525 patents
Page 2 of 27
Utility
Front loader and work car
21 Nov 23
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
14 Nov 23
A working machine includes a prime mover, a traveling motor a speed shifting valve configured to shift an output speed of the traveling motor between a first speed and a second speed faster than the first speed, an actuation valve to change a hydraulic pressure applied to the speed shifting valve, a brake shiftable between a braking state to brake the traveling motor and a braking releasing state to release the braking, and a controller configured or programmed to control the actuation valve and the brake, and being capable of activate a warm-up mode.
Yuji Fukuda, Kohei Nagao, Hiroaki Nakagawa, Ryota Hamamoto, Kazuki Ueda, Yudai Koga, Kohei Kurachi
Filed: 5 Aug 21
Utility
Work vehicle
14 Nov 23
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
Working device and working machine having the same
7 Nov 23
A working device to be connected to a traveling vehicle having a prime mover, the working device being configured to perform an agricultural work, includes a working portion to rotate to perform an agricultural work, an electric motor to be driven by electric power, a power transmission mechanism to which power generated by the electric motor is inputted, configured to transmit the power to the working portion; and a regeneration resistor to consume a regenerative power generated in the electric motor, the regeneration resistor being arranged at a position to be cooled by wind generated by rotation of the working portion.
Go Takaki, Sumio Yagyu, Yukifumi Yamanaka
Filed: 25 Jun 20
Utility
ROPS frame for work vehicle, and work vehicle
7 Nov 23
A ROPS frame for a work vehicle includes: a first pipe having an end; a second pipe having an end facing the end of the first pipe; a plate-shaped first joint coupled to the end of the first pipe and oriented orthogonally to a longitudinal direction of the pipes; a plate-shaped second joint coupled to the end of the second pipe and oriented orthogonally to the longitudinal direction of the pipes, the second joint being placed on the first joint; and a bolt extending through the first and second joints and fastening the first and second joints to each other.
Kohta Nakao, Yuki Monde
Filed: 13 Jun 22
Utility
Traveling work machine
7 Nov 23
A traveling work machine includes a position detector capable of obtaining position information of a machine body based on a positioning signal from a navigation satellite, an end determiner capable of determining the end of each of a plurality of instances of work travel, a start position calculator capable of calculating start positions Ls and Ls2, and a display capable of displaying information pertaining to the turning travel.
Shunya Takase, Hiroki Suga, Koji Matsuda, Shunsuke Miyashita
Filed: 6 Dec 19
Utility
Working vehicle
31 Oct 23
A working vehicle includes a traveling vehicle body, and an automatic driving controller to perform first automatic driving in which different operations relating to the traveling vehicle body are performed automatically and second automatic driving in which at least one of the different operations is set to be performed manually and another one or more of the different operations other than the at least one of the different operations set to be performed manually continue to be performed automatically.
Yushi Matsuzaki
Filed: 9 Jun 22
Utility
Work vehicle, control method, and recording medium
31 Oct 23
A work vehicle includes an engine, a transmission to change a received rotational force to a rotational force at a gear ratio that corresponds to a desired vehicle speed and output the changed rotational force, a first operating tool to change the rotation speed of the engine and a deceleration rate of the transmission, a rotation speed controller to control the rotation speed of the engine based on an input provided to the first operating tool, and a second operating tool to receive a holding instruction to hold the rotation speed of the engine constant.
Keiji Takahashi, Tatsuya Sakai, Naoya Okamoto, Ryuji Kitagawa, Tsuyoshi Gono
Filed: 7 Dec 21
Utility
Working machine
24 Oct 23
A working machine includes: a machine body provided thereon with a traveling pump and a traveling motor; a traveling change-over valve shiftable between a first state where a rotation speed of the traveling motor is set to a first speed and a second state where the rotation speed is set to a second speed; an actuation valve operable to control a flow of operation fluid to an operation valve that changes a pressure of operation fluid to be applied to the traveling pump according to operation of an operation member; and a controller to perform a shock-mitigation control for reducing an opening degree of the actuation valve when the traveling change-over valve is shifted from the first state to the second state.
Ryota Hamamoto, Kazuki Ueda, Daiki Abe, Kohei Nagao
Filed: 8 Mar 23
Utility
Agriculture support system, agriculture support device and agriculture support method
24 Oct 23
An agriculture support system includes a data obtaining device to obtain at least one type of data among a plurality of types of data relating to planting of crops, a mesh setting device to allocate, as divided data, the data obtained by the data obtaining device to each of areas of an agricultural field in which the crops are planted, a first map display to relate, to a location of the agricultural field, the divided data allocated to each of the areas by the mesh setting device and to display the divided data as a first field map, a spreading setting device to set a spreading amount of spread substance in each of the areas based on the divided data of each of the areas, and a second map display to relate, to the location of the agricultural field, the spreading amount and to display the spreading amount.
Shuji Takeda, Yoshiharu Yoshimoto, Masayuki Yao, Kazuhiro Takahara, Tomohiro Nishikawa
Filed: 26 Dec 19
Utility
Battery attachment mechanism
24 Oct 23
An electric powered work vehicle is to be configured so that holding of the battery at the storage position can be carried out easily at the time of attachment of the battery.
Masahiro Yamada, Hirokazu Ito
Filed: 30 Nov 20
Utility
Working machine
17 Oct 23
A working machine includes a prime mover, a traveling pump driven by a power of the prime mover to deliver operation fluid, a traveling motor rotated by the operation fluid delivered from the traveling pump to have a rotation speed stage shiftable between a first speed stage and a second speed stage higher than the first speed stage, a traveling switching valve shiftable between a first state where the rotation speed stage of the traveling motor is set to the first speed stage and a second state where the rotation speed stage of the traveling motor is set to the second speed stage, an actuation valve configured to change a pilot pressure of a pilot fluid to control a flow of operation fluid delivered from the traveling pump, and a controller configured to control the pilot pressure of the pilot fluid output from the actuation valve so that a value of the pilot pressure differs depending on whether the set rotation speed stage of the traveling motor is the first speed stage or the second speed stage.
Yuji Fukuda, Ryota Hamamoto, Jun Tomita, Daiki Abe
Filed: 28 Jun 21
Utility
Cabin
10 Oct 23
To improve a view of a side area from a cabin, the cabin mounted on a machine body includes a hollow rear pillar located on a rear portion of a side surface of the cabin.
Daisuke Yasunobe
Filed: 10 Jun 21
Utility
Working vehicle and tractor
10 Oct 23
A working vehicle includes an inertia detector to measure inertia information of a vehicle body, a rear axle supporting a rear wheel, and a transmission case rotatably supporting the rear wheel.
Kumiko Kobayashi, Kunihiko Nishino, Yasuaki Morioka, Shunsuke Miyashita, Yuki Kubota, Misako Kawai
Filed: 17 Jun 20
Utility
Work vehicle including DPF
10 Oct 23
A work vehicle includes an exhaust gas treatment device including a DPF (diesel particulate filter); a DPF condition determiner configured to determine a DPF condition as a condition of the DPF based on a detection signal from a sensor; a monitor configured to display the DPF condition and having a DPF condition display area that includes a plurality of text segments to display respective predetermined text items different from each other; and a text display controller configured to light up two or more of the plurality of text segments in accordance with the DPF condition determined by the DPF condition determiner.
Satoshi Kobayashi, Mark Breutzman
Filed: 31 Jan 22
Utility
Work vehicle
10 Oct 23
A thermostat is provided at a connection portion between a cooling water supply passage and a bypass passage.
Kazuhiro Tanaka
Filed: 5 Nov 20
Utility
Working machine and manufacturing method of the same
10 Oct 23
The working machine includes an operator seat, an armrest arranged adjacent to the operator seat, an operation lever arranged in front of the armrest, and a jug dial arranged adjacent to the operation lever.
Yoichi Nishigori, Ryo Masuda, Kenta Kamakura
Filed: 27 Feb 20
Utility
Engine head structure
10 Oct 23
To provide an engine head structure for “omission or shortening a fuel pipe that withstands a high pressure”, “simplification or omission of a support bracket for a fuel accumulator and/or a fuel injection device”, “reduction of the number of parts” by devising a fuel accumulator and a support structure therefor, and the like.
Akira Tamura, Kensuke Fujita, Hiroki Oso, Yasushi Kobayashi, Shingo Matsunobu, Mitsugu Okuda
Filed: 8 Mar 21
Utility
Working machine
10 Oct 23
A working machine includes a prime mover, a hydraulic pump driven by power of the prime mover, a cooler including a cooling fan rotated by either the power of the prime mover or hydraulic fluid delivered from the hydraulic pump, and a controller configured or programmed to perform a reduction control for reducing a target fan rotation speed that is a target rotation speed of the cooling fan in response to reduction of an actual prime mover rotation speed that is an actual rotation speed of the prime mover, and to perform, after the reduction control, a restoration control for restoring the target fan rotation speed.
Daiki Abe, Yuji Fukuda, Hiroaki Nakagawa, Ryota Hamamoto
Filed: 6 Aug 21
Utility
Tractor, travel power transmission apparatus for a tractor, and tractor provided with the travel power transmission apparatus for a tractor
3 Oct 23
Regarding a travel power transmission apparatus for a tractor, in which a creep speed changing apparatus is housed in a transmission case, the present invention increases a deceleration ratio throughout the creep speed change while suppressing an increase in the size of the transmission case.
Yasuyuki Oka
Filed: 2 Sep 19