Abstract: Provided is a tube structure for packaging products. The tube structure can include a tube body and a tube shoulder/nozzle. The tube shoulder/nozzle can include a barrier material. The barrier material can include high density polyethylene (HDPE), ethylene vinyl alcohol (EVOH) copolymer and cyclic olefin copolymer (COC).

Abstract: A collapsible container or reservoir including at least one side wall region (4-7) and a basal wall region or base (8) surrounding a containment region having an upper opening or mouth (10) surrounded by a perimeter flange (9) at the ends of the side walls distal from the basal wall region, the side walls include a region of concertina (14) whereby, upon squeezing or compression of the side walls, the basal wall region of the container is compacted more, relative to the extent of the upper opening. The container can be used for dispensing foods such as pet food, sauces, yoghurt, custard or the like, or other liquids or semi fluid materials such as oil, grease, glue or resin.

Abstract: A fluid dispensing container is provided. The container includes a container body formed from a first flexible material defining an interior cavity. The container includes a membrane formed from a second flexible material and a seal coupling the membrane to the inner surface of the container body. The membrane divides the interior cavity into a contents chamber and a dispensing chamber, and the membrane and the seal are configured to be fluid tight to maintain fluid within the contents chamber prior to rupture of the membrane. The rupture stress of the second flexible material is less than the rupture stress of the first flexible material such that, as fluid pressure within the contents chamber increases, the membrane is configured to rupture without the container body rupturing.

Abstract: An automatic opening device for a carton package comprising a spout (3) and a cap (26), the device being provided with a plurality of protruding cutting elements (30) onto the internal face (29) of a cap element (27) thereof. The spout (3) is provided with a thread (2) having grooves (2c) and (2f) of opposite orientation and connected each other, within which pass internal screw thread segments (19) distributed equidistantly in the internal part of the elongate lateral wall (28) of the cap (26). The spout is applied in a carton package over a hole in the carton layer which exposes the aluminium layer. When the cap (26) is unscrewed from the spout (3) the first time it makes a downward axial movement and next the protruding cutting elements (30) are able to cut the aluminium layer of the carton package in order to open a passage for the content of the carton package.

Abstract: An insulating container having a base and a lid is provided. The lid may be rotatable about a hinge from a closed configuration to an open configuration and may be secured, via one or more latching devices, in the closed configuration. In some examples, the insulating container further includes a pressure regulation device. In other examples, the latching devices further include an elastomeric latch upper and a semi-rigid latch lower configured to engage an insulating container keeper when the when the lid is in a closed and a secured position. In still other examples, the latch upper and the latch lower are configured in a recessed position, and flush with a front side of the insulating container lid and flush with a front side of a bottom portion of the insulating container when the latch device secures the lid in a closed position.

Abstract: A dome-shaped lid reversibly securably sealed to the rim of a container with two opposing drinking ports die-cut in the top wall of a brim mount. A reclosable fold-back hatch cover recessed within the brim mount rotates about a U-shaped hinge between a closed and opened position quickly and reliably. When the hatch cover is rotated to its opened position it creates a hatch opening of sufficient size to access the beverage for the following purposes, including, but not limited to, dunking a confection, letting steam escape to cool a hot beverage, adding condiments, stirring the beverage, or adding and removing toppings such as whipped cream on the surface of the beverage, performed with the lid remaining fixed to the container rim.

Abstract: A closure (503) for a container neck (501), the closure (503) comprising a body (401) comprising a retention member (402) for retaining the body (401) on a container neck (501). The body (401) defines a retention member disconnection line (403) that is severable to release the retention member (402).

Abstract: A resealable cover for a beverage container that holds a carbonated beverage. The cover includes a base engageable with a rim of the container and a lid movable between an open and closed position relative to the base. When in the closed position, a passageway is defined between a portion of the lid and a portion of the base. The passageway permits fluid communication between air surrounding an exterior surface of the cover and a space defined between the lid and an opening in the container. Pressure that builds up under the lid from gas escaping from the liquid may be relieved by outgassing through the passageway. The cover includes latches on the base that engage in notches on the lid to help lock the lid in place. The lid is rotated relative to the base to release the latches and permit the lid to be opened.

Abstract: A filter baffle assembly including a filter cap engageable to a mouth of a container, the filter cap including a filter vent operatively attached to a liner situated within an inner space of the filter cap, and a gas permeable point baffle welded to the liner and covering the filter vent, the point baffle including at least one perforation to permit gas exchange between the container interior and the filter vent, and to protect the filter vent from contact with contents in the container. A gas permeable point baffle for protecting a filter vent from contact with the contents of a container, including at least one perforation, the point baffle being welded to a liner and covering a filter vent operatively attached to the liner, housed within a cap engageable to the mouth of the container. A method for protecting a filter vent from the contents of a container.

Abstract: Provided is a reusable container cap adapted to help identify a container belonging to a particular user or to help identify contents of a container when there are several containers similar in appearance. The cap comprises a cap housing that encases one or more rotating dials. The dials are stacked inside of the cap housing, forming a flat upper surface. A visible surface of each of the dials features letters, numbers, or symbols near its outer edge. The cap housing has a cutout that allows the user to rotate the dials using his or her fingers. When the dials are rotated, a combination of letters, numbers, or symbols are displayed, enabling the user identify his or her bottle or contents within the bottle. The present invention fits over standard size valves of various conventional bottles and containers.

Abstract: A foldable spoon. A spoon handle includes apex folds and valley folds that are used to create a strong spoon handle. A spoon cup section is connected to the spoon handle. The spoon apex folds, spoon valley folds and spoon cup section are preferably formed from a single sheet of foldable material.

Abstract: A lockable child-resistant, senior-friendly package of the sleeve-and-drawer style may be utilised for in healthcare type applications for the unit dose dispensing of pharmaceutical tablets, capsules and lozenges; in consumer good packaging applications for items such as food, recreational drugs (e.g., tobaccos, cigars, cigarettes, etc.), toys, hardware, and electrical items, or the like; and in security package applications to deter package pilferage for small high-value items, such as consumer electronics. The sleeve-and-drawer style package has an internal slidable lockable receptacle, having a two-part locking mechanism and an improved release mechanism.

Abstract: Improved object wrapping materials exhibiting a number of beneficial properties to overcome prior deficiencies are provided. Such properties include the inclusion of a separation interface overlay that allows for greater rigidity at the leading and trailing edges of such wraps. Also, the inclusion of shear-reducing wrap material portions is described, as well as recoil reduction structures within the leading edge regions. Furthermore, core adhesive additions allow for greater resiliency to the base wrap material as it unwinds therefrom, reducing potential waste wrap products by permitting greater amounts of wrap materials in use. Other considerations include the ability, through proper configuration designs, to position a wrap separation indicator within a certain range of distances from the trailing edge, thereby providing greater reliability of wrap application device disengagement during wrap application.

Abstract: The present invention relates to a laminated cellulose-based liquid or semi-liquid food packaging material, comprising a brown or dark bulk layer from non-bleached, cellulose-based material, an outside substrate layer having a white print surface to hide the dark colour of the bulk layer, and on the inside an oxygen barrier layer and an innermost heat sealable layer. The invention further relates to the method for manufacturing the laminated packaging material and to a packaging container for liquid food packaging, comprising the laminated packaging material.

Abstract: A hermetically sealed package, for example a freezable microwavable package containing a food product, has a sealing film that includes a vent system that is scored by a laser into the package.

Abstract: A storage bag including a film sheet is provided. The film sheet defines a first chamber, a second chamber located adjacent the first chamber; and a releasable seal preventing fluid communication between the first chamber and the second chamber. The releasable seal may be configured to release when an internal temperature within either the first chamber or the second chamber exceeds a temperature threshold or an internal pressure within either the first chamber or the second chamber exceeds a pressure threshold.

Abstract: A nested insulated packaging assembly includes: an outer box including an outer top side wall, an outer bottom side wall, and a plurality of outer lateral side walls; an inner box received in the outer box, the inner box including an inner top side wall, an inner bottom side wall, and a plurality of inner lateral side walls; a first thermal liner contacting a one of the outer lateral side walls of the outer box and a one of the inner lateral side walls of the inner box; and a second thermal liner contacting a second of the outer lateral side walls of the outer box and a second of the inner lateral side walls of the inner box.

Abstract: The invention relates to a hair treatment process comprising the application to the hair of a composition comprising at least one fatty substance using an aerosol device comprising: —a container containing the composition and one or more propellants, it being possible for the propellant(s) to be present in the composition or, in the container, separate from the composition, —a means for dispensing said composition comprising: —a body (3) that is open at its two opposite axial ends, —an engaging part (10) that is open at its two opposite axial ends, at least partially defining a dispensing orifice (12).

Abstract: The present invention is an aerosol container with an easy-to-operate push button which requires minimal strength to operate push button and hence operable by children and people having less strength. Aerosol container includes a main body, a nozzle, a pipe and an actuating mechanism. Actuating mechanism includes a valve operable by a push button and a release spring. Valve is in connection with an internal body portion of pipe and selectively permits flow of aerosol from main body to nozzle upon actuation of push button disposed in-line with valve, transverse to pipe and externally of main body. As push button is disposed centrally of main body, children or people with less strength or suffering from illness like Parkinson are easily able to push the push button.

Abstract: Provided is a simple-structured aerosol nozzle capable of mixing a plurality of contents uniformly and ejecting the same, and moreover leaving only a small amount of contents inside the flow passage after ejection. An aerosol nozzle 100 includes a nozzle lower part 120 that fits with a plurality of stems 103, and a nozzle upper part 110. At least one of an upper abutment surface 122 of the nozzle lower part 120 and a lower abutment surface 112 of the nozzle upper part 110 has a converging groove 126 that forms a plurality of converging passages 131 that connect openings of stem-communicated passages 123 and an opening of a mixing passage 111 when the nozzle lower part 120 and nozzle upper part 110 are fitted with each other.

Abstract: Racks for shipping loose or packaged glass sheets. A rack includes spaced-apart upright members that taper in thickness such that they are thicker at their lower ends compared to their upper ends. Base members extends outwardly and generally perpendicularly from respective upright members. The base members also taper such that they become thicker moving outwardly from the upright members. An acute or right angle is formed between innermost surfaces of the upright members and uppermost surfaces of the base members. The rack, when used alone, is self-standing as if an L-frame like rack and is arrangeable back-to-back with another rack of the same type to form a mutually-supporting A-frame like rack. The racks are easily loadable onto/removable from rail cars, trucks, and/or the like. Racks include features accommodating forks of a forklift/fork truck, further facilitating their movement.

Abstract: This gas distributor comprises at least one elongate crosspiece including two side walls, inclined on their upper parts, connected to one another in their respective upper parts and defining a gas circulation housing between them emerging downward. The gas distributor includes at least one reinforcing member arranged in the housing defined in the elongate crosspiece, the reinforcing member including a central vertical plate that extends longitudinally in said housing and at least one bracket fastened transversely between the central vertical plate and the side wall of the elongate crosspiece.

Abstract: An apparatus and method for cleaning the interior of an above ground storage tank includes a nozzle assembly mounted to a cover on the storage tank sidewall having a horizontally extending wash pipe fixedly and a suction pipe for recirculation of spent fluids. The wash pipe has an interior segment which can be extended to a tank floor and is configured with a bend to extend along the tank sides all to which is attached a submersible swivel joint fitted with a choked nozzle. A control assembly is provided to direct from the nozzle from the exterior of the storage tank. The nozzle vibrates in response to flow of wash fluid from the wash pipe.

Abstract: The present invention is directed to a thermoplastic bag comprised of a front panel and a back panel. The front panel and back panel are generally joined along a first side edge, a second side edge, and a bottom edge of the respective front panel and back panel. The front panel has a distal edge with the distal edge folded over the front panel to provide a hem and an overlap area immediately below the first hem. The overlap encapsulates a scent carrier that provides a scent to the thermoplastic bag.

Abstract: A reusable and disposable liner for large waste and recycling containers includes a waterproof or resistant material made of at least two pieces of the material comprising the body and the base. The base is constructed such that there is no seam below an upper edge of the base to allow for leakage of a liquid material.

Abstract: Containers are described which can accommodate a variety of flexible bag assemblies used for containing waste. Internal accommodating structures are designed to accommodate and secure various types of bag assemblies, including single bag assemblies and cassettes.

Abstract: A trash can having a frame, a liner, and a lid. The frame includes a base and a casing supported on the base. The liner is removably disposed within a cavity of the casing and has a bottom that rests directly on the base in the cavity. The lid is coupled to and rotatable relative to the frame between a closed position, in which the liner is concealed, and an open position, in which the liner is accessible.

Abstract: A pallet storage system and method are provided. A rack for storing pallets loaded with goods is constructed with a corresponding pair of left and right rails. Carts for supporting the pallets ride on those rails. The rails can have an I-beam shape cross section, include a lower horizontal wall, a vertical wall extending up from the lower horizontal wall and an upper horizontal wall at the top of the vertical wall. The lower and upper horizontal walls include an outer flange extending from the vertical wall in a sideways direction away from the corresponding other rail and an inner flange, extending sideways towards the corresponding other rail. The carts can nest, until loaded and the front of the carts can be flush at the front of the rack.

Abstract: The invention relates to a method for storing hanging goods (2) in an automated storage system (1), comprising a stationary storage rack (5) with storing regions for the hanging goods (2) in storage levels (13) lying one above the other, and at least one goods transport device (7) having a base frame (30), which is displaceable in a first direction in front of the storage rack (5), and at least one storage and removal device (33) having a goods displacement means (42) which is displaceable relative to the base frame in a second direction perpendicular to the first direction. The hanging goods are moved by the goods displacement means between a goods receiving carrier (12) associated with one storage region and a goods receiving carrier (34) associated with the goods transport device, the goods receiving carrier (12) remaining in the storage regions in the storage rack (5). The invention further relates to an automated storage system for carrying out said method.

Abstract: A method transfers unit loads to storage channels for storage by conveying the unit loads to the storage channels using a unit load receiving device movable along the storage channels in an x-direction and a transporter extendable into the storage channel in a z-direction. The transporter includes outer transport elements in opposite end sections and optionally an in-between inner transport element. The unit load is moved from the unit load receiving device into the storage channel up to an intermediate position using one transport element by moving the transporter in a first direction. The transporter is then moved to a second direction to position the other transport element behind a unit load side wall facing the unit load receiving device. The unit load is finally shifted in the storage channel from the intermediate to the second depth position using the other transport element by moving the transporter.

Abstract: An automated storage and retrieval system including a storage structure with storage racks having a seating surface configured to support case units where a position of each case unit is non-deterministic for each storage location on the storage racks, each case unit has a predetermined storage position and a controller is configured to determine the predetermined storage position, a picking aisle configured to provide access to the case units within the storage structure, and a seismic disturbance restorative system including seismic disturbance motions sensors disposed on the storage racks, a seismic disturbance control module in communication with the seismic disturbance sensors and configured to identify a seismic disturbance, and an automated case mapper configured to traverse the picking aisle, the automated case mapper being in communication with and initialized by the seismic disturbance control module to identify a seated position of at least one case unit within the storage structure.

Abstract: A goods-to-man warehousing system comprises a multilevel racking system, a plurality of mobile storage units, a storage unit transporter, a pick-place vehicle, a mobile storage unit transfer node, and a warehouse management computing hub. The multilevel racking system comprises a vertically and horizontally distributed array of storage bays. One or more of the mobile storage units are positioned in respective ones of the storage bays of the multilevel racking system. The pick-place vehicle comprises pick-place hardware that enables the pick-place vehicle to transfer mobile storage units between a plurality of different, vertically displaced storage bays of the multilevel racking system and the mobile storage unit transfer node of the goods-to-man warehousing system. The storage unit transporter comprises storage unit engagement hardware that enables the storage unit transporter to transport mobile storage units to or from the mobile storage unit transfer node of the goods-to-man warehousing system.

Abstract: Disclosed are various embodiments that may facilitate transferring an item to a receptacle using a conveyor and a robotic drive unit. The robotic drive unit moves to be proximate to a receptacle. The robotic drive unit can align an item with the receptacle. The item can be transferred to the receptacle via the conveyor.

Abstract: The present disclosure relates to a shuttle (108) for retrieving goods in a warehouse system comprising a three-dimensional arrangement of storage spaces including a plurality of lanes, a plurality of rows, and one or more levels. The shuttle (108) is configured to be movable along at least one of the plurality of lanes at a top of the at least one lane, wherein goods in a storage space are disposed at the bottom of the storage space and the shuttle (108) is configured to pick up the goods by lifting the goods from the bottom of the storage space when the shuttle (108) is positioned above the goods.

Abstract: A system for assembly of components, including a vibrating device wherein the components are placed in bulk, which is provided with first and second compartments connected together at their ends by first and second passage zones to form a closed circuit wherein the components can flow, and an articulated gripping arm provided to distribute the components to an automatic assembly installation, the vibrating device including first and second planes inclined in opposite directions included, respectively, in the first and second compartments, the components being able to progress along the first and second inclined planes towards a supply platform on which at least one component can be arranged in advance of its seizure by the articulated gripping arm, the supply platform being located in the second compartment at an exit of the second inclined plane.

Abstract: According to various embodiments, a transporting device may comprise: a plurality of transporting rollers, of which at least two transporting rollers comprises: a glass tube mounted rotatably about an axis of rotation; the glass tube being joined together from a plurality of tube segments, a first tube segment of which is arranged between two second tube segments; and the first tube segment having a plurality of portions, the circumferential surfaces of which are surfaces of rotation with respect to the axis of rotation and/or are arranged coaxially; the plurality of transporting rollers providing by means of the circumferential surfaces a transporting surface for transporting a substrate in plate form and/or in strip form.

Abstract: An O-ring and a conveyance apparatus are provided. The O-ring includes an O-ring body having an annular shape. The O-ring further includes a plurality of protrusions arranged at intervals on an outer annular surface of the O-ring body and configured to support a glass substrate and convey the glass substrate as the O-ring body rotates, so that a total area of contact between the glass substrate and the O-ring is reduced, thereby reducing a print area. In addition, after the protrusions and the glass substrate come into contact, contact marks are in a discontinuous state or, in other words, are in a spaced state, and prints are also discontinuous or spaced prints, thereby mitigating visual effects of the prints, and eliminating the prints at low costs.

Abstract: Truck unloader apparatus, systems and methods are disclosed for unloading and/or conveying aggregate material. In some embodiments, a load-bearing truss of the truck unloader includes a ramp in a road transport configuration.

Abstract: A physical distribution system includes first and second conveyance paths, first and second sensors, and a processor. The first sensor detects a package passing along the first conveyance path. The second conveyance path merges with the first conveyance path at a junction. The second sensor detects a package passing along the second conveyance path. The processor counts a first number of packages present in a first convergence monitoring section determined in the first conveyance path upstream the junction, and counts a second number of packages present in a second convergence monitoring section determined in the second conveyance path upstream the junction, determines an order in which packages in the first and second convergence monitoring sections pass the junction, based on the first number and the second number, and control the first and second conveyance paths, such that the packages pass the junction in the determined order.

Abstract: A cleaning apparatus is disclosed. The cleaning apparatus includes a roller system including a drive roller and one or more guide rollers configured to receive an elongated article to be cleaned. Each guide roller and the drive roller form a serpentine path for the article. The cleaning apparatus further includes a frame for supporting each guide roller and the drive roller; and a fluid delivery system for directing fluid at top and bottom faces of the article. The fluid delivery system includes one or more conduits. Each conduit is in fluid communication with a plurality of nozzles to direct fluid to the top and the bottom faces of the article. The cleaning apparatus further includes an actuator to linearly displace at least one of conduits back and forth during operation. The drive roller may be a sprocket for engaging and transporting the article. The article may be a conveyor belt.

Abstract: An apparatus for shaping a narrow container stream, into a wide container stream includes container guides and a shaping region that extends between an inlet and an outlet. Transport bands connecting laterally to each other and define a transport plane along which the containers are transported. The container guides are constrained to be between defined limit curves defined by second and third order polynomials. As a result, the container guides are cambered in a way that promotes interruption-free widening of the container stream.

Abstract: A pallet positioning station for positioning a pallet to be impacted by a pallet impact station includes a frame, and a pallet lift assembly carried by the frame. The pallet lift assembly includes a lift grate moveable between a retracted position and an extended position. A pallet push arm assembly is carried by the frame and includes a pallet push arm movable between a retracted position and a pallet positioning position. A controller is configured to move the pallet push arm and the lift grate to the retracted positions to receive the pallet for positioning, and move the lift grate to the extended position when the pallet is to be positioned for impact by the pallet impact station. The controller is further configured to move the pallet push arm to the pallet positioning position to move the pallet towards the pallet impact station until the pallet is aligned with an impact reference plane.

Abstract: A method for operating a pallet positioning station for positioning a pallet to be impacted by a pallet impact station is provided. The pallet positioning station includes a frame adjacent the pallet impact station, a pallet lift assembly carried by the frame that includes a lift grate moveable between a retracted position and an extended position, and a pallet push arm assembly carried by the frame that includes a pallet push arm movable between a retracted position and a pallet positioning position. The method includes moving the pallet push arm and the lift grate to the retracted positions to receive the pallet for positioning, moving the lift grate to the extended position when the pallet is to be positioned for impact by the pallet impact station, and moving the pallet push arm to the pallet positioning position to position the pallet towards the pallet impact station until the pallet is aligned with an impact reference plane.

Abstract: An inverter manufacturing cell includes a table including a base, a frame configured to receive a work piece, and at least one pivotable lift arm attached to the base and to the frame. The pivotable lift arm is configured to pivot relative to the base about at least one axis such that the frame and work piece rotate from a first, generally horizontal position to a second, generally vertical position. After rotating to the second, vertical position, the frame is configured to slide such that the frame and work piece further rotate to a third, generally horizontal position wherein the frame and work piece are inverted relative to the first, generally horizontal position.

Abstract: In the method for transferring blister packs from a first and a second pick position to a common place position, the blister packs in the first and second pick positions are arranged next to each other in a row and are each outwardly offset from the longitudinal center plane of the transfer unit. Then the two blister packs are picked successively by two suction arms and placed from above in the place position, which is in the area of the longitudinal center plane. After the placing step, the blister packs in the place positions have a rotation of 180° around their centers in comparison to their orientation in the pick positions; and in addition the blister packs acquire a lateral offset during the transfer.

Abstract: A processing system includes a robot arm with an end effector having a longitudinal axis, the robot arm having a reach of at least 45 inches, wherein the end effector includes: a first wafer pocket defined within the end effector at a first location along the longitudinal axis, wherein the first wafer pocket has the reach of at least 45 inches; and a second wafer pocket defined within the end effector at a second location along the longitudinal axis, wherein the second wafer pocket has a second reach that is less than 45 inches. The end effector is capable of concurrently carrying a first wafer in the first wafer pocket and a second wafer in the second wafer pocket.

Abstract: A transfer mechanism for transferring food product from a compartment of a food processing system includes a conduit having a first end portion configured to be in communication with the compartment and a second end portion, a fluid discharge positioned substantially within the conduit between the first end portion and the second end portion, and a pressurized fluid source in communication with the fluid discharge. The pressurized fluid source is operable to propel a fluid through the fluid discharge to move the food product from the first end portion of the conduit toward the second end portion.

Abstract: A conveyance system includes a chamber 1, a plate 7A disposed in the chamber 1, the plate 7A being used for disposing an article thereon, an in-chamber bridge 19 disposed in the chamber 1 and capable of coming into contact with the plate 7A, a moving member 3A that moves along the in-chamber bridge 19 and the plate 7A to move the article on the in-chamber bridge 19 and the plate 7A, and a sterilization device 100 that sterilizes an interior of the chamber 1, in which the chamber 1 is allowed to be tightly sealed, with the moving member 3A disposed on the in-chamber bridge 19.

Abstract: A gripping member for gripping a layer of products includes an upper closed wall, a suction plane associated on the lower side of the upper wall, mechanical gripping elements, a lower safety support plane, movable between an open position of disengagement from the gripping area and a closed position at least partially in engagement with the gripping area, and a telescopic chamber, open only toward the bottom. The telescopic chamber is fastenable around the product layer and is connectable to means for generating depression or vacuum, for pneumatically lifting the product layer by means of depression. The telescopic chamber includes a peripheral continuous gripping ring arranged at the periphery of the upper wall and consists of four angular elements and at least four plate-like side elements, which are slidably arranged with respect to the angular elements. The upper wall has adjustable plane dimensions.

Abstract: A pivoting load chute includes one or more sections that define a conveying surface that is configured for rotation relative to a support stand about a substantially horizontal axis between a lowered position and a raised position. The pivoting load chute further includes at least one linkage assembly having (i) a first linkage arm, with a first end of the first linkage arm operably connected to the support stand, (ii) an actuator that is operably connected to and extends between the support stand and the first linkage arm, and (iii) a second linkage arm, with a first end of the second linkage arm operably connected to the one or more sections that define the conveying surface, and with a second end of the second linkage arm operably connected to a second end of the first linkage arm.