525 patents
Page 8 of 27
Utility
Work vehicle
6 Dec 22
A work vehicle includes a first detection unit that detects an optical beam emitted from a beam projector disposed at one end of a reference travel path, a first position deviation calculation section that calculates position deviation by a vehicle body from the reference travel path based on a detection signal from the first detection unit, a second detection unit that detects a work boundary line that occurs due to work travel, a second position deviation calculation section that calculates position deviation of the vehicle body traveling along successive travel paths from the work boundary line based on a detection signal from the second detection unit, and a steering information generation section that, based on the position deviation calculated by the first position deviation calculation section and the second position deviation calculation section, generates steering information for correcting the position deviation.
Yasuhiro Manji, Yuto Akai, Yu Hayashi
Filed: 29 Nov 17
Utility
Agricultural machine
29 Nov 22
An agricultural machine includes a baler controller configured or programmed to obtain an ejector inclination value from a positional relation between a tractor inclination sensor and a bale ejector of a baler, the ejector inclination value being a sensor value of the inclination sensor corresponding to the bale ejector, and to allow ejection of the bale when a size of the bale in the baler is larger than a first threshold value and the ejector inclination value is less than a second threshold value.
Ryo Kurata, Susumu Umemoto, Shinnosuke Ishikawa, Zerbino Fulvio
Filed: 15 Sep 20
Utility
Working vehicle and traveling management system for the working vehicle
29 Nov 22
A working vehicle includes a traveling body including a coupler to which a working device is connected, a marker provided to the working device, a marker detector provided to the traveling body to detect the marker, and a status calculator to calculate a status of the working device based on a detection data detected by the marker detector.
Junichi Yuasa
Filed: 9 Dec 20
Utility
Work-tool mounting mechanism and work vehicle
22 Nov 22
A work-tool mounting mechanism detachably attaches a predetermined work tool that includes an engaged portion including an engagement hole.
Ryoichi Nishi
Filed: 12 Mar 20
Utility
Working machine
22 Nov 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
Generator unit and working machine
15 Nov 22
A generator unit to be attached to a traveling vehicle that has a prime mover and a PTO shaft to transmit power from the prime mover, includes: a generator; an input shaft having: a first connector portion configured to be connected to the PTO shaft; and a second connector portion configured to be connected to a working device to be connected to the traveling vehicle; a transmitter mechanism to transmit, to the generator, power supplied from the PTO shaft, the power being inputted from the first connector portion to the input shaft; and an attachment frame having: an attachment portion to which the generator, the input shaft, and the transmitter mechanism are attached; and a mounting portion configured to be mounted to the traveling vehicle.
Sumio Yagyu, Takashi Uchida, Yukifumi Yamanaka, Go Takaki
Filed: 24 Jun 20
Utility
Working machine
15 Nov 22
A display device for a working machine, includes: a plurality of candidate boxes in which candidate setting information to be set to the working machine is represented, the candidate boxes being displayed on a screen; and a contents display portion in which a setting item relating to the working machine is displayed.
Ryo Wataya, Tsuyoshi Gono
Filed: 11 Jun 19
Utility
Work vehicle
15 Nov 22
An annular member includes a first through hole extending through a first face to a second face forming the back face relative to the first face and having an inner face formed as a concave curved face and a tubular spherical inner ring having an outer face formed as a convex curved face extending along the inner face of the first through hole.
Tomoyuki Ukai, Ryuki Wada, Naoya Otani, Takahiro Miyasaka
Filed: 9 Mar 21
Utility
Work vehicle
15 Nov 22
A work vehicle including: a first link having one end portion supported by a vehicle body so as to be pivotable; a second link having one end portion pivotally coupled to the other end portion of the first link so as to be pivotable, and another end portion that supports a travel wheel; a first hydraulic cylinder capable of changing a swing posture of the first link; and a second hydraulic cylinder capable of changing a swing posture of the second link relative to the first link.
Junichi Ishikawa, Minoru Hiraoka
Filed: 12 Jun 19
Utility
Diesel engine
15 Nov 22
Provided is a diesel engine capable of regenerating a DPF even during no-load and/or light-load operation.
Daichi Kato, Yuki Ishii, Hiroaki Imahara, Hiroaki Okano
Filed: 6 Apr 20
Utility
Grass mowing work evaluation system
8 Nov 22
A work evaluation system configured to effect evaluation of a grass mowing work performed by a work vehicle includes a state information acquisition section for acquiring vehicle state information indicative of a state of the work vehicle when performing the grass mowing work, a sound data acquisition section for acquiring sound data comprised of collection of sounds around the work vehicle, a foreign object amount calculation section for calculating an amount of foreign objects present in the work land which come into contact with a mowing blade in the course of the grass mowing work and an evaluation section for evaluating the grass mowing work performed in the work land, based on the vehicle state information and the foreign object amount.
Kazuaki Matsuda, Katsuhiko Uemura
Filed: 29 Apr 19
Utility
Electric work vehicle
1 Nov 22
In an electric work vehicle, a power feeding assembly which connects a battery device to a power controller unit so as to feed power includes a fixed connector which is fixed to the battery device and electrically connected to the battery device, a cable harness connected to a power controller unit, and a free connector which is connected to an end of the cable harness and connectable to a fixed connector, and a connecting operation tool is configured to be movable the free connector between the connecting position in which the free connector is connected to the fixed connector and the detaching position.
Hirokazu Ito, Junichi Yamanaka, Kazuaki Matsuda
Filed: 10 Jun 20
Utility
Work vehicle
1 Nov 22
A work vehicle includes a first actuator driving a differential lock device, a second actuator driving the drive-wheel switchover device, a first operational tool for operating driving of the first actuator, a second operational tool for operating driving of the second actuator and a control device.
Yuji Ishii
Filed: 25 Nov 20
Utility
Electric work vehicle
1 Nov 22
Provided is an electric work vehicle having a simple configuration, yet allowing a hydraulic cylinder to function appropriately even in a low-temperature environment.
Katsuhiko Uemura, Hirokazu Ito, Yasuhiro Manji, Kazuaki Matsuda
Filed: 7 Nov 19
Utility
Battery pack for electric work vehicle
1 Nov 22
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: 7 Apr 20
Utility
Work vehicle and front grill of work vehicle
25 Oct 22
A work vehicle includes: a wheel support member configured to support a pair of left and right traveling wheels; a link mechanism configured to support the wheel support member such that the wheel support member can be raised and lowered, the link mechanism being provided spanning between a vehicle body and the wheel support member; a suspension mechanism configured to elastically support the wheel support member, the suspension mechanism being provided spanning between a suspension support portion, which is formed on the vehicle body, and the wheel support member; and a lateral link configured to restrict leftward and rightward movement of the wheel support member, the lateral link being joined to a vehicle body-side support portion, which is formed on the vehicle body, and to a wheel-side support portion, which is formed on the wheel support member, wherein the link mechanism has: an upper link with an front end portion supported so as to be able to pivot up and down around an upper pivot axis by a link support portion, which is formed on the vehicle body, and with a rear end portion joined so as to be able to relatively pivot around an upper joint axis by the wheel support member; and a lower link with a front end portion supported so as to be able to pivot up and down around a lower pivot axis by the link support portion, and with a rear end portion joined to the wheel support member so as to be able to relatively pivot around a lower joint axis, a distance between the upper pivot axis and the upper joint axis is set shorter than a distance between the lower pivot axis and the lower joint axis, a gap width between the upper joint axis and the lower joint axis is set larger than a gap width between the upper pivot axis and the lower pivot axis, and when the vehicle body is in an unloaded state, the lower joint axis is located lower than the lower pivot axis.
Masahiro Azuma, Tatsuya Nagatomi, Kenta Moribe, Tomonori Kaneko
Filed: 10 Dec 19
Utility
Attachment structure of generator and working machine
25 Oct 22
An attachment structure of a generator and a working machine including a transmission case; and a PTO shaft protruding from the transmission case, includes a structure body attached to a side of the transmission case from which the PTO shaft protrudes, and includes the generator attached to the structure body.
Sumio Yagyu, Takao Nakagawa, Masaru Kawane
Filed: 27 Dec 19
Utility
Management device for water treatment facility, cleaning chemical solution order placement system for water treatment facility, chemical solution order placement method for water treatment facility, and chemical solution cleaning planning method for water treatment facility
18 Oct 22
A management device for a water treatment facility includes: a transmembrane pressure difference prediction unit configured to predict a general trend in a transmembrane pressure difference in a water treatment system based on an operation information, the operation information being related to the water treatment system including a membrane separation device installed therein; a chemical solution cleaning planning unit configured to devise such a chemical solution cleaning plan that chemical solution cleaning is performed before a period when a value of the transmembrane pressure difference predicted reaches a specified value; and a chemical solution order placement information generation unit configured to generate chemical solution order placement information based on the and the cleaning chemical solution stock information.
Hiroyuki Kobayashi, Nobukazu Suzuki, Kouji Miyagawa, Yasuhiro Kaneshina
Filed: 22 Nov 18
Utility
Drive device for PTO shaft of working machine
18 Oct 22
A drive device for a PTO shaft includes a parking switch to detect a parking state of a vehicle body, a permission switch constituted of a self-returning switch and connected to the parking switch, the permission switch being configured to be switched to permit driving a PTO shaft, the PTO shaft being configured to be driven by a power of a prime mover disposed on the vehicle body, and a first switch device to be switched to enable the PTO shaft to be driven when the permission switch is switched to permit driving the PTO shaft under a state where the parking switch detects the parking state of the vehicle body.
Manabu Togo, Hiroshi Miyake, Ryuji Kataoka, Tsuyoshi Gono
Filed: 16 Mar 20
Utility
Lever device and working machine having the same
18 Oct 22
A lever device includes a base pedestal, a movable body, a lever, a cam body having a cam groove, a guide pin, and a first biasing member.
Yoichi Nishigori, Satoru Sakuraoka
Filed: 9 Jun 20