Abstract: An inner plastic liquid container (25) includes a filling neck (41) in an upper wall (33) for filling the inner container and a front side outlet neck (40) for an outlet armature. A lower wall (28) interconnecting two side walls (30, 31), a rear wall (32) and a front wall (29) supports the container on a transport pallet (21) pallet base (26), which has an outer mantle (24) for receiving the container. The outlet neck is at a hopper bottom (39) of an outlet hopper (34) in the lower bottom wall. The outlet hopper has a front hopper wall (35) and inclined lateral hopper walls (36, 37) that are arranged at a hopper angle and each extend from a keel-shaped hopper base (38) to a lower edge (46, 47) of a side wall. A keel line (63) rises at another hopper angle from an outlet neck toward the rear wall.

Abstract: One feature pertains to a device that includes a main body having a bottle-receiving end that receives a bottle and forms a substantially airtight seal between the main body and an exterior surface of the bottle surrounding a mouth of the bottle. The bottle-receiving end has a bottom opening to allow for fluid-flow communication between an interior air cavity of the main body and a headspace of the bottle. The device further includes a stopper securement device, and a vacuum pump that evacuates air out of the interior air cavity and the headspace to create a vacuum or partial vacuum within the headspace. The device also includes a means for inserting the stopper into the mouth of the bottle using the stopper securement device after the vacuum pump evacuates air out of the interior cavity and the headspace.

Abstract: A container enclosure for removably enclosing a container, the enclosure including a base component and a cap component configured to be removably coupled to the base component. The base component includes an outer shell having a base wall and a cylindrical sidewall extending upwardly therefrom, and an interior sleeve configured to be inserted within the outer shell. Further, the cap component includes an opening and a sliding tab configured to transition between a rearward position and a forward position to open and close the opening, respectively.

Abstract: A flexible package is designed to contain a product, for instance a spice or a cosmetic product, and the flexible package is formed of at least two layers of flexible material joined together to create a closed package (volume). A dosage device is arranged on an inner face of the closed package, and the dosage device includes an elastic dosage membrane having a number of incisions over at least a part of its width and length, and includes an opening device configured to stretch the elastic dosage membrane.

Abstract: A method of forming a plastic aerosol container, including, providing a preform having a finish portion, blow molding a plastic container from the preform, and reforming the finish portion so that an inner surface thereof has an undercut defined therein proximate an upper rim fo the finish portion. The undercut includes a substantially horizontal orientation and reforming the finish portion is performed after providing a preform.

Abstract: A packaging system for shipping floral arrangements includes an elongated presentation box sized to hold a floral arrangement, such as a dozen roses. The presentation box includes two long side panels, a floor panel extending between the side panels, head end and a stem end panels each extending between the side and floor panels, a top opening defined by the side and end panels, and an elongated inner lid hingedly connected on one of its long sides to one of the side panels. The inner lid extends longitudinally from a first end adjacent to the stem end panel to a second end spaced away from the head end panel such that it folds over only a portion of the top opening and creates a presentation opening bounded by the head end panel, side panels and the second end of the inner lid for displaying the flowers of the floral arrangement.

Abstract: A fill device for use with a water reservoir tank in an earth reduction system, the fill device comprising a ring having a top surface and a bottom surface, a pipe having a first end connected to the top surface of the ring and a second end for connection to a water supply, a skirt affixed to the bottom surface of the center ring, an opening surrounded by a plate and defining a tortuous path and positioned below the first end of the pipe and the skirt, and a check valve support with a check valve mounted below the opening and the plate.

Abstract: An apparatus for distributing gases and, optionally, liquids into a control valve includes a collar and a plurality of gas distribution devices. The collar includes a first side, a second side opposite the first side, an inner bore formed through a central portion of the first side and the second side, an outer edge positioned between the first side and the second side and which defines an outer perimeter of the collar, an inner edge positioned between the first side and the second side and which extends around the inner bore to define an inside perimeter of the collar, and a plurality of passages that extend through the outer edge and inner edge without penetrating the first and second sides. The plurality of gas distribution devices are mounted into the passages of the collar.

Abstract: A thermal shield comprises an insulation layer having a space defined therein, wherein a low-conductivity material fills the space, and a valve configured to connect to a vacuum to remove air from the space, thereby increasing insulating properties of the insulation layer.

Abstract: A heating assembly for heating a liquid storage tank includes a heat exchanger tank supported in one wall of the storage tank to extend into the storage tank in contact with liquid stored therein. The heat exchanger tank contains a heat exchanger fluid therein which is heated by a burner tube extending through the heat exchanger tank whereby heat is only transferred to the liquid in the storage tank through the heat exchanger fluid. A controller actuates the burner head of the burner tube to maintain temperature of the heat exchanger fluid between upper and lower temperature limits. The operation of the burner head is interrupted in response to temperature of the liquid in the storage tank exceeding an upper limit, or fluid level in the heat exchanger tank being below a lower limit as determined by respective sensors.

Abstract: A curtain closure for the cargo opening of an air cargo container and the air cargo containers that have the same. The curtain closures include a fabric layer, and at least one of an insulating layer or a reinforcing layer attached to the inside of the fabric layer.

Abstract: An insulation system is configured for mounting to corrugated walls such as the walls of a shipping container. A first end has a first coupling surface and a second end opposite the first end has a second complementary coupling surface. Mating alignment portions are on a top surface of the panel and on a bottom surface of the panel. The second face includes a corrugated surface with a protruding first surface parallel to the first face, a recessed second surface spaced apart from and parallel to the first surface, and third and fourth surfaces extending between the first surface and the second surface, the third and fourth surfaces being orthogonal to the first and second surfaces.

Abstract: This application describes tank wrap systems that cover containers. The tank wrap systems include tank wraps having a single sheet of a first polymer having an interior surface formed of the first polymer that faces a container, and an exterior surface formed of the first polymer that faces opposite the interior surface. A first coupling member formed of a second polymer is affixed to the exterior surface of the single sheet, and the first coupling member is couplable to a second coupling member of another tank wrap to couple the tank wrap and the other tank wrap and allow the tank wrap system to removably cover the exterior of the container.

Abstract: A tool for removing a runner from an agricultural bin having a lever arm and a plurality of crossbars. The lever arm may be directly, or indirectly, engaged with a rotatable crossbar which may have a plurality of protrusions for engaging corresponding tabs of a runner. To use the tool, a user may align the protrusions of the rotatable crossbar with the corresponding tabs of a runner engaged within a leg of an agricultural bin, then the user may press down on the lever arm, causing the crossbar to rotate and engage the tabs. As the user continues to press down on the lever arm, the tabs eventually disengage from corresponding openings in the leg of the agricultural bin, allowing the user to remove the runner from the bin.

Abstract: Movable integrated system for waste collection, including a container structure, adapted to be installed at least partially above ground, the structure including a plurality of access doors to a plurality of waste collection compartments or containers contained in the container structure that are made of two-dimensional modular structure; the container structure integrates a waste compaction unit supplied by a respective access hatch and transferring compacted waste into the collection containers.

Abstract: Method for feeding in and for handling waste material in the channel section of a pneumatic wastes conveying system, in which method waste material or recycleable material is fed into a feed-in container from the input aperture of an input point of a pneumatic pipe transport system for material and onwards into the channel section between the feed-in container and the material conveying pipe, from where the material is conveyed along with the transporting air via the material conveying pipe to the delivery end of the pneumatic material conveying system, where the material is separated from the transporting air.

Abstract: An article transport facility includes an article transport device capable of moving along a moving direction in movement sections. The movement sections include a transporting movement section and an out-of-the-way movement section. A work platform includes one or more out-of-trajectory portions located to at least one side along a lateral direction with respect to a mast trajectory, and one or more in-trajectory portions which are located in an area of the mast trajectory that excludes an area in which the mast is located when the article transport device is in the out-of-the-way stop position. Each of the one or more in-trajectory portions is configured to be capable of being moved to a support position located in the mast trajectory, and to an out-of-the-way position in which the in-trajectory portion is out of the mast trajectory along the lateral direction.

Abstract: A drive carriage for a transport device, which drive carriage has an undercarriage, by means of which the drive carriage is movable along a drive rail. The drive carriage has a frame structure connected to the undercarriage, a slide supported by the frame structure and at least one driver which is coupleable to the transport device. The slide and the driver are mounted so as to be displaceable in relation to the frame structure. In addition, a transport system with such a drive carriage and with at least one transport device for an item to be transported is specified, in which the transport device is supported by at least one supporting carriage and the transport device has a driver which is coupleable to the driver of the drive carriage.

Abstract: A method of fulfilling orders in a warehouse with an order fulfillment area comprising the steps—storing slow-moving items in a first storage comprising mobile shelf units, automated transportation of slow-moving items needed for order fulfillment on the mobile shelf units from the first storage to an unloading station, where at least one of the slow-moving items needed for a certain order is manually transferred into a receptacle, routing of the receptacles directly to picking stations if needed right away, otherwise routing of the receptacles to a second storage and storing the receptacles therein. When all of the items to complete an order are available and/or are stored in the second storage, retrieving the receptacles containing items for fulfillment of the certain order and transporting to one of the picking stations for specific item retrieval for fulfilling the certain order.

Abstract: A device for selectively picking up and depositing articles to an automatic warehouse, comprising: a support plane (2), for the temporary support of an article (A); a temporary support (3), for the temporary support of a tray (V) intended to contain a predetermined number of articles (A); a manipulator (4, 5), structured to grasp and release an article (A) and to translate the article (A) between the support plane (2) and the temporary support (3). The manipulator (4, 5) and the temporary support (3) are movable relative to one another along a vertical direction, between a position of maximum distance and a position of minimum distance.

Abstract: In some embodiments, methods and systems for fulfilling consumer orders are provided. A stocking station includes at least one robotic stocking arm configured to unload a product from a first receptacle and to place the unloaded product onto a storage shelf, and a first picking station includes a first robotic picking arm configured to pick a first product from the storage shelf and to load the first product picked from the storage shelf into a second receptacle for delivery to a consumer. An empty receptacle placement station includes at least one robotic placing arm configured to place an empty second receptacle onto a packing conveyor configured to transport the empty second receptacle toward the first picking station for loading of the first product into the empty second receptacle. An electronic inventory management device transmits a signal the empty receptacle placement station and the first robotic picking arm.

Abstract: A roller conveyor having a bed of rollers supported by air bearings and driven by a linear-motor stator. The rollers are made of electrically conductive or magnetic material to operate as rotors forming linear motors with the linear stator. Air bearings support the ends of the rollers. Intermediate air bearings support the middle of long rollers in wide conveyors.

Abstract: A jump shuttle conveyor system is configured to receive formed food patties from a molding assembly of a patty forming machine. The system includes a lifting plate and belt assembly coupled to a frame which are configured to be indexed to different vertical positions relative to the frame. Formed food patties are received on a belt of the belt assembly thereon, and can be moved off of the belt onto a transfer shuttle conveyor system. An output conveyor system can be provided to receive the formed food patties.

Abstract: A transfer device for a transport container has a plurality of rotation/transport devices arranged in the form of a matrix. Each of the rotation/transport devices has a bearing for the transport container, wherein the bearing is formed at least as a three-point bearing and each of the rotation/transport devices has a dedicated drive for rotation purposes and a dedicated drive for transportation purposes.

Abstract: Disclosed is a method used to handle outer packages (10) with foldable top flaps (12; 12-v, 12-h, 12-l, 12-r). The handling can be carried out in association with a mechanical removal or introduction of articles (14) out of or into the outer package (10). The method provides the unfolding and/or the holding open of at least one top flap (12; 12-v, 12-h, 12-l, 12-r) in order to at least partly uncover an opening (16) to make accessible an interior space of the outer package (10), as well as providing the application of a tensile force (32) to the at least one top flap (12; 12-v, 12-h, 12-l, 12-r), the tensile force (32) being specified and/or variable over the course of the conveying phase. The invention includes a transport section (20) which carries out the method during the conveyance of outer packages (10).

Abstract: A conveyor system is provided. Conveyor modules are pivotally secured to one another through engagement of links on a first and second side of each module. Portals extend through the modules. Each portal comprises four portal surfaces oriented in opposing pairs. A radial slot is located on each of at least two portal surfaces. A cup is provided with four walls. Ridges are formed on the outside surfaces of at least two opposing walls of the cup. An orifice is formed on two opposing walls of the cup. A roller is rotatably mounted on an axle that extends between the orifices to position the roller inside the cup. The cup is secured inside the portal by engagement of the ridges with the slots. The cup and roller assembly may be rotated to change its orientation relative to the module.

Abstract: A typing off-loading and item separation system to automatically separate different parcel types includes an feed conveyor, receiving conveyor, sorting conveyor, cameras and photoelectric eye. Overhead cameras and/or photoelectric sensors detect the item size and whether it is cubic in nature and type and size of its footprint. An in-line slide sorter having alternating conveyor rollers and pop-up belts pass through to, or divert items from a downstream conveyor. A vison based system may also be used to detect space between articles and insert articles in the unoccupied space to maximize conveyor area, volume, or density by controlling conveyor speed.

Abstract: Disclosed is a method for presenting in a longitudinal line packages initially arranged in rows i, at a determined isolated-package pace D, using at least a regulating conveyor belt and two line-forming conveyor belts. After separating rows adjacent in the longitudinal direction, rows are sequentially presented onto the regulating conveyor belt, the dimensions of the spaces between end packages of the row and the reference inside and outside dimensions with respect to the regulating conveyor belt and the number of packages on the belt are measured optically, the speed of the line-forming conveyor belts for maintaining the determined pace D is calculated, the paths of the packages are calculated and the moment at which to release the packages of row from the regulating belt onto the line-forming conveyor belts so that the inside package of row i does not meet the outside package of row i?1 is determined.

Abstract: A conveying/loading apparatus includes a first conveying apparatus having a first delivery part, with a blocking apparatus being disposed close to an output end of the first delivery part, and a second conveying apparatus having a second delivery part, with multiple supports being disposed at intervals on the second delivery part, and regions between the supports forming accommodating spaces for loading objects. An object is delivered to the output end of the first delivery part, and a first detection sensor detects a position of the object. A second detection sensor detects whether a support of the second delivery part has moved to a loading position, and whether the accommodating space between two adjacent supports is in an idle state. The first detection sensor causes the blocked object to pass, when the first detection sensor and the second detection sensor both have signals.

Abstract: A computer-implemented method for assigning one or more conveyor belts to convey a plurality of items. The computer-implemented method determines an availability of one or more conveyor belts, determines a quantity of a plurality of items to be loaded onto the one or more conveyor belts, and assigns the one or more conveyor belts to convey the plurality of items, based on the determined quantity of the plurality of items to be loaded onto the one or more conveyor belts. The computer-implemented method further tracks a location of each of the plurality of items on the assigned one or more conveyor belts, associates each of the plurality of items with a user, and directs the user to the one or more conveyor belts based on the tracked location of each of the plurality of items associated with the user.

Abstract: Methods and apparatus for picking items. Item picking devices are operably positioned on a rotatable frame portion so that they move in a rotary motion to pick items from a conveyor belt or other area as required. By moving item picking devices in a rotary motion in proximity to a conveyor belt or other area, embodiments of the present invention can more efficiently pick and place items for packaging, processing, shipment, or for further use and without being limited by space constraints.

Abstract: Various adaptive apparatus and systems for automated handling of components such as composite plies are provided. In one embodiment, a ply manipulation tool module is provided that comprises a first shuttle including a first gripper and a first clamping element, and a second shuttle including a second gripper and a second clamping element. The first and second shuttles move with respect to one another along a path to position the first and second grippers to grip a ply and to position the first and second clamping elements outside the ply. In a particular embodiment, the ply manipulation tool module includes a lead screw and nut assemblies, the nut assemblies moving along the lead screw to position one or more grippers for gripping components. Ply manipulation tool assemblies comprising at least two modules also are provided.

Abstract: A support and vacuum power device for a pneumatic prehensile member, such as a suction cup, comprises a casing and a sleeve protruding from said casing and wherein at least one recess is formed. A movable element is movable in translation in the casing and is provided with a power supply duct. The movable element comprises a stem guided in translation in the sleeve. An anti-rotation insert made in a single body is inserted into the sleeve through the recess and is provided with a through opening slidably engaged by the stem. The through opening is defined by at least one contact surface extended for an effective contact with an engagement portion of the movable element, thus achieving an anti-rotation constraint for the movable element.

Abstract: A distributor head of a distribution agricultural device comprises an outer hoop provided with at least four outlets of the same size, arranged evenly along the circumference of the outer hoop, a movably positioned ring, a main inlet, and a driving mechanism connected with the ring through a ring attachment, wherein the ring is provided with a number of evenly arranged openings of the same size, number of which corresponds to half of the number of outlets. The ring can be in three operating positions, wherein in the first position, the ring is located in the same plane as the outer hoop and therefore covers every other outlet, in the second position it is not located in the same plane as the outer hoop and thus does not cover any outlet, and in the third position it is located in the same plane as the outer hoop and thus covers every other outlet, wherein the outlets covered in the third position are different from the outlets covered in the first position of the ring.

Abstract: A magnetic rack, conveying truck and corresponding conveyor. The magnetic rack includes: a body on which a groove is disposed; at least one magnetic brick on which a first contact part is disposed, the magnetic brick being located in the groove; and a cover which is placed over the groove so as to partially cover the groove, a second contact part and at least one hole being disposed on the cover, the first contact part being contact with the second contact part to fix the magnetic brick in the groove, the at least one hole being used for exposing the at least one magnetic brick.

Abstract: Embodiments herein describe a tote dispenser that removes the bottom tote from as stack of totes which is then ejected by a conveyor belt. In one embodiment, the tote dispenser includes a first pair of support members which support all but the bottom tote in the stack, while a second pair of support members applies a force that removes the bottom tote from the stack. The first and second pairs of support members can be disengaged so that the stack of totes can be realigned relative to the support members so that the next tote at the bottom of the stack can be removed.

Abstract: The present invention discloses a method for operating a multi-bar linkage mechanism based conveyor. Stretching the mechanism based conveyor comprises: an automatic control system is started to control a first two-drum winch, a second two-drum winch, and hydraulic cylinders in a multi-bar linkage mechanism based conveyor boom to operate together until the mechanism enters an operating state, and the first two-drum winch, the second two-drum winch, and the hydraulic cylinders in the multi-bar linkage mechanism based conveyor boom stop operating. Then, the angle of the multi-bar linkage mechanism based conveyor boom can be adjusted by controlling the operation of the second two-drum winch. Retracting the mechanism based conveyor comprises: the automatic control system is started to control the first two-drum winch, the second two-drum winch, and the hydraulic cylinders in the multi-bar linkage mechanism based conveyor boom to operate together until the mechanism enters a non-operating state.

Abstract: A ramp assembly with an inboard ramp section, an outboard ramp section pivotally coupled to the outboard ramp section, a knob coupled to one of the inboard ramp section or the outboard ramp section, a ramp latch coupled to the other of the inboard ramp section or the outboard ramp section, the ramp latch comprising, an elongated shaft extending from a proximal section towards a distal section, a first arcuate jaw extending from the distal section away from the elongated shaft, a second arcuate jaw extending from the distal section away from the elongated shaft, the first and second arcuate jaw defining an opening therebetween, and wherein the knob is selectively positionable at least partially within the opening.

Abstract: The invention relates to an apparatus (10) for feeding a plurality of flat elements (12) lying flat on one another, in particular carton blanks, to a packaging apparatus (V), comprising: a first feed section (18) having a conveying device (46), of which the conveying surface (22a1) intended to support the flat elements (12) is formed from a material which, with respect to the interaction with the flat elements (12), has a predetermined coefficient of adhesive friction, and a second feed section (20), which falls toward the packaging apparatus (V), wherein the inclination of the first feed section (18) and the inclination of the second feed section (20) toward the packaging apparatus (V) are different from each other.

Abstract: A tray drawer and a multi-function printer using the same are provided. The drawer includes a tray body, a handle and an elastic element. The handle is connected to the tray body and includes a handle portion and a first engagement portion. The first engagement portion is connected to the handle portion, wherein when the tray body is at a lock state, the first engagement projects from a first position-limit portion. The elastic element connects the first engagement portion to the tray body. There is no relative motion between the first engagement portion and the handle portion.

Abstract: A conveyor comprises a first conveyor roller unit and a side position adjustment mechanism. The side position adjustment mechanism includes a guide member and a position adjustment roller unit. The position adjustment roller unit includes a first position adjustment roller and a second position adjustment roller which holds a sheet-shaped medium with the first position adjustment roller. An angle between a rotational axial line of the first position adjustment roller and a part of a guide face of the guide member which part is on the downstream of an intersection between the rotational axial line of the first position adjustment roller and the guide face is an acute angle. The conveyor further comprises a first support member which supports a first driven roller of the first conveyor roller unit to allow a rotational axial line of the first driven roller to be swingable.

Abstract: A center-alignment apparatus for use in an ATM has a transport mechanism to transport a document into the ATM. One or more plates operable in tandem to move the document toward a centerline of a path the document is to travel. Edge-detection sensor(s) on the plate sense an edge of the document when the plate(s) is moved toward the centerline. A translate/rotate mechanism translates and rotates the document while the translate/rotate mechanism transversely moves the document toward the center until another edge-detection sensor detects an edge of the document to create a parallel-aligned document. The control logic controls the plate(s) to centers the parallel-aligned document about the centerline to create a centered document.

Abstract: A sheet conveying device, which is included in an image forming apparatus, includes a drive device, a pair of sheet holding rollers to convey a sheet in a sheet conveying direction, a gate to which a leading end of the sheet contacts, a first detector disposed upstream from the pair of sheet holding rollers to detect a position of the sheet and a second detector disposed downstream from the pair of sheet holding rollers to detect a position of the sheet. The pair of sheet holding rollers performs a primary correction to detect and correct a lateral displacement amount of the sheet by moving the pair of sheet holding rollers while holding the sheet, and then performs a secondary correction to detect and correct at least one of a subsequent lateral displacement of the sheet and an angular displacement of the sheet.

Abstract: A method and device for carrying out a reel splice to avoid the fluttering of tails makes it possible to allow the tail to also adhere across its entire length, in particular on a web with high mechanical strength. When using a fluid-repelling substrate, an adhesive-free liquid is applied to a new roll and/or to at least a portion of the side of the tail facing the web. The method and device can be used in reel splicers which process fluid-repellent substrates, such as for example plastic films, metal films or laminated laminates, so that a sticking out or fluttering of the tail is avoided.

Abstract: A method for bonding the tail of a convolutely wound log to the body is provided. The method comprises the use of a bonding material to bond the tail to the wound log. The bonding material is applied to application sites arranged in a non-uniform pattern.

Abstract: A segment roller (1) has a roller body (2), which is mounted rotatably about an axis (3). To this end, the roller body (2) has on the outside grooves (9), in which tongues (8) of profiles (7) engage. These profiles (7) grip the material web (5) directly or indirectly. In order to increase the working life and improve the mechanical properties of the profiles (7), the profiles (7) are of shear-resistant configuration and have elastic lips (20). These elastic lips (20) are deformed upon the engagement of the tongue (8) in the groove (9).

Abstract: A sheet profile input area is displayed on a user interface. The user interface can be in communication with a processor and a decurler device. The decurler device receives sheets output by any form of sheet output device that may add curl to the sheets. User input that corresponds to the curl of the sheets is received into the sheet profile input area. The decurler device is controlled to remove the curl of the sheets based on the user input by causing the decurler device to contact the sheets after the sheets are output from the sheet output device.

Abstract: A sheet discharging apparatus includes a discharging portion, a first supporting portion configured to support the sheet in a state where at least a part of the sheet is exposed to an outside, a second supporting portion configured to support the sheet discharged by the discharging portion, and a control portion configured to execute a first mode and a second mode, the first mode being a mode where the first supporting portion is selected as a destination of the discharged sheet and where the first supporting portion supports the sheet, the second mode being a mode where the second supporting portion is selected as the destination of the discharged sheet and where the second supporting portion supports the sheet by discharging the sheet supported on the first supporting portion to the second supporting portion in a state where the sheet is not supported on the first supporting portion.

Abstract: A controller of a sheet handling apparatus (for example, banknote handling machine) stops an operation of storing a sheet in a storage bag (for example, banknote storage bag) on the condition that the number of sheets (for example, banknotes) received by a number information receiver is less than a predetermined number, when a distance between a receiver (for example, each stage) and a presser (for example, pressing plate) that is pressing the sheets stored in a storage bag which is supported by a support (for example, each holding member), toward the receiver, is greater than a predetermined distance.

Abstract: A rack assembly that includes first and second side wall assemblies, a mid center bar extending between the first and second side wall assemblies, first and second front cradle bars extending between the first and second side wall assemblies, first and second male nesting members secured to the top of the first side wall assembly, first and second female nesting members secured to the bottom of the first side wall assembly, third and fourth male nesting members secured to the top of the second side wall assembly, and third and fourth female nesting members secured to the bottom of the second side wall assembly. A front cradle space is defined between the first and second front cradle bars and a rear cradle space is defined between the first and second rear cradle bars.