1251 patents
Page 33 of 63
Utility
Work vehicle having a movable lower shield of a windshield
21 Dec 21
In a work vehicle, a windshield provided at a front portion of a vehicle body includes an upper shield disposed upwardly of a hood and a lower shield that can be disposed at a position closing a gap formed between a lower end of the upper shield and an upper face of the hood.
Masaru Nakaji
Filed: 13 May 20
Utility
Head cover for engine
21 Dec 21
The head cover for an engine includes a gas passage in the head cover, a gas outlet formed on a head cover wall at a terminal end portion of the gas passage in the head cover, a gas intermediate outlet portion formed in the head cover wall so as to face space inside the head cover except the gas passage in the head cover, and a gas intermediate inlet portion formed in the head cover wall so as to face the gas passage in the head cover, in which an opening specification in which through holes penetrating the head cover wall are formed and a closing specification in which the through holes are not formed can be selected for the gas intermediate outlet portion and the gas intermediate inlet portion.
Satoshi Sugimoto, Takayuki Ichikawa, Shota Hatada
Filed: 12 Nov 20
Utility
Work Vehicle
16 Dec 21
A tractor includes a protective frame including a lower frame and an upper frame rotatably coupled with an upper portion of the lower frame, and an assist mechanism to assists a rotation of the upper frame.
Masanori AZUMA, Terumasa KOBAYASHI, Hiroki NAGAI, Tomohisa YAMAMOTO
Filed: 6 Jun 19
Utility
Electronic Fuel Injection Type Diesel Engine
16 Dec 21
An electronic fuel injection type diesel engine enables reduction in engine size.
Hideyuki KOYAMA, Mitsugu OKUDA, Yuji SHINOHARA, Mitsuru KAMIYAMA, Hiroki OSO
Filed: 9 Sep 19
Utility
Harvesting machine and travel mode switching method
14 Dec 21
The present disclosure includes a travel operation unit that is configured to be manually operated and includes a mode operation tool for switching between automatic driving and manual driving, a manual travel control unit that includes a manual travel mode in which manual driving is performed based an operation signal received from the travel operation unit, and an automatic travel control unit that includes an automatic travel mode in which automatic driving is performed, a temporary stop mode in which a vehicle body is temporarily stopped during automatic driving for transitioning from the automatic travel mode to the manual travel mode, and a check mode in which whether a state of the travel operation unit satisfies a manual driving transition condition required for starting manual driving is checked in transition from the temporary stop mode to the manual travel mode.
Kazuo Sakaguchi, Tomohiko Sano, Osamu Yoshida, Takashi Nakabayashi, Sotaro Hayashi, Masayuki Horiuchi, Mitsuhiro Seki, Kyosuke Yamaoka, Satoshi Maruo
Filed: 16 Nov 18
Utility
Hydraulic system for working machine
14 Dec 21
A hydraulic system for a working machine includes a hydraulic pump to output operation fluid, a hydraulic actuator to be activated with the operation fluid, a first control valve to which the operation fluid outputted by the hydraulic pump is supplied, the first control valve being configured to control the hydraulic actuator, a second control valve to control the hydraulic actuator separately from the first control valve, a first fluid tube connecting the hydraulic pump and the first control valve, a second fluid tube branching from the first fluid tube and connecting to an input port of the second control valve, a third fluid tube connecting the first control valve and the hydraulic actuator, and a fourth fluid tube connecting to an output port of the second control valve and connecting to the third fluid tube.
Yuji Fukuda, Hiroaki Nakagawa
Filed: 24 Sep 20
Utility
Management system and management method
14 Dec 21
A management system for a work vehicle configured to carry out a utility work while traveling autonomously includes a work field information acquisition section for acquiring work field information indicative of information relating to a work field where the work is to be carried out, a route information acquisition section for acquiring route information indicative of a traveling route along which the vehicle has traveled, a consumed electric power information acquisition section for acquiring electric power information indicative of consumed electric power, a tilt angle information acquisition section for acquiring tilt angle information indicative of a tilt angle of the work field relative to the horizontal plane, and a calculation section for calculating a cost required for the work, based on the work field information, the route information, the electric power information and the tilt angle information.
Kensuke Uemoto, Katsuhiko Uemura, Nobuyuki Yoshii, Hideya Umemoto, Hitoshi Aoyama
Filed: 9 Oct 18
Design
Tractor
7 Dec 21
Ryo Masuda, Wataru Sasaki, Hiroyuki Sakai, Yoshitaka Higashikawa, Taiki Furuki, Tomonori Kaneko, Yutaka Araki
Filed: 17 Jun 20
Utility
Structure for detachable front loader, detachable front loader, and work vehicle
7 Dec 21
A structure of a detachable front loader includes: a main frame; a boom; and a subframe unit that supports the boom.
Shin Torii
Filed: 2 Apr 20
Utility
Work vehicle
7 Dec 21
A work vehicle configured to carry out a utility work while traveling autonomously includes an implement unit mounted on a vehicle body for carrying out the work, a work subject information acquisition section for accruing work subject information indicative of information on a work subject, a load calculation section for calculating a load of the work based on the work subject information, a storage section for storing driving conditions of the implement unit in advance, and a driving section configured to retrieve a driving condition stored in the storage section according to the load calculated by the load calculation section and to drive the implement unit based on the retrieved driving condition.
Kensuke Uemoto, Takeshi Komorida, Nobuyuki Yoshii, Katsuhiko Uemura, Shinichi Yamada
Filed: 9 Oct 18
Utility
Combine Harvester
2 Dec 21
A combine harvester includes a threshing device 4 configured to perform a threshing process of threshing reaped grain culm in a threshing chamber 23, in which the threshing chamber 23 includes a threshing cylinder 31 configured to rotate around a front-rear axis X, and an arc-shaped receiving net 32 provided extending along an outer circumferential portion of the threshing cylinder 31, and a top plate 30 covering an upper portion of the threshing chamber 23 is supported detachably along the rotation axis direction of the threshing cylinder 31.
Takafumi Mitsui, Yusaku Yoshida, Yosuke Sakiyama, Fumisato Nakagawa, Yoshiaki Inoue, Norifumi Takamatsu, Kosaku Noguchi, Ryohei Higashitaki, Toshinari Nishimura
Filed: 30 Jul 19
Design
Tractor
30 Nov 21
Gen Futagami, Taiki Furuki, Wataru Sasaki, Tomonori Kaneko
Filed: 12 Nov 19
Utility
Method for producing plant body
30 Nov 21
An aspect of the present invention provides a method of forming a plant body having a desired three dimensional shape.
Mitsuru Honda
Filed: 2 Aug 18
Utility
Operation mechanism of work vehicle and work vehicle
30 Nov 21
Provided is an operation mechanism of a work vehicle capable of suppressing transmission of vibration from a vehicle body to a cabin.
Daisuke Miyazaki, Koji Masumoto, Kenzo Ushiro, Hideaki Ezaki
Filed: 27 Mar 20
Utility
Work vehicle
30 Nov 21
A work vehicle includes a wheel supporting member 11 that is supported by a vehicle body frame 1 that includes left and right side members 80; left and right steerable wheels that are supported by the wheel supporting member 11 so as to be steerable; and a steering mechanism 25 that includes a power steering unit 24 and steers the left and right steerable wheels.
Keishiro Nishi, Atsushi Shinkai, Tomofumi Fukunaga, Takahiro Nakatsuka
Filed: 26 Dec 17
Utility
Working machine
30 Nov 21
A working machine includes a prime mover, a hydraulic pump to be driven by power of the prime mover and to output operation fluid, a hydraulic actuator to be operated by the operation fluid, and a control device.
Makoto Ono, Kenjiro Honda, Atsushi Matsumoto, Hiromichi Yoshida
Filed: 25 Oct 19
Utility
Work Vehicle
25 Nov 21
A work vehicle includes an automatic steering switching tool to start or end automatic steering of a vehicle body and a setting operation tool to select a setting for the automatic steering of the vehicle body.
Shinji MISAKI
Filed: 17 Dec 19
Utility
Working Machine
25 Nov 21
A working machine includes a machine body, a traveling device provided on the machine body, a traveling motor configured to provide power to the traveling device and to be switched between a first speed and a second speed, a traveling operation member to be operated by an operator, an operation detector to detect an operation extent of the traveling operation member, a traveling pump driven in response to the operation extent to supply operation fluid to the traveling motor, a revolution detector to detect a motor revolving speed, and a controller configured to switch the traveling motor from the second speed to the first speed when the motor revolving speed is equal to or less than a deceleration threshold, and then to switch the traveling motor from the first speed to the second speed when the motor revolving speed is equal to or greater than a return threshold.
Yuji FUKUDA
Filed: 3 Aug 21
Utility
Work Vehicle
25 Nov 21
A work vehicle includes a rollover protection structure (ROPS) around a driver's seat and a receiver supported at an upper portion of the ROPS to receive positional information from a satellite.
Shinji MISAKI
Filed: 17 Dec 19
Utility
Work Vehicle
25 Nov 21
A work vehicle includes a hydrostatic stepless speed changer device configured to speed-change driving power of an engine steplessly, a plurality of planetary gear speed changer devices configured to speed-change the driving power speed-changed by the stepless speed changer device, a plurality of clutch mechanisms corresponding to the plurality of planetary gear speed changer devices in order to take off the driving powers from these plurality of planetary gear speed changer devices individually, and a traveling speed changer device for speed-changing and transmitting the driving powers transmitted from the plurality of clutch mechanisms to a traveling mechanism.
Yuji HIRASE, Ryoma IWASE, Tsuyoshi GONO, Takuya NISHIKUBO, Susumu TAKEOKA, Tsubasa KAWAZOE, Atsushi JINNAI
Filed: 6 Dec 19