686 patents
Page 18 of 35
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
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
Front Guard and Working Machine
30 Dec 21
A working machine includes a machine body an operator seat mounted on the machine body, a front working device swingable upward and downward, the front working device being provided forward of the operator seat and on one side in a machine-width direction eccentric with respect to a central portion of the operator seat, and a front guard provided forward of the operator seat.
Kazuyuki HATTA, Taiki FUJIMOTO, Akira KOMUKAI, Yoshinori TORII
Filed: 14 Sep 21
Utility
Protective Member and Work Vehicle
30 Dec 21
A protective member includes an attachment portion that is attached to a tractor including a mid PTO shaft and a protective frame that is supported by the attachment portion and positioned not to overlap with the mid PTO shaft in a front view to protect the mid PTO shaft, and the protective frame is positioned not to overlap with the mid PTO shaft in a side view.
Koji MASUMOTO
Filed: 21 Jun 21
Utility
Working Machine
30 Dec 21
A working machine includes a prime mover, a traveling pump driven by a power of the prime mover to deliver operation fluid, a traveling motor rotated by the operation fluid delivered from the traveling pump to have a rotation speed stage shiftable between a first speed stage and a second speed stage higher than the first speed stage, a traveling switching valve shiftable between a first state where the rotation speed stage of the traveling motor is set to the first speed stage and a second state where the rotation speed stage of the traveling motor is set to the second speed stage, an actuation valve configured to change a pilot pressure of a pilot fluid to control a flow of operation fluid delivered from the traveling pump, and a controller configured to control the pilot pressure of the pilot fluid output from the actuation valve so that a value of the pilot pressure differs depending on whether the set rotation speed stage of the traveling motor is the first speed stage or the second speed stage.
Yuji FUKUDA, Ryota HAMAMOTO, Jun TOMITA, Daiki ABE
Filed: 28 Jun 21
Utility
Work Vehicle
30 Dec 21
Provided is a work vehicle including a wheel support member including an axle that supports a pair of left and right travel wheels; a link mechanism that is provided spanning between a vehicle body and the wheel support member, and that supports the wheel support member such that the wheel support member can be raised and lowered; and a suspension mechanism that is provided spanning between a suspension support section formed on the vehicle body and the wheel support member, and that elastically supports the wheel support member.
Masahiro Azuma
Filed: 3 Dec 20
Utility
Planetary Gear Device and Compound Planetary Gear Device
30 Dec 21
A carrier includes a first carrier portion and a second carrier portion.
Tomonari TSUCHIDA, Ryoma IWASE, Tomoyuki TANAKA, Takahiro MATSUO
Filed: 7 Jun 21
Utility
Pto Shaft Driving Device In Working Machine
30 Dec 21
A PTO shaft driving device in a working machine, includes a parking switch to detect parking of a vehicle body, a first switch located on a manipulator located on the vehicle body to output a PTO shaft control command that is either a driving command to drive a PTO shaft located on the vehicle body or a stopping command to stop the PTO shaft, a second switch located at a position different from the manipulator to output a PTO shaft control command that is either a driving command to drive the PTO shaft or a stopping command to stop the PTO shaft, a first permission switch to selectively permit or prohibit a stationary work when the parking switch detects the parking, and a controller configured or programmed to control driving of the PTO shaft.
Keiji TAKAHASHI, Tatsuya SAKAI, Tsuyoshi GONO, Norita TOTTORI
Filed: 25 Jun 21
Utility
Traveling Assisting Device for Work Vehicle and the Work Vehicle
30 Dec 21
Provided is a traveling assisting device for a work vehicle which makes it easy to avoid local compaction of the soil.
Junichi YUASA
Filed: 24 Sep 19
Utility
Work Vehicle
30 Dec 21
A work vehicle includes a fender covering a rear wheel, a seat base to which the fender is fixed and on which a seat is installed, a step above or below the seat base and to which the seat base is fixed, and a first vibration insulating portion having a vibration insulating property and interposed between the step and the seat base.
Shigeo SHOEN, Kazuya KIYAMA, Ryosuke TANAKA
Filed: 21 Jun 21
Utility
Work Vehicle
30 Dec 21
A work vehicle includes a transmission case including an injection port to allow injection of transmission oil, a floor mat above the transmission case and near a driver's seat, the floor mat including an opening/closing portion to be opened in an open state in which the injection port is exposed and to be closed in a closed state in which the injection port is covered, and a fixing portion to fix the opening/closing portion in the closed state, in which the opening/closing portion includes a protrusion protruding in a predetermined direction, and the fixing portion includes a hole configured to fix the opening/closing portion when the protrusion is inserted into the hole.
Shigeo SHOEN, Maho YAMANAKA, Yukari FUJII
Filed: 21 Jun 21
Utility
Working Vehicle
30 Dec 21
A working vehicle includes a prime mover, a traveling device, a traveling clutch switchable between an engaged state to transmit, to the traveling device, power provided from the prime mover and a disengaged state to interrupt the power transmitting to the traveling device, an automatic switching controller to switch the traveling clutch from the disengaged state to the engaged state, and a status detector to detect at least either a status of the prime mover or a status of the traveling device.
Hitoshi AZUMA
Filed: 8 Jun 21
Utility
Work Vehicle
30 Dec 21
A work vehicle includes an openable and closable bonnet that covers an engine and is rockable with respect to a body frame, a pin that is provided on the body frame side, and a lock that is provided on the bonnet side and is switchable between a locked state in which the bonnet is locked by the lock engaging with the pin and an unlocked state in which the bonnet is not locked by the lock not engaging with the pin.
Ryosuke TANAKA, Mami FUJII
Filed: 23 Jun 21
Utility
Membrane Defect Inspection Method and Membrane Defect Inspection Device
23 Dec 21
A membrane defect inspection method is for a membrane module set including a plurality of membrane modules connected in parallel under a straight pipe portion of gas detection piping extending in a horizontal direction and communicating with primary spaces in the plurality of membrane modules to which raw water is supplied or secondary spaces.
Keishi WATANABE, Shintaro NISHIMOTO, Tetsuya UENAKA, Fang ZHAO, Akira MATSUNAGA
Filed: 3 Dec 19
Utility
Working Vehicle
23 Dec 21
A working vehicle includes a vehicle body, an obstacle detector to detect an obstacle in a vicinity of the vehicle body, at least one lamp to be lighted on a peripheral portion of the vehicle body, and an attachment bracket attached to the vehicle body.
Takuya NISHIKUBO, Hiroshi MIYAKE
Filed: 3 Sep 21
Utility
Traveling Work Machine
23 Dec 21
A traveling work machine includes a machine body provided with a travel apparatus, a position detector capable of detecting position information of the machine body based on a positioning signal of a navigation satellite, a travel trajectory determiner capable of determining a travel trajectory of the machine body based on detection, over time, of the position information, a target heading calculator to calculate a target heading based on the travel trajectory, a maneuvering controller capable of controlling the travel apparatus to maneuver along the target heading, and a single operating tool capable of setting both a start point and an end point of the travel trajectory obtained when calculating the target heading.
Shunya TAKASE, Shinji MISAKI
Filed: 6 Dec 19
Utility
Traveling Work Machine
23 Dec 21
A traveling work machine includes a position detector capable of obtaining position information of a machine body based on a positioning signal from a navigation satellite, an end determiner capable of determining the end of each of a plurality of instances of work travel, a start position calculator capable of calculating start positions Ls and Ls2, and a display capable of displaying information pertaining to the turning travel.
Shunya TAKASE, Hiroki SUGA, Koji MATSUDA, Shunsuke MIYASHITA
Filed: 6 Dec 19