Abstract: A system is provided that comprises a patient support apparatus and a unit being independent from the patient support apparatus. The patient support apparatus comprises a support structure having a base and a patient support surface for a patient. The patient support apparatus also comprises an electrical distribution system, one or more electrical devices, and an energy storage device (ESD) configured to store energy to power the one or more electrical devices through the electrical distribution system. The unit is configured to autonomously interact with the patient support apparatus to remove the ESD from the patient support apparatus and/or to place a replacement ESD on to the patient support apparatus.

Abstract: A container packer system includes a transfer base, which receives a container packer adapted for movement longitudinally between retracted and extended positions with respect to the transfer base. The transfer base includes a power subsystem with a motor or engine driving a hydraulic pump for powering hydraulic piston-and-cylinder units of the system, including a container packer piston-and-cylinder unit for hydraulically extending and retracting the container packer. The container packer generally encloses an interior adapted for receiving bulk material for transfer to a transport container, which can comprise a standard shipping container, a trailer or some other bulk material receptacle. The container packer includes a push blade assembly longitudinally movably mounted in its interior and actuated by a push blade piston-and-cylinder unit.

Abstract: In certain embodiments, a system includes a belt for mechanically linking multiple energy storage cells together, wherein the multiple energy storage cells are grouped into at least first and second energy storage packs, each energy storage pack including at least one energy storage cell, the at least one energy storage cell of the first energy storage pack having a different energy storage characteristic from the at least one energy storage cell of the second energy storage pack. The system further includes an operational zone for receiving an energy storage pack and establishing an electrical connection between the received energy storage pack and an electrical device, and an actuator operable to move the multiple energy storage cells together to thereby dispose the first energy storage pack in the operational zone to establish the electrical connection with the electrical device.

Abstract: A container packer system includes a transfer base, which receives a container packer adapted for movement longitudinally between retracted and extended positions with respect to the transfer base. The transfer base includes a power subsystem with a motor or engine driving a hydraulic pump for powering hydraulic piston-and-cylinder units of the system, including a container packer piston-and-cylinder unit for hydraulically extending and retracting the container packer. The container packer generally encloses an interior adapted for receiving bulk material for transfer to a transport container, which can comprise a standard shipping container, a trailer or some other bulk material receptacle. The container packer includes a push blade assembly longitudinally movably mounted in its interior and actuated by a push blade piston-and-cylinder unit.

Abstract: In one embodiment, a system for deploying batteries, for example in an electric vehicle, includes a battery belt for mechanically linking multiple batteries together, a conduit having one or more operational zones each with an output, the operational zones each establishing an electrical connection between the output and batteries in the operational zone, and an actuator for selectively moving batteries into and out of the operational zones. Resting zones may also be provided. The batteries can be connected in series or in parallel and can be individually removed and replaced by an exchanger.

Abstract: In certain embodiments, a system includes a belt for mechanically linking multiple energy storage cells together, wherein the multiple energy storage cells are grouped into at least first and second energy storage packs, each energy storage pack including at least one energy storage cell, the at least one energy storage cell of the first energy storage pack having a different energy storage characteristic from the at least one energy storage cell of the second energy storage pack. The system further includes an operational zone for receiving an energy storage pack and establishing an electrical connection between the received energy storage pack and an electrical device, and an actuator operable to move the multiple energy storage cells together to thereby dispose the first energy storage pack in the operational zone to establish the electrical connection with the electrical device.

Abstract: In one embodiment, a system for deploying batteries, for example in an electric vehicle, includes a battery belt for mechanically linking multiple batteries together, a conduit having one or more operational zones each with an output, the operational zones each establishing an electrical connection between the output and batteries in the operational zone, and an actuator for selectively moving batteries into and out of the operational zones. Resting zones may also be provided. The batteries can be connected in series or in parallel and can be individually removed and replaced by an exchanger.

Abstract: Methods, devices, systems, and non-transitory process-readable storage media for a computing device of a robotic carton unloader to identify items to be unloaded from an unloading area within imagery.

Abstract: A system for loading and unloading a cargo compartment of a vehicle, such as an aircraft, with a cargo receiving device is provided. The system includes a cargo receiving device including a base structure arrangement having a horizontal lower contact surface, and a locking mechanism configured to engage one or more corresponding holding members provided in a cargo compartment of a vehicle. The system also includes a transport device including a horizontal upper contact surface configured to be disposed in abutting contact to said lower contact surface, a drive unit configured to initiate horizontal movement of the transport device, a lift unit configured to initiate vertical movement of the upper contact surface, and an actuating unit configured to actuate the locking mechanism of the cargo receiving device.

Abstract: The invention pertains to a device for loading goods into and/or unloading goods from a loading space 25, particularly a container, with a conveyor arm 1 that features a transfer station 5, 7, 9 for receiving the goods in the region of its proximal end and a transfer station 21, 23 for delivering the goods in the region of its distal end, wherein the conveyor arm 1 features a transport section 13, 15, 17, 19, 21 for transporting the goods from the transfer station 5, 7, 9 to the transfer station 20, wherein the transfer station 20 is realized in the form of a transfer and/or removal head 21, 23 that automatically deposits the goods at a predefined position in the loading space (25) and/or automatically picks up the goods from a predefined position in the loading space (25), and wherein the conveyor arm 1 is able to continuously transport the stream of successive goods to and/or from the predefined position.

Abstract: An automatic truck unloader for unloading/unpacking product, such as boxes or cases, from trailers and containers is disclosed. In one embodiment, a mobile base structure provides a support framework for a drive subassembly, conveyance subassembly, an industrial robot, a distance measurement subassembly, and a control subassembly. Under the operation of the control subassembly, an industrial robot having a suction cup-based gripper arm selectively removes boxes from the trailer and places the boxes on a powered transportation path. The control subassembly coordinates the selective articulated movement of the industrial robot and the activation of the drive subassembly based upon the distance measurement subassembly detecting objects, including boxes, within a detection space, and dimensions of the trailer provided to the control subassembly.

Abstract: An automatic tire loader/unloader for stacking/unstacking tires in a trailer is disclosed. In one embodiment, a mobile base structure provides a support framework for a drive subassembly, conveyance subassembly, an industrial robot, a distance measurement subassembly, and a control subassembly. Under the operation of the control subassembly, tires advance through a powered transportation path to an industrial robot which places the tires within the trailer in a vertical stacking pattern or a rick-stacking pattern, for example. The control subassembly coordinates the selective articulated movement of the industrial robot and the activation of the drive subassembly based upon the distance measurement subassembly detecting objects, including tires, within a detection space, dimensions of the trailer provided to the control subassembly, and dimensions of the tires provided to the control subassembly.

Abstract: An automated unloading apparatus, system and method for use with a container having a plurality of items located on a base belt. The apparatus includes a ramp, a conveyor, a stack control curtain, and a tensioning mechanism. The ramp is configured to pass under the base belt. The conveyor is configured to remove a first item from the plurality of items. The stack control curtain is configured to retain a second item of the plurality of items during removal of the first item. The tensioning mechanism is configured to couple to the base belt and maintain a desired tension on the base belt during passage of the nose ramp under the base belt and removal of the first item.

Abstract: An automated unloading apparatus, system and method for use with a container having a plurality of items located on a base belt. The apparatus includes a ramp, a conveyor, a stack control curtain, and a tensioning mechanism. The ramp is configured to pass under the base belt. The conveyor is configured to remove a first item from the plurality of items. The stack control curtain is configured to retain a second item of the plurality of items during removal of the first item. The tensioning mechanism is configured to couple to the base belt and maintain a desired tension on the base belt during passage of the nose ramp under the base belt and removal of the first item.

Abstract: A base belt for use with an automated unloading apparatus that can automatically unload a container having a plurality of items located on the base belt, and a container configured for use with an automated unloading apparatus. The base belt has a trailer end configured to be removably attached to a container. The base belt has an unloader end configured to be removably attached to the automated unloading apparatus. The container has a container body having an interior and an attachment point on the interior of the container.

Abstract: A loading and unloading device for cargo containers, such as sea containers, silos and other vessels, of mobile design, whereby a container, one end face of which can be opened or closed and can and can be connected flush to a cargo container for bulk goods to be loaded or unloaded, whereby the device container is equipped with least one telescoping tube that can be inserted or withdrawn from the cargo container to be loaded or unloaded, an associated motive power aggregate and a connector for the conveyance of bulk goods into or out of the cargo container to be loaded or unloaded, a suction unit with propelling air outlet, a motor-compressor unit with propelling air inlet for propelling air supply into the cargo container to be loaded or unloaded, a vacuum and filter system and an operating and control unit.

Abstract: A cargo loader operable to load cargo into an opening of an enclosed trailer. The loader has an elongated bed with a front portion and a rear open portion. The opening of the trailer is positioned adjacent to the rear open portion of the bed. A pair of sidewalls flank the rear open portion and define an interior cargo receiving area. A carriage is moveably mounted to the bed and coupled to a drive assembly operable to move the carriage between the front portion and the rear open portion. The carriage is positioned on the front portion to allow cargo to be loaded into the cargo receiving area. The carriage is configured to push a ram longitudinally along the bed to push the cargo inside the cargo receiving area into the opening of the enclosed trailer.

Abstract: A battery-changing vehicle includes a mobile carriage, a frame disposed above the mobile carriage, and a boom assembly connected to the frame. The mobile carriage defines a loading deck for receiving and transporting a battery. The boom assembly includes a lift hoist that lifts a battery to and from the loading deck. The lift hoist is capable of lateral movement between an extended disposition, at which the lift hoist is cantilevered away from the loading deck, and a withdrawn disposition, at which the lift hoist is disposed above the loading deck. The battery-changing vehicle may also include a transfer arm capable of transferring a battery to and from the loading deck.

Abstract: A loading assembly is provided that is configured to load transport containers with bulk material quickly and efficiently. A container support assembly is also provided that facilitate alignment and stable support of the container throughout loading. In use, a load bin of the loading assembly is inserted and retracted relative to the container by a drive mechanism. The barrier assembly confines the contents of the load bin in the container while the bin is retracted, allowing the contents of the bin to remain within the container upon removal of the bin. The container support assembly includes left and right ramps disposed along side the container. The ramps each include a support surface having an increasing height differential with reference to the ground from the distal end to the proximal end. The support assembly further includes an interface assembly configured to attach to the container and to engage the support surfaces of the left and the right ramps to distribute load onto the ramps.

Abstract: A loading assembly is provided that is configured to load transport containers with bulk material quickly and efficiently. A container support assembly is also provided that facilitate alignment and stable support of the container throughout loading. In use, a load bin of the loading assembly is inserted and retracted relative to the container by a drive mechanism. The barrier assembly confines the contents of the load bin in the container while the bin is retracted, allowing the contents of the bin to remain within the container upon removal of the bin. The container support assembly includes left and right ramps disposed along side the container. The ramps each include a support surface having an increasing height differential with reference to the ground from the distal end to the proximal end. The support assembly further includes an interface assembly configured to attach to the container and to engage the support surfaces of the left and the right ramps to distribute load onto the ramps.

Abstract: A waste loading device for loading waste/recyclables into a container includes a base portion positionable at a loading station, a loading tube extending from the base portion and a pushing member. The loading tube has a discharge end and is configured to be received in a container positioned at the waste/recyclables loading device such that the discharge end is substantially within the container. The discharge end is at an angle relative to a longitudinal axis of the loading tube. The pushing member is movable along the loading tube to push waste along the loading tube to the discharge end and into the container. The discharge opening at the discharge end opens generally downwardly. The loading tube may extend approximately eight feet or more into the container when the container is positioned at the loading device.

Abstract: A hydraulic battery changer for pulling and pushing batteries into a conventional electric vehicle having a height adjustable leg connected to a frame for raising and lowering the frame. A roller is rotatably connected to the frame for receiving a conventional electric vehicle battery thereupon.

Abstract: A battery powered floor maintenance machine is alignable with a battery docking station that can slidably receive a spent battery assembly from the floor maintenance machine. The floor maintenance machine includes locking and aligning mechanisms to safely attach the machine to the docking station. Once attached, the battery assembly is slid onto the docking station for recharge. The floor machine can be removed from the docking station and attached to a second charging station with a fully charged battery assembly thereon. The battery assembly can be slid from the second charging station to the floor maintenance machine, allowing the machine to be returned to service.

Abstract: A freight load carrier for transporting freight load pallets is provided. The freight load carrier has a rectangular carrier base with a longitudinal axis having a top face, bottom face, first and second ends and first and second side rails wherein the top face is configured to receive a freight load pallet thereon. The carrier also includes at least one tailgate hingedly mounted to at least one end of the carrier wherein the tailgate is movable between a freight load pallet blocking position and a freight load carrier releasing position. A method of distributing freight load pallets is also provided.

Abstract: The present invention relates to a loading car (1), in particular for transferring a load (2) from a readiness zone (3) to a target zone (4), and to a loading system (20).

Abstract: A substrate support assembly and method for dechucking a substrate is provided. In one embodiment, a support assembly includes a substrate support having a support surface, a first set of lift pins and one or more other lift pins movably disposed through the substrate support. The first set of lift pins and the one or more lift pins project from the support surface when the pins are in an actuated position. When in the actuated position, the first set of lift pins project a longer distance from the support surface than the one or more other lift pins. In another aspect of the invention, a method for dechucking a substrate from a substrate support is provided. In one embodiment, the method includes the steps of projecting a first set of lift pins a first distance above a surface of a substrate support, and projecting a second set of lift pins a second distance above the surface of the substrate support that is less than the first distance.

Abstract: Apparatus for unloading a load from a container having a floor, includes a floor sheet placed on the floor of the container, the floor sheet having a top surface with a coefficient of static friction less than about 0.3. A pull sheet placed on the top surface of the floor sheet, the pull sheet having a bottom surface with a coefficient of static friction less than about 0.5. The pull sheet has a tensile strength sufficient to enable the pull sheet to be pulled from the container while maintaining the load on the top surface of the pull sheet to unload the load from the container.

Abstract: Apparatus for unloading a load from a container having a floor, includes a floor sheet placed on the floor of the container, the floor sheet having a top surface with a coefficient of static friction less than about 0.3. A pull sheet placed on the top surface of the floor sheet, the pull sheet having a bottom surface with a coefficient of static friction less than about 0.5. The pull sheet has a tensile strength sufficient to enable the pull sheet to be pulled from the container while maintaining the load on the top surface of the pull sheet to unload the load from the container.

Abstract: A slide extends from an upper level platform to a lower level. The slide includes a bed with a smooth top surface and side frames that project upwardly from the bed. The bed is a sheet having upraised lips along its side edges. The lips are received by first channels in the side frames. Crossbars extend transversely beneath the bed, with the ends of the crossbars being received by second channels in the side frames. A groove is formed in the top surface of the bed, which groove receives a line. The line is coupled to a motor and to a carrier located on the slide, wherein the carrier traverses up and down the slide. Objects can be raised and lowered between the two levels using the carrier. Alternatively, objects can be allowed to slide down the bed.

Abstract: An improved method and apparatus for emptying a load of turkeys from multilayer containers is disclosed. Each container or coop includes a liftable gate that enables access into the container and a slidably moveable push member that may also comprise the back wall of the container. The push member is moved from the rear of the container and toward the access port thereof. As the push member moves and engages turkeys in the coop, the turkeys are moved by the push member across the container floor and out of the access port onto a series of conveyors. The push members of a plurality of coops can be interconnected to simultaneously unload a plurality of containers. The mechanisms for moving the push member may be mounted externally of the coop structure. The same mechanism may also be used for returning the push member to and for locking it in its initial transport position.

Abstract: This apparatus relates to a frame structure for packing multiple vehicles in a stacked configuration into a transport container such that a first vehicle is located above the floor of the container and inclined relative to that floor. The structure includes a base, at least one vehicle support device including two vehicle supports each having a support member vertically and laterally displaced from one another, and attachment devices including at least one pair of attachment members having brackets for being attached across the bottom of the vehicle, laterally spaced from one another and received within receptacle zones defined within the respective vehicle supports, the attachment members being parallel to the vehicle supports.

Abstract: A method for stacking trailers is described. Firstly, position a first trailer on a skid assembly having an upper support frame that overlies a top of the first trailer. The upper support frame has a first end and a second end. Secondly, secure a first end of a tow line to an end of a skid assembly for a second trailer. The tow line is extended over the upper support frame from the first end across to the second end and then a second end of the tow line is secured to a winch. Thirdly, activate the winch to raise the skid assembly of the second trailer to the height of upper support frame and then draw the skid assembly of the second trailer from the first end of the upper support frame across the upper support frame until the end of the skid assembly of the second trailer to which the tow line is attached is positioned at the second end of the upper support frame.

Abstract: An apparatus for loading objects packed in alternating orientations, for loading into automatic machines for the purposes of subsequent processing where the objects must be presented one by one with the same orientation is made up of two angle plates, a magazine carriage, a thruster, an elevator, a translationally moveable extractor unit, a track for removing the extracted objects, parallel guides along the final stretch of the track, separated from each other by a distance equal to the least thickness of the extracted objects, two other removing tracks downstream of the parallel guides, one track leading to the automatic machine to which the objects are to be fed, and the other leading to advice for inverting the objects.

Abstract: A non-palletized unit of cargo is formed of multiple bales of hay bound together as a unit by an elongated sheet of a polymer film pre-stretched and wrapped in multiple layers around and in direct engagement with the peripheral sides of the bales so that it can be handled by direct engagement of the bottom surface thereof by the tines of a forklift truck, includes attaching member attached to at least one of the plurality of bales and extending from a side thereof for towing the unit of cargo laterally for positioning it for unloading from a cargo space.

Abstract: A freight moving apparatus comprising: a conveyor for receiving a freight and conveying the freight between a first predetermined position in a carrier vehicle and a second predetermined position in a freight station; an electric motor for driving the conveyor; stops disposed in the carrier vehicle and the freight station for engagement with the freight when the freight arrives at the first predetermined position or the second predetermined position; and a torque limiter for detecting any change of torque of the electric motor, which may be caused in the electric motor when the freight comes into engagement with the stops at the first predetermined position or the second predetermined position, to deactivate the electric motor.

Abstract: A sectional van trailer having detachable, interchangeable compartments capable of forming a continuous van body is disclosed. One or more van sections or cargo compartments are secured to a trailer frame. The van sections may be individually removed and left at a location for loading or unloading. When removed, the van sections form secure, weather-tight individual containers for the goods disposed therein. The van sections are interconnected and each van section may remain an individual compartment or may be joined with one or more adjacent van sections to form a continuous van body. A tractor mounted hoist apparatus is provided to allow a lone truck operator to move the van sections between the ground, and the trailer frame, a storage stand, or a truck frame. The described embodiments are particularly efficient for moving both household belongings and general commodities on a long-haul trip.

Abstract: A dual tarpaulin unloading system which rests in the bed of a vehicle. The second end of the first tarpaulin is attached to the bed of the vehicle by a single mechanical arrangement which allows the unloading system to detach after the unloading cycle is complete. The payload to be transported and unloaded rests on the upper surface of the second tarpaulin. At the dumping site, the vehicle door bed is opened and the first end of the first tarpaulin and the first end of the second tarpaulin are attached to a drawing strap. The opposite end of the drawing strap is attached to established anchorage. The vehicle then moves in a direction away from the established anchorage. The weight of the payload on the first and second tarpaulin coupled with the movement of the vehicle forces the payload off the vehicle bed and onto the ground.

Abstract: An apparatus for unloading non-palletized units of cargo from cargo containers without docking facilities comprising an elongated mounting bracket for detachable attachment to a bottom door frame of a cargo container, and having a plurality of mounting studs extending outwardly therefrom, a pair of support rails having sockets at one end for receiving and detachably attaching to the mounting studs, and upstanding support legs at the other end for supporting the rails in a horizontal position, and a towing link for attachment at one end to a cargo unit to be pulled onto said rails and attachable at the other end to towing apparatus for towing the cargo unit onto said rails.

Abstract: An apparatus for changing a plate cylinder in a web-fed rotary gravure press comprises supporting mechanisms for detachably supporting both ends of a plate cylinder, a palette for carrying the plate cylinder, an elevator having a first conveying mechanism for conveying the palette in an axial direction of the plate cylinder and being vertically movable between a first position where the plate cylinder is supported by the supporting mechanism and a second position where the plate cylinder is conveyed in the axial direction by the conveying mechanism, and a truck movable in a direction perpendicular to the axial direction of the plate cylinder and having a pair of second conveying mechanisms parallel to each other for conveying the palette in the axial direction of the plate cylinder when the elevator is at the second position.

Abstract: A longitudinal extensible platform comprises a plurality of framed sections hingedly joined together. Each framed section comprises a first set of ground engaging rollers and a second set of load engaging rollers extending transversely of the framed section. A drive is mounted below the surface of the loading dock for driving an endless chain. The extensible platform is drivingly engaged to the endless chain and adapted for longitudinal movement therealong. The extensible platform has a platen at a forward end hingedly engaging the first framed section. The extensible platform is provided with a driven pusher assembly mounted thereon. The pusher assembly extending upwardly for abutting with the load resting on the extensible platform.

Abstract: An unloading apparatus comprises a supporting frame, a railroad disposed on the bottom of the supporting frame for an open freight car with freight, a pair of belting members hung on the upper portion of the supporting frame, and a moving member including pivotal rods with a shoveling member, whereby when the moving member moves forward and backward along the pair of belting members, the freight are automatically unloaded through a plurality of outlets of the open freight car.

Abstract: A freight transportation system is provided and comprises a loading station, an unloading station and a vehicle moveable therebetween to transport freight. The vehicle includes a lower platform for carrying freight and a pair of doors moveable between open and closed positions. In the closed position, the doors constitute side walls to prevent removal of the freight from the vehicle. In the open position, the doors are located to facilitate removal of the freight from the vehicle. The unloading station includes a door moving mechanism for moving the doors of the vehicle to the open position upon its arrival at the station. A freight removal device moves the freight off of one side of the platform when the doors are moved to the open position.

Abstract: A freight transportation system is provided and comprises a loading station, an unloading station and a vehicle moveable therebetween to transport freight. The vehicle includes a lower platform for carrying freight and a pair of doors moveable between open and closed positions. In the closed position, the doors constitute side walls to prevent removal of the freight from the vehicle. In the open position, the doors are located to facilitate removal of the freight from the vehicle. The unloading station includes a door moving mechanism for moving the doors of the vehicle to the open position upon its arrival at the station. A freight removal device moves the freight off of one side of the platform when the doors are moved to the open position.

Abstract: Vehicles supporting a load are propelled between a load receiving station and a pallet unloading station. When the loaded vehicle is in a predetermined location, the pallet unloader is actuated causing the unloader ram element of the pallet unloader to contact the load and urge the load off the support vehicle and onto the load receiving station. This unloading is accomplished while the vehicle continues to move through the unloading station. The rate of unloading is coordinated with the speed of the vehicle through the unloading station.

Abstract: Method and apparatus for truck loading using a conveyor to advance a load into a truck backed-up to a loading dock. A special sheet or belt is laid over the bed of the truck and anchored at the edge adjacent the rear end of the truck bed. The sheet has special frictional characteristics. The load is pushed into the truck over the special sheet, the load in the truck is held in position and the special sheet is freed of the anchors and is slipped out from between the load and the truck bed.

Abstract: Garbage can be collected and fowarded in an economical manner by garbage trucks on which containers are detachably mounted. The containers can be lifted and removed from the garbage trucks and transferred to forwarding trucks in a simple operation. This is accomplished by the provision of a conveyor for transversely conveying the containers the conveyor having a receiving end which is dispsoed approximately on the level of the load platforms of the garbage trucks and which is provided at that end with tine-like arms, which are adapted to be moved under the containers when they have been unlocked. The arms are adapted to be lifted and lowered and to be extended from and to be retracted into the receiving end of the conveyor.

Abstract: The present invention resides in a device comprising a package stock truck moved in the row direction of warper creels, a package feeding conveyor for feeding yarn supply packages to the position of the stock truck, a first package transfer mechanism for transferring the packages on the package feeding conveyor onto the stock truck, and a second package transfer mechanism for transferring the packages on the stock truck to each of pegs of the warper creels.

Abstract: The apparatus is for feeding semi-conductor devices to and from process machines.The apparatus includes a main frame 3 having a loading station 1 and an unloading station 2 each of which has a docking station for receiving carts 5. The carts are lifted by a jacking arrangement 40 into operative engagement with a loading or unloading system, 6 or 7 respectively, the loading/unloading means being movable relative to the main frame 3 when engaged by the cart, the movement of the loading means being detected by a fibre optic control system which initiates a signal to terminate lifting. In this way, a loading station of the cart is accurately aligned in three mutually perpendicular axes with the loading/unloading means to ensure reliable transfer of components from the carrier in the cart and a transfer conveyor by which the components are transferred to a machine for a processing operation or are transferred from the machine into an empty cart.

Abstract: Apparatus for moving a load along a floor in the course of loading and unloading vehicles. The apparatus includes a pull bar movable along a floor surface, winch driven cable drums, and cable connected between the drums and the pull bar so as to provide a pair of substantially parallel cable runs extending along each side of a load to be moved. Operation of the winch moves the pull bar against a load on the floor to slide the load as desired.The cable may comprise a single length of cable passed through rollers at the ends of the pull bar such that as the cable runs are drawn taut, the cable may run through the pulleys to automatically adjust the length of each cable run and equalize tension between the runs.

Abstract: A battery charging system for battery-powered vehicles has a battery transfer station, at which a vehicle is positioned for removal and replacement of the spent and charged battery. The spent battery is removed from the vehicle and transferred to a charging system, and a charged battery is transferred from the charging system to the vehicle. In one form, the batteries are conveyed through a continuous charging system, upon removal from the vehicle, and a fully charged battery is deposited in the vehicle. In another form, batteries are transferred from and to the vehicle by a battery transfer system which transfers the batteries to and from storage and charging bays. In all cases, the discharged battery is removed from the vehicle, and a charged battery is installed in the vehicle.