A mobile elevating work platform includes a chassis and fixed wheels, caster wheels, and a driving and steering wheel secured to the chassis. A control implement coupled with the driving and steering wheel is configured to adjust a steering position of the driving and steering wheel. A drive motor is operable to drive the driving and steering wheel. A platform may be raisable and lowerable with a mast assembly. The control implement may be adjustable to accommodate operator physical characteristics.

A wheel steering system includes a steering device arranged on a steerable wheel, a signal execution device and a steering angle control device. The steering device includes a wheel support rotatably connected to a chassis by a slewing bearing, a bottom of the wheel support is rotatably connected to two ends of a rotary shaft of the steerable wheel, and the wheel support is configured to drive the steerable wheel to turn by 360 degrees through the slewing bearing. The signal execution device is configured to control an angle of rotation of the steerable wheel driven by the slewing bearing. The steering angle control device includes a plurality of reciprocating switch rotors, and the plurality of switch rotors are configured to send electrical signals of steering angles to the signal execution device.

The invention relates to an axle support, also referred to as a subframe, for a motor vehicle, having at least two longitudinal members, at least one cross member joining together the longitudinal members, at least two attachment points for attaching a steering gear housing to the axle support and a device for positioning the steering gear housing on the axle support prior to mounting of the steering gear housing on the axle support. In order for such an axle support to offer a cost-effective and rapid positioning of a steering gear housing, the device for positioning the steering gear housing according to the invention has at least two mounts, one mount of which being attached to one of the longitudinal members and/or the cross member and another mount of the mounts being attached to another of the longitudinal members and/or the cross member, wherein the respective mount has at least two indentations for receiving positioning protrusions provided on the steering gear housing.

A wheel drive module (1) is provided for driving and steering a wheel (30), comprising the wheel (30), a first drive motor (11), a second drive motor (21), and a transmission. The wheel (30) can be driven and steered simultaneously by the first drive motor (11) and the second drive motor (21) via the transmission, wherein a first motor shaft (12) for driving the transmission extends from the first drive motor (11) in a first motor shaft direction (12′), a second motor shaft (22) for driving the transmission extends from the second drive motor (21) in a second motor shaft direction (22′), the first motor shaft direction (12′) and the second motor shaft direction (22′) are opposite each other, and the first drive motor (11) and the second drive motor (21) extend parallel to the first and second motor shaft directions (12′, 22′) over a common overlap section (Ü).

A steering wheel structure for an omnidirectional mobile robot chassis is provided. The steering wheel structure can realize two degrees of freedom: the rudder rotation of the steering wheel rotation and the full free movement realized in the horizontal plane, it has the characteristics of a small size and a lower height. The wheel assembly realizes the movement of the steering wheel when it moves forward; the rudder assembly realizes the movement of the steering wheel when the steering wheel rotates, initializes the steering direction, and calibrates the rotation through the zero position sensor; the suspension assembly realizes the damping and buffering of the longitudinal motion of the steering wheel; the wiring assembly constrains the movement of various wires when the rudder rotates; the support plate is used for the connection and support of the wheel assembly and the wiring assembly with the rudder assembly.

An apparatus for transporting a load is described, including: a body including a part or portion for engaging with or connecting to a load to be transported; a ground-engaging device supporting the body, the ground-engaging device for effecting movement of the body over a surface; a transmitter module; a receiver module; and a controller for communicating with the transmitter and receiver modules and the ground engaging device and for receiving status signals from components and/or devices of the apparatus, wherein the controller is capable of conducting a check as to the status of the components and/or devices of the apparatus, and after completing said check to provide an “apparatus operative” or “apparatus non-operative” signal to the transmitter module, wherein the transmitter module is configured to transmit the “apparatus operative” or “apparatus non-operative” signal to a receiver module of one or more other apparatus and to its own receiver module.

The invention relates to a load-carrying vehicle part with a first and a second wheel pair (10, 11), which are suspended in a respective bogie element (20) on each side of a frame member (14), a suspension (15) between each bogie element (20) and the frame member (14) on each side of the vehicle part to manipulate the frame member relative to the respective wheel pairs (10, 11), or support the frame member in a springing manner, each suspension (15) comprises a first and a second rocker arm (26A, 26B), wherein the first rocker arm is located in front of the second rocker arm viewed in the normal forward direction of driving of the vehicle part, that each rocker arm (26A, 26B) with its one end is pivotably in a joint (27, 27) in the frame member (14) and with its other end is pivotably in a joint (28, 28) in the bogie element (20) a first spring leg (25A) and a second spring leg (25B), wherein each spring leg with its one end (30) is articulately fastened to the frame member (14) and with its other end (31) is articulately fastened in a rocker arm (26A, 26B), a motion conversion arrangement (29) capable of converting a rotary motion in a joint (27, 28) for one of the rocker arms (26A, 26B) to a forward and backward translation motion.

The invention relates to a load-carrying vehicle part with a first and a second wheel pair (10, 11), which are suspended in a respective bogie element (20) on each side of a frame member (14), a suspension (15) between each bogie element (20) and the frame member (14) on each side of the vehicle part to manipulate the frame member relative to the respective wheel pairs (10, 11), or support the frame member in a springing manner, each suspension (15) comprises a first and a second rocker arm (26A, 26B), wherein the first rocker arm is located in front of the second rocker arm viewed in the normal forward direction of driving of the vehicle part, that each rocker arm (26A, 26B) with its one end is pivotably in a joint (27, 27) in the frame member (14) and with its other end is pivotably in a joint (28, 28) in the bogie element (20) a first spring leg (25A) and a second spring leg (25B), wherein each spring leg with its one end (30) is articulately fastened to the frame member (14) and with its other end (31) is articulately fastened in a rocker arm (26A, 26B), a motion conversion arrangement (29) capable of converting a rotary motion in a joint (27, 28) for one of the rocker arms (26A, 26B) to a forward and backward translation motion.

The multiple maneuvering systems for various applications includes several embodiments of wheeled, multiple maneuvering systems including multiple parallel maneuvering systems (MPMS). Each MPMS includes two or more parallel maneuvering units (PMUs) attached to one another by a connecting structure. Each PMU includes two or more powered or non-powered wheels, with the wheels being maintained parallel to one another by a steering mechanism. The steering mechanism may include gears, belt and pulley, chain and sprocket, or a rigid linkage. The connecting structure may be rigid, linearly adjustable, rotatable adjustable or both linearly and rotatable adjustable. The adjustable connecting structures allow for relative movement between the PMUs, while maintaining a load support surface(s) of the MPMSs.

A steering control unit and to a method of controlling the steering of a multi-unit vehicle is provided, the vehicle having a plurality of vehicle parts movably connected to one another and a plurality of steerable axle units. A first axle control unit is in conjunction with a first steerable axle unit and at least one second axle control unit is in conjunction with at least one second steerable axle unit. The steering control system has a central control module that is connected to the axle control units via a common data line for exchange of steering angle data. The axle control units have data interfaces for communication via the data line. The data interfaces transfer mutually identical data formats, whereby the steering control system is set up in a modular manner with a variable number of axle control units that can be integrated.