A load wheel assembly is provided comprising: a frame member; a side plate coupled to the frame member; an axle extending between the frame member and the side plate; and a keeper coupled by a fastener to the frame member or the side plate. The keeper is coupled to one end of the axle to prevent rotational and axial movement of the axle relative to the frame member and the side plate.

An omnidirectional movement system includes a frame with a central axis extending from a first end to a second end; a support extending from the first end to the second end; a first set of Mecanum wheels connected through a first axle and connected to the frame; a second set of Mecanum wheels connected through a second axle and connected to the frame; and a flexible suspension system connecting the frame to the support.

A support roller (30, 30) for supporting a vehicle on an underlying surface, comprising at least one bearing element which is at least indirectly connectable to at least one supporting structure of the vehicle, at least one fork connected to the bearing element, and at least one wheel (90, 90) which is mounted in the fork so as to be rotatable about a first rolling axis (R) and can be brought into contact with the underlying surface, at least one sensing device (190) for sensing at least one supporting force with which the wheel (90, 90) is supported on the underlying surface. A vehicle, in particular an industrial truck, comprising at least one support roller and a method for stabilizing a vehicle.

The present invention discloses a lifting mechanism mounted on a lifting device, wherein the lifting device includes a carrying unit. The lifting mechanism is disposed under the carrying unit, and comprises a driving assembly and a lifting assembly. The driving assembly includes an axle fixing part, a drive wheel and a power source, and the lifting assembly includes a screw nut and a screw rod. An upper end of the screw rod is fixedly connected to the carrying unit. When the lifting mechanism is traveling, each drive wheel is in contact with a base surface and moves the lifting device on the base surface; and when lifting, each drive wheel rotates on the base surface to drive the screw nut to rotate about a vertical axis relative to the carrying unit, to drive the screw rod to lift the carrying unit along the vertical direction.

A lift device includes a base, an arm, a drive actuator, a tractive element, and a steering actuator. The arm has a base end coupled to the base and a tractive element end. The arm includes a steering actuator interface positioned along an exterior surface of the arm. The drive actuator is pivotally coupled to the tractive element end of the arm. The tractive element is coupled to the drive actuator. The steering actuator has a first end coupled to the steering actuator interface and an opposing second end coupled to the drive actuator. The arm includes a plate extending forward of the exterior surface of the arm and past the steering actuator.

A lift device includes a base having a first end and an opposing second end, a first arm pivotally coupled to the first end, a second arm pivotally coupled to the first end, a third arm pivotally coupled to the opposing second end, a fourth arm pivotally coupled to the opposing second end, and a leveling assembly. The leveling assembly includes a first actuator extending between the first arm and the first end, a second actuator extending between the second arm and the first end, a third actuator extending between the third arm and the opposing second end, a fourth actuator extending between the fourth arm and the opposing second end, and a controller configured to control the first actuator, the second actuator, the third actuator, and the fourth actuator to reconfigure the leveling assembly between (i) a shipping, transport, or storage mode and (ii) an operational mode.

A lift device includes a chassis, a first actuator coupled to the chassis, a second actuator coupled to the chassis, a third actuator coupled to the chassis, a fourth actuator coupled to the chassis, and a fluid circuit. The fluid circuit is configured to facilitate selectively fluidly coupling the first actuator, the second actuator, the third actuator, and the fourth actuator in at least four different configurations where, in each of the at least four different configurations, two of the first actuator, the second actuator, the third actuator, and the fourth actuator are fluidly coupled together while the other two of the first actuator, the second actuator, the third actuator, and the fourth actuator are fluidly decoupled.

A device for use in lifting, transporting and installing sheet material has a base, wheels on which the base is supported, a mast that extends upwardly from the base, a carriage that is in engagement with the mast, a supporting head that is mounted to the carriage, and a lifting mechanism to provide support to the carriage in the longitudinal direction of the mast. The wheels include rear wheels that are connected to the rear of the base in a manner that permits steering of the device during movement across a surface, and a front wheel set that is connected to the front of the base. The front wheel set includes a wheel to each side of the device, and the wheels of the front wheel set are rotatable about a common axis. The connection of the mast to the base is such that the mast is rotatable relative to the base about a rotational axis. The device further has an actuator that is operable to change the angular position of the mast relative to the base. The supporting head is configured to support sheet material above the surface.

An omnidirectional movement system includes a frame with a central axis extending from a first end to a second end; a support extending from the first end to the second end; a first set of Mecanum wheels connected through a first axle and connected to the frame; a second set of Mecanum wheels connected through a second axle and connected to the frame; and a flexible suspension system connecting the frame to the support.

The present invention relates to a transport device (100) for receiving one or more module units having machine tool accessory devices and for transporting the one or more received module units to a machine tool (1000) set up on a base surface for use of the machine tool accessory devices of the one or more received module units on the machine tool (1000), wherein the transport device (100) is freely movable on the base surface for positioning the one or more received module units relative to the machine tool (1000), in particular within a region in front and/or next to the machine tool (1000) and/or in front and/or next to a working space of the machine tool (1000).