686 patents
Page 7 of 35
Utility
Tractor
27 Apr 23
A tractor includes: a vehicle body; an engine bonnet that forms an engine compartment; an engine disposed in the engine compartment; a first exhaust-gas cleaning device that is disposed in the engine compartment and purifies exhaust gas discharged by the engine; and a second exhaust-gas cleaning device that is disposed in the engine compartment and purifies the exhaust gas, the first exhaust-gas cleaning device being disposed above the engine such that a long side of the first exhaust-gas cleaning device is substantially parallel to a vehicle-body lateral width direction, the second exhaust-gas cleaning device being disposed behind the engine such that a long side of the second exhaust-gas cleaning device is substantially parallel to the vehicle-body lateral width orientation, and a maximum vertical length of the first exhaust-gas cleaning device is shorter than a maximum longitudinal length of the first exhaust-gas cleaning device.
Yoshiyuki Tamaki, Kyota Inoue, Ryuichi Inoue, Masaru Shinya, Satoshi Nagata
Filed: 28 Oct 22
Utility
Work Tool Mounting Mechanism
27 Apr 23
A working tool mounting mechanism for a tractor, includes: an extensible cylinder that is disposed on a tip of a boom of a front loader of the tractor, and comprises a cylinder body and a rod slidable with respect to the cylinder body; engaging parts that are respectively disposed on the cylinder body and the rod, and are each movable between an engagement position and a release position with extension and contraction of the extensible cylinder, the engaging parts each engaging with a working tool detachably attached to the boom at the engagement position, and not engaging with the working tool at the release position; a cover that covers the extensible cylinder from one direction; and a frame that is fixed to the cover and restricts at least one of: movement of the cylinder body and the rod in an extensible direction exceeding a predetermined position with the extension and contraction of the extensible cylinder, and rotation of the extensible cylinder around an axial direction.
Shin Torii, Koshiro Hirakawa
Filed: 28 Oct 22
Utility
Working Machine
20 Apr 23
A working machine includes: an operator’s seat; and at least one pedal to be operated by being stepped on with a foot, or with feet.
Hiroshi HORII
Filed: 8 Dec 22
Utility
Tractor
20 Apr 23
A tractor includes: a vehicle body; an engine disposed in an engine compartment; a radiator that is disposed, in the engine compartment, further toward a vehicle-body front side than the engine and cools the engine; an exhaust-gas cleaning device that purifies exhaust gas exhausted from the engine using a reducing agent; a reducing-agent tank that stores the reducing agent supplied to the exhaust-gas cleaning device; and a battery, the reducing-agent tank being disposed, in the engine compartment, side-by-side with the battery and further toward the vehicle-body front side than the radiator.
Kenichiro Tsuji, Hiroki Nakatsuka, Ryuichi Inoue
Filed: 28 Oct 22
Utility
Fuel Supply Guide and Working Machine
13 Apr 23
To ease work of transferring a fuel from a fuel supply tank to a fuel tank, a fuel supply guide to be used to supply the fuel by using the fuel supply tank to the fuel tank having a tank body for storing the fuel and a fuel supply port on the upper side of the tank body includes a support member provided on an upper portion of the fuel tank, and a body member projecting from the support member in a direction away from the fuel supply port as the body member extends upward and projecting higher than the fuel supply port.
Hiroshi HORII
Filed: 13 Dec 22
Utility
Utility Vehicle
13 Apr 23
A utility vehicle includes an open driver section including a driver’s seat for a driver to sit on; a hermetically sealable space disposed in the driver section and having a door; and a terminal in the hermetically sealable space.
Yuki Nakaoka
Filed: 26 May 22
Utility
Working Machine
13 Apr 23
A working machine includes a machine body, a first hydraulic actuator mounted on the machine body, a first control valve that controls the first hydraulic actuator, a controller that controls the first control valve, and a second hydraulic actuator that is different from the first hydraulic actuator.
Hiroshi HORII
Filed: 12 Dec 22
Utility
Working Machine
6 Apr 23
A working machine includes a vehicle body to which a working device is connectable, a driving estimator to estimate whether the vehicle body is drivable along a road based on a road condition and a device condition, a controller to control a driving operation of the vehicle body based on an estimation result obtained by the driving estimator, and a communicator to transmit to an external device driving information regarding driving the vehicle body under control of the controller.
Susumu UMEMOTO, Yushi MATSUZAKI, Shinnosuke ISHIKAWA, Takanori MORIMOTO
Filed: 12 Dec 22
Utility
Working Machine
6 Apr 23
A working machine includes: an operating body switchable between a first position to prevent an operator from getting on/off an operator's seat and a second position to allow the same; a plurality of hydraulic actuators whose operation is enabled when the operating body is in the first position and disabled when in the second position; a manipulation member to be manipulated to operate the hydraulic actuators; and a pattern switching member to be operated switchingly to select one from among a plurality of manipulation patterns of the manipulation member to operate the hydraulic actuators.
Hiroshi HORII
Filed: 12 Dec 22
Utility
Swivel Working Machine
30 Mar 23
A swivel working machine includes a swivel base, a prime mover installed in the swivel base, a working device provided at the swivel base, and a support mechanism that supports a fuel cylinder in a rotatable manner around a pivot shaft.
Kiyoshi MATSUI, Koji NAGAHAMA
Filed: 21 Nov 22
Utility
Transfer-Case Attaching Device and Multi-Purpose Vehicle Including the Transfer-Case Attaching Device
30 Mar 23
A transfer-case attaching device includes a fixation mechanism.
Toshifumi Yasuda, Akihiro Takami
Filed: 7 Jun 22
Utility
Two-Cylinder Reciprocating Engine
30 Mar 23
A two-cylinder reciprocating engine includes a cylinder block; a first cylinder with a combustion chamber; a second cylinder with a combustion chamber; a crankshaft coupled to the first cylinder and the second cylinder with a crank angle of 270 degrees; a first exhaust port connected with the combustion chamber of the first cylinder; a second exhaust port connected with the combustion chamber of the second cylinder; a first header connected with the first exhaust port; a second header connected with the second exhaust port; and an exhaust converging section connected with the first header and the second header, wherein the first header, the second header, and the exhaust converging section are in the cylinder block.
Kazuhiro Tanaka
Filed: 27 May 22
Utility
Utility Vehicle
30 Mar 23
A utility vehicle includes: a vehicle body; an occupant section disposed in the vehicle body and configured to accommodate an occupant; a door that is disposed at a portion of the vehicle body which portion is lateral to the occupant section and which is openable and closable; a trim that is attached to at least a portion of a first one of an edge portion of the door or a portion of the vehicle body which portion corresponds to the edge portion of the door, and that is configured to be in contact with a second one of the edge portion or the corresponding portion of the vehicle body when the door is in a closed state; and a cover covering the trim.
Yusuke Endo
Filed: 27 May 22
Utility
Pipe Joint
23 Mar 23
In a pipe joint, a spigot is inserted into a socket; a lock ring is accommodated in a lock ring-accommodating groove formed in the inner circumference of the socket; and an engaging part formed in the outer circumference of the spigot, wherein the engaging part engages with the lock ring from a back side of the socket in a separation direction A of the spigot, thereby preventing the spigot from separating from the socket.
Shozo KISHI, Keita ODA, Ryunosuke TANAKA
Filed: 5 Oct 20
Utility
Joint and Work Vehicle
23 Mar 23
A joint includes: a first coupling section configured to be coupled to an end of a first pipe; and a second coupling section configured to be coupled to an end of a second pipe.
Yusuke Endo, Yumi Kushimoto, Yuki Monde
Filed: 3 Jun 22
Utility
Hydraulic System for Working Machine
23 Mar 23
In a hydraulic system for a working machine, a controller is configured or programmed to increase an output-port pressure of one activation valve for one hydraulic device and an output-port pressure of another activation valve for another hydraulic device to a normal pressure higher than a preloading pressure from a state where the output-port pressure of the one activation valve is equal to the preloading pressure and the output-port pressure of the other activation valve is lower than the preloading pressure, by causing the output-port pressure of the one activation valve to be lower than the preloading pressure and increasing the output-port pressure of the other activation valve to the normal pressure.
Yuji FUKUDA, Ryota HAMAMOTO, Jun TOMITA, Yuya KONISHI
Filed: 15 Jun 22
Utility
ROPS Frame for Work Vehicle, and Work Vehicle
23 Mar 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
Power Supply Device for Electric Work Vehicle
23 Mar 23
A power supply device for an electric work vehicle, including: a battery by which an electric work vehicle is drivable; a first connection unit for an internal inverter configured to convert DC power from the battery into AC power, and output the AC power to an internal electric device installed in the electric work vehicle; a second connection unit for an external inverter configured to convert DC power from the battery into AC power, and output the AC power to an external electric device; and a battery control unit connected to the first connection unit and the second connection unit, and configured to control charging of, and power supply from, the battery, wherein the battery control unit is configured to communicate with the external inverter side via the second connection unit to perform authentication regarding whether or not power supply to the external inverter is permitted.
Takumi Yamamoto, Tomohiko Hisakuni, Masahiro Yamada, Hirokazu Ito
Filed: 15 Jun 22
Utility
Work Vehicle
23 Mar 23
A work vehicle capable of traveling on a public road and in a working field includes: a public road traveling determination unit configured to generate vehicle body position information regarding a position at which the vehicle body is located, determine based on the vehicle body position information whether or not the vehicle body is traveling on the public road, and output a determination result; and a vehicle speed limiter configured to limit a vehicle speed in accordance with the determination result.
Tomohiko Hisakuni, Masahiro Yamada, Hirokazu Ito
Filed: 15 Jun 22
Utility
Agricultural Robot
16 Mar 23
An agricultural robot includes a traveling body, a working unit on the traveling body to do work relating to a crop, an optical sensor on the traveling body, and a crop estimator to perform estimation of the crop based on sensor data obtained by the optical sensor.
Shunsuke EDO, Takuya TAMAI, Jumpei MIYAMOTO, Tomoyoshi SAKANO
Filed: 21 Nov 22