525 patents
Page 13 of 27
Utility
Front loader
22 Feb 22
A front loader includes a link operating mechanism spanning a bucket and a stand.
Robert Stewart Boyd, Erik Baker
Filed: 14 Jul 20
Utility
Hydraulic system of working machine
22 Feb 22
A hydraulic system includes a hydraulic pump to output an operation fluid, first and second hydraulic devices to be operated by the operation fluid, first and second control valves to control the first and second hydraulic device, respectively, first and second communication tubes connecting the first hydraulic device to the first control valve, a supply fluid tube connecting the first control valve to the second control valve, the supply fluid tube being configured to supply the return fluid to the second control valve, first and second connection fluid tubes disposed on the first control valve, a discharge fluid tube connected to the first control valve, first and second branching fluid tubes branched from the first and second connection fluid tubes, respectively, first and second throttles disposed on the first and second branching fluid tubes, respectively, the second throttle being smaller than the first throttle.
Yuji Fukuda, Keigo Honda
Filed: 25 Feb 21
Utility
Battery connector assembly and battery device
22 Feb 22
Provided is a battery connector assembly that allows adaptation of a connector of a battery to both a connector of an electric work vehicle and a connector of a charger.
Katsuhiko Uemura, Hirokazu Ito, Yasuhiro Manji
Filed: 7 Jun 19
Utility
Working vehicle
15 Feb 22
A working vehicle includes a PTO shaft to transmit power of a propulsion shaft, a PTO clutch including a first rotor to be rotated by the power of the propulsion shaft, a second rotor to transmit the power to the PTO shaft, a press to be moved by a pressure of operation fluid between an engaging side on which the first rotor is engaged with the second rotor and a disengaging side, and a PTO brake to brake the PTO shaft when the press is positioned on the disengaging side, a control valve to control the pressure of the operation fluid to be applied to the PTO clutch, a rate setter to set a reducing rate at which the pressure of the operation fluid is reduced, and a controller to control the control valve based on the reducing rate.
Hitoshi Azuma, Tetsuo Yamaguchi, Shinji Ohara, Yoshihiko Kuroshita, Michita Kono
Filed: 5 Jun 20
Utility
Non-excitation operable electromagnetic brake
15 Feb 22
Provided is a non-excitation operable electromagnetic brake that includes a manually operable rotary cam for switching over a rotor to a brake releasing state, but that allows easy recognition of switchover to the brake released state via an operation reaction force and that also allows reliable keeping of the rotary cam under its acting state.
Kazuaki Matsuda, Hirokazu Ito
Filed: 7 Jun 19
Utility
Traveling vehicle
15 Feb 22
A traveling vehicle includes a left drive wheel and a right drive wheel which are driven independently by a left driving section and a right driving section, a manual operation unit configured to provide a left speed instruction for adjusting a rotational speed of the left drive wheel and a right speed instruction for adjusting a rotational speed of the right drive wheel and a drive control unit configured to control driving of the left driving section and the right driving section based on the left speed instruction and the right speed instruction, with using a first control method and a second control method which are provided with different control properties from each other.
Yasuhiro Manji
Filed: 13 May 20
Utility
Working vehicle
15 Feb 22
A working vehicle includes a first hydraulic clutch connected to the first traveling shaft, a second hydraulic clutch connected to the first traveling shaft separately from the first hydraulic clutch, a first gear mechanism to transmit, to a second traveling shaft, power from the first hydraulic clutch when the first hydraulic clutch is engaged and not to transmit, to the second traveling shaft, power from the first hydraulic clutch when the first hydraulic clutch is disengaged, and a second gear mechanism to transmit, to the second traveling shaft, power from the second hydraulic clutch when the second hydraulic clutch is engaged and not to transmit, to the second traveling shaft, power from the second hydraulic clutch when the second hydraulic clutch is disengaged.
Hitoshi Azuma, Tetsuo Yamaguchi, Shinji Ohara
Filed: 17 Nov 20
Utility
Work vehicle
15 Feb 22
A work vehicle includes a vehicle body, a pair of left and right driving wheels that movably support the vehicle body, a pair of motors capable of rotatably driving the left and right driving wheels respectively, a pair of maneuvering levers pivotally supported to the vehicle body to be pivotable about a horizontal axis extending in a vehicle body transverse direction and capable of adjusting rotational speeds respectively of the left and right driving wheels and a pair of dynamic vibration absorbing portions supported to respective free end portions of the maneuvering levers and capable of suppressing vibrations of the maneuvering levers.
Yuto Fujii, Justin McCallister, Hideki Aoki
Filed: 4 Jun 19
Utility
Work vehicle
1 Feb 22
A work vehicle includes a plurality of traveling devices driven for traveling, a plurality of articulated link mechanisms having a plurality of links pivotally coupled to each other to provide two or more joints and configured to independently support the traveling devices to a vehicle body with allowing lifting/lowering of the traveling devices independently relative to the vehicle body, and a plurality of hydraulic cylinders capable of changing respective postures of the plurality of links included in the articulated link mechanisms.
Junichi Ishikawa, Minoru Hiraoka
Filed: 21 Dec 18
Utility
Attaching-detaching structure of a front loader, front loader and work vehicle
1 Feb 22
A readily attaching-detaching structure of a front loader that can make the attaching and detaching work to a vehicle body easier, a front loader, and a work vehicle.
Shin Torii, Yuta Ozeki
Filed: 17 Nov 20
Utility
Working machine
1 Feb 22
A working machine includes a prime mover, a traveling pump to be driven by the prime mover to output operation fluid, a traveling motor to be driven by the operation fluid outputted from the traveling pump and to change a motor speed between a first speed and a second speed higher than the first speed, a machine body on which the prime mover, the traveling pump, and the traveling motor are arranged, a traveling switching valve to be switched between a first state allowing the traveling motor to rotate at the first speed and a second state allowing the traveling motor to rotate at the second speed, and a controller to reduce a revolving speed of the prime mover based on a traveling condition of the machine body in switching the traveling switching valve between an accelerating state to switch the traveling switching valve from the first state to the second state and a decelerating state to switch the traveling switching valve from the second state to the first state.
Yuji Fukuda, Ryosuke Kinugawa, Ryota Hamamoto, Jun Tomita
Filed: 18 Feb 20
Utility
Work vehicle
25 Jan 22
In a work vehicle including a pair of left and right link mechanisms disposed between a vehicle body and a wheel support member and configured to support the wheel support member to the vehicle body to be vertically pivotable, a suspension mechanism disposed between the vehicle body and the wheel support member and configured to elastically support the wheel support member, and an engine disposed between the pair of left and right link mechanisms, each one of the pair of left and right link mechanisms including an upper link provided between a link support portion formed in the vehicle body and the wheel support member and a lower link provided between the link support portion and the wheel support member, there are provided a radiator disposed on lateral outer side of the vehicle body relative to the link mechanisms, a cooling water circulation hose connected to the engine and the radiator and configured to circulate engine cooling water between the engine and the radiator.
Tatsuya Nagatomi, Shinya Izumi
Filed: 10 Dec 19
Utility
Floor mat and working machine
25 Jan 22
A floor mat arranged in a working machine includes a floor portion, a wall portion arranged on a circumferential portion of the floor portion, and an opening portion arranged on a part of a connecting portion of the wall portion, the connecting portion connecting to the floor portion.
Akihiro Ichihara, Kenzo Kusama, Kasumi Inagaki, Hironobu Konishi, Kazuya Oi, Tadayoshi Umemoto, Shota Sakamoto, Shohei Tanaka, Masahiro Aihara, Yuta Yamada, Yoshiki Takizawa, Takuya Sakuta, Kenichi Saiki, Tokio Sakata
Filed: 21 Dec 18
Utility
Work vehicle
25 Jan 22
A seatbelt of a work vehicle includes: a first stay provided in correspondence with a first fixing portion of a vehicle body on either one of right/left sides of a seat; a belt reeling portion that reels and stores a belt main body and is attached to the first fixing portion via the first stay; a second stay provided in correspondence with a second fixing portion on the other one of the right/left sides of the seat; and a buckle portion that fixes an insertion fixture extending from the belt reeling portion and is attached to the second fixing portion via the second stay.
Masaru Nakaji, Hiromi Takahashi
Filed: 28 May 20
Utility
Working machine
18 Jan 22
A working machine according to an embodiment of the present invention includes an operator seat, an operation base arranged in front of the operator seat, an operation member arranged on the operation base and configured to be gripped and moved, and an armrest member extending from the operation base toward a side of the operator seat.
Hiroshi Horii
Filed: 26 Jun 19
Utility
Riding mower with a cutting guide
11 Jan 22
A riding mower includes front wheels and rear wheels that support a vehicle body frame on the ground surface, a driver's seat disposed upwardly of the vehicle body frame, a mower deck disposed downwardly of the vehicle body frame and a cutting guide device configured to create an overlap mark that hints a cutting overlap line at a position forwardly of the front wheels and the mower deck and closer to the ground surface than the vehicle body frame.
Masaki Takaoka
Filed: 18 Dec 18
Utility
Lawn mower with enclosed clippings belt conveyor
11 Jan 22
A lawn mower includes a mower device provided between a pair of right and left front wheels and a pair of right and left rear wheels and configured to mow grass on a traveling land surface; a grass collecting container provided rearwardly of a vehicle body, a conveyer duct extending between the mower device and the grass collecting container as extending through between the pair of right and left rear wheels and configured to convey grass clippings discharged from the mower device to the grass collecting container; and a belt conveyer configured to convey the grass clippings discharged from the mower device toward the grass collecting container.
Katsuhiko Uemura, Hirokazu Ito
Filed: 14 May 19
Utility
Work vehicle
11 Jan 22
An objective is to appropriately position a communication module that carries out wireless communication to exchange information regarding cooperative travel with another vehicle, in order to simplify the measures that are to be taken to avoid thermal damage, and prevent antenna cables from being damaged, for example.
Keishiro Nishi, Atsushi Shinkai, Tomofumi Fukunaga, Takahiro Nakatsuka
Filed: 15 Dec 17
Utility
Working device and working machine having the same
4 Jan 22
A working device connected to a traveling vehicle having a prime mover and configured to perform an agricultural work, includes: a working portion 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; a regeneration resistor to consume a regenerative power generated in the electric motor; a switch portion to switch, between a connecting state and a shut-off state, a state established between the electric motor and the regeneration resistor; and a controller portion to control driving of the electric motor and switching of the switch portion.
Yukifumi Yamanaka, Sumio Yagyu, Go Takaki
Filed: 24 Jun 20
Utility
Hydraulic system for working machine
4 Jan 22
A hydraulic system includes a hydraulic pump, a first hydraulic actuator, a second hydraulic actuator, a first control valve to control the first hydraulic actuator, a second control valve to control the second hydraulic actuator, the second control valve being arranged on a downstream side of the first control valve, and a discharge fluid tube in which the operation fluid flows.
Yuji Fukuda, Keigo Honda
Filed: 27 Mar 19