1251 patents
Page 47 of 63
Design
Wheel loader
7 Dec 20
Teruhiko Iwamoto, Taiki Furuki, Toshihiro Nakao, Tetsuji Matsushita
Filed: 7 Feb 19
Utility
Cabin-protection structure and tractor
7 Dec 20
The present disclosure achieves a cabin-protection structure and a tractor, each of which has improved usability.
David Ficheux, Thibault Dussaussois, Philippe Dedavrichewy, Mitsuhiko Obe
Filed: 23 Jan 19
Utility
Slip Determination System, Travel Path Generation System, and Field Work Vehicle
2 Dec 20
A slip determination system is provided that is capable of providing appropriate control information to a traveling vehicle when the traveling vehicle has proceeded to an area where a slip is likely to occur during automatic travel.
Kazuo Sakaguchi, Tomohiko Sano, Osamu Yoshida, Tetsuya Nakajima, Takashi Nakabayashi, Satoshi Maruo, Kazuhiro Takahara
Filed: 9 Dec 18
Utility
Automatic Travel Work Machine, Automatic Travel Grass Mower, Grass Mower, and Grass Mower Automatic Travel System
2 Dec 20
The present invention provides an autonomous traveling work machine that can accurately receive positioning signals from navigation satellites and autonomously travel without deviating from a traveling path, even in the case of an inclined slope.
Hiroshi Koto, Yasushi Watabe, Taro Nakamura, Junichiro Takiguchi, Yusuke Minakata, Takanori Kobayashi, Masahiro Kawabata
Filed: 18 Dec 18
Utility
Front loader and work machine
30 Nov 20
A front loader includes a boom, a main frame attached to a vehicle body, and a sub frame supporting the boom.
Robert Stewart Boyd, Erik Baker
Filed: 13 Mar 19
Utility
Hydraulic system for working machine
30 Nov 20
A hydraulic system for a working machine 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, and a discharge fluid tube in which the operation fluid flows.
Yuji Fukuda, Keigo Honda
Filed: 26 Mar 19
Utility
Electric travelling vehicle and grass mower
30 Nov 20
An electric travelling vehicle including: a motor controller configured to control an electric motor based on displacement of a steering operation part to a forward travel position, a neutral position, and a rearward travel position, a brake controller configured to bring an electromagnetic power-off brake into a released state or a braking state; and a travel state detector configured to detect a travelling state that is accompanied with the released state, a stopped state that is accompanied with the braking state, and a transit stopped state that is accompanied with the braking state.
Kazuaki Matsuda, Hirokazu Ito, Yasuhiro Manji
Filed: 30 May 18
Utility
Cutter Blade of Mower
25 Nov 20
A cutter blade for a mower is disposed inside a housing of the mower and rotatably driven about a vertical axis.
Hirokazu Ito, Motosumi Shiotsuki
Filed: 21 Nov 19
Utility
Mower Unit
25 Nov 20
The mower unit includes a mower deck having a top wall and side walls extending downwards from an outer circumferential edge of the top wall, a rotational shaft extending upwards through the top wall from an inside space formed by the top wall and the side walls, a cutter blade attached to a lower portion of the rotational shaft within the inside space and rotatable together with the rotational shaft, an electric mower motor having an output shaft that can rotatably drive the rotational shaft, and a flywheel rotatable in association with the rotational driving of the mower motor.
Hirokazu Ito, Kazuaki Matsuda
Filed: 29 Oct 19
Utility
Harvester
25 Nov 20
A harvester capable of autonomous travel in a field includes: a harvesting unit that harvests a crop from the field; a conveyance device that conveys, toward the rear of a harvester body, a whole culm of the harvested crop harvested by the harvesting unit; a detection sensor that detects a drive speed of the conveyance device; and a clog determining unit that determines a clog of the harvested crop in the conveyance device on the basis of the drive speed.
Takashi Nakabayashi, Sotaro Hayashi, Masayuki Horiuchi, Mitsuhiro Seki, Kyosuke Yamaoka, Toshiki Watanabe, Takanori Hori
Filed: 15 Nov 18
Utility
Vehicle Suspension System
18 Nov 20
A vehicle suspension system includes suspension arms mounted to a vehicle body frame to be pivotable between a low rolling posture and a high rolling posture and an anti-roll bar unit.
Eric CHANG, John WHITE
Filed: 16 May 19
Utility
Harvesting Machine and Travel Mode Switching Method
18 Nov 20
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: 15 Nov 18
Utility
Hydraulic System for Working Machine
18 Nov 20
A hydraulic system for a working machine includes a hydraulic actuator having a first fluid chamber and a second fluid chamber, an accumulator, an outputting fluid tube to output an operation fluid, and a switching valve to be switched between a first position and a second position.
Yuji FUKUDA, Keigo HONDA, Ryosuke KINUGAWA, Ryuki NISHIMOTO, Yuji YAMASHITA, Daisuke SAKURAI
Filed: 6 Aug 20
Utility
Automatic Steering System and Automatic Steering Method
18 Nov 20
An automatic steering system for a work vehicle includes: a steering travel apparatus for performing leftward turning based on a leftward steering amount with respect to a straight-forward direction and performing rightward turning based on a rightward steering amount with respect to a neutral position; a subject vehicle location calculator for calculating a location of a subject vehicle; a locational shifting calculator for calculating locational shifting from the travel route and the location of the subject vehicle; a vehicle body direction calculator for calculating a vehicle body direction that indicates a direction of a vehicle body; a directional shifting calculator for calculating directional shifting from the travel route and the vehicle body direction; a steering amount calculator for calculating a first steering amount, which is a steering amount for correcting the locational shifting and the directional shifting, based on the locational shifting and the directional shifting; and a steering amount limiter for limiting the first steering amount based on a second steering amount, which is the steering amount at present.
Kazuo Sakaguchi, Tomohiko Sano, Osamu Yoshida, Satoshi Maruo, Takashi Nakabayashi, Tetsuya Nakajima
Filed: 15 Nov 18
Utility
Grass Mowing Machine
18 Nov 20
A grass mowing machine includes a vehicle body frame, a mower deck incorporating a rotary cutter blade, a coupling mechanism for coupling the mower deck to the vehicle body frame with allowing a lateral displacement of the mower deck in a vehicle body transverse direction, a mower electric motor attached to the mower deck and configured to feed rotary power to the rotary cutter blade and a displacement operation mechanism MV for laterally displacing the mower deck in the vehicle body transverse direction in operative association with the coupling mechanism.
Masahiro Yamada, Fumiya Yasue
Filed: 12 May 20
Utility
Battery Pack for Electric Work Vehicle
18 Nov 20
A battery pack for an electric work vehicle includes: a box-shaped housing; a transport wheel provided to the housing; a transport handle; a bracket fixed to the housing; a swing shaft for swingably connecting the transport handle and the bracket, between a vertical posture in which the transport handle extends upward from the housing and a horizontal posture in which the transport handle lies above the housing; and a vertical socket for receiving a base end part of the transport handle of the vertical posture to resist a torque of the transport handle caused during an operation.
Masahiro Yamada
Filed: 6 Apr 20
Utility
Work machine and hydraulic system for work machine
16 Nov 20
A hydraulic system for a work machine includes a first control cylinder to move a boom and a second control cylinder to move a bucket.
Jun Tomita, Yuji Fukuda, Yuya Konishi
Filed: 24 Apr 19
Utility
Engine
16 Nov 20
An engine is provided which includes an oil gallery, a base attaching seat in an engine frame wall, and a base for component mounting attached to the base attaching seat.
Tamon Tanaka
Filed: 6 Dec 17
Utility
Flat Membrane Element and Method for Producing Same
11 Nov 20
The outer edge of a filtration membrane is thermally welded to a filter plate by a first thermal welding part.
Kimihiro ISHIKAWA, Makoto TAKAHASHI, Kenichi TAGAWA
Filed: 19 Nov 18
Utility
Work Vehicle Having Driver's Seat
11 Nov 20
A work vehicle includes a driver's seat attached to a seat base, a support shaft attached to the seat base and extending in a vehicle body transverse direction, the support shaft pivotably connecting the seat base with the vehicle body frame, and an isolator mounted on the support shaft to absorb only vibration in a vehicle body front/rear direction.
Tasuku TERAOKA
Filed: 7 May 19