342results about "Hand levers" patented technology

A riding lawn care vehicle is provided that includes a steering assembly including control levers that are independently movable to control respective motors to drive wheels and steer the riding lawn care vehicle in a direction of travel. The riding lawn care vehicle includes processing circuitry configured to implement a straight-line tracking in which the processing circuitry is configured to track the direction of travel of the riding lawn care vehicle. The processing circuitry is configured to perform a comparison of the direction of travel with a set direction to determine an alignment of the riding lawn care vehicle that indicates whether the riding lawn care vehicle is maintaining a straight line in the set direction. And the processing circuitry is configured to cause at least one output device to provide feedback that conveys the alignment of the riding lawn care vehicle to an operator.

A steering wheel includes a boss portion disposed at a rotation steering center side, a grip portion disposed around the boss portion, and an operation lever portion disposed between the boss portion and the grip portion. The operation lever portion is pivotally supported by a rotation shaft portion provided close to the boss portion, and is configured to allow a press-down operation and a pull-up operation while the grip portion is gripped. A press-down operation surface of the operation lever portion is disposed along a grip surface being an upper surface of the grip portion, at a side separated from the rotation shaft portion and close to the grip portion, between the grip surface and an upper surface of a pad covering an upper surface of the boss portion. The rotation shaft portion is disposed above a lower end surface of the grip portion to be covered with the pad.

A bracket system including a bottom bracket portion and a top bracket portion is disclosed. The bottom bracket portion may include a bottom arc-shaped member, and the top bracket portion may include a top arc-shaped member. The top bracket portion may be configured to attach with the bottom bracket portion via one or more fasteners. Further, the top arc-shaped member may include an L-shaped bracket member disposed at a top arc-shaped member's center portion. The top arc-shaped member may be configured to attach with an external elongated shaft via the L-shaped bracket member.

A vehicle control method, a multi-purpose vehicle, and a garden work vehicle, capable of ensuring an accurate response to a manipulation intention of a user, and optimizing user experience. The multi-purpose vehicle comprises a driving mechanism, a manipulation mechanism, and an auxiliary control mechanism. The auxiliary control mechanism comprises: a manipulation state sensing assembly, used for determining a manipulation state of a user for the manipulation mechanism, the manipulation state comprising a linear manipulation state and a non-linear manipulation state; a running state sensing assembly, used for determining a running state of a multi-purpose vehicle, the running state comprising a linear running state and a non-linear running state; and a calibration controller assembly, used for determining, when the running state does not match the manipulation state, that the multi-purpose vehicle is abnormally running, wherein the calibration controller assembly is further used for adjusting an operating state of the driving mechanism after determining that the multi-purpose vehicle is abnormally running, so as to enable the running state to match the manipulation state.

A control system for a four-wheel independent steering system includes at least one sensor configured to detect at least one of a shift position of a joystick, mounted on the four-wheel independent steering system, or a driving speed of a vehicle, and a position controller configured to control a position of the joystick based on sensing data detected by the at least one sensor.

A steering operation input device (1) and a steer-by-wire steering device (SD) according to the present invention include: an operating unit (5) that is steered when a steering operation input member (31) imparts a steering angle to wheels (WL) (WR) of a vehicle; and a fixed unit (6) that is fixedly provided in a position different from that of the operating unit (5) and that comes into contact with an operating hand (H) of a driver during an action of the driver to operate the operating unit (5). As a result, when operating the operating unit (5), a difference in displacement between the operating unit (5) and the fixed unit (6) can be felt in the contacting part by touching the operating unit (5) and the fixed unit (6) simultaneously, and a frictional force between the operating unit (5) and the operating hand (H) can be adjusted, making it easy to perform fine adjustment of the steering angle, such as increasing or decreasing the amount of turn, thereby improving the operability of the steering operation input device (1).

A control arm for a lawn mower, the control arm including a lower arm having a slot defined therein, an upper arm pivotably coupled to the lower arm, the upper arm having a cam surface defining a first recess and a second recess, and a latch mechanism formed between the upper and lower arms to selectively secure the upper arm in an operational position or a stored position. The latch mechanism includes a rod supported and movable within the slot, and a biasing member configured to bias the rod into engagement with the first recess to secure the upper arm in the operational position or the second recess to secure the upper arm in the stored position.

The present invention relates to a safety steering device for manual intervention by a safety driver in an autonomous vehicle or a vehicle with a driver assistance system. The safety steering device comprises a control unit and a joystick operable by the safety driver, from which a steering intervention signal can be transmitted to the control unit, wherein the steering intervention signal overrides an autonomous steering signal. A safety control element is arranged on the joystick, which, when activated by the safety driver, generates a release signal to enable the transmission of the steering intervention signal to the control unit.

Provided are a vehicle control method, a multi-purpose vehicle, and a garden work vehicle. The multi-purpose vehicle includes a drive mechanism, a control mechanism, and an auxiliary control mechanism. The auxiliary control mechanism includes: a control state sensing component, configured to determine a control state of a user with respect to the control mechanism; a traveling state sensing component, configured to determine the traveling state of the multi-purpose vehicle, the traveling state including a straight-line traveling state and a non-straight-line traveling state; and a calibration controller component, configured to determine that the multi-purpose vehicle is traveling abnormally in response to a mismatch between the traveling state and the control state. The calibration controller component is further configured to adjust, in response to determining that the multi-purpose vehicle is traveling abnormally, the operating state of the drive mechanism to match the traveling state with the control state.

There is provided a work machine allowing a steering operation device to be enhanced in reliability. The steering operation device includes a joystick, a first electric lever, and an input unit. The joystick receives an operator's operation. The first electric lever includes a first main body unit and a first lever unit tiltable with respect to the first main body unit, and outputs a tilt angle of the first lever unit with respect to the first main body unit. The input unit inputs an input to the first lever unit of the first electric lever to tilt the first lever unit with respect to the first main body unit of the first electric lever. The input unit has an elongated hole extending in the frontward / rearward direction. The first lever unit is disposed in the elongated hole.

The invention relates to the technical field of aerial work equipment, in particular to an aerial work platform and a traction walking control method thereof. The power unit is fixedly arranged in the middle of the chassis; the auxiliary walking mechanism is connected with the chassis through a bolt, a first connecting piece and a self-lubricating shaft sleeve; the control oil cylinder acts to realize the angle swing of the coupling auxiliary wheel; the supporting legs are arranged on the periphery of the chassis, and supporting leg oil cylinders and supporting leg control valves are arranged on the supporting legs. The problem that a dragging type aerial work platform is difficult to move in a working place is solved, so that the labor intensity of an operator is relieved, and the purpose of walking freely is achieved.

A wireless network, systems and methods, wherein each passenger-carrying rideable vehicle deployed in the system includes: a modular construction consisting of a lightweight body driven by an electric-battery driven motor, and specially adapted for receiving a customizable ornamental body having the appearance and personality of a particular or an inanimate object; motorized and / or animated elements disposed beneath the animal character skin covering for enabling animal behaviors and / or expressions that promote a fun and entertaining ride experience; an audio-transducers mounted within the animal character body for playing music from smartphone applications and animated animal character body portions to provide a sense of realism and excitement as the electric entertainment vehicle is ridden through an amusement facility.

To facilitate operation for positioning a vehicle body in a work machine.SOLUTION: The prevent invention is a system for controlling a work machine, and the work machine includes a vehicle body and a work implement. The work implement is attached to the vehicle body. The system includes a controller. The controller acquires a design line extending on a landform to be constructed. The controller determines a line obtained by linearly extending the design line as a target line. The controller executes traveling alignment control for automatically steering the work machine so that a traveling reference point of the vehicle body is along the target line during traveling of the work machine.SELECTED DRAWING: Figure 7

A ground maintenance vehicle that includes: front steering wheels; rear drive wheels; a frame with a first and second pivot point; a single lever steering assembly with a single lever steering control, where the single lever steering assembly is coupled to the first pivot point; multi-axis articulating joint coupled to the second pivot point; a front caster steering assembly coupled to the multi-axis articulating joint; and where the front caster steering assembly and the multi-axis articulating joint simultaneously provide articulating and caster steering proportional to lateral movement from the single lever steering control.

A steering wheel (3) for a motor vehicle (1) has a steering wheel rim (6) and a first control element (11a, 11b), which is designed as part of the steering wheel rim (6) and is rotatable about a first axis of rotation (13) that is parallel to a direction of rotation of the steering wheel rim (6) around a center (8) of the steering wheel (3). The steering wheel (3) has a switching device for controlling at least one motor vehicle function, wherein the switching device is coupled to the first control element (11a, 11b) such that a switching state of the switching device can be changed by a rotation of the first control element (11a, 11b) about the first axis of rotation (13).

The utility model relates to a mower and a steering mechanism. The mower comprises a frame, a seat, a header, a power mechanism, a battery pack and the steering mechanism, the steering mechanism comprises a pivot seat and a steering rod, shaft holes are formed in the pivot seat and the steering rod along a second axis, a rotating shaft jointly penetrates through the shaft holes of the pivot seat and the steering rod, and at least one end of the rotating shaft is provided with a nut to limit the rotating shaft to be located in the shaft holes of the pivot seat and the steering rod. The rotating shaft penetrates through a disc spring which enables the pivoting base and the steering rod to abut against each other. The disc spring is additionally arranged at the joint of the steering rod and the pivoting seat, and the disc spring is small in axial occupied volume and has the volume advantage of being convenient for space planning; meanwhile, a gap between the steering rod and the pivoting seat is eliminated due to the disc spring, so that the steering rod does not have idle stroke when being poked by a user to rotate back and forth, and the discomfort of damping sudden change caused by the idle stroke is not felt.

The invention discloses a novel steering structure of an energy-saving prototype vehicle and the vehicle. According to the steering structure, a rotating base is movably connected to a portal frame of the prototype vehicle through a third fastener and can rotate around the third fastener; the steering rod comprises a transverse rod and a vertical rod which are vertically connected with each other, the transverse rod is an operating rod, and the vertical rod is rotatably connected with one end of the rotating base through a first fastener; the left steering knuckle assembly and the right steering knuckle assembly are the same in structure and are symmetrically arranged on the left side and the right side of the other end of the rotating base. The left steering knuckle assembly and the right steering knuckle assembly each comprise a steering pull rod and a steering knuckle, the two ends of each steering pull rod are movably connected with the rotating base and the corresponding steering knuckle respectively, and the steering knuckles are movably connected with the frame. During steering, the steering rod is operated to horizontally move left and right, the rotating base is driven to rotate around the third fastener, the rotating base drives the steering pull rod to move left and right, the steering knuckle is pushed to rotate on the vertical face, and the wheels are driven to steer. The steering mechanism is simple in structure and convenient to use, and the steering mechanism of the energy-saving prototype vehicle is simplified and easy to control.

The utility model relates to a multifunctional operation vehicle and a multifunctional garden vehicle. The multifunctional operation vehicle comprises a frame, a battery pack, a functional mechanism and an input unit, the battery pack is used for supplying power to the multifunctional garden operation vehicle; the functional mechanism is used for executing specific functions of the multifunctional garden vehicle; the input unit is configured on the active steering assembly and used for a user to input to-be-verified information, and the to-be-verified information comprises a password and / or collected user biological characteristic information; the active steering assembly may be at least one of a garden work vehicle steering wheel and / or a steering lever. Unlocking is achieved through the input unit arranged on the active steering assembly, the hand always holds the control handle or is kept near the control handle in the unlocking process, a vehicle can be controlled through the active steering assembly at any time, and the safety risk caused by the fact that the active steering assembly is disengaged from the hand is avoided.

An integrated control apparatus for an autonomous vehicle is configured to perform acceleration, deceleration and steering operations of a vehicle by manipulating a joystick lever. Upon steering operation, feedback control for a steering motor is performed using a torque sensor module 800 to realize more precise steering feeling. A sensor configured to detect acceleration or deceleration position of the joystick lever and a sensor configured to detect a steering position of the joystick lever share a single position sensor PCB.

A vehicle steering assembly for controlling movement of a vehicle having independently rotatable left and right ground-engaging traction elements. The steering assembly comprises a steering handle and a steering controller positioned generally below the steering handle and actuated by movement of the steering handle. The steering handle includes an upright shaft and a laterally-extending crossmember fixed to the top of the upright shaft. A flexible protective cover is attached to the shaft and is configured to prevent dirt and debris from entering the steering controller. The steering handle is shiftable in forward and rearward directions to thereby cause corresponding forward and rearward rotation of both of the left and right traction elements. The steering handle is rotatable in clockwise and counterclockwise directions to thereby cause a change in the relative speeds and directions of rotation of the left and right traction elements.

The utility model relates to a multifunctional operation vehicle and a multifunctional garden vehicle, which comprise a frame, a functional mechanism and an active steering assembly, the functional mechanism comprises a garden operation part and a walking assembly; the active steering assembly is operably coupled to a walking assembly of the multifunctional garden vehicle and used for enabling driving wheels on the two sides to generate a rotating speed difference so as to achieve steering of the garden vehicle. The active steering assembly is provided with a display screen capable of being disassembled without a tool. The display screen on the vehicle is configured to be of a structure capable of being disassembled without tools, at the moment, the display screen can be carried to any position after being disassembled by a user, function setting can be carried out on the display screen at any time, and when the vehicle needs to be operated, only the display screen needs to be assembled on the vehicle again, and operation is convenient. The garden vehicle reads the set functions and operates according to the preset functions, and the technical problem that in the prior art, setting can only be conducted at the position of a mower is solved.

This steering mechanism for steering a pair of front wheels (10) of an electric mobility vehicle is configured to be capable of steering an inner wheel and an outer wheel such that a steering angle difference between an inner wheel steering angle, which is the steering angle of the inner wheel, and an outer wheel steering angle, which is the steering angle of the outer wheel, when the inner wheel steering angle is a second angle, which is any angle in a range of 90° or more, is at least five times the steering angle difference when the inner wheel steering angle is a first angle, which is any angle in a range of 40° to 45°.

This invention relates to the field of tractor technology, and more particularly to a tractor applicable to multiple operating scenarios, comprising: a vehicle body, a control assembly, a traction connection assembly, a drive assembly, and a control assembly; the control assembly includes: a connector detachably connected to the vehicle body; an operating assembly rotatably mounted on the connector; a front wheel assembly rotatably mounted below the connector; and an adjustment assembly located below the operating assembly for switching between an integrated connection between the operating assembly and the vehicle body or an integrated connection between the operating assembly and the front wheel assembly; enabling the operating assembly to directly control the vehicle body or directly control the front wheel assembly; by changing the connection relationship between the operating assembly and the vehicle body or the front wheels through the adjustment assembly, the tractor can adapt to different working conditions, enabling multi-working-scenario applications of the tractor, and allowing the operator to flexibly adapt to different working conditions to achieve the optimal operating mode.

Joystick (1) comprising a base part (10) and a grip part (20). The base part (10) has a first shaft (12, 13) arranged for rotation around a first axis (x). The grip part (20) comprises a control shaft (21) which is connected to the first shaft (12, 13). The grip part (20) is, when operated by a user, arranged to rotate the control shaft (21) around the first axis (x) wherein the first shaft (12, 13) rotates around the first axis (x). The joystick (1) further has a friction control device (30), arranged to cause friction between the friction control device (30) and the first shaft (12, 13), and comprises an open ring (31) arranged around the first shaft (12, 13), and a clamping spring (32) arranged around the open ring (31) for pressing the open ring (31) towards the first shaft (12, 13). The clamping spring (32) is arranged in the joystick (1) so that the spring (32) is prevented from rotating with the first shaft (12, 13).

A zero turning radius mower park brake system 100 includes a pair of steering levers (101, fig 1) attached to steering arm brackets 102 that are pivotable forward and reverse on a first axis 112 for r

A printed material such as an operation manual is located such that an operator can easily know where the printed material is and that the printed material does not interfere with manipulation. The disclosed art includes: a machine body (2); an operator's seat (6) mounted on the machine body (2) and including a seat part (6A) and a backrest part (6A); a manipulator base (88) disposed on a lateral side of the operator's seat (6); and a housing body (101) for housing a printed material therein, and the housing body (101) is disposed forward of the backrest part (6B) and on the opposite side of the manipulator base (88) from the operator's seat.

A steering mechanism that steers a pair of front wheels (10) of an electric mobility vehicle, wherein the steering mechanism is capable of steering an inner wheel and an outer wheel such that a steering angle difference between an inner wheel steering angle and an outer wheel steering angle when the inner wheel steering angle is a second angle which is within a range of 90° or greater is at least five times the steering angle difference when the inner wheel steering angle is a first angle which is within a range of 40° to 45°, wherein the inner wheel steering angle is a steering angle of the inner wheel and the outer wheel steering angle is a steering angle of the outer wheel.

A work machine includes a vehicle body, traveling wheels, a steering member, an actuator, and a controller. The steering member is operable in a left steering range, a right steering range, and a neutral range. In a case where the steering member is located in the neutral range, the actuator sets a steering angle of the traveling wheels to a predetermined neutral angle. The actuator changes the steering angle from the neutral angle to left and right, in accordance with an operation of the steering member. When the steering member is operated from the left steering range or the right steering range to the neutral range, the controller determines whether the steering angle returns to the neutral angle. The controller determines a traveling direction of the vehicle body at a time when the steering angle returns to the neutral angle as a target direction. The controller controls the actuator so that the traveling direction of the vehicle body is maintained on the target direction.