1251 patents
Page 14 of 63
Utility
Vehicle Suspension Link Device and System, and Work Vehicle with Such System
2 Mar 23
A vehicle suspension link device including a link element with a first and a second connection locus, for connection of the link element to a vehicle support structure and to a vehicle axle respectively, and a sensor element for detecting a movement of the link element, the sensor element being attached to the link element at an attachment point located on a virtual straight axis joining the first connection locus and the second connection locus.
Andrea MIGLIORI, Sebastien DAVID, Masatoshi IWAMOTO
Filed: 16 Aug 22
Utility
Travel Control System
2 Mar 23
A travel control system includes a permission unit that permits outermost periphery automatic traveling if predetermined permission conditions are satisfied.
Takanori Morimoto, Kotaro Yamaguchi, Ryota Kikuchi, Ken Sakuta, Fumiya Yoshimura
Filed: 26 Aug 22
Utility
Housing and electric mower
28 Feb 23
A housing holding parts includes a plurality of outer circumferential plates connected with each other to form a first enclosed space, one or more of the outer circumferential plates having a total of two or more outer holes formed therein, and a gutter member connected to at least two outer circumferential plates, the gutter member having an inner hole formed therein, wherein a second enclosed space is formed by the outer circumferential plates and the gutter member, the outer holes communicate with the second enclosed space, and the inner hole is provided to be offset from each of the lines passing through each of the outer holes which are perpendicular to the outer circumferential plates in which the outer holes 8 are formed.
Kazuaki Matsuda, Hirokazu Ito
Filed: 8 Jun 20
Utility
Field map generating system
28 Feb 23
A field map generating system includes: a crop data obtaining unit that obtains crop data over time; a position information obtaining unit that obtains position information, indicating a harvesting position of the crop, over time; polygon constructing units that construct a polygon on the basis of a work width and speed of a harvester, for each piece of crop data obtained by the crop data obtaining unit; data assigning units that assign crop data or crop information based on the crop data to the constructed polygons; a position information assigning unit that assigns position information to the constructed polygons; and field map generating units that generate a field polygon map, which is an aggregate of the polygons, by aggregating the polygons.
Kazuhiro Takahara, Ryuzo Fujita, Mitsuhiro Seki, Mao Kitahara
Filed: 7 Jun 18
Utility
Work vehicle transmission and work vehicle having the same
28 Feb 23
A work vehicle transmission includes a first transmission mechanism that changes input motive power to any one of multiple speeds, and a second transmission mechanism that changes the motive power changed by the first transmission mechanism to any one of multiple speeds, the number of speeds of the second transmission mechanism being smaller than that of the first transmission mechanism.
Hidetoshi Hana, Tomonari Tsuchida, Noriaki Takewa, Satoshi Yoshikawa, Kazuya Maeda
Filed: 19 Nov 20
Utility
Mower unit
21 Feb 23
The mower unit includes a mower deck having a top wall and side walls extending downwards from an outer circumferential edge of the top wall, a rotational shaft extending upwards through the top wall from an inside space formed by the top wall and the side walls, a cutter blade attached to a lower portion of the rotational shaft within the inside space and rotatable together with the rotational shaft, an electric mower motor having an output shaft that can rotatably drive the rotational shaft, and a flywheel rotatable in association with the rotational driving of the mower motor.
Hirokazu Ito, Kazuaki Matsuda
Filed: 30 Oct 19
Utility
Hydraulic system for working machine
21 Feb 23
A hydraulic system includes a first supply line connecting a boom control valve and a bottom side of a boom cylinder, a second supply line connecting the boom control valve and a rod side of the boom cylinder, a leveling switch valve having: a first operating position allowing a leveling operation of a working tool; and a first stopping position allowing the leveling operation to stop, a ride controller including: a ride-control switch valve connected to a branched fluid line branched from the first supply line; and an accumulator configured to perform an anti-vibrating operation for suppressing a pressure fluctuation of the boom cylinder, and a drain fluid line to discharge operation fluid in a downstream section extending from the leveling switch valve to the rod side of the boom cylinder in the second supply line when the leveling switch valve is switched to the first stopping position.
Yuji Fukuda
Filed: 22 Oct 20
Utility
Battery unit
21 Feb 23
A battery unit includes a positive relay switch, a negative relay switch, a first resistor disposed in a third wiring portion extending between a positive external terminal and a negative external terminal, a second resistor serially connected to a portion on more negative side than the first resistor, a third resistor disposed in a second wiring portion and connected in parallel with the negative relay switch, a potential difference detection section capable of detecting a first potential difference which is a potential difference between the portion of the third wiring portion on more negative side than the first resistor and a negative terminal and a failure determination section for determining a failure of the positive relay switch and the negative relay switch respectively, based on the first potential difference.
Hirokazu Ito, Tomohiko Hisakuni
Filed: 11 Nov 20
Utility
Hydraulic System for Working Machine
16 Feb 23
A hydraulic system for a working vehicle includes a first hydraulic pump to deliver pilot fluid to a control valve for a hydraulic actuator whose highest load pressure acts on a first fluid passage, and a second hydraulic pump to deliver hydraulic fluid whose pressure acts on a second fluid passage.
Yuji FUKUDA, Kazuyoshi ARII, Toshihiko TAKEMURA
Filed: 16 Jun 22
Utility
Hydraulic System for Working Machine, and Working Machine
16 Feb 23
A hydraulic system for a working machine includes a traveling motor to output power to a traveling device in the working machine, a first detector to detect a physical quantity that changes in accordance with a traveling state of the working machine and that is detected at intervals of a predetermined period, and a controller to execute automatic shift-down to automatically reduce a rotational speed of the traveling motor to a first speed stage when the rotational speed of the traveling motor is in a second speed stage higher than the first speed stage.
Kohei NAGAO, Yuji FUKUDA, Ryota HAMAMOTO
Filed: 15 Jun 22
Utility
Work Vehicle
9 Feb 23
A work vehicle includes a cover having a center cover portion, a first side cover portion, and a second side cover portion.
Takahiro USAMI, Kosuke HATTORI, Yoshihiro EBATA, Shinsuke HISATAKE
Filed: 8 Jun 22
Utility
Work Vehicle and Method for Controlling Work Vehicle
9 Feb 23
A method for controlling a work vehicle includes driving a first hydraulic pump and a second hydraulic pump by an engine to supply hydraulic fluid to a first hydraulic motor and a second hydraulic motor, respectively, to drive a first traveling device and a second traveling device, respectively.
Daiki ABE, Ryota HAMAMOTO, Yuki BUNRYO
Filed: 20 Jun 22
Utility
Working machine
7 Feb 23
A working machine comprises an operation member for operating a hydraulic device via a control valve.
Masahiro Toyama, Yuji Fukuda
Filed: 11 Jul 22
Utility
Hose Support Structure, Link for Work Vehicle, and Work Vehicle
2 Feb 23
A hose support structure includes a first round bar and a second round bar provided on a mounting surface of a first plate and extending in a first direction.
Takahiro KUBO, Toyoharu HASHIMA, Yoshihiro EBATA
Filed: 15 Jun 22
Utility
Hybrid Power Transmission Mechanism
2 Feb 23
A hybrid power transmission mechanism includes an engine; a motor/generator having a rotor and a stator; a driven machine; a planetary gear mechanism having a sun gear, an internal gear drivingly connected to the rotor, a planetary gear, and a planetary carrier shaft including first and second extension shaft parts extending from the planetary gear in opposite directions; a first clutch switchable between a state of allowing transmission of power between the first shaft and the internal gear and a state of not allowing transmission of power therebetween; and a second clutch switchable between a state of allowing rotation of the sun gear and a state of not allowing rotation thereof.
Sumio YAGYU
Filed: 7 Jun 22
Utility
Electronic Control Device
2 Feb 23
An electronic control device 1 includes: a circuit board 4 having a first surface 4A on which heat-generating components 21, 22, 23 and heat-degradable components 31, 32 are mounted; a first metallic case 2 covering the first surface 4A; a second case 3 covering a second surface 4B of the circuit board 4 opposite to the first surface 4A; supporting members 51, 52 provided between the heat-degradable components 31, 32 and the first case 2 to support the heat-degradable components 31, 32; and heat-dissipating members 41, 42, 43, each provided on at least any of the heat-generating components 21, 22, 23, and the first case 2, to transmit heat generated from the heat-generating component 21, 22, or 23, to the first case 2.
Motohiro KAWANABE, Koji NAKAKITA, Kenji NISHIOKA, Misaki YAMADA
Filed: 9 Mar 21
Utility
Work vehicle
31 Jan 23
A work vehicle includes a cutter device for cutting plant in a field, a storage section for storing plant cut by the cutter device, an inclination angle sensor for detecting an inclination angle ((θd)) of the vehicle body, a display device for displaying the inclination angle detected by the inclination angle sensor, and a reporting device for reporting the inclination angle exceeding a permissible inclination angle ((θa)).
Kazuyoshi Kawamoto, Eiji Sato, Yuta Horibe, Takashi Kumashiro, Tomohisa Yamamoto, Akihito Mihara
Filed: 22 Sep 20
Utility
Traveling vehicle and working vehicle
31 Jan 23
A tractor includes a controller configured to make a determination as to whether stopping control is necessary and to start the stopping control, based on a relation between a target bale size and a current bale size and a stopping distance corresponding to a vehicle speed and a surrounding environment.
Shinnosuke Ishikawa, Susumu Umemoto, Ryo Kurata
Filed: 25 Jun 20
Utility
Front guard and working vehicle
31 Jan 23
A front guard attached to a front portion of a vehicle body of a work vehicle includes a lower frame attached to the vehicle body, and an upper frame that is attached to the lower frame so as to be swingable around a shaft oriented in the vehicle width direction and the posture of which can be changed between a standing posture and a forward leaning posture by swinging with respect to the lower frame.
Ryuichi Nadaoka, Takahiro Yonekura, Daniel Underwood
Filed: 25 Jan 21
Utility
Multiple-purpose vehicle
31 Jan 23
A gear transmission (20) includes a plurality of shift gears (36, 37), a plurality of shifters (55, 56) engaged, respectively, with the plurality of shift gears (36, 37), and a shift drum (58) rotatably operated by a stepped speed changing operational tool (66) to operate the plurality of shifters (55, 56), thus being speed-changed in forward three speed stages.
Toshifumi Yasuda, Yusuke Morita
Filed: 30 Mar 22