Abstract: A storage rack with a front beam having a readily accessible wire track formed therein is disclosed. The storage rack comprises front and rear beams which are inverted generally V-shaped channels which roll on to side beams to form the shelf. The front and rear beams are secured into the side beams by interlocking projections and notches. The front and rear beams can span one or more bays of storage racks and a use simplified design to facilitate assembly. The front beam has an external lip which terminates in an upturned wall. The beam is continuous across one or more bays or racks and provides an accessible track for wire or cable to traverse a part of, or the entire length of the storage rack. The front beam further includes a lock-in angle plate mounted to the top thereof. A wire or cable traversing the beam can connect electronic panels which slide or snap into the front of the beam between the upturned wall and the angle plate.

Abstract: A pickface conveyor including two or three load storage stations and including a trolley movably positioned on an inclined track. A first load support is shiftable vertically about an over center linkage to facilitate the transfer of loads from the first load support to a second load support. The first load support can be positioned at the first station with the second load support comprising the trolley, or the first load support can be mounted on the trolley with the second load support comprising the second station.

Abstract: A storage rack system having a plurality of storage bays adapted to store pallet loads that are seven pallets deep is disclosed. One storage rack system disclosed includes six carts each adapted to support a single pallet load and being supported on track means for movement from a forward position to a back position. Another storage rack system disclosed includes a first cart for supporting a single pallet load, and two double carts each adapted to support two pallet loads, the carts being supported on track means for movement from a forward position to a back position.

Abstract: A storage rack system having a plurality of storage bays adapted to store pallet loads that are seven pallets deep is disclosed. One storage rack system disclosed includes six carts each adapted to support a single pallet load and being supported on track means for movement from a forward position to a back position. Another storage rack system disclosed includes a first cart for supporting a single pallet load, and two double carts each adapted to support two pallet loads, the carts being supported on track means for movement from a forward position to a back position.

Abstract: A material handling system incorporates one or more interface trolley systems comprising a plurality of trolleys disposed adjacent one another and slidable on guides disposed parallel to one another either individually or in groups. The material handling system comprises one or more racks, each of which includes a series of columns of storage locations. The or each trolley system is disposed at the base of one or more of the columns, and the or each rack includes a lift mechanism located and arranged to move materials and articles into and out of the storage locations and deliver them to or retrieve them from individual or plural trolleys of the or one of the trolley systems under operator control or automatically.

Abstract: A rack, and particularly a pallet rack which comprises at least two pairs of spaced, parallel rails. The pairs of rails typically carry at least one rolling cart for receiving a pallet. The rails are carried on at least a first beam and a second beam, the beam is being positioned and spaced in generally parallel relation to each other, and positioned transversely of the rails. A plurality of spaced, first columns are connected to and support the first beam, while a plurality of spaced second columns connect to and support the second beam. There are present a greater number of second columns than first columns, with the second columns being more closely spaced together than the first columns. By this, a greater load may be carried by the second beam, preferably without the second beam being stronger.

Abstract: An apparatus and a method for retrofitting a storage rack assembly with a push-back system. Rail structures on which a push-back cart will travel are attached to an existing storage rack assembly with no or slight modification of the existing storage rack assembly. The push-back storage system may be retrofitted to a variety of different prior art storage racks; for example, a selective rack assembly or drive-in rack assembly.

Abstract: There is provided an improvement in a display rack for storage batteries and the like providing gravity flow of batteries to the front of the rack for retail customer selection and pick-up. An inwardly opening generally C-shaped front beam is secured to the front of the frame defining an array of equally spaced notches and projections, and an inwardly opening generally C-shaped rear beam is secured to the rear of the frame and also defines an array of equally spaced notches and projections which are laterally aligned with the notches and projections of the front beam. Shelf assemblies extend between the front and rear beams, readily adjustable laterally to accommodate various widths of batteries. Each self assembly is formed of a U-shaped member carrying a plurality of freely rotatable rollers. The front end of the U-shaped member fits into the notches of the front beam and the web of the U-shaped member is notched at its rear to permit positioning and support of the member into the notches of the rear beam.

Abstract: A push-back storage rack is provided for the storage of pallets. The storage rack includes a frame having at least one pair of spaced apart roller track assemblies, each being formed of a pair of two transversely spaced, longitudinal arrays of rollers to form a guide space between the rollers. At least one glide tube or pallet carrier truck rides on the rollers. Each glide tube is formed of a pair of transversely spaced frame members, each frame member having a lower rail portion riding on the rollers of one of the roller tracks. A guide is formed on the rail portions, and the guide extends into the guide space between the transversely spaced array of rollers. The track assemblies are inclined forwardly and downwardly toward the front of the storage rack, so that pallets may be loaded by pushing a first pallet backward on the glide tube, and the pallet on the glide tube will flow toward the front of the storage rack when the pallet in front of it is removed.

Abstract: A storage rack with novel front and rear beams is disclosed. The beams are inverted generally V-shaped channels which roll on to side beams to form the shelf. The front and rear beams are secured into the side beams by interlocking projections and notches. The front and rear beams can span one or more bays of storage racks and a use simplified design to facilitate assembly. The front and rear beams, being continuous across one or more bays or racks, provide a track for wire or cable to traverse a part of, or the entire length of the storage rack. The wire or cable traversing the beams can connect electrical inventory control devices without the need for external cables or wire conduit.

Abstract: A method and apparatus for merchandising product by gravity feeding that product to the front of a rotatable shelf. The product is supported upon a shelf which is in turn supported from a low friction support for rotation about an axis slightly tilted relative to a vertical plane with the shelf slightly tilted relative to a horizontal plane. The orientation of the shelf is such that the low point of the shelf is at the front of the shelf so that when displayed product is removed from the front of the shelf, the center of gravity of the shelf shifts and the weight of the product remaining on the shelf causes the shelf to rotate so as to relocate new product to the front of the shelf.

Abstract: A tool changing apparatus for changing the punches and dies on a turret punch press is disclosed, wherein a carriage device provided with a upper rotatable disk on which a plurality of punches in removably supported, and a lower rotatable disk on which a die holders supporting a plurality of dies is removably supported, is positioned at the side of the turret punch press. A punch mounting/dismounting device is further provided for dismounting a punch from and mounting a punch on the upper rotatable disk and for dismounting a punch from and mounting a punch on an upper turret disk on the turret punch press. The punch mounting/dismounting device is adapted to transport the punch between the upper rotatable disk and the upper turret disk. A die mounting/dismounting device is yet further provided for moving the die holder back and forth between a lower turret disk on the turret punch press, and the lower rotatable disk.

Abstract: A system for merchandising a plurality of discrete products is disclosed. The system comprises a frame comprising a front and rear support assembly, a front cross-member and a rear cross-member. An outer pair of spaced, inwardly tapered, parallel roller tracks extend between the front cross-member and the rear cross member. A plurality of bi-directionally tapering roller tracks are disposed in parallel between the outer pair of roller tracks and extend between the front cross-member and the rear cross-member. Each of the roller tracks cooperate with an adjacent one of the roller tracks to form a generally V-shaped guide for sequentially delivering product. The bi-directionally tapering roller tracks are laterally adjustable to selectably adjust the width of each of the guides.

Abstract: A storage system for storage and retrieval of material goods, including a lift having a vertically traveling endless lop and inserter assemblies for inserting containers onto a storage carousel while the carousel remains in continuous motion.

Abstract: An automated work center for use in materials handling operations is disclosed. The work center includes a randomly accessible vertically moving temporary storage queue 11 for receiving containers 25 that hold material goods. A fixed loading ramp 20 is arranged to receive containers 20 from an external system and to load the received containers onto the storage queue 11. A work area 5 having a plurality of rotatable work tables 7 provides an gives the operator access to the containers. A delivery system 14 transfers containers between the storage queue 11 and the work tables 7 and a takeaway system 16 transfers containers between the work area and the conveyor network. An automated control system 17 coordinates the delivery of containers between the temporary storage queue 11 and the work area 5. A consolidation queue 18 having a multiplicity of vertically spaced shelfs may be disposed opposite the work tables 7 to facilitate the consolidation of ordered goods.

Abstract: A dishwasher having a unique racking system mounted therein is provided. The dish racking system includes a lower rack having a side wall extending substantially higher than the front, rear and other side walls to define a protective barrier between a side panel of the washing chamber and various large articles placed adjacent the side wall for washing. An upper rack is supported above the lower rack. The upper rack has a bottom support means including at least one upwardly stepped portion adjacent the high side wall of the lower rack. A pivotal shelf is located generally intermediate the bottom support wall and the upper edge of the high side wall of the lower rack. A pivotal shelf can be similarly provided in the upper rack.

Abstract: Storage rack systems having a plurality of storage bays adapted to store pallet loads that are multiple pallets deep are disclosed. Each of the storage rack systems includes an interlocked cart assembly constructed and arranged to move along the same track of a pair of track means, the interlocked cart assembly including a first cart movable along said track between a forward position and a back position and a second cart interlocked with said first cart and movable along said track between a forward position overlying the forward position of said first cart and a back position one pallet length farther back then said back position of said first cart.

Abstract: A storage system for storage and retrieval of material goods, including an extractor assembly for extracting containers from the storage carousel while the carousel remains in continuous motion.

Abstract: Storage rack systems having a plurality of storage bays adapted to store pallet loads that are three, four and five pallets deep are disclosed. Each of the systems includes a pair of outer tracks extending the full depth of the storage rack and a pair of inner tracks located inside of the outer tracks and extending for a short distance. A lower cart for each of the three, four and five deep systems is provided with a pair of front wheels which ride on the outer tracks and a pair of rear wheels which ride on the inner tracks.

Abstract: A warehouse storage rack organization capable of accommodating pallets arranged in four-deep push-back relation is described in which three carts that move along a single pair of rails permit internested disposition of the carts when they are unloaded, and the sequential movement of load-bearing carts by the imposition via a forklift of subsequent loads on the remaining carts. The organization utilizes only a single pair of rails to achieve the desired result, which rails are formed of conventional structural members whereby the cost of production of the organization is significantly reduced.

Abstract: An improved push back pallet rack for loading and unloading pallets in which parallel channels inclining upward and rearward from a front of the rack on which pallets are stored are joined along their length and have longitudinal grooves, convex within each channel, to provide a lateral bumper guide(s) and a track on which carrier rails to support a pallet are mounted with rollers having concave rolling surfaces to roll on the track and are adapted with self-righting rolling surfaces.

Abstract: A pallet return pallet rack storage system of the pushback rack type is provided where the wheeled carts may be selectively and automatically transferred from a pair of feed rails to a pair of return rails.

Abstract: A dishwasher having a unique racking system mounted therein is provided. The dish racking system includes a lower rack having a side wall extending substantially higher than the front, rear and other side walls to define a protective barrier between a side panel of the washing chamber and various large articles placed adjacent the side wall for washing. An upper rack is supported above the lower rack. The upper rack has a bottom support means including at least one upwardly stepped portion adjacent the high side wall of the lower rack. A pivotal shelf is located generally intermediate the bottom support wall and the upper edge of the high side wall of the lower rack. A pivotal shelf can be similarly provided in the upper rack. Attachable to either the lower or upper rack is a divider means. The divider means includes means for pivotally mounting a pair of the divider means on the bottom wall of either the upper or lower racks.

Abstract: A protective hood for a tool holder with a conical part and a draw-in member connected thereto is disclosed, wherein the protective hood has a cover piece, which is adapted to the conical part and envelops this conical part so as to be soil-proof, and a flexible clamping device, which locks detachably the draw-in member.

Abstract: A multiple carriage rack assembly is described wherein storage load supporting carriages are employed of consistent widthwise dimension. This consistent width is achieved through the utilization of a rolling suspension of the carriages on two rails which is designed such that the forwardly disposed wheels of one carriage ride upon a wheel receiving surface of a next forwardly adjacent carriage, while the rearward wheels of all carriages ride only upon the two rails. By providing rearwardly disposed, downwardly depending rear wheel support components of incrementally increasing lengths, the storage surfaces of the carriages remain mutually parallel and the carriages readily are nested at the front accessing and placement position within any given bay. The structure also permits the employment of a substantial number of carriages within a given bay of a warehousing racking facility.

Abstract: A pallet rack has carts which can nest and un-nest while running on the same sets of rails.

Abstract: An upright, generally cubicle sheet metal mail sorting rack for at least temporarily storing a plurality of trays filled with items of mail. Each cabinet comprises a pair of rigid, spaced apart end panels of generally rectangular dimensions. A plurality of vertically spaced apart retractable shelves are supported within the cabinet between the end panels by a dynamic mounting system. The shelves can be manually displaced from a retracted within the cabinet to an extended, tilted position facilitating tray access. The mounting system comprises a pair of segmented tracks for each shelf, and suitable wheel bearings which ride upon the tracks. Each segmented track comprises separate horizontal and angled track members mounted on the interior of the cabinet end panels. Pairs of wheel bearings project outwardly from each shelf end; front wheel bearings ride on the horizontal track and the rear wheel bearings ride on the angled track.

Abstract: A warehouse storage rack organization capable of accommodating pallets arranged in four-deep push-back relation is described in which three carts that move along a single pair of rails permit internested disposition of the carts when they are unloaded, and the sequential movement of load-bearing carts by the imposition via a forklift of subsequent loads on the remaining carts. The organization utilizes only a single pair of rails to achieve the desired result, which rails are formed of conventional structural members whereby the cost of production of the organization is significantly reduced.

Abstract: A rack includes a shelf in which the means for connecting the shelf members together and for locking the shelf members together are integral with the shelf members.

Abstract: A method for producing concrete paving stones includes slidably mounting paving stone molds in a vertical row in a rack; sliding one mold to a different depth in the rack; filling the mold with concrete; sliding the mold to its original position; and filling the other molds in a similar manner.

Abstract: A fastening and/or support device for roller bars on support rails which extend transversely of the roller bars, particularly in continuous shelf systems. The device includes locking bars which extend in longitudinal direction of the support rails and can be fastened to the support rails, wherein the ends of the roller bars can be fixed in predetermined locking recesses provided on the locking bars, and wherein the locking recesses are arranged distributed, preferably uniformly, over the longitudinal direction of the locking bar. A head member each is provided between the locking bar and the corresponding end of each roller bar. Each head member has at the underside thereof several locking projections which are spaced from each other at a distance which corresponds to an integer multiple of the difference between two adjacent locking recesses.

Abstract: A printer sled (20) comprising a platform (42) for computer printer (22), the platform (42) mounted on a frame members (44) to which freely-rotating grooved wheels (47) are mounted and which engage corresponding tracks (39, 40) mounted atop a framework or cabinet (21) and extending in the same direction as the movement for the sled (20). A manually-operable tab (57) in a frame member (44) provides release of its stop member (60) from frictional engagement with one of the tracks (39, 40) in order to slide sled (20) to any point across the width of the frame work (21). Thus, the printer (22) can be disposed over any one of different-sized paper stacks 928) from which its paper is fed into the printer (22). Catching means (66 or 85) for catching printed paper are included with sled (20) and can be mounted thereto at the front or rear of the framework (21).

Abstract: A rack having rolling carts that roll together one on top of the other. The second cart may define front and rear wheels that roll on outwardly facing tracks of the rails, while the first cart defines at least rear wheels that roll on inwardly facing tracks of the rails. Front wheels of the first cart may roll on the outwardly facing tracks, to make room for skid support means carried between a forward portion of the rails.

Abstract: An apparatus for handling cargo consisting of a pair of elongate supports. The supports are secured in parallel spaced relation to a cargo box of a delivery vehicle. A rectangular platform is provided having longitudinal edges which engage the supports. The platform is movable between a position extending from the supports and a position retracted within the supports. Movement of the platform is limited in the extended position to preclude the separation of the platform from the supports.

Abstract: This invention relates to a relatively smallsized computer mount carrier rack which can be collapsed when it is housed, stored or conveyed. The carrier rack has such a structure that a computer mount panel is connected to the rear frame structure pivotable around a common axis of both-side joints and slidable by a pair of pins of the joints with respect to left and right columns of the rear frame structure, the rear frame structure is provided with left and right side frame structures which are connected thereto by pivotable joints and collapsible one over the other by rotating them around the axes of the joints so as to overlay the side frame structures on the rear frame structure and deform three structures into triple layer, and that the folded computer mount panel is received within a space defined by the rear frame structure and the collapsed side frame structures, thereby deforming the whole of the disassembled carrier rack into planar configuration.

Abstract: A storage apparatus (10) for converting a standard drawer (12) into a multiple level drawer having a stationary base tray (24) and a shiftable upper tray (26). The base tray (24) is secured to the front of the drawer (12) and includes laterally extending filler flanges (44, 46) on right and left sides of the base tray (24). The upper tray (26) is detachably secured to a support panel (54). Alternatively, a cutting board (82) can be stored on a support panel (54') instead of the upper tray (26). Roller and track assemblies (30, 32) interconnect the support panel (54) of the upper tray (26) to the base tray (24). The upper tray (26) is shifted until it extends through an opening (76) formed in the rear wall (18) of the drawer (12). The roller and track assembly (30, 32) preferably includes channels (60) secured to the upstanding walls (34, 36 ) of the bottom tray (24) and bearing members (62) secured to the channels (60).

Abstract: A multiple depth storage structure includes tilted, parallel rail assemblies in a storage bay. A first, single depth rail of each assembly is rollably mounted on a second, double depth rail, which is rollably mounted on a third, triple depth, fixed rail. Outer rail assemblies, having an upper outer rail rollably mounted on a lower outer rail, may be located outwardly adjacent each rail assembly. A first load is placed on cross supports joining the upper outer rails, if so equipped. Loads are successively accepted on the first rails, forward depth of the second rails, and forward depth of the third rails. Successive loads push back previous loads, and removal of each load causes positioning of the remaining loads and the rails for facile removal of a previous load or acceptance of a next load.

Abstract: Mobile shelving apparatus comprises rails that are leveled by stacks of interlocking shims. The shims are placed under and interlock with rail support brackets at the joints in the rails. Rail spreaders used to align the rails are also leveled with and interlock with the shims. The mobile shelving apparatus includes a carriage platform supported on the rails by wheel assemblies that are assembled to the platform without fasteners. Wheels are retained to bearings by swaging portions of the wheels onto the bearing outer races. The bearing inner races are retained on respective shafts by swaging rings onto the shafts. The wheel assembly shafts are secured to the platform by swaging the ends of the shafts to the platform. The invention further comprises an upright anchor clip for joining the platform to the carriage framework that stores selected items.

Abstract: A pallet rack comprises a least one pair of spaced, parallel rails and at least one wheeled cart mounted in rolling relation with the pair of rails and defining a load-carrying area. By this invention a cross brace extends between the rails, being positioned to support the bottom of a weak or poorly placed pallet placed on the rails adjacent the front end. The cross brace defines a space adjacent each of the rails to permit the front end of the cart to roll to the front end of the rails between the cross brace and each rail. The cart comprises a pair of wheel-carrying side members positioned parallel to the rails, plus transverse support members connecting the side members. The transverse support members are spaced from the cart front end by a distance sufficient to allow the front end of the cart to roll between the cross brace and each rail.

Abstract: The present invention provides a truck frame-mounted tool box glide system that can carry a hinged-lid type tool box. The glide system can store the tool box out of the way beneath a truck flat bed. The system permits the tool box to be pulled laterally out from the side of the truck until the box lid is completely exposed so that the lid can be swung upward to fully expose the box interior. Such a system permits full utilization of the tool box interior, even for heavy objects that can be lifted vertically into and out of the box. The system may provide for dual tool box mountings, where one tool box is mounted to each side of the truck.

Abstract: A storage rack system having a plurality of storage bays adapted to store pallet loads of three pallets deep is disclosed. Each of the storage bays includes a pair of tracks having a lower cart and an upper cart movable along the tracks between a forward position and a back position. The forward positions of both the lower cart and the upper cart are located at the entry end of the storage bay, the back position of the lower cart is located two pallets deep from the entry end of the storage bay and the back position of the upper cart is located three pallets deep from the entry end of the storage bay. Storage rack systems adapted to store pallet loads of four pallets deep are also disclosed.

Abstract: Storage rack systems having a plurality of storage bays adapted to store pallet loads of three pallets deep and four pallets deep are disclosed. The three deep system includes a pair of tracks having a double cart assembly movable therealong between a forward position and a back position, the double cart assembly comprising a large cart which rides on the tracks and a small cart carried by and movably mounted on the large cart for movement between a front and rear position. The forward position of the double cart assembly is located at the entry end of the storage bay and the back position of the double cart assembly is located to span two and three pallets deep from the entry end of the storage bay. The four deep system includes a pair of track means having a lower cart and an upper double cart assembly movable therealong between forward and back positions.

Abstract: A rack for supporting bulky objects is capable of sliding between an inclined position of withdrawal beneath the carrier basket of a shopping trolley and a horizontal position of use at the rear of the basket. Two sloping parallel wires superposed in the same vertical plane and having a smaller spacing at the front than at the rear form lateral guides for the rack and front support struts of the bottom frame. The movable rack has a flat, U-shaped structure of resilient wires so that its front portion is capable of elastic deformation in the transverse direction. At each front corner, the rack has a hook-shaped element slidably engaged in the corresponding lateral guide. The rear end of the rack is slidably mounted on a cross-member for supporting the rack in its position of rearward extension.

Abstract: A magazine for the maturation of cakes of synthetic foam material, for a plant served by a conveyor belt bringing the cakes for distribution in the magazine, and by an overhead crane with a gripper intended for lifting a cake from the belt conveyor, for shifting it laterally and for depositing the same into a maturation space, which comprises stands arranged parallel to and at the side of the belt conveyor; each stand comprises a frame which supports a fixed lower shelf whose width and length are adapted to the width and length of the cakes to be received, and above the fixed shelf, at vertical mutual distances somewhat greater than the height of the cakes to be received, a plurality of movable shelves for receiving the cakes; each movable shelf is shiftable between a working position, in which it constitutes a surface whose width and length are adapted to the width and length of the cakes to be received, and a rest position, in which it leaves free the access from above to the shelf lying below.

Abstract: A tool tray 10 which is attachable to the underside of a flatbed utility truck 1 and slidably supported by a pair of receiving channels 19 and 20 which are attached to the underside of a flatbed.Tool tray 10 is constructed from a rectangular frame having a pair of side members 11 and 12 and a pair of end members 13 and 14 which define the front and back ends. A rectangular bottom panel 15 is welded to the lower edges of side and end members thereby constructing a tray. A first pair of rollers 16 are each attached toward the back end of each side member and are disposed toward the upper edges of their respective side members to engage the upper lips of receiving channels 19 and 20. Likewise, a second pair of rollers 17 are disposed on respective side members toward the lower edges of the side members to engage the lower lips of the receiving channels 19 and 20.A rod 21 is provided and is rotatably attached substantially along the length of left side member 12.

Abstract: A pallet rack comprises at least one pair of spaced, parallel rails and first and second wheeled carts mounted in rolling relation with the pair of rails, the wheels of first and second carts respectively rolling on the same rolling surfaces. The front wheels of the second cart are positioned between the front and rear wheels of the first cart. As the result of this, the second cart can roll between a first, vertically overlying position relative to the first cart, and a second position where most of the second cart is spaced along the rails from the first cart.

Abstract: A pallet rack discloses a pair of spaced, parallel rails, plus first and second wheeled carts mounted in rolling relation with the pair of rails. The second cart is capable of rolling over the first cart to overlie the first cart without movement-obstructing contact therewith. In accordance with this invention, each rail of the pair comprises a vertical web and a pair of generally horizontal flange portions extending outwardly in opposed directions from the web. The wheels of the carts ride on the flange portions, with the wheels of one of the carts riding on the flange portion of each rail which is opposed to the flange portions on which the wheels of the other of said carts ride. At least a portion of the web stands above the flange portions to limit the lateral movement of the wheels.

Abstract: The specification discloses a simple, yet extremely strong and serviceable, mobile shelving carriage construction. A first extruded frame member defines integral screw bosses within its cross-sectional shape. A second frame member is secured to the first frame member by screws secured within the integral bosses. A roller axle is mounted in the first frame member and includes a circumferential groove aligned with one of the screw bosses. The securement screws interfit with the axle groove to retain the axle within the first frame member.

Abstract: Means for installing, adjusting and securing tracks of a gravity feed mechandise rack. Preferably, a strip bearing slots is spaced slightly above the horizontal support surface of each of the front and rear cross members of a shelf for the rack. Each track has a pair of cooperating side rails, preferably with in-turned lower edges. During assembly, each end of a track slides into slots while the in-turned edges slide between a strip and a support surface. The sizes of the tracks, strips and slots are such that the tracks may be placed into a locked position by simple longitudinal manipulation.

Abstract: A gravity flow storage system for storing pallets includes at least one pair of parallel and laterally spaced-apart conveyors having a plurality of rotatably mounted, parallel longitudinally spaced-apart rollers. The conveyors are disposed at an inclined angle to define a storage lane having a front lower end and a rear upper end. At least one pair of pallet carrier sets are provided, each of which is disposed respectively on an associated conveyor and includes at least two nested telescoping pallet carriers having an innermost and an outermost pallet carrier. The nested pallet carriers normally rest upon the conveyor rollers and are longitudinally displaceable on the associated conveyor via the rollers thereof. Corresponding pallet carriers of the carrier sets cooperate to support a pallet thereon.