 |
To drive and control an electric roller for moving a heavy load such as a large potential transformer using optical communications.The electric roller comprises a pair of rollers 10a and 10b that are disposed on the same axial core in a ...
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JP2005104299 |
To facilitate the On-Off operation of a parking brake.A ride type rice field planting machine 1 as an agricultural working machine is structured so that a single pedal 81 to serve as a clutch and a brake is connected with a main clutch o...
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JP2005104292 |
To provide a turning controlling device for a working vehicle which can perform a turning under a good condition by suppressing the generation of a speed difference between a continuously variable transmission for turning and a continuou...
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JP2005106266 |
To suppress a loss of a drive force due to drag resistance of a motor and agitation resistance of oil when a hybrid vehicle is run by means of an engine.A hybrid vehicle capable of transmitting the drive force of an engine and a motor to...
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JP2005104291 |
To provide a swinging control device for a working vehicle capable of performing a smooth swinging operation and further performing a comfortable swinging operation.This device is constituted to control an actuator in such a way that a r...
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JP2005104293 |
To provide a swinging control device capable of swinging a working vehicle to a desired direction even under a state that either a transmission position detecting means or transmission operating means is recognized as an abnormal operati...
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JP3668265 |
PURPOSE: To easily operate a side clutch and a brake by a transmission device made compact by way of constituting it of a stepless speed change part and a gear type transmission part and coaxially providing a steering transmission part c...
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JP3667419 |
To smoothly turn on a slope a crawler type unmanned travelling vehicle which turn by activating both right and left side clutches and right and left side brakes, so that a machine body follows an induction sensor, after detecting a discr...
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JP2005096507 |
To provide a riding type working vehicle capable of suppressing working ground from being roughened by a rear wheel on the turning center side in turning the riding type working vehicle by steering and operating right and left front whee...
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JP2005096704 |
To provide a hydraulic driving device for a running construction machine to make running with a pressure oil fed from two hydraulic pumps independently to a left and a right running motor, capable of certainly making a straight run corre...
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JP3663698 |
To reduce the weight of a transmission by summerizing the functions so as to make the transmission as small as possible, in a crawler type moving agricultural machinery which is capable of only a pivot turn or three modes of pivot turn, ...
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JP3665123 |
To independently carry out braking operation of left and right brake devices furnished on a vehicle by respective operation of left and right turn brake pedals and to carry out simultaneous braking operation by operation of a master brak...
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JP3663758 |
To permit a crawler type traveling vehicle to make a proper normal turn on a paddy field without causing its crawlers to slip even if the center of the gravity of its body is decentered. A traveling vehicle body is fitted with a travelin...
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JP2005088850 |
To compactly dispose an engine, a continuously variable transmission for turning, a continuously variable transmission for going straight, and a transmission part.In the traveling vehicle, the transmission part incorporating a part of a ...
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