1251 patents
Page 29 of 63
Utility
Spark ignition engine
15 Mar 22
A cylindrical part capable of supporting an ignition-coil-integrated plug cap is formed on a head cover so as to correspond to a plug hole of a cylinder head.
Hiroaki Isoshima, Takeshi Kawasaki, Yuichiro Yamada
Filed: 12 Nov 20
Utility
Work vehicle
8 Mar 22
A work vehicle is disclosed that includes a front guard that is provided at a front end portion of a traveling vehicle body and protects the traveling vehicle body, and an auxiliary device that can be attached to and removed from the front guard.
Yumi Kushimoto, Masatoshi Sakai, Junichi Fujiwara, Yusuke Morita
Filed: 13 May 19
Utility
Working vehicle
8 Mar 22
A working vehicle includes a traveling clutch to be switched between an engaging state and a disengaging state, a brake to brake the traveling device according to an operation of a brake operator, and a controller to perform a braking control to perform the braking, and an auto-switching controller to switch the traveling clutch from the engaging state to the disengaging state.
Yoshihiko Kuroshita, Tetsuo Yamaguchi, Michita Kono, Hitoshi Azuma, Shinji Ohara
Filed: 5 Jun 20
Design
Display screen with graphical user interface
1 Mar 22
Fulvio Zerbino
Filed: 7 May 20
Design
General purpose engine
1 Mar 22
Takayuki Ichikawa, Takahito Uemura, Satoshi Watanabe, Akira Tamura, Shota Hatada
Filed: 7 Aug 20
Utility
Work vehicle
1 Mar 22
A work vehicle includes a vehicle body, a plurality of traveling devices for driving traveling, a plurality of bending link mechanisms supporting the plurality of traveling devices to the vehicle body with allowing the plurality of traveling devices to be elevated/lowered independently of each other, a driving mechanism capable of changing respective postures of the plurality of bending link mechanisms independently of each other, and an idle wheel freely rotatably supported to an intermediate bending portion of each one of the plurality of bending mechanisms.
Junichi Ishikawa, Minoru Hiraoka
Filed: 28 Mar 18
Utility
Work machine
1 Mar 22
A work machine includes a transmission case (5) extending in the front-back direction of a machine body, a first hydraulic unit (V) provided on one of mutually opposite wall portions (5a, 5b) of the transmission case (5), a second hydraulic unit (44) provided on a second one of the wall portions (5a, 5b), and a supply passage (43) configured to supply operating oil from the first hydraulic unit (V) to the second hydraulic unit (44).
Daisuke Nakayama, Hironobu Nogami, Norita Tottori, Naoya Okamoto
Filed: 10 Nov 20
Utility
Engine equipped with supercharger
1 Mar 22
There is provided an engine equipped with a supercharger that suppresses heat deterioration of engine oil.
Hiroki Oso, Nobuyoshi Okada, Shingo Matsunobu, Yoshinori Tanaka, Ayako Sakurai
Filed: 22 Oct 19
Utility
Shift power transmission apparatus of a tractor and tractor
1 Mar 22
A shift power transmission apparatus of a tractor that has a small up-down width or a small transverse width and a short front-rear length.
Tomonari Tsuchida, Hidetoshi Hana, Ryoma Iwase
Filed: 20 Nov 18
Utility
Work Vehicle
24 Feb 22
A link mechanism is provided between a first member and a second member to effect a bending/stretching motion in operative association with a telescopic expanding/contracting motion of the first member and the second member.
Manabu TOGO, Jinto NO
Filed: 19 Aug 21
Utility
Movement Assisting Tool
24 Feb 22
A movement assisting tool (23) includes an attachment portion (24) that can be attached to and removed from a main body portion (11) of a battery unit (4), leg portions (25) that are coupled to the attachment portion (24) and extend from the attachment portion (24), and moving wheels (26) that are supported by extension portions of the leg portions (25).
Kazutomo Miyaguchi, Hirokazu Ito
Filed: 4 Jun 21
Utility
Work vehicle
22 Feb 22
A work vehicle of the invention includes: a pair of right and left front wheels disposed in a front part of the vehicle body; a pair of right and left rear wheels disposed in a rear part of the vehicle body; a side wall disposed at an outer end part of one side in a right-left direction of the vehicle body; and a radiator disposed between the front wheels and the rear wheels in a side view and on an inner side relative to the side wall in a plane view, wherein the radiator is disposed with an air-suction surface thereof facing toward the side wall to form an air-suction opening in a bottom part of a space between the air-suction surface and an inner surface of the side wall, and wherein a dust-proof body protruding downward to a lower level than a level of a lower end of the vehicle body is disposed on at least one of: a front side of the air-suction opening and a rear side of the front wheels; and a rear side of the air-suction opening and a front side of the rear wheels.
Tatsuya Nagatomi
Filed: 9 Jun 20
Utility
Front loader
22 Feb 22
A front loader includes a link operating mechanism spanning a bucket and a stand.
Robert Stewart Boyd, Erik Baker
Filed: 14 Jul 20
Utility
Hydraulic system of working machine
22 Feb 22
A hydraulic system includes a hydraulic pump to output an operation fluid, first and second hydraulic devices to be operated by the operation fluid, first and second control valves to control the first and second hydraulic device, respectively, first and second communication tubes connecting the first hydraulic device to the first control valve, a supply fluid tube connecting the first control valve to the second control valve, the supply fluid tube being configured to supply the return fluid to the second control valve, first and second connection fluid tubes disposed on the first control valve, a discharge fluid tube connected to the first control valve, first and second branching fluid tubes branched from the first and second connection fluid tubes, respectively, first and second throttles disposed on the first and second branching fluid tubes, respectively, the second throttle being smaller than the first throttle.
Yuji Fukuda, Keigo Honda
Filed: 25 Feb 21
Utility
Battery connector assembly and battery device
22 Feb 22
Provided is a battery connector assembly that allows adaptation of a connector of a battery to both a connector of an electric work vehicle and a connector of a charger.
Katsuhiko Uemura, Hirokazu Ito, Yasuhiro Manji
Filed: 7 Jun 19
Utility
Working Machine
17 Feb 22
A working machine includes a controller configured or programmed to perform an automatic deceleration for automatically decelerating a left traveling motor and a right traveling motor rotated at a second speed by shifting from the second speed to the first speed, and to determine a deceleration threshold that is used for judging whether the automatic deceleration has to be performed or not.
Kohei NAGAO, Yuji FUKUDA, Ryota HAMAMOTO, Hiroaki NAKAGAWA
Filed: 28 Jun 21
Utility
Working Machine
17 Feb 22
A working machine includes a controller to perform automatic deceleration to automatically reduce a first rotation speed of a left traveling motor to output a power to a left traveling device on a left portion of a machine body and a second rotation speed of a right traveling motor to output a power to a right traveling device on a right portion of the machine body by shifting a speed stage of each of the left and right traveling motors from a second speed to a first speed that is lower than the second speed.
Yuji FUKUDA, Kohei NAGAO
Filed: 29 Jul 21
Utility
Working Machine
17 Feb 22
A working machine includes a controller configured to determine a first deceleration threshold corresponding to each of a first traveling pressure, a second traveling pressure, a third traveling pressure, and a fourth traveling pressure, to perform automatic deceleration to reduce rotation speeds of a left traveling motor and a right traveling motor, and to judge whether to perform the automatic deceleration based on the determined first deceleration threshold, the first traveling pressure, the second traveling pressure, the third traveling pressure, and the fourth traveling pressure.
Yuji FUKUDA, Kohei NAGAO, Ryota HAMAMOTO, Hiroaki NAKAGAWA, Jun TOMITA
Filed: 29 Jul 21
Utility
Working Machine
17 Feb 22
A working machine includes a first pressure detector configured to detect a first pilot pressure that is a pressure of operation fluid passed through a first traveling fluid line, a second pressure detector configured to detect a second pilot pressure that is a pressure of operation fluid passed through a second traveling fluid line, a third pressure detector configured to detect a third pilot pressure that is a pressure of operation fluid passed through a third traveling fluid line, a fourth pressure detector configured to detect a fourth pilot pressure that is a pressure of operation fluid passed through a fourth traveling fluid line, and a controller configured or programed to judge in which of the left-front, right-front, left-rear and right-rear operation areas an operational position of the traveling operation member exists.
Kohei NAGAO, Yuji FUKUDA, Hiroaki NAKAGAWA, Ryota HAMAMOTO, Tomoyuki NOGUCHI
Filed: 6 Aug 21
Utility
Working Machine
17 Feb 22
A working machine includes a fan motor driven with hydraulic fluid, the fan motor including a first port and a second port, a bypass fluid passage connecting the first port of the fan motor and the second port to each other, a flow rate control valve provided on the bypass fluid passage to control a flow rate of the hydraulic fluid flowing in the bypass fluid passage, a drain passage configured to drain the hydraulic fluid upstream of the flow rate control valve, and an unloading valve shiftable between a full-closing position to close the drain passage and a full-opening position to open the drain passage.
Yuji FUKUDA, Daiki ABE, Ryota HAMAMOTO, Kazuki UEDA, Kohei KURACHI, Yuya KONISHI, Masaki INAOKA, Yasushi OTAGAKI, Yuya TANABE
Filed: 6 Aug 21