A work vehicle comprising: a drive wheel unit that is provided in a vehicle body and is configured to be driven by a travel drive mechanism; a work unit that is provided in the vehicle body and is configured to perform work on a work target; a battery provided in the vehicle body; a motor that is configured to receive electric power from the battery and drive the work unit; an inclination sensor configured to detect an inclination of the vehicle body relative to a horizontal plane; and a first captured image acquisition unit configured to acquire a captured image that shows surroundings of the vehicle body when the work is being performed.

A lift detection arrangement in a robotic lawnmower for detecting a lift of a body of the robotic lawnmower relative to a chassis of the robotic lawnmower. The lift detection arrangement includes a collision absorber; and a sensor arrangement including a spring, a movable part, a metal plate and a sensor. The collision absorber is screwed to two plastic parts and arranged to allow a displacement of the body relative to the chassis in a collision plane during a collision between an obstacle and the robotic lawnmower, but not in a vertical direction. The moveable part is arranged to provide a displacement of the body relative to the chassis in a lift direction during a lift of the body. The sensor is configured to sense the distance to the metal plate that is fixed to the moveable part and to trigger a cut off of power to a cutting blade of the robotic lawnmower if the distance becomes greater than a predetermined distance.

A lawn mower includes a seat plate movably coupled to the frame. An operator seat is coupled to the seat plate. An armrest is laterally spaced from the operator seat and includes an elongated support, an arm support surface, and a control panel. The elongated support has a first end fixed to the seat plate and a second end. The arm support surface is coupled to the second end and can support a user's arm. The control panel is positioned between the arm support surface and the second end of the elongated support. The control panel is fixed to the elongated support for movement with the seat plate such that the control panel remains stationary relative to the seat plate. The control panel includes an actuator to control a function of the lawn mower. The actuator is configured to be actuated while the user's arm is on the support surface.

This invention relates to a system of lawn mowing and caring services. It comprises a lawn profile data information management system having lawn profile data stored therein; at least one mobile device for registered users, which communicates wirelessly with the lawn profile data information management system for requesting services; and at least one robotic lawn mower or lawn robot which works with the mobile device to acquire requisite lawn profile data from the lawn profile data information management system for the services before the robotic lawn mower or lawn robot can perform the requisite mowing or caring services on the specific piece of lawn.

A riding grass mower includes a driver seat 11 in a travel chassis 10, a mower deck 30 supported by the travel chassis 10, a rotary blade 20 in a glass-cutting space defined by side wall and a top plate 31 of the mower deck 30, a blade motor 4 configured to supply motive power to the rotary blade 20, and a blade motor control unit 55 configured to control the blade motor 4. The blade motor control unit 55 includes a main drive control unit 55a configured to rotate the rotary blade 20 forward, an auxiliary drive control unit 55b configured to rotate the rotary blade 20 backward, and a drive selection unit 55c configured to selectively operate the main drive control unit 55a and the auxiliary drive control unit 55b at a start of mowing with use of the rotary blade 20.

An agricultural harvester has a frame and a spout that is mounted to the frame. A target landing point indicates a position in a receiving vehicle where material is intended to land. A control system detects an actual landing point and automatically controls the spout based on a difference between the actual landing point and the target landing point.

A walking mechanism for driving a machine body includes a walking wheel group having a plurality of walking wheels attached to the machine body, with two front and two rear wheels relative to a traveling direction. The machine body has two sides with a pair of one of the front wheels and a one of the rear wheels being respectively located on each of the sides and driven to rotate synchronously. Each walking wheel includes an auto tire casing with a tread outer side having a tread pattern distributed along a circumferential direction of the auto tire casing. The tread pattern is configured as a plurality of tread ribs with a respective tread groove formed between each adjacent pair of the tread ribs, the tread pattern radiating outward from an axial center of the walking wheel. A related robot and self-walking mower are also disclosed.

A method and a system for controlling a self-propelling lawnmower including the self-propelling lawnmower having a control unit and at least one sensor, a boundary wire and a signal generator. The self-propelling lawnmower moves across an area surrounded by the boundary wire. By encoding a data frame with a recognition code in an alternating current that is Direct Current, DC-balanced and that is randomly transmitted within a predetermined period of time, by means of the signal generator, to the boundary wire a system robust against interference is accomplished. The data frame burst is received by a sensor and decoded by a control unit in the lawnmower. By comparing the received recognition code with a stored recognition code, the control unit determines that the lawnmower is on the inside of the boundary wire if the received recognition code matches the stored recognition code, and on the outside if the received recognition code matches the inverse of the stored recognition code.

Described herein are self-propel accessories for walk behind/push-driven machines/devices comprising: drive assembly motor(s) operatively connected to at least one power supply; at least one drive assembly for imparting drive from the drive assembly motor(s) to at least one accessory wheel assembly that is operatively connected to an output shaft of the drive assembly motor(s) and one of an axle or a drive engagement surface of the at least one accessory wheel assembly having accessory ground engagement wheel(s) coupled to at least one end of the axle for rotation therewith; a controller for the drive assembly motor(s) having an actuator for engaging the drive assembly motor(s); and an attachment assembly for coupling the drive assembly motor(s), the at least one drive assembly and the at least one accessory wheel assembly to a housing of the push-driven machine or device in place of a wheel assembly/sub-assembly of the push-driven machine or device.

A cutting system includes knives attached to a continuously moving belt-type carrier. The carrier motion moves the knives past stationary counterknife fingers which are attached to or uniform with a cutterbar, as the cutting system is driven through a field of crop stalks, which are cut by the interaction between the knives and counterknives. One or more sensing devices produce signals or images related to the condition of the knives when the knives are moving past the sensing devices. A processing unit processes the signals or images and derives therefrom one or more parameters representative of the condition of the knives, and compares the parameters to a reference, to thereby monitor the condition. An agricultural implement such as a combine harvester, can be equipped with the cutting system.