1251 patents
Page 41 of 63
Utility
Mower
13 May 21
There are included front and back slope portions attachable to and detachable from storage positions and use positions, front and back holding portions capable of engaging with engagement portions of the front and back slope portions as attached to the storage positions and holding the front and back slope portions at the storage positions, and a disengaging operation tool capable of being manually operated to a disengaging position at which the front holding portion and the back holding portion are releasable from the engagement portions of the front and back slope portions and at which the slope portions are detachable from the storage positions.
Terumasa Kobayashi, Nobuyuki Yamashita, Ryotaro Nakatsu
Filed: 10 Jun 20
Utility
Working machine
11 May 21
A working machine includes a branched tube connected to a branched portion branching from an operation fluid tube, a plurality of input tubes connected to the second actuator valves, a plurality of output tubes connected to a pressure receiver portion of the second hydraulic device, a main tube connected to the third actuator valve, and a relay device, and the relay device includes a plurality of input ports connected to the plurality of input tubes, a plurality of output ports connected to the plurality of output tubes, a plurality of first flow lines connecting between the plurality of input ports and the plurality of input ports, a main port connected to the main tube, a branched port connected to the branched tube, and a second flow line arranged between the plurality of first fluid lines to connect between the main port and the branched port.
Yuji Fukuda, Keigo Honda, Takahiro Usami
Filed: 4 Dec 19
Utility
Traveling Vehicle
6 May 21
A traveling vehicle includes a pair of left and right drive wheels, a drive unit for providing driving force to the drive wheels, a drive wheel operation unit having a forward speed position, a neutral position, a reverse speed position and a parking position, a position detector for detecting the parking position of the drive wheel operation unit, a parking brake configured to brake the drive wheels under an operative state thereof, a rotation detector for detecting a predetermined state from a stopped state to a predetermined rotational speed of the drive wheels and a control unit configured to render the parking brake into the operative state on a condition including detection of the parking position by the position detector and detection of the predetermined state by the rotation detector.
Yasuhiro Manji
Filed: 13 May 20
Utility
Traveling Vehicle
6 May 21
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
Work vehicle having engine drive checking circuit
4 May 21
A work vehicle includes an engine controller for driving an engine, a power supply line, a power supply control line, and a display signal line.
David Spitz
Filed: 18 Sep 18
Design
Backhoe loader
4 May 21
Ryo Masuda, Suguru Shiiguchi
Filed: 5 Jun 19
Utility
Work vehicle
4 May 21
A work vehicle includes a stepless speed changer device having a drive pulley receiving input of power of an engine, a driven pulley, and an endless rotary body wound around and entrained between the the drive pulley and the driven pulley and an accommodating body having an accommodation space for accommodating the drive pulley, the driven pulley and the endless rotary body.
Hiroki Bessho, Noriyasu Honjo, Jun Yoshida, Hiroshi Takagi
Filed: 6 Feb 18
Utility
Agricultural Machine
29 Apr 21
An agricultural machine includes a vehicle body including a front wheel and a rear wheel, a hood at a front portion of the vehicle body, a protector provided to the vehicle body to protect an operator seat, and an obstacle detector to detect an obstacle, the obstacle detector being located in front of the protector outwardly in a width direction of the hood.
Takuya NISHIKUBO, Hiroshi MIYAKE
Filed: 5 Jan 21
Utility
Work Vehicle
29 Apr 21
The disclosure provides a work vehicle in which clogging of a filter of an air cleaner with snow can be suppressed.
Ryosuke TANAKA, Satoru YAMANAKA
Filed: 21 Sep 20
Utility
Working Vehicle
29 Apr 21
A working vehicle includes a steering handle, a vehicle body to travel with either manual steering by the steering handle or automatic steering of the steering handle based on a traveling reference line, an operator provided to the vehicle body, and a controller to terminate the automatic steering when the operator is operated under the automatic steering.
Shunsuke MIYASHITA, Yasuaki MORIOKA, Kunihiko NISHINO, Kumiko KOBAYASHI, Misako KAWAI
Filed: 5 Jan 21
Utility
Working Machine
29 Apr 21
A working machine includes a switching valve to switch between a first state and a second state, the first state allowing a revolving speed of a traveling motor to be a first speed, the second state allowing the revolving speed of the traveling motor to be a second speed, and a controller device to reduce the revolving speed of the prime mover in either acceleration to switch from the first state to the second state or deceleration to switch from the second state to the first state.
Yuji FUKUDA, Ryota HAMAMOTO, Jun TOMITA
Filed: 22 Oct 20
Utility
Working Machine
29 Apr 21
A working machine includes a hydraulic device, an operation valve to supply operation fluid to operate the hydraulic device and to vary the operation fluid to be supplied to the hydraulic device, an operation device having an operation member supported swingably, the operation device being configured to output an operation signal in accordance with an operation amount of the operation member, and a controller including a swing calculator to calculate an evaluation value representing a degree of swinging of the operation member, and a control signal generator to generate a control signal based on the evaluation value and the operation signal.
Masahiro TOYAMA, Ryuki NISHIMOTO, Yuji FUKUDA, Kohei NAGAO, Ryota HAMAMOTO, Hiroaki NAKAGAWA
Filed: 21 Oct 20
Utility
Hydraulic System for Working Machine
29 Apr 21
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
Working Machine
29 Apr 21
A working machine includes a machine body, a prime mover, a traveling device mounted on the machine body, a traveling motor to provide a power to the traveling device and to switch between a first speed and a second speed higher than the first speed, a traveling pump to be driven by the prime mover and to supply operation fluid to the traveling motor, and a controller device including an automatic shifter to automatically shift the traveling motor to the first speed or to the second speed, a timer to count an elapsed time from the automatically shifting, and a shift prohibitor to prohibit the automatically shifting by the automatic shifter when the elapsed time counted by the timer is less than a threshold.
Yuji FUKUDA, Ryota HAMAMOTO, Jun TOMITA
Filed: 21 Oct 20
Utility
Agricultural Machine
29 Apr 21
An agricultural machine includes a vehicle body including a front wheel and a rear wheel, an obstacle detector to detect an obstacle, and a position changer to change a position of the obstacle detector.
Takuya NISHIKUBO
Filed: 5 Jan 21
Utility
Travel route generation device and travel route generation method
27 Apr 21
A travel route generation device includes circuitry configured to calculate positions of a starting point, an end point, and intermediate points from a start vehicle position, an end vehicle position, and intermediate vehicle positions, respectively, based on a distance from a contour point to a reference point.
Yasuhisa Uoya, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa, Atsushi Shinkai, Kazuo Sakaguchi
Filed: 26 Apr 19
Design
Wheel for vehicle
27 Apr 21
Tomonori Kaneko, Wataru Sasaki
Filed: 20 Aug 19
Utility
Fender support structure and work vehicle including same
27 Apr 21
A fender support structure includes a base member that rotates in accordance with a steering of a front wheel, a cover member that is relatively rotatable with respect to the base member and that supports a front wheel fender covering the front wheel, a holding mechanism that is accommodated in the base member and the cover member and that generates a holding force to hold a relative rotational position of the cover member relative to the base member at a predetermined initial position, and a regulating mechanism that regulates a rotation of the cover member in accordance with a steering of the front wheel against the holding force when a steering angle of the front wheel becomes a predetermined value or more in a left direction and a right direction.
Akihiro Asada, Hiroki Isaka, Taichi Muramatsu, Keisuke Shiiba
Filed: 26 Apr 18
Utility
Working Vehicle
22 Apr 21
A working vehicle includes a steering device including a steering handle, a vehicle body to travel with either manual steering by the steering handle or automatic steering of the steering handle based on a traveling reference traveling line, and a controller to permit automatic steering based on steering angles of the steering device obtained when the vehicle body travels a predetermined distance while being steered by the manual steering.
Shunsuke MIYASHITA, Toru TAMBO, Kenichi IWAMI, Hiroki SUGA, Yasuaki MORIOKA, Kunihiko NISHINO, Kumiko KOBAYASHI, Misako KAWAI
Filed: 24 Dec 20
Utility
Working Machine
22 Apr 21
A working machine includes a support bracket attached to a machine body, a first mounting member provided to the support bracket and formed of an elastic member, a first cooler and a second cooler arranged in parallel to a horizontal direction and mounted on the support bracket with the first mounting member, a fitting bracket detachably fitted to upper portions of the first and second coolers, and a second mounting member arranged between the fitting bracket and the first and second coolers and formed of elastic member.
Tatsuro YAMAMOTO, Yoshiyuki ENOMOTO, Akira KOMUKAI, Daisuke YOSHIDA, Masahiro YAMAMOTO, Toyoharu HASHIMA
Filed: 16 Dec 20