254results about "Hand levers" patented technology

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 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 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.

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.

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.

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 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.

A zero turning radius mower park brake system includes a pair of steering levers attached to steering arm brackets that are pivotable forward and reverse on a first axis for rotating a pair of traction drive wheels in forward or reverse, and pivotable outwardly on a second axis while in a neutral position. A wire cable connects each steering arm bracket to a park brake. The wire cable retracts sufficiently to actuate the park brake when the steering arm bracket is pivoted outwardly on the second axis, but does not actuate the park brake when the steering arm bracket it pivoted forward or reverse. At least one spring provides a force urging the park brake into engagement when the steering arm pawls to park brake engaged position.

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.

The present invention relates to a steer-by-wire steering system (1) for a motor vehicle, wherein a steering control element (2) can be moved between two stops starting from a central position. The steer-by-wire steering system (1) is designed to sense a steering angle introduced into the steering control element (2) and a steering torque introduced into the steering control element (2), as a steering specification, and a wheel steering adjuster (3) is designed to convert a sensed steering specification into a wheel steering angle of steerable wheels (8). The steer-by-wire steering system (1) is further designed to determine the steering specification by evaluating the sensed steering angle, during movement of the steering control element (2) between the stops, and to determine the steering specification by evaluating the sensed steering torque, once one of the stops has been reached. The invention further relates to a method for operating a steer-by-wire steering system (1) in a motor vehicle, wherein a steering angle introduced during movement of the steering control element (2) between a first stop and a second stop is sensed as a steering specification, and wherein a steering torque introduced once one of the stops has been reached during movement of the steering control element is sensed as a steering specification.

An integrated operation apparatus for an autonomous vehicle, includes a joystick lever used to accelerate, decelerate, and steer the vehicle, an acceleration and deceleration actuator module and a steering actuator module each include a position sensor module to generate signals related to the acceleration, deceleration, and steering of the vehicle when the joystick lever module is operated, and a torque sensor module is used to feedback control a steering motor during steering operation, realizing more precise steering sensation.

The steering system comprises a steering control mechanism and a connecting support, the steering control mechanism is connected with the upper end of the connecting support, and the lower end of the connecting support is connected with a steering sensor through a rotary supporting bearing. The outer side of the supporting pivotal bearing is connected with a mounting base used for supporting the supporting pivotal bearing, the steering sensor is a variable damping sensor, and the method comprises the following steps that 1, a forklift driving speed signal is obtained; step 2, calculating an input current signal of a steering sensor; step 3, generating rotation damping; 4, the driver rotates a steering control mechanism; and 5, the steering wheels are controlled to rotate through the rotating angle of the steering sensor, and forklift steering is completed. According to the forklift steering control method, the steering sensor with the variable damping is arranged, the forklift speed of the forklift is associated with the steering hand control force of a driver on a steering system, and the steering control force of the forklift is changed along with the change of the running speed of the forklift.

The utility model discloses an electric piling car, and belongs to the technical field of loading and unloading carrying equipment, the electric piling car comprises a handle steering system, the handle steering system comprises an upper seat, a gas spring and a lower seat, the lower end of the gas spring is mounted on the lower seat through a rotating shaft, the upper end of the gas spring is a spherical structural member, and the spherical structural member is mounted in the upper seat; the spherical structural part can rotate in the upper seat when being stressed, an adjusting bolt is mounted at the top of the upper seat, the bottom of the adjusting bolt extends into the upper seat to act on the spherical structural part, and the force applied to the spherical structural part by the adjusting bolt is changed by rotating the adjusting bolt. The structure of the handle steering system is optimized, so that the structure is simple and convenient and operation is flexible.

A drive control system and a utility vehicle incorporating the drive control system. The drive control system may include first and second drive control levers each adapted to independently control an output of an associated drive member. A coupler is interposed between the drive control levers and is configured to provide a synchronizing force. The synchronizing force may cause movement of one drive control lever to produce corresponding movement of the other drive control lever, thereby allowing straight-line vehicle travel via operator input to a single drive control lever. The synchronizing force may be overcome by application of independent forces to each of the two drive control levers.

The invention provides a flexible and reliable heavy-load medical trolley which comprises a trolley body, a handle, trundles, a steering mechanism, a brake mechanism and a stable lifting mechanism. The steering mechanism adopts a gear-chain transmission system, all the trundles of the trolley are synchronously controlled to steer synchronously through steering of a hand control handle, and the steering control precision and synchronism of the multiple trundles of the medical trolley are improved; the brake mechanism adopts a connecting rod transmission system, the brake assembly is controlled to move up and down and rub with the ground for braking by stepping on a pedal, the operation action is simple and labor-saving, the trundles are effectively protected from being damaged, and the medical trolley is enabled to start, stop and brake quickly and safely in a labor-saving manner; the stable lifting mechanism is used for controlling the medical trolley to stably load equipment and controlling the equipment to lift; the above structures cooperate to jointly improve the control precision of the heavy-load medical trolley, reduce the control difficulty of the heavy-load medical trolley, and improve the moving flexibility, precision and reliability of the heavy-load medical trolley.