525 patents
Page 18 of 27
Utility
Grass mower having rotatable blade
30 Mar 21
A mower unit provided in a grass mower unit includes a mower deck having a top plate and a side plate extending downwards from the top plate, a rotational shaft extending through the top plate and rotatably supported to the top plate, and a blade attached to the rotational shaft inside the mower deck.
Masato Asahara, Phillip Sutton, Jr., Kazuhiro Ochi, Shoichiro Nagaishi, Akira Minoura, Yuto Fujii
Filed: 27 Dec 18
Utility
Grass management system
23 Mar 21
A grass management system includes a first moisture-obtaining device to obtain a first moisture value of grass in a mowing operation performed by a mower, a position-detecting device to detect a mowing position of the mower, and a creation supporting circuit to support creation of an operation plan for a working machine based on the first moisture value and the mowing position, the working machine being configured to perform an operation relating to the grass already mowed.
Hiroyuki Araki, Yasuhisa Uoya, Yoshito Hayakawa, Yuto Kamiya, Ryuji Hashizume
Filed: 20 Apr 18
Utility
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16 Mar 21
A combine including a grain tank that retains grain conveyed from a threshing device; a discharge auger; a temporary retention unit within the grain tank that temporarily retains part of the grain and has a discharge port; a quality measurement unit that detects quality of the grain retained in the temporary retention unit; a shutter transitionable between a position where the discharge port is open and a position where the discharge port is closed; a control unit that opens the shutter when the measurement by the quality measurement unit is completed and closes the shutter when all of the grain in the temporary retention unit is discharged; a volume measurement unit that detects the retention volume of the grain retained in the grain tank; and a determination unit that determines whether the retention volume exceeds a predetermined value, and if so, the control unit stops the opening/closing control.
Hirotsugu Inoue, Kazuhiro Takahara, Hiroshi Ikeda, Kazunori Matsufuji, Katsuhide Kato
Filed: 1 Nov 18
Utility
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16 Mar 21
A combine harvester includes: a grain conveyance mechanism for conveying grains from a threshing apparatus to a grain tank; a grain discharge apparatus provided in an end area of the grain conveyance mechanism, the grain discharge apparatus having a discharge case provided with a grain discharge opening, and a discharge rotor rotatably arranged in the discharge case; a pressed portion that is subjected to a pressing force applied by grains immediately before the grains are discharged by the discharge rotor; a load detector for detecting the pressing force exerted on the pressed portion; and a yield evaluator for evaluating the amount of conveyed grain based on a detection signal from the load detector.
Mao Ueda, Kazuhiro Takahara, Yoshimasa Ando
Filed: 20 Dec 16
Utility
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16 Mar 21
A work vehicle includes a vehicle body frame supported on a ground surface via a wheel unit and a pair of left and right fenders that can be reversed from a normal posture to a reversed posture via a reversal mechanism, an inside area covered by the fender under its normal posture becoming exposed in the reversed posture of the fender.
Masato Asahara, Brandon Mullins
Filed: 8 May 19
Utility
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16 Mar 21
The present invention provides a composite roll for rolling including an outer layer having excellent wear resistance, surface roughening resistance, crack resistance, and accident resistance due to segregation of MC carbides being suppressed to adjust the amount of graphite to be crystallized.
Hiroyuki Kimura, Yutaka Tsujimoto, Shuhei Yamamoto
Filed: 26 Dec 17
Utility
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16 Mar 21
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, a return fluid tube in which a return fluid discharged from the first hydraulic actuator flows, the return fluid tube connecting the first control valve and the first hydraulic actuator, a first inner fluid tube provided in the first control valve and connected to the return fluid tube, an outer fluid tube connected to the first inner fluid tube, the outer fluid tube connecting the first control valve and the second control valve, a return-discharge fluid tube to discharge the return fluid, the discharge fluid tube being branched from the outer fluid tube, and a throttle provided in the return-discharge fluid tube.
Yuji Fukuda
Filed: 21 Jun 19
Utility
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9 Mar 21
A controller for a work machine includes a steering control circuit, a memory, and a speed control circuit.
Yushi Matsuzaki, Atsushi Shinkai, Kazunobu Sugano, Kotaro Yamaguchi, Takafumi Morishita, Kenji Tamatani, Hiroki Suga
Filed: 22 May 18
Utility
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9 Mar 21
A cylinder head cover that prevents the gas outlet for the blow-by gas from being cooled by structural improvements so that the gas outlet does not freeze or become clogged in a cold condition.
Kentaro Nagai, Takahiro Yamazaki, Reo Yoshida, Tomoya Akitomo, Shoichi Okimi
Filed: 14 Nov 19
Utility
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9 Mar 21
An engine cover capable of appropriately covering the upper side of an engine is provided.
Seigi Aratake, Kozo Kitagawa, Takahiro Miyasaka, Koji Kashiwase
Filed: 7 Jun 19
Utility
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9 Mar 21
A hydraulic system includes an output fluid tube connected to a hydraulic pump to output operation fluid, and an unload valve to be switched to output operation fluid or to stop outputting operation fluid, the unload valve being connected to the output fluid tube.
Yuji Fukuda
Filed: 21 Jun 19
Utility
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2 Mar 21
An electric work vehicle of the present invention includes a left drive wheel and a right drive wheel that are supported to a vehicle body, a left motor that drives the left drive wheel and a right motor that drives the right drive wheel, a traveling motor control unit that controls the left motor and the right motor independently based on steering signals from a steering unit, and a turn response enhancement unit.
Yasuhiro Manji, Hirokazu Ito
Filed: 11 Jun 18
Utility
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2 Mar 21
A work vehicle including: a vehicle body frame; a prime mover part located on a front or rear part of the vehicle body frame; a bonnet configured to open and close by swinging, and covering the prime mover part; and an assist unit configured to assist the bonnet to operate to open.
Takeshi Komorida, Koichiro Matsumoto, Masaki Takaoka, Arisa Kimura, Tasuku Teraoka, Azusa Furihata, Tomohisa Yamamoto, Toshiki Kanai, Nobuyuki Yamashita, Masayuki Akita, Takashi Kumashiro, Ryo Matsumoto, Hiroki Nagai, Tatsuki Kago, Akihito Mihara
Filed: 29 May 19
Utility
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2 Mar 21
A working machine includes a prime mover, a hydraulic pump to be driven by power of the prime mover to output operation fluid, a hydraulic actuator to be actuated by the operation fluid outputted from the hydraulic pump, a first setting member to accept selection of a set revolving speed of the prime mover, a second setting member to accept selection of a set speed of the hydraulic actuator, a revolving speed controller portion to control operation of the prime mover based on the set revolving speed, and a speed controller portion to control operation of the hydraulic actuator based on the set speed.
Hiroshi Horii
Filed: 11 Dec 19
Utility
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2 Mar 21
A work vehicle transmission includes a first transmission mechanism that changes input motive power to any one of multiple speeds, and a second transmission mechanism that changes the motive power changed by the first transmission mechanism to any one of multiple speeds, the number of speeds of the second transmission mechanism being smaller than that of the first transmission mechanism.
Hidetoshi Hana, Tomonari Tsuchida, Noriaki Takewa, Satoshi Yoshikawa, Kazuya Maeda
Filed: 6 Jun 18
Utility
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2 Mar 21
A communication system for a working machine includes a communication device disposed on the working machine, and a mobile terminal to be connected to the communication device, the mobile terminal having a first application and a second application.
Ryosuke Kinugawa, Keisuke Egashira, Keisuke Miura
Filed: 19 Dec 18
Utility
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23 Feb 21
A work vehicle for managing lawn while traveling includes a positioning module for outputting positioning data, a self-vehicle position calculation section for calculating a self-vehicle position based on the positioning data, an activity determination device for determining activity of the lawn, and a lawn condition information generation section configured to generate lawn condition information by correlating the activity with the self-vehicle position as a determination point of the activity.
Kazuaki Matsuda, Katsuhiko Uemura
Filed: 7 Jun 18
Utility
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16 Feb 21
A utility vehicle includes a cargo box and a seat device located on the front side of the cargo box.
Scott Keziah, Aubrey Jarvis, David Spitz
Filed: 28 May 19
Utility
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16 Feb 21
There is provided a vertical multicylinder straight engine in which the temperature distribution of a plurality of cylinder barrels is made close to an even state.
Takayuki Ichikawa, Mutsuhisa Ishihara, Shinya Asada, Yasushi Kobayashi
Filed: 7 May 18
Utility
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16 Feb 21
A hydraulic device includes a braking device to brake a traveling device and release braking of the traveling device, a traveling pump to drive the traveling device with pressure of operation fluid, a brake-operation valve to control operation fluid flowing to the brake device, a traveling operation valve to control operation fluid flowing to the traveling pump, a first discharge fluid tube to discharge operation fluid flowing through the brake-operation valve, the first discharge fluid tube being connected to the brake operation valve, and a second discharge fluid tube to discharge operation fluid flowing through the traveling operation valve, the second discharge fluid tube being connected to the traveling operation valve.
Yuji Fukuda, Daiki Abe, Jun Tomita, Yuya Konishi, Fumitaka Fujisawa, Yudai Koga
Filed: 24 Jun 19