A lift truck comprises a chassis (1) movable on wheels (2) and a rotating platform (3) which supports an operating arm (4); stabilizing means are provided for resting on the ground and positioned at the front as well as at the back. The stabilizing means consist of two pairs of two telescopically extensible arms (5), each one comprising a first segment (6) and a second segment (7). The arms (5) have their ends hinged to opposite sides of the chassis (1), so as to swivel about parallel axes, and have the opposite free ends intended to lean against the ground by means of plates or stabilizing feet (8). The two arms (5) of each pair are arranged side by side at a short distance from each other on parallel planes and are individually bound to the chassis (1) by means of hydraulic cylinders (11). Control means are provided to control at least the return movements of each pair of arms (5) to a folded, contracted configuration, according to a predetermined sequence which provides that, for each single arm (5), full retraction of a respective second segment (7), at least for a predetermined portion of the final part of its return stroke, is carried out only after that the first segment (6) of the other arm (5), belonging to the same said pair of arms (5), has reached a final folding position.

A stabilizer arrangement for mobile apparatus such as an access platform having a chassis with a functional component movably mounted thereon for movement between a rest position and a use position, comprises a stabilizer member movably mounted with respect to the chassis and having a ground-engaging portion, the stabilizer member being movable between a retracted condition in which the ground-engaging portion does not engage the ground and a deployed condition in which the ground-engaging portion engages the ground, the stabilizer member and functional component being mechanically interconnected such that, in use, initial functional movement from the rest position of the functional component relative to the chassis causes movement of the stabilizer member from the retracted condition to the deployed condition.

A two-post vehicle lift system includes first and second posts extending longitudinally upwards from a floor. First and second carriages are slidably engaged with the first and second posts respectively. First and second swing arms are pivotally attached to the first carriage. Third and fourth swing arms are pivotally attached to the second carriage. First, second, third and fourth swing arm platforms are engaged with the first, second, third and fourth swing arms respectively. Each swing arm platform is positionable radially relative to its engaged swing arm. An adapter system is engageable with at least one swing arm platform and operable to be positioned to engage and lift a material handling vehicle. The adapter system includes one of a low profile adapter with a height adjustment mechanism, a low profile adapter with an outrigger arm capture mechanism, and an extended profile adapter with an outrigger arm capture mechanism.

A method of operating a construction machine that includes a base, support arms each pivotally coupled to the base, and a plurality of wheel assemblies each coupled to the one of the support arms, the method including, in a transport mode of the construction machine, turning a wheel of each of the wheel assemblies, independently from a wheel of another of the wheel assemblies, to a toe out orientation. The method also includes driving each support arm to a deployed condition of the support arm in an operational mode of the construction machine. Driving each support arm to the deployed condition causes the distal ends of each of the support arms to move away from one another and outwardly from the base. The method also includes locking each support arm in the deployed condition and controlling steering of each wheel in the operational mode of the construction machine.

A battery transfer device having a base, a plurality of multidirectional rollers coupled to the base, and a winch coupled to the base. Each of the rollers is configured to rotate about at least a first axis and a second axis that is positioned at an angle with respect to the first axis. The winch has a cable or rope configured for coupling to a battery, and the winch is operable to pull the battery across the rollers. Guides may be removably coupled to the base adjacent one or both sides of the base. A method of using the battery transfer device to remove a battery from a battery rack or install a battery in a battery rack.

The invention relates to an industrial truck comprising a mast (8), a load-carrying apparatus (36), which can be moved upwards and downwards thereon and which has at least one load-receiving means for receiving a load that is to be transported, and a support structure (24) connecting the load-receiving means to the mast (8), the load receiving means having a load-carrying arrangement (41) connected to the support structure (24), and a device for reducing vibrations, characterised in that the device for reducing vibrations has at least one load support (50), which covers the load-carrying arrangement (41) at the top at least in regions, on which support a load received by the load-carrying apparatus (36) can be supported and which support is provided so as to be movable to a limited extent on the load-carrying arrangement (41) such that it can perform vibration-reducing movements relative to the load-carrying arrangement (41).

The invention relates to an industrial truck, in particular a tri-lateral stacker, comprising a mast (8), a lateral push frame (34) that can move up and down on the mast (8), a lateral pusher (38) that is mounted on the lateral push frame (34) so as to be laterally movable transversely to the main direction of travel (G) of the industrial truck, so that said pusher has a degree of freedom of movement along the lateral push frame (34) that is oriented laterally, transversely to the main direction of travel (G) of the industrial truck, a load-supporting apparatus (36) that is arranged on the lateral pusher (38) and can move laterally, together with the lateral pusher (38), transversely to the main direction of travel (G) of the industrial truck using its degree of freedom of movement, a lateral push drive device (52) that can be controlled by a control device of the industrial truck for moving the lateral pusher (38) and the load-supporting apparatus (36) together along the lateral push frame (34), and comprising a device for reducing transverse vibrations, in particular vibrations having vibration components that are transverse to the main direction of travel (G) of the industrial track, wherein the industrial truck is characterised in that, in a vibration-damping operating mode, the lateral push drive device (52) can be operated as a component of the device for reducing vibrations, wherein, in the vibration-damping operating mode, said device allows the lateral pusher (38) to move relative to the lateral push frame (34) so as to reduce vibrations.

Typically, unit loads with wooden pallets in warehouses are moved by pallet lifters or AMRs which are bulkier in size and require more power with high operating costs. This disclosure relates generally to a unit load lifter designed with counterbalance arm mounted on an autonomous mobile robot (AMR) to load and unload unit load from one position to another position autonomously. The unit load lifter includes a horizontal slide unit and a vertical axis fork assembly. The horizontal slide unit include base plate of the unit load lifter is mounted on the AMR. A plurality of fixed guides is integrated with the base plate to house the vertical axis fork assembly by a plurality of rollers on a roller mounting plate. The vertical axis fork assembly include an actuating end of a linear actuator is connected to the sliding plate to drive the at least one fork up and down.

A stabilizer system in a work machine. The stabilizer system includes a stabilizer pad and a stabilizer arm. The stabilizer pad includes a main body having a lower surface configured for engaging a ground surface of a first type, and may include resilient inserts for resting on hard surfaces such as concrete or asphalt. Wings are rotatably connected to the main body and are rotatable between a position above the main body and a position covering the lower surface. The wings include ground engaging surfaces having ribs configured for engaging ground surfaces of a different type, such as soil or gravel. Locking pins are provided for holding the wings in selected positions.

A lift device includes a chassis, a lift boom, a sensor, and a controller. The chassis includes a frame, an axle pivotally coupled to the frame, and an actuator positioned to move the axle. The lift boom is rotatably coupled to the chassis and operable within a work envelope, and the sensor is positioned to monitor an orientation of the lift boom. The controller is configured to engage the actuator based on the orientation of the lift boom. Engagement of the actuator moves the axle to adjust the work envelope of the lift boom.