Abstract: According to an embodiment, a transfer apparatus includes a gripper, a first driving mechanism, an elastic passive joint part, a conveyor, a second driving mechanism, and base. The gripper grips an article. The first driving mechanism linearly moves the gripper in at least two directions including a first direction and a second direction intersecting with the first direction. The elastic passive joint part is interposed between the gripper and the first driving mechanism, and operates in accordance with an operation of the gripper. The conveyor conveys the article. The second driving mechanism linearly moves the conveyor in the at least two directions, and is connected to the conveyor. The base supports the first driving mechanism and the second driving mechanism.

Abstract: A storage and retrieval system is provided. The storage and retrieval system having a frame and a shuttle movable within the frame, the shuttle having a carriage extending at least partially between a top and bottom of the frame. At least one tension member extends between a first and second ends of the frame and is coupled to the shuttle. At least one drive member extends between the first and second ends of the frame and is coupled to the shuttle. The at least one drive member and the at least one tension member project from opposite sides of the shuttle towards respective first and second ends of the frame and effect stabilization of the carriage against at least rotation relative to the frame. The at least one tension member crosses the at least one drive member and the at least one drive member effects movement of the shuttle.

Abstract: A first layer of items is assembled on a movable conveyor belt on a support platform, and the conveyor belt advances to position the first layer of items above and in registration with a pallet while a second layer of items is assembled behind the first layer. The conveyor belt then stops, and part of the support platform and an associated portion of the conveyor belt retract from beneath the first layer of items, depositing the first layer of items on the pallet, after which the pallet is indexed downward. The retractable portion of the support platform and the associated portion of the conveyor belt then extend to the position above and in registration with the pallet, and the conveyor belt advances during this extension to position the second layer of items above and in registration with the pallet. Apparatus for placing slip sheets onto pallets is also described.

Abstract: A system and method for optimizing the parking and storage capacity of a vehicle parking garage wherein rows of vertical columns of parking spaces or cubicles are spaced in opposing relationship with one another such that at least one automatic guided and self propelled vehicle (AGV), with or without a vehicle support tray mounted thereon, is vertically movable in engagement with the opposing racks or chains that extend on opposite sides of the vertical columns of parking cubicles so that a vehicle may be loaded onto the AGV and thereafter transferred to, and later removed from a parking cubicles and transferred to an exit of the garage. If tray are used on the AGV, additional trays are stored in storage spaces adjacent each parking cubicle.

Abstract: A parking facility for motor vehicles having fixed parking places arranged above each other and each having a guide for a pallet that is displaceable along the guide as well as a lift, which is disposed alongside the fixed parking places and which also carries a guide for the pallet is provided. For displacement of the pallet between the respective guides of a parking place and the lift, the lift is stopped alongside a parking place such that the respective guides are aligned with one another. The guide of the lift at its end facing the parking place is supported on a supporting surface connected to the parking place. The guide of the lift after being set down onto the supporting surface is pivoted about a horizontal pivotal axis until the guide of the lift is in a horizontal position.

Abstract: A structure having floors for receiving and delivery of cars, and parking floors. Receiving and delivery floors have slat conveyors with platform carriers placed in slots in the conveyor. Cars are parked by patrons on the platform carriers. After the patron exits the car the conveyor conveys the carrier on which the car is parked to the front of an elevator. A power arm in the elevator draws the carrier into the elevator, and the elevator rises to a parking floor. On the parking floor the elevator power arm pushes the platform carrier with the car on top onto a waiting transfer module, which moves laterally to the front of an allotted parking slot. A power arm on the transfer module pushes the platform carrier with the car on top into the parking slot. Upon the patron's return the car is retrieved as described above but in reverse order.

Abstract: A multi-level parking lot has a multi-level parking lot comprising a roadway disposed on aground surface. A plurality of parking containers each adapted to receive and store an automotive passenger vehicle. At least two of the parking containers being vertically stacked to form an inner stack of vertically stacked parking containers extending generally parallel to a first side of the roadway. At least two of the parking containers are vertically stacked to form an outer stack of vertically stacked columns of parking containers extending generally parallel to the first side of the roadway, and located between the first side of the roadway and the inner stack of vertically stacked parking containers. Each of the plurality of parking containers having an access aperture generally facing toward the first side of the roadway for passage of the vehicle therethrough.

Abstract: A multilevel vertical general aviation hangar, comprising a traffic inflow/outflow path and a pallet stack subsystem. There is also a pallet turntable located with the path. A pallet shuttle moves the pallet and contained vehicle from the turntable to a lift. The lift moves the pallet and vehicle to a predetermined location within a storage structure.

Abstract: An automated parking garage. The garage comprises a multi-floor building having a plurality of vehicle storage racks in a storage area for storing a loaded pallet or an unloaded pallet. An entrance-level floor of the building includes an entry/exit station (EES) on for receiving a vehicle, the EES having an exterior entrance through which the vehicle is driven and, an opposing interior entrance that provides access to the storage area and through which the loaded pallet is transported, the loaded pallet and unloaded pallet adapted to be positioned at floor level in the EES. The garage includes a pallet stacking station for storing the unloaded pallet, the pallet stacking station located over a shuttle aisle that extends under the EES. A pallet shuttle that traverses the shuttle aisle to a first position under the EES for handling the unloaded pallet in the EES, and to a second position under the pallet stacking station for stacking the unloaded pallet.

Abstract: A overhead transport system with load-bearing members, in particular transverse bars for attachment of loads, includes running rails which extend in at least two horizontal planes in spaced-apart, parallel disposition, and at least one crane which travels in an upper one of the planes transversely to the running rails for transfer of the load-bearing members from one running rail to another running rail. In order to provide the overhead transport system in a cost-efficient manner with two production or treatment planes while yet saving time as far as transfer of the load-bearing members is concerned, the transfer of the load-bearing members in a lower one of the planes is realized by at least one self-propelled transfer vehicle which travels transversely to the running rails.

Abstract: The invention relates to an installation for parking motor vehicles (5) in a space-saving manner, having a plurality of parking spaces (2) arranged on top of each other and designed to hold the motor vehicles (5). The invention provides for a lifting device (3) for transporting the motor vehicles (5) to the individual parking spaces (2), the lifting device being mounted on a turntable (8). In addition, the lifting device (3) can be horizontally displaced on the turntable (8).

Abstract: A parking installation comprising a pallet on which a vehicle is loaded, wherein a guide member is formed on a lower surface of the pallet along its longitudinal center line; a carrier for loading the pallet thereon, the carrier traveling along a traveling rail extending across parking rooms; travel rollers mounted at both ends of the carrier for rolling on the traveling rail; a first driving motor connected to a shaft of the travel roller for supplying a driving force to rotate the travel roller; a pallet transferring unit mounted rotatably to both ends of the carrier, the unit being in contact with the guide member and transferring the pallet longitudinally; and a pallet drawing/pushing assembly mounted adjacent to the pallet having a pivotable arm pivotable along a predetermined arc, the pivotable arm of the pallet drawing/pushing assembly either drawing a stopper formed on a lower surface of the pallet such that the guide member of the pallet comes in contact with the pallet transferring unit or pushing t

Abstract: A mechanical automobile parking facility with auto parking pallets, in which a vehicle is driven onto an auto parking pallet which is moved with the vehicle thereon to a predetermined space inside the facility. In order to guarantee reliable and abrasion free parking, a driving unit on rails is included whereby the driving unit with the auto parking pallet lying thereon, proceeds along a parking aisle and the auto parking pallet is pushed sideways from the driving unit by telescopic cylinders over glide rails into a free parking space, or conversely the auto parking pallet is taken from there onto the driving unit.

Abstract: A system for moving watercraft for storage inside a dry stack watercraft storage facility. The system includes a frame assembly, a cradle assembly and a rack assembly which closely interact with each other to precisely and securely position and protect watercraft stored inside the facility. The cradle assembly lifts a watercraft from the watercraft's center of gravity to position in the rack assembly. The rack assembly supports the watercraft through a pair of cantilever beams, and further includes a pair of cable guides used to guide the cradle assembly in the placement of the watercraft on the cantilever beams and to reduce the sway present during the positioning of the watercraft. The frame assembly supports and protects the other assemblies.

Abstract: A High-rise Automated Garage (HAG) for offstreet parking consists of up to 40 stories (levels) car storage structure and a bank of elevators in the middle of this structure. Elevators are oriented along the garage and can pick-up cars from a flat driveway along the garage. Car handling carriages of the elevators can lift cars as cargo, using their wheels as the pick-up points, and move them horizontally into elevator's platform. In the case of one elevator failure, cars parked in the zone served by this elevator can be relocated by attendants into the zone served by an operating elevator, thus providing the capability of returning cars to the owners in a reasonable time. HAG has two loading (unloading) lanes. This allows an increase in the driver time for arriving and releasing the car to two elevators' cycles.

Abstract: A vehicle transporting arrangement for transporting a vehicle in a parking building automatically from a drive-in module to a parking space (27), wherein the arrangement includes a first carriage (1), a so-called transfer carriage, which can be moved on and between different parking floors or storeys of the parking building and which includes a second carriage (2) and a third carriage (3), each of which includes lifting devices (4, 5, 6, 7) for lifting and supporting a pair of vehicle wheels, the second and third carriages being positioned sequentially in a direction perpendicular to the direction of movement of the first carriage on a parking floor and being movable in relation to the first carriage at right angles to its direction of movement on a parking floor. According to the invention, at least one of the second and the third carriages (2, 3) includes drive wheels (10) and drive elements for moving the carriage in relation to the first carriage (1).

Abstract: Mechanized and fully automatically managed installation for the storage of objects, in particular motor vehicles or containers, including a central managing unit, at least one runway (14) or (16), storage cells (24), (26) distributed on each side of the runway and longitudinally orientated, at an angle of between 30.degree. and 60.degree. with the runway, at least one trolley (18), (22) comprising a wheeled frame fitted with an independent driving device and with guiding devices to enable the trolley to move along the runway and into the storage cells. The trolley includes a pivoting device, to be pivoted around the intersection point of the symmetry axis (16) of the runway and the symmetry axis (28) of the cell in which the motor vehicle has to be loaded or unloaded, so as to bring the guiding devices along said symmetry axis of the cell so the trolley can enter it and proceed with the loading or unloading of the vehicle.

Abstract: An automated parking garage simultaneously parks and retrieves multiple vehicles. Each vehicle entering the facility is videotaped to make a record of its physical condition prior to entry into the garage to protect the garage owner from baseless damage claims. Vehicles are simultaneously measured and entry into the garage is denied to oversized vehicles. Upon being granted entry, a customer parks the customer's vehicle on a pallet near the garage entrance and leaves the facility. In single floor designs, the pallet is carried by a self-propelled carrier to a parking space by a series of longitudinal and transverse movements on rails. A multiple story embodiment employs a lifting device that includes a pallet support member that shuttles back and forth between two contiguous floors.

Abstract: A storage system (10), preferably for vehicles comprising a plurality of storage bays (11) each having an opening, at least one moving device (15) movable to be adjacent the opening of any one of the storage bays (11) and transfer device (90, 20) for transferring objects (21) carried by the moving devices (15) into the storage bay (11). Preferably the storage bays (11) are arranged in two arrays and the moving devices (15) is capable of transferring an object to a storage bay (11) in either array.

Abstract: A parking system for a motor vehicle formed as a high-level rack storehouse including at least one rack-operating device for transporting a car, which is loaded on a pallet at a parking station, to one of a parking spot and an unparking station, and an arrangement for handling empty pallets and including a pallet-receiving device and a displaceable pallet-stacking device.

Abstract: A parking tower includes a plurality of layers, an elevator device mounted in a frame structure and movable up and down to each of the plurality of layers by means of a lifting device, at least one conveying device slidably mounted on each of the plurality of layers and movable horizontally in a parking zone of associated layer for supporting a car thereon, at least one pair of pinions mounted in each of the plurality of layers and each meshing with a corresponding rack of the conveying device, at least one pair of transmission devices mounted on each of the layers and each actuated by a driving device for rotating a corresponding one of the pinions, at least one pair of manipulating devices each detachably connecting between a corresponding one of the transmission devices and associated pinion.

Abstract: The warehouse has a high storage density and is suitable for the storage of bulk goods. The warehouse has at least three superimposed storage areas. A storage area is laid out as the operational level for the storage and withdrawal of the goods. A further storage area consists of a storage level with one or more superimposed storage levels for storing and consigning goods. A further storage area is used as an auxiliary operational level for preparing roller pallets and taking them to the operational level.

Abstract: A parking garage in which parking zones are arranged at both sides of a self-running lane, and slat conveyers are arranged at the lane and the parking zones, such that a vehicle that has run on the lane is conveyed to one of the parking zones by the slat conveyers. At exit, a vehicle in one of the parking zones is conveyed to the self-running lane by the slat conveyers, and it runs by itself on the lane to exit the garage.

Abstract: A parking device contains parking boxes (20) for parking cars in two high storage racks arranged to either side of a conveying floor (14). A hoisting appliance (64) is longitudinally movable on the floor (14) between the high storage racks has a vertically and telescopingly horizontally adjustable conveying table (70). At the side of a rack (10) opposite the floor an entrance and departure station (24) is disposed having rest combs (30) projecting from both outer sides into the car track areas, between which complementary transport combs (36) of a shiftable lifting table (34) can be moved vertically and from there horizontally in relation to a parking box (20) formed as a transition place (50). Transition place (50) and all parking boxes (20) contain rest combs (51 and 86 respectively) on both sides, which interact with transport combs (80) fitted on both sides of the hoisting appliance conveying table (70) for receiving and transferring of cars.

Abstract: A reliable motor vehicle parking installation having an economical construction is provided and includes an extremely flexible structure to maximize the available space. Its construction can extend above and/or below the ground. The installation includes a load-bearing structure having at least one tower with multiple cells arranged in superimposed horizontal rows. Each cell has at least one pair of longitudinal horizontal guide members disposed perpendicular to the horizontal rows of cells. A platform moves along a vertical structure, which is itself movable horizontally, parallel to the horizontal rows of cells. The platform has at least one pair of longitudinal members arranged in the same member as the longitudinal member of each cell. Multiple trays are provided each of which includes a pair of vehicle parking runways, and an actuator moves the trays between the platform and the cells of each tower.

Abstract: An automatic power-driven apparatus is provided for storing objects, particularly motor vehicles. The apparatus comprises at least two vertically-arranged levels, each having a closed-circuit transit track provided with two longitudinal transit lanes, four rows of storage cells extending on either side of each transit lane, and at least one lift which is movable between a loading and/or unloading bay and each level, each of the lifts being arranged so that it takes up the same space as a storage cell. The apparatus further comprises, on each level, at least one self-driving trolley, and a trolley-guiding device for moving the trolleys along the transit track, each trolley being provided with devices for loading and unloading the objects.

Abstract: A multi-deck parking structure includes a plurality of decks for storing pallets constructed to carry vehicles, respectively, an entrance section for receiving and delivering vehicles, and a movable unit for moving upward and downward through a vertical shaft extending laterally of the decks into the entrance section, to transport the pallets between the entrance section and the decks. The movable unit has pallet supporting fork assemblies extendible to and retractable from the decks, and footpath floors for allowing a person to walk thereon. The footpath floors are vertically movable relative to the pallet supporting fork assemblies.

Abstract: An automated high-raised parking system includes a parking rack structure having a plurality of racks disposed one above another for parking an automobile, an entrance/exit section for allowing entrance and exit of the automobile and a lift-translator device for transporting the automobile between the entrance/exit section to the racks. The lift-translator device includes a lift table vertically movable along a lift passage extending along a side of the parking rack structure and communicating with the entrance/exit section. In this system, the invention provides a shielding member for shielding an upward view from the entrance/exit section up through the lift passage when the lift table is positioned at the entrance/exit section for entrance or exit of the automobile.

Abstract: A multi-story transverse shifting type automatic parking device is described which is suited for a multi-story parking building. Each floor of the building is divided into at least one row of equal blocks, each row of equal blocks being formed with an elevator passage way centrally located and at least two parking units on the opposite sides of the elevator passage way. At least one lifting gearframe is installed in the elevator passage way and is driven horizontally from one row to another with a lifting gear mainframe which includes a mother elevator driven vertically and a multi-story daughter elevator driven to move vertically in the mother elevator. A plurality of pairs of transverse shifting mechanisms respectively fastened in each floor of the building are provided and each pair of which are fastened at opposite sides of the elevator passage way.

Abstract: An automatic automobile parking garage is provided, particularly an underground parking garage having an entrance at ground level, which is the location of the roof of the parking garage. One or two vertical arrays of automobile loading stations are provided, and at the roof, there is an automobile loading station. An elevator carries a pallet, and means for pushing the pallet laterally onto an automobile loading station, and then pulling the pallet, with the car on it, from the elevator base, the elevator base then being lowered until it is opposite an automobile storage station, where the pallet with the automobile on it is pushed laterally by pushing apparatus onto the automobile storage station. The automobile storage station comprises a pair of parallel, horizontal cantilever support beams, which support a pallet and an automobile thereon. A hatch is provided which is of a size and shape to cover, or close, the opening.

Abstract: An automatic car parking system comprised of a parking rack and at least one car lifting feeder. The parking rack is divided into a plurality of parking spaces. The car lifting feeder has a pair of comb-like wings for carrying a car into a pair of comb-like platforms which are made on each parking space in the parking rack.

Abstract: An apparatus for a solid parking installatin to load several automobiles in a limited space is disclosed herein. This apparatus includes a solid parking installation of the apartment type which has a plurality of floors and loading spaces that are mutually crossed and assembled from H-shaped steel. Chains for driving are mounted to the horizontal shaped beams, the position of the chains being determined by the height of the solid parking installation. Wires and extensible springs are connected to one end of the chains. A cage is provided for moving along a guide rail, the guide rail being installed at one side of the solid parking installation. A system for shifting the cage to the right and left, is installed within the cage, which cooperates with a system for shifting the cage to the right and left, located along the horizontal H-beams. A motorized system for rotating a table, fixed to the cage is included. Finally a system for controlling the tension of the chain is included.

Abstract: A multistory parking space wherein at least one parking floor is located underground. An entry way and an exit way for vehicles of the multistory parking space are provided with an entrance lift and an exit lift, respectively. The parking floor is provided with at least one power carrier and a large number of parking pallets, and vehicles are transferred between the lifts and the carrier and between the carrier and the pallets by conveyors. Shutters are provided between the lifts and the entry and exit ways, and the lifts and the passenger ways to prevent accidental falling of a vehicle or a passenger.

Abstract: An automatic multi-level storage structure including a building structure having at least one entrance and exit station, a main floor directly accessible from the entrance station, and a plurality of storage levels, a plurality of object pallets provided with wheels and adapted to carry objects to be stored. The pallets are movable along, and guide by, a first track fixedly attached to the floor of the levels. There is also provided at least one storage elevator adapted to accommodate the object pallets and to move between the main floor and the plurality of storage levels, and transfer platforms permanently located in the elevator and provided with a second track fixedly attached to the platform. The second track is adapted to accept and guide the wheels of the object pallet, and is furnished with a driver for moving the object pallet onto and off of the transfer platform.

Abstract: A storage system, in particular a multi-story car park, comprises a displaceable lift (10) resembling a tower and transport pallets (8) with a guide rail on their lower side. The pallets (8) are gripped by the transfer device (47) forming part of the lift (10), which transfers them from the roller rails (20) of the lift (10) to stationary roller rails (7) of the parking places.

Abstract: Storage and retrieval apparatus and method using pallets for storing vehicles and other loads. A number of storage levels aligned vertically are reached by a pair of lifts in shafts which bracket the levels. A transfer mechanism can push a pallet and automobile from either lift onto any level. Each level is always filled with pallets and sized to exactly hold an integral number of pallets. When a pallet is pushed into a level from one lift the intermediate pallets are pushed laterally to the opposite lift, resulting in the farthest pallet being ejected onto the opposite lift located at the same level. Separate loading stations are provided on ground level for each lift. An automobile can be driven on or off a pallet or a load placed on or off a pallet at the loading station. A loading station mechanism can move a pallet with a load to be stored from the loading station onto a lift.

Abstract: A space-saving boat and automobile parking system for marinas uniquely utilizing a pallet for sequential storage of either a boat or an automobile whereby land and space requirements for vehicular parking are significantly diminished.

Abstract: A vehicle elevator and conveyor arrangement in a parking building of the kind in which the vehicle is intended to be conveyed in the building without the assistance of a driver. The conveyor arrangement includes a so-called transfer carriage which is intended to raise and lower all wheel of the vehicle and which can be moved in a horizontal plane in the building and also in a vertical direction by means of the elevator arrangement, which elevator arrangement includes an elevator platform for supporting a transfer carriage. Each of the stories or floors of the parking building on which a transfer carriage (31) is intended to be moved is provided with two parallel rails (50, 51) which form a horizontal transfer-carriage conveyor path or track (71). One or more elevator shafts (61, 62) are positioned along the longitudinal extension of the rails.

Abstract: A parking apparatus includes a multi-storied building having at least one parking position on each of its stories, and a transporting device having a central portion and four primary sides each of which is capable of adjoining thereto the parking position, and is capable of vertically moving a car to any one of the stories of the building and of conveying the car between the central portion and the parking position.

Abstract: There are defined a lift space (E) and multi-storied housing spaces (X, Y) provided on at least one side out of the left side, right side, front side, and rear side of the lift space (E). A three dimensional housing apparatus comprises a liftable fork unit composed of a pair of liftable forks (5a, 5b) movable up and down in the lift space (E), and a plurality of traversable housing forks (20) each reciprocatingly movable between a corresponding housing space (X, Y) and the lift space (E). An object (C) to be housed can speedily and safely be warehoused in and delivered from a respective housing space (X, Y) by the liftable fork unit (5a, 5b) and a respective traversable housing fork (20).

Abstract: An elevated garage which includes a vertical framework structure having an entrance, through which cars are introduced; a plurality of parking spaces for accommodating the cars, wherein the packing spaces are piled in vertical one or more rows; an elevator including a lift movable up and down in the framework structure, the lift being adapted to receive a pallet on which the car is placed; an expander provided on the lift, the expander being expandable toward the parking space; a shelf provided in each parking space in such a manner as to be free from the expander, the shelf being adapted to support the pallet; and a rotor for turning the car into an appropriate posture for riding on the pallet.

Abstract: A vehicle parking garage has a plurality of storage areas arranged in a vertical column and a passageway beside the column in communication with the storage areas. Each storage area has associated therewith a storage member adapted to receive and contain a pallet. Each storage member has a storage position within a storage area and a loading position within the passageway and is adapted to move laterally between its storage and loading positions. A pair of spaced vertical track sections are mounted to each storage member and extend partially into the passageway when the storage members are in their storage positions with the track sections of adjacent storage members aligning vertically to define a pair of vertically extending tracks within the passageway.

Abstract: A multi-floor elevating parking station constructed of a stable frame set under ground and containing a parking frame which is divided horizontally into a plurality of parking rooms or floors with steel plates. The parking frame can be raised up and down to make each floor or each parking room even with the ground surface so that a car can be parked in or driven out. Besides, the top steel plate of the parking frame can be used as a drive-way when the parking frame is lowered down to the bottom of the stable frame.

Abstract: A system for moving objects such as boats to be stored between the water and a storage stall. The system includes a tower assembly, a support assembly and a transport assembly. The tower assembly includes a fork adapted to support and to raise and lower the boat to be moved. The support assembly has an upper base member for supporting the tower assembly, a lower base member, and a motor to cause rotational motion of the upper base member and tower assembly with respect to the lower base member about a vertical axis. The transport assembly includes rails for guiding the support assembly and tower assembly for movement in the horizontal plane.

Abstract: A multistory parking garage has a central core defined by four vertical columns, and a plurality of pairs of columns, each pair defining a plane parallel to the plane defined by pairs of vertical columns, defined bays containing vertically spaced parking cells, each cell adapted to hold two vehicles. An elevator is contrained to move only vertically within the central core, is enterable from any of four directions, and is capable of carrying two vehicles at a time, preferably in a nose to tail orientation.

Abstract: A floating storage facility for storing small boats not greater than a predetermined length. A floor system comprising a network of longitudinal and lateral support members disposed over flotation blocks provides support for the building. A pair of spaced parallel weight supporting beams are disposed centrally over the flotation members on each side of the storage facility. The parallel beams support a plurality of columns which support a pair of parallel spaced crane runway rails disposed along the upper portion of the building. The weight of the building is distributed over the flotation device to provide a central stabilized loading point for the building. The building has a lightweight metal frame cover disposed overwardly with the outer walls.

Abstract: A parking system for cars has a plurality of parking shelves disposed horizontally and vertically on both sides of a central zone of vertical movement, one car being carried to and from the shelf by a carrier activated by its driving gear means to raise on vertical racks in the central zone and to perform its lateral movement in the parking shelf at its parking level where a series of rams make the racks discontinuous and from the shelves, on both sides, extensible rails extend their mobile parts beneath the carrier when it is arrived at its parking level; the driving means of the carrier being: the car itself, a motor of the carrier, or the car for the loaded carrier and the carrier's motor for the unloaded carrier; the unloaded carrier being stored either in a central basement or in parking shelves.