525 patents
Page 22 of 27
Utility
Hydraulic system for working machine
3 Aug 20
A hydraulic system includes a hydraulic pump to be driven by a prime mover, a first hydraulic actuator, a second hydraulic actuator, a first connecting fluid tube connected to the first hydraulic actuator, a second coupling hydraulic tube connected to the first hydraulic actuator, and a first control valve having a first position and a second position.
Yuji Fukuda, Keigo Honda
Filed: 4 Jun 19
Utility
Sensor management device and sensor management method
3 Aug 20
A sensor management device includes first circuitry and second circuitry.
Kazuo Sakaguchi, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa, Atsushi Shinkai
Filed: 20 Jun 17
Utility
Front loader and working machine
27 Jul 20
A front loader includes a working tool and an attachment body to which the working tool is attached, including a lock pin configured to attach and fix the working tool, a lock lever configured to move the lock pin between a releasing position and an attaching position, and a latching portion having a retaining mechanism configured to retain the lock lever at the releasing position and another mechanism configured to move the lock lever to the attaching position.
Ryuichi Nadaoka, Yuta Ozeki, Masaki Abe, Koshiro Hirakawa
Filed: 19 Dec 18
Utility
Work vehicle and display device for the work vehicle
20 Jul 20
A plug-in hybrid work vehicle includes a first battery charged from an on-board electric generator, a second battery charged from an external electric power source, a charging switch, a DC-to-DC converter, a voltage determination unit, and a charging control unit.
Masaaki Nishinaka, Yukifumi Yamanaka
Filed: 8 Dec 16
Utility
Hydraulic system for working machine
13 Jul 20
A hydraulic system includes a hydraulic pump to output an operation fluid, a hydraulic apparatus to be activated by the operation fluid, an operating member to operate the hydraulic apparatus, an operation valve to determine a pressure of the operation fluid in accordance with operation of the operating member, the operation fluid being supplied to the hydraulic apparatus, a first fluid tube connecting the hydraulic pump to the operation valve, a first working valve disposed on the first fluid tube, the first working valve being configured to change an opening aperture of the first working valve, a first outputting fluid tube connected to a section of the first fluid tube between the operation valve and the first working valve, and a second working valve disposed on the first outputting fluid tube, the second working valve being configured to change an opening aperture of the second working valve.
Yuji Fukuda
Filed: 25 Dec 17
Utility
Work vehicle
13 Jul 20
A work vehicle includes an engine, an intake passage through which combustion air flows from an ambient air inlet to an engine, an air cleaner for removing dust contained in the combustion air, a throttle valve for adjusting an intake amount of the combustion air by the engine, a blowby gas returning passage for returning blowby gas discharged from the engine to a mid portion of the intake passage, and an inclined passage portion that assumes a progressively downwardly inclined posture to be located at a lower position on downstream side in a flow direction, the inclined passage portion having a water draining portion at its lowermost end.
Hiroki Bessho, Kazuyuki Tashiro
Filed: 16 May 18
Utility
Work vehicle
13 Jul 20
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: 12 Jun 18
Utility
Working machine
6 Jul 20
A working machine body includes a machine body having a front and a rear opposite to the front in a front-rear direction and an engine mounted in the machine body.
Keigo Honda, Hiroaki Nakagawa, Daisuke Sakurai, Hiroshi Fujiwara
Filed: 17 Apr 19
Utility
Front loader and work machine
6 Jul 20
A front loader includes a boom to which a bucket or a working implement other than the bucket is attached, a boom cylinder to move the boom, a first control valve to supply an operation fluid to the boom cylinder, a supporting member supporting the boom on a front portion of a vehicle body of a work machine, an attachment frame extending backward from the supporting member.
Hiroaki Iizuka, Daniel Underwood, Chad Reeves, Patrick Penland
Filed: 7 Feb 19
Utility
Hydraulic system for working machine
6 Jul 20
A hydraulic system for a working machine includes an fluid cooler including an input port and an output port, the fluid cooler being configured to cool an operation fluid, an outputting portion to output the operation fluid, a traveling hydraulic device to be activated by the operation fluid, an operating hydraulic device to be activated by the operation fluid, a first output fluid tube connecting the operating hydraulic device to a tank, a second output fluid tube branching from the first output fluid tube and being connected to the input port of the fluid cooler, a third output fluid tube connecting the outputting portion to the output port of the fluid cooler, a fourth output fluid tube connected to the traveling hydraulic device, the fourth output fluid tube being connected to the second output fluid tube, and a first check valve disposed on the fourth output fluid tube.
Yuji Fukuda, Keigo Honda, Hiroaki Nakagawa, Daisuke Sakurai, Toshiya Tani, Taisuke Shinohara, Yoshihiro Ebata
Filed: 10 Dec 17
Utility
Breather device for engine
6 Jul 20
A breather device for an engine which prevents a blow-by gas outlet passage from being blocked due to freezing, is provided, which includes a valve holder in a cylinder head cover and a breather valve supported by the holder.
Gen Nakamura, Koji Okada, Tamotsu Kuno, Akihiko Kai
Filed: 23 May 18
Utility
Work vehicle axle device
6 Jul 20
Work vehicle axle device includes a wheel drive case utilizing a centrally disposed vertically extending first coupling portion, a centrally disposed vertically extending second coupling portion spaced from the first coupling portion and an input shaft located below an upper end of either the first or second coupling portions and being configured to transmit rotational power to wheels.
Tomeo Umemoto
Filed: 11 Jun 17
Utility
Blow-by gas heating apparatus
6 Jul 20
As a further improvement of the technique of minimizing or preventing excessive cooling of an oil separator, an effective blow-by gas heating apparatus which minimizes or solves the problems due to frozen blow-by gas in an engine externally equipped with an oil separator is provided.
Mitsuhiro Akita, Kohei Sawada
Filed: 30 Aug 17
Utility
Riding-type mower
29 Jun 20
In a riding-type mower, a vehicle body includes a rear portion in which a pair of right/left vehicle body frames extend in a front-rear direction relative to the vehicle body, with a gap therebetween in a lateral width direction.
Kazuaki Nogami, Yoshikazu Togoshi, Takahiro Shiraga, Eiji Sato, Seiya Yoshida
Filed: 10 Dec 17
Utility
Utility vehicle
29 Jun 20
A utility vehicle includes a rear frame, a front frame and a coupling body.
John White
Filed: 25 Nov 18
Utility
Grass container swing mechanism
22 Jun 20
A grass mower includes a mower unit (8) provided on the traveling machine body (10), a grass container (4) provided on a rear portion of the traveling machine body (10) for storing cut grass from the mower unit (8), a rod lever unit (6) capable of undergoing displacement between a first operation position and a second operation position, and a swing mechanism (5) for swinging the grass container (4) between a cut grass storage position and a cut grass discharge position by utilizing operational displacement of the rod lever unit (6).
Hiroyuki Tada, Hironobu Nishihara, Taylor Clark, Fahmid Sharkar, Benjamin A. Morris
Filed: 19 Oct 17
Utility
Controller for baler and grass management system
22 Jun 20
A controller for a baler, includes an ejecting position acquisition circuit, a prohibited position acquisition circuit, and a control circuit.
Ryo Kurata, Susumu Umemoto, Yoshitomo Fujimoto, Shinnosuke Ishikawa
Filed: 24 May 18
Utility
Grass management system and grass management method
22 Jun 20
A grass management system includes a prohibition determination circuit and a baler.
Ryo Kurata, Susumu Umemoto, Yoshitomo Fujimoto, Shinnosuke Ishikawa
Filed: 24 May 18
Utility
Agricultural work management system and agricultural crop harvester
15 Jun 20
An agricultural work management system includes: a data input unit (41) configured to receive, from an agricultural crop harvester (1), harvesting position data indicating a harvesting work position as agricultural land information, harvest amount data indicating a harvest amount of the agricultural crop harvested in the agricultural land, and quality data indicating the quality thereof as agricultural crop information; a database server (6) configured to store the agricultural land information and the agricultural crop information such that they can be associated with each other; an agricultural work evaluation unit (51) configured to perform agricultural work evaluation on the agricultural land based on the agricultural land information and the agricultural crop information; and a data output unit (42) configured to send out the agricultural work evaluation data generated by the agricultural work evaluation unit.
Mitsuhiro Seki, Kazuhiro Takahara
Filed: 4 Aug 19
Utility
Mower unit
1 Jun 20
Disclosed is a mower unit including, on a mower deck that rotatably supports a blade, a deck-side electric component configured to drive the blade, and a joint section for effecting connection and disconnection of a harness that electrically connects the deck-side electric component to a vehicle body-side electric component.
Yasuhiro Manji, Hirokazu Ito
Filed: 31 Oct 17