1251 patents
Page 19 of 63
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
Hydraulic System for Work Machine
27 Oct 22
A hydraulic system for a work machine, which includes a first hydraulic pump to deliver operation fluid, a second hydraulic pump to deliver pilot fluid, a first hydraulic actuator configured to control flow rate of the operation fluid based on the pilot pressure applied to the pressure receivers, a manual operator configured to operate the first hydraulic actuator, having an operation lever to move toward both directions, operation valves to change pressure of the pilot fluid in accordance with movement of the operation lever, and a discharge fluid tube to drain the pilot fluid from the operation valves.
Yuji FUKUDA, Kazuyoshi ARII
Filed: 8 Jul 22
Utility
Tractor
27 Oct 22
A tractor includes a body, a link mechanism including a link including an end on a side of the body, and a link attachment mechanism to attach the link to an end of the body in a front-back direction, the link attachment mechanism including a shaft with an axis in a left-right direction and supporting the end of the link such that the link is rotationally movable about the axis, at least one support located on the body and supporting the shaft, and a fixing tool to disable or enable movement of the shaft in the left-right direction relative to the at least one support and to allow the shaft to be pulled out of and inserted into the at least one support in the left-right direction.
Shinji Fujimoto, Naoya Okamoto
Filed: 22 Apr 22
Utility
Working Machine
27 Oct 22
A working machine comprises an operation member for operating a hydraulic device via a control valve.
Masahiro TOYAMA, Yuji FUKUDA
Filed: 11 Jul 22
Utility
Work Vehicle and Front Grill of Work Vehicle
27 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: 11 Jul 22
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
Utility
Work Machine Capable of Autonomous Travel
13 Oct 22
An autonomous travel assistant downloads information on the travel control conditions set by a travel control condition setter, and causes a display to show the information on the travel control conditions.
Yasuhiro Manji, Tomohiko Hisakuni
Filed: 13 Dec 21
Utility
Air Intake Amount Measurement Device and Engine
13 Oct 22
An air intake amount measurement device 200 includes an intake distributor 3 distributing intake air CYL to cylinders 11, 12, 13, and 14, a temperature detector 202 detecting a temperature Ti of the intake air CYL, a pressure detector 201 for detecting a pressure Pi of intake air CL, and a computing unit 100 that computes an air intake amount mfcyl of the intake air CYL on the basis of the temperature Ti transmitted from the temperature detector 202 and the pressure Pi transmitted from the pressure detector 201.
Yu SUZUKI, Yuki YOSHITA, Kazuya ISHIDA, Satoshi SHIBATA, Katsunori IKEMACHI, Masayasu TAKAMI, Tomohiro SUZUKI
Filed: 9 Mar 21
Utility
Thermal Cracking Tube with Fluid Agitating Element
6 Oct 22
Motoyuki MATSUBARA, Kunihide HASHIMOTO, Toru SUKAWA
Filed: 21 Jun 21
Utility
Work Vehicle
6 Oct 22
A self-driving work vehicle includes: a front wheel unit; a rear wheel unit including a left rear wheel and a right rear wheel; a variable traveling power supply apparatus that supplies rotational drive power to the left rear wheel and the right rear wheel independently; a left operation implement movable along a first path to adjust a rate of the rotational drive power to be supplied to the left rear wheel from the variable traveling power supply apparatus; a right operation implement movable along a second path to adjust a rate of the rotational drive power to be supplied to the right rear wheel from the variable traveling power supply apparatus; a parking brake provided for the variable traveling power supply apparatus; and a controller configured or programmed to cause a parking brake operating module to operate the parking brake.
Yasuhiro Manji, Tomohiko Hisakuni
Filed: 19 Nov 21
Utility
Mower Unit
6 Oct 22
A mower unit includes: a mower deck including a top plate and a side wall; and a wind-around power transmission mechanism.
Masahiro Yamada, Hirokazu Ito, Makoto Odagiri
Filed: 24 Nov 21
Utility
Work Vehicle
6 Oct 22
A self-driving work vehicle, including: a traveling apparatus; a vehicle body supported by the traveling apparatus on ground; a variable traveling power supply apparatus configured to supply rotational drive power to the traveling apparatus; a travel operation interface configured to adjust a rate of the rotational drive power; a parking brake provided for a transmission shaft of the variable traveling power supply apparatus; a rotation detector configured to detect rotation of the traveling apparatus or the transmission shaft; and a controller configured or programmed to: control the parking brake to a braking state or a non-braking state by a parking brake control module; manage the braking state or the non-braking state as a vehicle body state by a condition management module, the braking state and the non-braking state being operating states of the parking brake.
Yasuhiro Manji, Nozomu Akiyama
Filed: 17 Nov 21
Utility
Work Vehicle
6 Oct 22
A work vehicle according to the present invention includes left and right axle cases of a rigid axle type, and left and right suspension mechanisms movable in the up-down direction relative to body frames and separately supporting the left and right axle cases, respectively.
Masahiro Azuma, Tatsuya Nagatomi
Filed: 17 Jun 22