1251 patents
Page 21 of 63
Utility
Operating mechanism of work vehicle
20 Sep 22
An operating mechanism of a work vehicle includes: an operating portion that is provided to a side console disposed beside a seat and can be operated by an operator; and a switching portion capable of switching between a used state in which the operating portion can be used and a non-used state in which the operating portion cannot be used.
Norita Tottori, Hironobu Nogami, Satoru Yamanaka, Tadashi Nakamura, Hideaki Ezaki, Masafumi Oshita
Filed: 3 Dec 19
Utility
Hydraulic system for working machine
20 Sep 22
A hydraulic system includes a first output fluid tube connecting between a hydraulic pump to output operation fluid and a first operation valve to change a first pilot pressure of the operation fluid, a second output fluid tube connected between the hydraulic pump and a second operation valve to change a second pilot pressure of the operation fluid, a switching valve provided in the second output fluid tube, and a warm-up fluid tube connected between the first operation valve and the switching valve, wherein the switching valve is switched between a first position allowing the operation fluid to be drained through the first output fluid tube, the first operation valve, the warm-up fluid tube and the switching valve, and a second position allowing the operation fluid to be supplied through second output fluid tube to the second operation valve.
Yuji Fukuda
Filed: 28 Jan 21
Utility
Working Vehicle
15 Sep 22
A working vehicle includes a traveling vehicle body, a linking device capable of linking a working device to the traveling vehicle body, a sensor provided on the working device to monitor at least a surrounding area of the working device provided on the working device, and a controller to perform control relating to automatic operation of the traveling vehicle body based on a planned travel route and monitored information obtained by the sensor.
Yushi MATSUZAKI
Filed: 24 May 22
Utility
Working Machine
15 Sep 22
A working machine includes a battery unit; an electrical component; a radiator; an electrical-component cooling water channel along which cooling water delivered from an outflow port of the radiator is supplied to the electrical component and, after cooling the electrical component, circulates to an inflow port of the radiator; a switching unit provided on the electrical-component cooling water channel; and a battery cooling water channel along which the cooling water is supplied from the switching unit to the battery unit and, after cooling the battery unit, flows to the electrical-component cooling water channel.
Go TAKAKI
Filed: 3 Jun 22
Utility
Work Vehicle and Control System for Work Vehicle
15 Sep 22
A control system for a work vehicle that performs auto-steer driving includes a storage to store a target path for the work vehicle, and a controller configured or programmed to control steering of the work vehicle so that the work vehicle travels along the target path based on a position of the work vehicle identified by a position identifier and the target path stored in the storage.
Junichi YUASA, Ryo KURATA, Hiroaki SASAKI, Yuji OKUYAMA
Filed: 14 Mar 22
Utility
Front Loader and Work Car
15 Sep 22
A front loader is attached to a car body and includes: a boom; a mainframe fixed to the car body; and a subframe that is detachably attached to the mainframe and supports the boom.
Shin Torii
Filed: 24 Nov 21
Utility
Working Machine
15 Sep 22
A working machine includes a machine body, a steering device capable of changing an orientation of the machine body, a first wheel on the machine body, a second wheel on the machine body and separated from the first wheel in a machine-body width direction, a rotational difference generator to cause a rotational difference between the first and second wheels and that is a braking device, and a controller configured or programmed to include a first control unit to set a steering angle of the steering device based on a planned traveling route, and a second control unit to control the rotational difference generator based on the planned traveling route to cause a rotational difference between the first and second wheels.
Fumiya YOSHIMURA, Keisuke TAKEDA, Junki KUROISHI, Yusuke TAKAHASHI, Yuji OKUYAMA
Filed: 2 Jun 22
Utility
Valve Mounting Mechanism, Hydraulic Device, and Working Machine
15 Sep 22
A valve mounting mechanism, for mounting a mount valve on a cylinder tube of a hydraulic cylinder, includes: an attachment structure that attaches the mount valve to the hydraulic cylinder; a connection structure that connects a second end part of a hydraulic pipe, whose first end part is connected to the hydraulic cylinder, to a cylinder port of the mount valve; and an adjustment mechanism that adjusts relative positions of a pipe fastening portion, where the hydraulic pipe is fastened to the connection structure, and the mount valve.
Daisuke MATSUMIYA, Masaaki YOSHIZUMI, Toshiki TAKADA
Filed: 1 Jun 22
Utility
Work Vehicle
15 Sep 22
A work vehicle includes a vehicle body provided with a travel device; a prime mover provided in the vehicle body; a transmission device capable of speed-changing a driving force from the prime mover and transmitting the driving force to the travel device; a transmission case housing the transmission device and being filled with lubricating oil; and a control device capable of switching between a warm-up operation mode in which a gear of the transmission device is rotated in a state in which transmission of power from the transmission device to the travel device is blocked and a travel operation mode in which the gear is rotated in a state in which the power is transmitted from the transmission device to the travel device.
Tsuyoshi GONO, Yuji HIRASE, Atsushi JINNAI, Susumu TAKEOKA, Masahiro SAKAGUCHI, Kazuma ISHIHARA
Filed: 24 May 22
Utility
Port injection engine
13 Sep 22
A port injection engine, in which injected fuel readily vaporizes inside suction ports, includes: a suction port; a suction valve; and a port injector that injects fuel to an inner peripheral surface of the suction port.
Kosuke Aoki, Michisuke Iga
Filed: 19 May 21
Utility
Working Machine
8 Sep 22
A working machine includes a machine body, a linkage capable of linking a working device including a spreader to the machine body, an automatic travel controller to cause the machine body to perform automatic travel according to a planned travel route, a range acquirer to acquire a spreading work range that is a range where spreading work is done by the spreader in a front-rear direction thereof, and a work setter to set a work start position and a work end position for the spreader so that the work start position and the work end position are at different positions according to the spreading work range acquired by the range acquirer.
Fumiya YOSHIMURA, Kotaro YAMAGUCHI, Kenji TAMATANI, Takanori MORIMOTO, Ken SAKUTA
Filed: 24 May 22
Utility
Work Vehicle
8 Sep 22
The work vehicle includes a vehicle body provided with a travel device; a prime mover provided in the vehicle body; a transmission device capable of speed-changing a driving force from the prime mover and transmitting the driving force to the travel device; a transmission case housing the transmission device and being filled with lubricating oil; and a controller capable of switching between a warm-up operation mode in which a gear of the transmission device is rotated in a state in which transmission of power from the transmission device to the travel device is blocked and a travel operation mode in which the gear is rotated in a state in which the power is transmitted from the transmission device to the travel device.
Tsuyoshi GONO, Naoya NIHEI, Keiji TAKAHASHI, Susumu TAKEOKA, Shusaku YAMAGUCHI, Yoichi SUGIHARA
Filed: 27 May 22
Utility
Work Vehicle
8 Sep 22
A work vehicle includes: a body frame; a front weight at a front end portion of the body frame; a support mechanism supporting the front weight in such a manner that the front weight is movable in a front-back direction relative to the body frame; and a drive actuator configured to move the front weight in the front-back direction relative to the body frame between (i) a back position, at which the front weight is close to the body frame, and (ii) a front position, at which the front weight is far from the body frame.
Tsuyoshi GONO, Susumu TAKEOKA, Kazutaka FUJIMOTO
Filed: 30 Nov 21
Utility
Work Vehicle
8 Sep 22
A work vehicle includes: a body; left and right front wheels provided for the body; and left and right rear crawler units provided for the body.
Tsuyoshi GONO, Susumu TAKEOKA, Kazutaka FUJIMOTO
Filed: 3 Dec 21
Utility
Harvesting machine with crop detection and harvesting width detection
6 Sep 22
A harvesting machine includes a harvesting part provided forward of a machine body, and harvests crops in a farm field; and a plurality of crop sensors provided in the harvesting part at intervals in a left-right direction, and detect the presence of crops upon coming into contact with the crops.
Sotaro Hayashi, Mao Kitahara, Takashi Nakabayashi, Kyosuke Yamaoka, Shoma Deguchi, Sadanori Hida, Kazuhiro Takahara, Naoki Saito, Masayuki Horiuchi
Filed: 23 May 18
Utility
Electric travelling vehicle and grass mower
6 Sep 22
An electric travelling vehicle including: a motor controller configured to control an electric motor based on displacement of a steering operation part to a forward travel position, a neutral position, and a rearward travel position, a brake controller configured to bring an electromagnetic power-off brake into a released state or a braking state; and a travel state detector configured to detect a travelling state that is accompanied with the released state, a stopped state that is accompanied with the braking state, and a transit stopped state that is accompanied with the braking state.
Kazuaki Matsuda, Hirokazu Ito, Yasuhiro Manji
Filed: 23 Oct 20
Utility
Front guard for working vehicle
6 Sep 22
A front guard includes: a lower frame; and an upper frame and is configured to be swung to change a posture between a standing posture and a forward-leaning posture with respect to the lower frame.
Zachary Thompson, Carlos Cabrera, Junta Kuwae, Taiki Furuki
Filed: 12 Jun 20
Utility
Operating method for organic wastewater treatment apparatus and organic wastewater treatment apparatus
6 Sep 22
An organic wastewater treatment apparatus is operated by switching between a first operation mode and a second operation mode.
Soichiro Yatsugi, Shinya Nagae, Hitoshi Yanase, Ryosuke Ono
Filed: 22 Mar 21
Utility
Lift arm lifting and lowering mechanism
6 Sep 22
A lift arm lifting and lowering mechanism cylinder case provided with a cylinder portion into which oil is fed, a piston slidable inside the cylinder portion to define a hydraulic chamber and receiving hydraulic pressure of the hydraulic chamber on a front surface, a safety valve provided to the piston to discharge the oil inside the hydraulic chamber to the outside when the hydraulic pressure of the hydraulic chamber becomes greater than or equal to a predetermined value, and a lift arm supported by the cylinder case and rotatable in conjunction with movement of the piston, in which the piston includes an oil passage allowing communication between a rear surface of the piston and the front surface, and the oil passage includes a containing portion provided to open on the axially front surface side and capable of containing the safety valve, and a non-containing portion provided on the axially rear surface side relative to the containing portion and incapable of containing the safety valve.
Shinichiro Matsuda, Daisuke Miyazaki
Filed: 18 Nov 19
Utility
Work vehicle
6 Sep 22
A work vehicle includes an engine and a belt-type continuously variable transmission device provided on a lateral side of the engine and configured to (i) receive power from the engine and (ii) output the power to a traveling device while varying the power in terms of speed.
Yoshinori Oyama, Yusuke Morita, Toshiki Ono
Filed: 9 Jun 20