329results about "Vehicle with rollers" patented technology

An automated guided vehicle has plural conveyors for transferring materials to be transferred mounted on a self-propelling dolly and juxtaposed in a transverse direction. Each of the conveyors includes plural part conveyors whose operation can be controlled individually and arranged in tandem in a transferred direction. One or three or more part conveyors may be disposed or arranged in tandem in the direction of the vehicular width. One or three or more part conveyors may be disposed or juxtaposed in the transverse direction.

A mobile moving system that faculties freight movement includes movable approach ramps and a mobile base. The mobile base includes material handling devices configured to move freight longitudinally between a loading position, a transport position, and an unloading position. Parallel pocket members having a hollow-box-like shape are positioned along a portion of the plurality of the material handling devices to increase the torsional strength and rigidity of the material handling devices. The parallel pocket members are spaced apart and dimensioned so that each of the plurality of parallel pocket members may receive one or more prongs of an industrial vehicle.

The invention relates to a manipulation device for loading and unloading a shelf, in particular for a processing center, having at least one lift truck including a telescopic extension, the telescopic extension having at least one first telescoping part and at least one second telescoping part, and the first telescoping part being connected to the lift truck and the second telescoping part being connected to the first telescoping part so it is displaceable in an essentially horizontal displacement direction. To reduce the manufacturing expenditure, it is provided that the lift truck has at least one first linear roller bearing unit and at least one support roll, spaced apart from the first linear roller bearing unit in the displacement direction, in the area of sides parallel to the displacement direction, and each first telescoping part has at least one first profiled rail situated parallel to the displacement direction, each first linear roller bearing unit being guided in a first profiled rail, and the first telescoping parts being supported by the support rolls of the lift truck.

A steerable, retractable power drive unit (SRPDU) is provided for installation into a transport vehicle for moving cargo in mutually perpendicular directions, such as a doorway are where containers need to move both laterally and longitudinally in a cargo vehicle. The SRPDU rotates upon application of an external command, to orient the drive unit in the required direction and to drive the cargo containers. The SRPDU comprises a stationary support (1010) for fixedly attaching to a vehicle structure and a rotating support (1020) rotatably mounted to the stationary support. A drive assembly is movably mounted to the rotating support, the drive assembly comprising a roller (120) and a first electronically controlled electric motor for rotating the roller. A lift assembly (150) mounted to the drive assembly has a second electronically controlled electric motor for moving the drive assembly relative to the rotating support from a retracted position substantially within the rotating support to an extended position with the roller in driving abutment against the cargo. A rotation drive assembly has a third electronically controlled electric motor (1030) on the rotating support for rotating the rotating support relative to the stationary support. An electronic controller (1060) controls the first, second and third motors.

A vehicle cargo space includes a rear lift gate moveable between opened and closed positions to allow movement of palletized containers into and out of the cargo space. The cargo space has a substantially horizontal floor with first and second sets of laterally spaced, parallel, longitudinal tracks. The tracks extend from the front to the lift gate at the rear of the cargo space. At least one set of tracks is positioned transverse to the longitudinal tracks. The tracks slidably support cargo container pallets. A system of actuators, guides and locks enable programmed movement of the pallets along the tracks into and out of the cargo space as well as within the cargo space.

The purpose of the invention is to provide a device convenient for carrying pallet loaded with article into and / or from container. The introducing device 3 is comprised of: the stage 5; the first lifting / sliding devices 13a, 13b, 13c and 13d, which support the pallet 11 to allow it to move horizontally while keeping it lifting up to the floor surface of the stage; and the second lifting / sliding devices 29a, 29b, 29c and 29d, which receive the pallet from the first lifting / sliding devices and support it to allow it to move horizontally while keeping it lifting up to the floor surface of the container 2. The introducing device 3 is possible to be used for discharging operations.

A cargo space includes a rear lift gate moveable between opened and closed positions to allow movement of palletized containers into and out of the cargo space. The cargo space has a substantially horizontal floor with first and second sets of laterally spaced, parallel, longitudinal tracks. The tracks extend from the front to the lift gate at the rear of the cargo space. At least one set of tracks is positioned transverse to the longitudinal tracks. The tracks slidably support cargo container pallets. A system of actuators, guides and locks enable programmed movement of the pallets along the tracks into and out of the cargo space as well as within the cargo space.

The present invention relates to baggage handling systems and in particular a platform for moving baggage in multiple directions and methods of using the same with baggage carts and a baggage handling system to reduce human interaction and intervention with the baggage and for tracking of baggage.

A conveyor system for loading pallets into and out of a vehicle comprises an accumulating conveyor and an airbag rail. The accumulating conveyor is constituted by a pair of chain rails for supporting and conveying pallets into and out of a vehicle. The airbag rail is positioned between the chain rails and adjacent to one of the chain rails. The airbag rail is constituted by a base beam, a lift beam and an airbag positioned between the two beams. The arrangement is such that, with the chain rails and the base beam fixed to the floor of a vehicle, the airbag can be inflated to raise the lift beam so as to lift an edge portion of a pallet supported by the two chain rails out of contact with said one chain rail.

An improved cargo dolly has at least two top rail assemblies and a frame with an inner rail having mounting brackets for receiving the top rail assemblies. Each top rail assembly spans the width of the frame but not the length of the frame and can move between an attached state and an unattached state by actuating fasteners that pass through the top rail assembly to its respective mounting brackets on the frame. The movement between the attached and unattached states occurs independently of an attached or unattached state of the other top rail assembly.

A vehicle insert with refrigerated and non refrigerated sections for facilitating product distribution is described which uses a pair of frames defining a vertical member and one or more horizontal members. Several shelves with rollers are attached to the frames. The shelves define a sloped area wherein the lowest point on the shelves is located at a product retrieval point and wherein said insert is wheeled into a vehicle already loaded with product to be delivered.

Loading and unloading apparatus for a refrigerated trailer including a floor with a plurality of ribs extending longitudinally along the floor of the refrigerated trailer with a gap between adjacently disposed ribs, a sub floor disposed over the floor and the longitudinally extending ribs; a plurality of roller tracks disposed on the sub floor, the roller tracks extending longitudinally in the trailer and spaced apart from each other and a plurality of sleepers, the sleepers disposed longitudinally in the trailer and generally parallel with the roller tracks, with at least one of the plurality of sleepers disposed between adjacently disposed roller tracks. Preferably, a refrigeration unit has bifurcated ducts located along the ceiling adjacent to the sidewalls to preserve ceiling height.

A system and a method for loading, transporting and unloading large, heavy field equipment to and from nontraditional operational location. The invention discloses a specially designed tilt flatbed trailer, a winch and cabling mounted near the front of the trailer bed, and heavy duty steel rollers imbedded into the flatbed surface. Initially, the trailer is positioned in an upwardly titled angle such that the rear edge of the trailer bed is near ground level next to the lead edge of the equipment. The winch cabling is attached to the equipment and pulls it over the rear edge of the trailer via a larger receiving roller. The equipment is pulled upward and onto the trailer bed until the rear edge of the equipment base clears the ground. The tilt bed is then lowered to a horizontal position. During loading, the equipment moves smoothly onto the trailer surface via the embedded rollers. To unload, the process is reversed.

The invention provides a lifting dumper. The lifting dumper comprises a self-discharging packing box, a horizontal moving frame, a lifting power booster and a rotational chassis. The rotational chassis is provided with the lifting power booster, the lifting power booster is installed on a chassis bottom shell of the rotational chassis, the horizontal moving frame is arranged on a loading platform, and the self-discharging packing box is arranged on the horizontal moving frame. The lifting dumper is novel in structure, stable in work, convenient to use and capable of meeting actual requirements in the aspects of rotation orientation within a certain range and direction, lifting power boosting, horizontal propelling, cargo self-discharging and the like. Two worm wheels for synchronous deceleration, buckled level nested thread extending and retracting and the two-point line forming principle are adopted to symmetrically eliminate torque, the problems that an existing lifting instrument is high in noise, unstable in work and inaccurate in positioning and is not capable of completing a series of composite actions are solved, and the limitation of an ordinary stem casing in lifting height is broken through.

A device for assisting in loading heavy objects onto the load platform of a vehicle, such as a pick-up truck, comprising a frame for locating a pulling point near or above a plane established by a ramp between the load platform and the surface on which the motor vehicle is resting. The device may be provided with a roller adjacent a rear end of the load platform for reducing friction between an object being loaded and the junction of the load platform and the ramp. A pulling line capable of being extended between the pulling point and an object being loaded may be provided such that the object may be pulled up the ramp and onto the load platform, with the position of the pulling point pulling the object upwards from the plane of the ramp and load bed, such that friction between the object and the ramp and load bed is reduced.

An arrangement for a vehicle, for loading and unloading a transport load on or from the vehicle, vehicle includes a support member having a surface onto which the transport load can be located and a ground engaging wheel assembly. At least one wheel of the wheel assembly is positioned proximate to the support member and the arrangement has at least one height adjustment device for operatively engaging the transport load with the at least one wheel. As the vehicle is moved with the transport load engaged with the wheel, the transport load is able to move across and / or along the support member, in the direction in which the vehicle is moved, by rotation of the wheel.

The invention relates to versatile cargo trailer decks, and to methods for moving cargo onto such cargo trailer decks. In embodiment, a cargo trailer deck may have first and second moving apparatus attached to a deck member. The first moving apparatus may be adapted to move cargo between the back end of the deck member and the front end of the deck member, while the second moving apparatus may be adapted to rotate cargo from one orientation on the deck member to a second orientation on the deck member. The deck member may be adapted to move in backward, forward, left, right, vertical, and tilt directions, in order to align the deck member for loading and / or unloading cargo.

The invention discloses an electric truck facilitating loading and unloading. The electric truck comprises a front frame, a rear frame and a connecting frame, wherein the front frame and the rear frame are fixedly connected through the connecting frame; rear wheels are installed on the bottom of the rear frame, lifting devices are fixedly arranged in the rear frame, at least two longitudinal grooves are formed in the upper surface of the rear frame, rolling belts are arranged in the grooves in a vertically-rolling mode, the bottoms of the rolling belts are connected with the lifting devices, ball grooves are formed in the upper surfaces of the rolling belts, rolling balls are restrained in the ball grooves, and the distance between the center of each rolling ball and the upper surface of the corresponding ball groove is smaller than the radius of the rolling ball, so that when cargoes are loaded, the lifting devices drive the rolling belts up, the upper surfaces of the ball grooves coincide with the upper surface of the rear frame, and the cargoes can roll on the rolling balls, so that friction force is greatly reduced, and during transportation, the lifting devices make the rolling belts down, and the cargoes are in contact with the upper surface of the rear frame again, so that friction force is increased, and then the cargoes do not slide during transportation. Therefore, loading and unloading of the cargoes are conveniently achieved.

The invention relates to a dump truck for transporting slab track beds, comprising a car body (1) and its frame (1a), characterized in that the frame (1a) is provided with a cantilever hanger (6), a cantilever hanger ( 6) is also equipped with a linear translation device (12) that slides and cooperates with it. The linear translation device (12) translates back and forth along the axis of the frame (1a), and is used for hoisting prefabricated slab track beds right below the linear translation device (12). The sling (16), the sling (16) is connected and matched with the linear translation device (12) through the lifting mechanism (7). The invention has the beneficial effects of simple structure and high reliability, and shortens the track construction period while improving transportation efficiency and reducing transportation costs.