1251 patents
Page 31 of 63
Utility
Exhaust Mechanism and Working Vehicle
3 Feb 22
An exhaust mechanism includes an exhaust pipe, an exhaust port, and a baffle plate.
Taketo KIMURA, Yusuke HADA
Filed: 8 Apr 21
Utility
Heat Insulating Material
3 Feb 22
A heat insulating material includes a central portion to cover a first base or a second base of an exhaust gas purifier of an engine, and a first rectangular portion and a second rectangular portion which have substantially rectangular shapes and which are connected to the central portion substantially symmetrically with respect to a center of the central portion.
Taketo KIMURA, Hayato KAWANO
Filed: 23 Mar 21
Utility
Work vehicle
1 Feb 22
A work vehicle includes a plurality of traveling devices driven for traveling, a plurality of articulated link mechanisms having a plurality of links pivotally coupled to each other to provide two or more joints and configured to independently support the traveling devices to a vehicle body with allowing lifting/lowering of the traveling devices independently relative to the vehicle body, and a plurality of hydraulic cylinders capable of changing respective postures of the plurality of links included in the articulated link mechanisms.
Junichi Ishikawa, Minoru Hiraoka
Filed: 21 Dec 18
Utility
Attaching-detaching structure of a front loader, front loader and work vehicle
1 Feb 22
A readily attaching-detaching structure of a front loader that can make the attaching and detaching work to a vehicle body easier, a front loader, and a work vehicle.
Shin Torii, Yuta Ozeki
Filed: 17 Nov 20
Utility
Working machine
1 Feb 22
A working machine includes a prime mover, a traveling pump to be driven by the prime mover to output operation fluid, a traveling motor to be driven by the operation fluid outputted from the traveling pump and to change a motor speed between a first speed and a second speed higher than the first speed, a machine body on which the prime mover, the traveling pump, and the traveling motor are arranged, a traveling switching valve to be switched between a first state allowing the traveling motor to rotate at the first speed and a second state allowing the traveling motor to rotate at the second speed, and a controller to reduce a revolving speed of the prime mover based on a traveling condition of the machine body in switching the traveling switching valve between an accelerating state to switch the traveling switching valve from the first state to the second state and a decelerating state to switch the traveling switching valve from the second state to the first state.
Yuji Fukuda, Ryosuke Kinugawa, Ryota Hamamoto, Jun Tomita
Filed: 18 Feb 20
Utility
Membrane Defect Inspection Method and Membrane Defect Inspection Device
27 Jan 22
A membrane defect inspection method that can detect damage in a filtrate membrane and can detect presence or absence of damage or a seal defect in a membrane module; and the method is for a membrane module set including multiple membrane modules connected under gas detection piping communicating with primary spaces of the multiple membrane modules where raw water is supplied or secondary spaces in multiple membrane modules where treated water is extracted after the raw water is filtrated by membranes.
Keishi WATANABE, Shintaro NISHIMOTO, Tetsuya UENAKA, Fang ZHAO, Akira MATSUNAGA
Filed: 3 Dec 19
Utility
Utility Work Device
27 Jan 22
A utility work device includes a main body section supported by a support and a working section supported by the main body section to perform a work on an object.
Kouhei YAMADA, Keisuke IGARASHI, Kazuyuki TASHIRO
Filed: 23 Dec 19
Utility
Cast Product Having Alumina Barrier Layer
27 Jan 22
The present invention provides a cast product that can further enhance the stability of a barrier layer and can exhibit further superior oxidation resistance, carburization resistance, nitriding resistance, and corrosion resistance, when used under a high-temperature atmosphere, the cast product having a surface with a barrier layer comprising an Al-containing metal oxide expressed in (Al(1-x)M(x))2O3, where M is at least one of Cr, Ni, Si, and Fe, wherein the Al-containing metal oxide includes a solid solution of at least one of Cr, Ni, Si, and Fe with Al, in a relationship of Al/(Cr+Ni+Si+Fe)≥2.0 in an atomic % ratio, the barrier layer being composed of two layers consisting of a first Al-containing metal oxide layer and a second Al-containing metal oxide layer formed between the surface of the cast product and the first Al-containing metal oxide layer, and the second Al-containing metal oxide layer being greater than the first Al-containing metal oxide layer with respect to the atomic % ratio of Al/(Cr+Ni+Si+Fe), and having a thickness that is at least one fifth of a thickness of the barrier layer.
KUNIHIDE HASHIMOTO, SHINICHI URAMARU
Filed: 4 Oct 21
Utility
Lift Arm Lifting and Lowering Mechanism
27 Jan 22
A lift arm lifting and lowering mechanism cylinder case provided with a cylinder portion into which oil is fed, a piston slidable inside the cylinder portion to define a hydraulic chamber and receiving hydraulic pressure of the hydraulic chamber on a front surface, a safety valve provided to the piston to discharge the oil inside the hydraulic chamber to the outside when the hydraulic pressure of the hydraulic chamber becomes greater than or equal to a predetermined value, and a lift arm supported by the cylinder case and rotatable in conjunction with movement of the piston, in which the piston includes an oil passage allowing communication between a rear surface of the piston and the front surface, and the oil passage includes a containing portion provided to open on the axially front surface side and capable of containing the safety valve, and a non-containing portion provided on the axially rear surface side relative to the containing portion and incapable of containing the safety valve.
Shinichiro MATSUDA, Daisuke MIYAZAKI
Filed: 18 Nov 19
Utility
Work vehicle
25 Jan 22
In a work vehicle including a pair of left and right link mechanisms disposed between a vehicle body and a wheel support member and configured to support the wheel support member to the vehicle body to be vertically pivotable, a suspension mechanism disposed between the vehicle body and the wheel support member and configured to elastically support the wheel support member, and an engine disposed between the pair of left and right link mechanisms, each one of the pair of left and right link mechanisms including an upper link provided between a link support portion formed in the vehicle body and the wheel support member and a lower link provided between the link support portion and the wheel support member, there are provided a radiator disposed on lateral outer side of the vehicle body relative to the link mechanisms, a cooling water circulation hose connected to the engine and the radiator and configured to circulate engine cooling water between the engine and the radiator.
Tatsuya Nagatomi, Shinya Izumi
Filed: 10 Dec 19
Utility
Floor mat and working machine
25 Jan 22
A floor mat arranged in a working machine includes a floor portion, a wall portion arranged on a circumferential portion of the floor portion, and an opening portion arranged on a part of a connecting portion of the wall portion, the connecting portion connecting to the floor portion.
Akihiro Ichihara, Kenzo Kusama, Kasumi Inagaki, Hironobu Konishi, Kazuya Oi, Tadayoshi Umemoto, Shota Sakamoto, Shohei Tanaka, Masahiro Aihara, Yuta Yamada, Yoshiki Takizawa, Takuya Sakuta, Kenichi Saiki, Tokio Sakata
Filed: 21 Dec 18
Utility
Work vehicle
25 Jan 22
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: 28 May 20
Utility
Working Machine
20 Jan 22
A working machine includes a rear machine body on which an operator's seat is mounted, a front machine body to which a working tool is attached, a center shaft having a first axis extending in a fore-and-aft direction, a first supporting part supporting the center shaft rotatably relative to the rear machine body around the first axis, a coupling shaft having a second axis extending in a vertical direction and connected to the front machine body, and a second supporting part supporting the center shaft rotatably relative to the coupling shaft relative to the second axis.
Teruhiko IWAMOTO, Kunihiro SUZUKI, Hitoshi ONO, Yukiya CHIBA, Tetsuji MATSUSHITA
Filed: 28 Sep 21
Utility
Working Machine
20 Jan 22
A working machine includes a machine body, a traveling device travelably supporting the machine body, a hydraulic driving device to hydraulically drive the traveling device, a floor frame supported on the machine body via a mounting member, a pedal operable to brake the traveling device, the inching valve to change a flow rate of hydraulic fluid supplied to the hydraulic driving device according to operation of the pedal, and a cable operably connecting the pedal to the inching valve.
Yuki TAKANO, Tsutomu AIZAWA, Tetsuji MATSUSHITA
Filed: 28 Sep 21
Utility
Swiveling Work Machine
20 Jan 22
A swiveling work machine includes a swivel base, a prime mover provided on the swivel base, a work device provided on the swivel base, and a support mechanism to support a fuel cylinder storing fuel for the prime mover.
Teruo KUNIZAWA, Kiyoshi MATSUI, Junki ITO, Haruhito IKEDA, Masamitsu DATE, Alessandro CECCHINI, Massimo BARCHI
Filed: 28 Sep 21
Utility
Working Machine
20 Jan 22
The working machine includes a traveling device, a traveling motor, a hydraulic pump including a swashplate, a prime mover to drive the hydraulic pump, a first servo-cylinder to set an angle of the swashplate, a charge pump to supply pilot fluid to the first servo-cylinder, a switching valve shiftable between a traveling position to supply the pilot fluid from the charge pump to the first servo-cylinder and a neutral position to stop the pilot fluid supply to the first servo-cylinder, a switching operation member operable to select either a traveling mode or a neutral mode, and a controller to shift the switching valve between the traveling position and the neutral position.
Ryuki NISHIMOTO, Teruhiko IWAMOTO, Tsutomu AIZAWA, Makoto NOGUCHI
Filed: 28 Sep 21
Utility
Working machine
18 Jan 22
A working machine according to an embodiment of the present invention includes an operator seat, an operation base arranged in front of the operator seat, an operation member arranged on the operation base and configured to be gripped and moved, and an armrest member extending from the operation base toward a side of the operator seat.
Hiroshi Horii
Filed: 26 Jun 19
Utility
Housing Body and Working Machine
13 Jan 22
The disclosed art includes: a machine body; an operator's seat mounted on the machine body and including a seat part and a backrest part; a manipulator base disposed on a lateral side of the operator's seat; and a housing body for housing a printed material therein, and the housing body is disposed forward of the backrest part and on the opposite side of the manipulator base from the operator's seat.
Kazuyuki HATTA, Hiroyuki UEDA, Tadayoshi UMEMOTO, Yoshiyuki ENOMOTO
Filed: 24 Sep 21
Utility
Control Device for Work Vehicle Configured to Travel Autonomously
13 Jan 22
A control device for a work vehicle configured or programmed to travel autonomously includes a vehicle position calculator to calculate a vehicle position, a travel direction calculator to calculate a travel direction that is a front-back direction of the vehicle body, a steering state detector to obtain data on a steering state, a vehicle position estimator to calculate an estimated vehicle position at which the work vehicle is to be present after performing predetermined travel from the vehicle position of the work vehicle, a deviation calculator to calculate a deviation of the work vehicle at the estimated vehicle position from the target travel path, a target steering amount calculator to calculate a target steering amount based on the deviation, and an autonomous travel controller to control steering based on the target steering amount.
Hiroki SUGA, Shunsuke MIYASHITA
Filed: 9 Dec 19
Utility
Riding mower with a cutting guide
11 Jan 22
A riding mower includes front wheels and rear wheels that support a vehicle body frame on the ground surface, a driver's seat disposed upwardly of the vehicle body frame, a mower deck disposed downwardly of the vehicle body frame and a cutting guide device configured to create an overlap mark that hints a cutting overlap line at a position forwardly of the front wheels and the mower deck and closer to the ground surface than the vehicle body frame.
Masaki Takaoka
Filed: 18 Dec 18