525 patents
Page 6 of 27
Utility
Alloy for overlay welding and reaction tube
28 Mar 23
Motoyuki Matsubara, Kunihide Hashimoto, Hiroshi Yamaguchi, Masayuki Tomita
Filed: 10 Dec 20
Utility
Power transmission device
28 Mar 23
A power transmission device includes a first shaft provided to be rotatable around a first rotational axis of the hydraulic pump driven by the engine.
Daisuke Inaba, Ryota Kobayashi, Shunsuke Odashima
Filed: 1 Mar 22
Utility
Hybrid power transmission mechanism
21 Mar 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
Hydraulic system for working machine
21 Mar 23
A hydraulic system for a working machine includes hydraulic actuators actuated with hydraulic fluid delivered from a hydraulic pump, and control valves each of which is shiftable among shift positions to control a flowrate of hydraulic fluid flowing to the corresponding hydraulic actuator.
Yuji Fukuda
Filed: 28 Sep 21
Utility
Tractor
21 Mar 23
In a tractor, a radiator is arranged on one front-rear side relative to an engine.
Hiroki Nagai, Sachiko Tsujimori, Tomohisa Yamamoto, Taisuke Hashimoto, Kunihiro Yoneguchi
Filed: 14 Oct 20
Utility
Work vehicle
7 Mar 23
In a work vehicle, a pivot axis of an operating lever and a rotary axis of a potentiometer are located on a same axis.
Masahiro Yamada, Hirokazu Ito, Tomohiko Hisakuni
Filed: 20 Oct 20
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
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
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
Utility
Agriculture support device and agriculture support system
31 Jan 23
An agriculture support device includes a traveling creator to create a scheduled traveling route of an agricultural machine in an agricultural field, a display controller to display on an external terminal a virtual traveling status of the agricultural machine to travel on the scheduled traveling route created by the traveling creator, and a correction permitting controller to permit correction of the scheduled traveling route created by the traveling creator when the external terminal requests the correction.
Akinori Unesaki, Izuru Shimamoto, Hirokazu Sasamoto, Yoshiharu Yoshimoto
Filed: 19 Jun 20
Utility
Working machine
24 Jan 23
A working machine includes a machine body, an engine provided on the machine body, a radiator to cool a coolant supplied to the engine, a first fan provided on one directional surface side of the radiator, the first fan being rotatable in either one of a first direction to suck external air to an interior of the machine body and a second direction to generate an air flow for discharging air from the interior of the machine body to an exterior of the machine body, and a second fan provided on the other directional surface side of the radiator and configured to be rotated in the second direction.
Ryota Hamamoto, Taketo Kimura, Satoshi Takaki
Filed: 5 Aug 21
Utility
Combine harvester frame arrangement
24 Jan 23
A combine harvester is provided with left and right main frames that extend in the front-rear direction of a vehicle body, and a threshing device installed between the left and right main frames.
Takafumi Mitsui, Mamoru Shinya, Hiroaki Matsushita, Takahiro Uchi
Filed: 25 Oct 17