Patents Assigned to Iseki & Co., Ltd.
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Publication number: 20250048952Abstract: To provide a work vehicle capable of improving efficiency of wrapping work by computing a wrapping travel path, based on work route records by a roll baler. A work vehicle, which moves along position information by a GNSS receiver on a map in which a work travel path and a circling travel path by a roll baler are registered, includes a work locus recording control section that records a roll release point P together with a work locus, and generates a wrapping travel path when a wrapping machine is attached, based on the recorded roll release point. The traveling direction of the wrapping travel path is set to be orthogonal to an axial direction of a cylindrical roll at the roll release point.Type: ApplicationFiled: August 8, 2024Publication date: February 13, 2025Applicant: ISEKI & CO., LTD.Inventor: Koki ONO
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Patent number: 12043111Abstract: To provide a work vehicle that does not include a forward-reverse lever and is capable of stopping transmission of drive to a PTO shaft at a low cost when the vehicle is stopped or is moving backward. A work vehicle includes: a PTO shaft configured to transmit power to a work machine; a transmission; a forward pedal to be operated to move a traveling vehicle body forward; a switch configured to determine whether the forward pedal is operated; and a PTO clutch configured to switch the power to the PTO shaft to a non-transmission state when it is determined that the forward pedal is not operated based on a determination result of the switch. The forward pedal is provided on one of left and right sides of the transmission, and the switch is provided on the other of the left and right sides of the transmission.Type: GrantFiled: March 30, 2023Date of Patent: July 23, 2024Assignee: ISEKI & CO., LTD.Inventor: Kento Aibara
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Patent number: 11882789Abstract: A work vehicle includes a running vehicle body, a floor forming a bottom portion of an operation part of the running vehicle body, a fuel tank arranged below the floor, a lawn mower suspended from a lower part of the running vehicle body, a front suspension arm for suspending a front portion of the lawn mower, and a rear suspension arm for suspending a rear portion of the lawn mower. The rear suspension arm is arranged to avoid the fuel tank.Type: GrantFiled: October 21, 2020Date of Patent: January 30, 2024Assignee: ISEKI & CO., LTD.Inventors: Narutoshi Ishioka, Hirotaka Toda
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Publication number: 20230322074Abstract: To provide a work vehicle that does not include a forward-reverse lever and is capable of stopping transmission of drive to a PTO shaft at a low cost when the vehicle is stopped or is moving backward. A work vehicle includes: a PTO shaft configured to transmit power to a work machine; a transmission; a forward pedal to be operated to move a traveling vehicle body forward; a switch configured to determine whether the forward pedal is operated; and a PTO clutch configured to switch the power to the PTO shaft to a non-transmission state when it is determined that the forward pedal is not operated based on a determination result of the switch. The forward pedal is provided on one of left and right sides of the transmission, and the switch is provided on the other of the left and right sides of the transmission.Type: ApplicationFiled: March 30, 2023Publication date: October 12, 2023Applicant: ISEKI & CO., LTD.Inventor: Kento Aibara
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Patent number: 11772590Abstract: A work vehicle in which a safety frame can be easily attached and detached while costs are decreased. The work vehicle according to an embodiment includes: left and right rear axle cases; the safety frame which is attached to upper portions of the left and right rear axle cases and erected behind an operator seat and has an arch shape in a front view of a machine body; and a rear-side floor mount bracket that supports a rear portion of a floor step from below on left and right sides of the machine body. The rear-side floor mount bracket supports the floor step at a position that is different from attachment positions of the safety frame with respect to the left and right rear axle cases.Type: GrantFiled: June 29, 2022Date of Patent: October 3, 2023Assignee: ISEKI & CO., LTD.Inventor: Eiji Tomioka
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Patent number: 11758842Abstract: A work vehicle includes a mower connected to an abdomen of a running machine body via lifting links, a lifting interlocking link mechanism provided below the machine body for moving the mower up/down, and a link stopper connected to an adjustment dial and acting on the lifting interlocking link mechanism to change a cutting height of the mower. The adjustment dial is arranged on a seat support panel that supports an operator seat, and the link stopper, connected to the adjustment dial by a wire, is arranged below the machine body. A lifting lever for raising/lowering the mower is provided on one side of the left and right sides of the machine body, and a parking lever is arranged on the seat support panel on the other side. The adjustment dial is arranged between the parking lever and fenders covering rear wheels.Type: GrantFiled: October 8, 2020Date of Patent: September 19, 2023Assignee: ISEKI & CO., LTD.Inventor: Yoshihisa Tsuduki
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Patent number: 11607955Abstract: A tractor according includes a running vehicle body, a floor provided on the running vehicle body and serving as a floor surface of an operation part in which a driver is located, a floor bracket configured to support the floor, a fuel tank provided below the floor, and a pedal configured to move the running vehicle body forward or backward and having pivot shafts provided on the floor bracket between the floor and the fuel tank.Type: GrantFiled: October 14, 2020Date of Patent: March 21, 2023Assignee: ISEKI & CO., LTD.Inventor: Eiji Tomioka
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Publication number: 20230055171Abstract: A hood in which a predetermined space is formed is provided in a front portion of a traveling vehicle body, a control portion on which an operator rides is provided on a rear side of the hood, a first electric motor configured to drive rear wheels and a second electric motor configured to drive a work machine are provided on a lower rear side of a control seat of the control portion, and a battery configured to store electric power to be supplied to the first electric motor and the second electric motor is provided in the space formed by the hood.Type: ApplicationFiled: August 16, 2022Publication date: February 23, 2023Applicant: ISEKI & CO., LTD.Inventors: Taro TSUNASHIMA, Ryutaro MASUDA, Yusuke BABA
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Patent number: 11553635Abstract: A work vehicle includes a travelling vehicle body; a work machine mounted on a rear portion of the travelling vehicle body to be capable of being lifted and lowered; a control unit for controlling lifting and lowering of the work machine; and a rear sensor provided on the rear portion of the travelling vehicle body and configured to detect an object present behind the travelling vehicle body. The control unit may be configured to set a regulation height based on a height where the rear sensor detects the work machine while the work machine is lifted and then regulate lifting of the work machine during work in such a manner that a height of the work machine is kept less than or equal to the regulation height.Type: GrantFiled: December 13, 2019Date of Patent: January 17, 2023Assignee: ISEKI & CO., LTD.Inventor: Daisuke Sakuma
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Publication number: 20230001874Abstract: Provided is a work vehicle in which a safety frame can be easily attached and detached while costs are decreased. The work vehicle according to an embodiment includes: left and right rear axle cases; the safety frame which is attached to upper portions of the left and right rear axle cases and erected behind an operator seat and has an arch shape in a front view of a machine body; and a rear-side floor mount bracket that supports a rear portion of a floor step from below on left and right sides of the machine body. The rear-side floor mount bracket supports the floor step at a position that is different from attachment positions of the safety frame with respect to the left and right rear axle cases.Type: ApplicationFiled: June 29, 2022Publication date: January 5, 2023Applicant: ISEKI & CO., LTD.Inventor: Eiji TOMIOKA
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Patent number: 11459040Abstract: Provided is a work vehicle having an improved obstacle detection accuracy. The work vehicle includes: a bonnet provided on a front portion of a travelling vehicle body; an obstacle sensor that detects an obstacle on a front side; and a sensor attaching stay configured to extend toward a front side of the bonnet and to allow the obstacle sensor to be attached thereto.Type: GrantFiled: October 25, 2019Date of Patent: October 4, 2022Assignee: ISEKI & CO., LTD.Inventors: Hiroshi Kamoda, Itsuki Doi, Yutaka Kajino, Akihiro Machida, Seiji Tanaka, Shiro Ito
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Patent number: 11427134Abstract: A working vehicle may be provided that detects obstacles around a self-traveling tractor in a wide range, with reduced erroneous detection. A tractor may include a vehicle body including a front wheel and a rear wheel; a rear wheel fender covering the front and top of the rear wheel; a rear stay in a shape that extends along the rear wheel fender, a rear first obstacle sensor provided at the front of the rear stay; and a rear second obstacle sensor provided at the rear of the rear stay.Type: GrantFiled: October 25, 2019Date of Patent: August 30, 2022Assignee: ISEKI & CO., LTD.Inventors: Hiroshi Kamoda, Itsuki Doi, Yutaka Kajino, Akihiro Machida, Seiji Tanaka, Shiro Ito, Hisasada Fujiie
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Patent number: 11407304Abstract: A work vehicle in which hoses and the like are easy to handle and adequate routing of these hoses is possible. The work vehicle includes a traveling body which includes: traveling devices; and a connecting section which is configured to connect a working machine to the traveling body. The traveling body includes: a pair of left and right body frames which extends longitudinally; an engine which is mounted on the body frames and works as a driving source of the traveling devices and the working machine; a base plate which is provided on the body frames; a cooler which is provided on the base plate; and hoses which are connected to the cooler and routed, the base plate has a hose insertion hole into which the hoses are inserted, and the hoses pass through the hose insertion hole, extend below the base plate, and are routed toward the engine.Type: GrantFiled: March 16, 2021Date of Patent: August 9, 2022Assignee: ISEKI & CO., LTD.Inventors: Yoshihisa Tsuzuki, Ryota Nagano
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Patent number: 11370289Abstract: Provided is a work vehicle in which components such as a headlamp are less likely to be affected by heat. The work vehicle includes a running vehicle body which includes running devices and to which a work machine can be replaceably connected; an engine mounted on the running vehicle body and serving as a drive source for the running devices and the work machine; a bonnet covering the engine; a headlamp attached to a front portion of the bonnet; a muffler arranged below the headlamp in an internal space of the bonnet; and a heat shield member arranged between the headlamp and the muffler.Type: GrantFiled: July 30, 2020Date of Patent: June 28, 2022Assignee: ISEKI & CO., LTD.Inventor: Yasuhiro Hisaoka
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Patent number: 11370298Abstract: A work vehicle includes front and rear wheels, a transmission case and a power transmission device. The power transmission device is housed in the transmission case and is configured to transmit driving power from an engine to driving wheels. The power transmission device has a front wheel driving shaft and a four-wheel drive clutch. The front wheel driving shaft is arranged in a lower inside portion of the transmission case and is configured to transmit the driving power to the front wheels. The four-wheel drive clutch is arranged above the front wheel driving shaft, and is configured to switch between a two-wheel drive state in which the driving power is transmitted to the rear wheels, and a four-wheel drive state in which the driving power is transmitted to both the front wheels and the rear wheels via the front wheel driving shaft.Type: GrantFiled: November 26, 2019Date of Patent: June 28, 2022Assignee: Iseki & Co., LTD.Inventor: Hidekazu Tsuji
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Patent number: 11156282Abstract: Provided is a work vehicle having a compact braking device. The work vehicle includes a drive shaft part to which power generated by a power source is transmitted and which transmits the power to drive wheels via a differential device, and a drive shaft braking mechanism which generates a braking force on the drive shaft part when a brake pedal is depressed.Type: GrantFiled: December 12, 2019Date of Patent: October 26, 2021Assignee: ISEKI & CO., LTD.Inventor: Yasuhiro Hisaoka
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Publication number: 20210291638Abstract: A work vehicle in which hoses and the like are easy to handle and adequate routing of these hoses is possible. The work vehicle includes a traveling body which includes: traveling devices; and a connecting section which is configured to connect a working machine to the traveling body. The traveling body includes: a pair of left and right body frames which extends longitudinally; an engine which is mounted on the body frames and works as a driving source of the traveling devices and the working machine; a base plate which is provided on the body frames; a cooler which is provided on the base plate; and hoses which are connected to the cooler and routed, the base plate has a hose insertion hole into which the hoses are inserted, and the hoses pass through the hose insertion hole, extend below the base plate, and are routed toward the engine.Type: ApplicationFiled: March 16, 2021Publication date: September 23, 2021Applicant: ISEKI & CO., LTD.Inventors: Yoshihisa TSUZUKI, Ryota NAGANO
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Publication number: 20210251138Abstract: A work vehicle includes a running vehicle body, a floor forming a bottom portion of an operation part of the running vehicle body, a fuel tank arranged below the floor, a lawn mower suspended from a lower part of the running vehicle body, a front suspension arm for suspending a front portion of the lawn mower, and a rear suspension arm for suspending a rear portion of the lawn mower. The rear suspension arm is arranged to avoid the fuel tank.Type: ApplicationFiled: October 21, 2020Publication date: August 19, 2021Applicant: ISEKI & CO., LTD.Inventors: Narutoshi ISHIOKA, Hirotaka TODA
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Publication number: 20210197663Abstract: A tractor according includes a running vehicle body, a floor provided on the running vehicle body and serving as a floor surface of an operation part in which a driver is located, a floor bracket configured to support the floor, a fuel tank provided below the floor, and a pedal configured to move the running vehicle body forward or backward and having pivot shafts provided on the floor bracket between the floor and the fuel tank.Type: ApplicationFiled: October 14, 2020Publication date: July 1, 2021Applicant: ISEKI & CO., LTD.Inventor: Eiji TOMIOKA
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Publication number: 20210144915Abstract: A work vehicle includes a mower connected to an abdomen of a running machine body via lifting links, a lifting interlocking link mechanism provided below the machine body for moving the mower up/down, and a link stopper connected to an adjustment dial and acting on the lifting interlocking link mechanism to change a cutting height of the mower. The adjustment dial is arranged on a seat support panel that supports an operator seat, and the link stopper, connected to the adjustment dial by a wire, is arranged below the machine body. A lifting lever for raising/lowering the mower is provided on one side of the left and right sides of the machine body, and a parking lever is arranged on the seat support panel on the other side. The adjustment dial is arranged between the parking lever and fenders covering rear wheels.Type: ApplicationFiled: October 8, 2020Publication date: May 20, 2021Applicant: ISEKI & CO., LTD.Inventor: Yoshihisa TSUDUKI