Abstract: The invention relates to a frame for supporting a top of a table or desk at a working height, said frame being designed for fastening legs. The frame comprises at least two profiled bodies that can be connected to each other via at least two brackets (10, 12), said brackets (10, 12) being designed to extend over or around edges of the profiled bodies.

Abstract: A movable table comprises a main body part having a table and a receiving unit; a moving part provided at a lower end of the main body part; a power supply part provided at one surface of the main body part and having a power supply unit for charging or connection to power; and an image device part provided at an upper end of the main body part so that a position or an angle thereof is adjusted and having an image unit, wherein one or more of the moving part, the power supply part and the image device part are formed as modules which are removably attached to the main body part.

Abstract: A cable routing arrangement for routing cables in an orderly fashion on a height-adjustable furniture item comprises a rigid first routing element, a rigid second routing element, and a deformable connecting element. The first routing element has a first bearing arrangement, by means of which it can be pivotally connected to a top part of the furniture item. The second routing element has a second bearing arrangement, by means of which it can be pivotally connected to a base part of the furniture item. The first routing element and the second routing element can be interconnected via the connecting element in such a way that they are movable.

Abstract: The present invention provides an assembly of playground equipment elements that provide dual functions of seating for parenting caregivers as well as play elements for children. Accordingly, the present invention provides are outdoor table apparatus and a park bench functioning as both adult seating and child play apparatus. The park bench may also function as a bicycle parking rack.

Abstract: A modular portable table is disclosed which can be utilized as a temporary table or support structure. The table includes a tabletop, one or more leg assemblies, and an anchor assembly for securing the table to a substrate, the one or more leg assemblies positioned between the tabletop and the anchor assembly.

Abstract: The invention is a reconfigurable workspace. The workspace is compact in order to keep components of the workspace within an arm's reach while standing in a fixed location. The workspace is made up of two rectangular housings, preferably of the same compact size and shape. The first housing has at least a sink and a counter space, though it could have other appliances. The second housing has a circulating storage system, preferably an automated storage and retrieval system that delivers items to a convenient access point. The two housings are repositionable in relation to each other along a fixed path. An apparatus such as a hinge or a set of tracks repositions the housings in relation to each other along the fixed path.

Abstract: A firearm cabinet for storing firearms is provided. The firearm cabinet is comprised of an interior compartment which is defined by a top panel, a plurality of side panels, a back panel, a front panel, and a bottom panel. The front panel includes a framework opening for display of the contents therein. Along the edge of each side panel and front panel is an open hem to allow ease in assembly. The side panels and front panel slidably cooperate with each other for assembly. Along the edge of the top and bottom panels, a lip extends about the periphery thereof. The lip includes openings that cooperate with corresponding openings along the side panels, back panel, and front panel. The openings are sized to allow a fastener having a round head to be inserted therein and affixed. The rounded head fastener prevents tampering from the exterior of the firearm cabinet.

Abstract: A wall mounting system includes an elongate main body, a first holder, and a second holder. The main body has a channel. The channel is disposed along a length of the main body. The main body is configured for attachment to a wall surface. The first holder has at least one insert portion coupled thereto with a fastener. The insert portion of the first holder is selectively slidably received in the channel of the main body. The second holder is coupled to the main body. The fastener of the first holder is adjustable to selectively affix the first holder along the length of the main body. The first holder is selectively movable along the length of the main body relative to the second holder. The first holder and the second holder are configured to together selectively secure a hunting or fishing accessory to the main body.

Abstract: A firearm storage apparatus comprising a base including a first groove, a first storage panel removeably supported within the first groove, the first storage panel including a plurality of slots that traverse a face of the first storage panel and a plurality of adjustable straps, each strap mated to the first storage panel through two of the slots and adjustable in position along the first storage panel and adjustable in degree of tightness to secure a firearm to the first storage panel.

Abstract: A slide system for slidably opening and closing a drawer is provided. The slide system includes an outer slide for mounting the slide system on a side wall of an enclosure, comprising a longitudinal slide outer channel, a sliding member, configured to be mounted on a side wall of the drawer, slidably movable within said slide outer channel. The outer slide includes a fixing part for attachment of the outer slide on the side wall of the enclosure, a sliding part comprising said slide outer channel, and an intermediate part, extending from said fixing part to said sliding part. The fixing part, the intermediate part and the sliding part define a groove extending upwardly from said intermediate part. The slide system comprises a casing element for encasing the sliding member by extending vertically from an upper portion the side wall of the drawer towards the intermediate part of the outer slide and being at least partly received within the groove.

Abstract: A system is provided for organizing accessories. The system includes one or more base assemblies coupleable to a seat pedestal. Each base assembly is adjustable between a disengaged configuration and an engaged configuration. One or more arm assemblies include one or more arm members and one or more connection members coupled to the arm members. A first arm member is coupled to a first base assembly such that the first arm member is rotatable about the seat pedestal when the first base assembly is in the disengaged configuration and securely positioned relative to the seat pedestal to extend radially from the seat pedestal in one of a plurality of directions when the first base assembly is in the engaged configuration. One or more accessories are coupled to the arm assemblies. A first accessory is coupled to a second arm member or a first connection member.

Abstract: A lounge having a matrix mat and a plurality of modules capable of being inserted into the matrix mat. The lounge may include a frame configured as a rigid frame, a modular frame, and combinations thereof. The modular frame may further include a tri-cable suspension. The tri-cable suspension may be attached to a dilator retractor mechanism. The modules may be a mushroom cap module, a spider spring module, a web module, a lighting module, an electronics module, and combinations thereof.

Abstract: A flotation device for use with a plurality of foam tubes. The flotation device comprises a sheath assembly comprising a first sheath and a second sheath configured to cover a first foam tube and second foam tube respectively. The sheath assembly further comprising a plurality of straps attached to each of the first and second sheaths, and thereby connecting the first and second sheaths. The sheath assembly also comprises a securing member attached to the first and second sheaths to secure a user to the flotation device. Each of the first and second foam tubes and the sheath assembly cooperate to support the user at or near a surface of a body of water.

Abstract: The disclosure relates to a height-adjustable bed, in particular a hospital and/or nursing bed, comprising a bed frame, two bed end pieces, which accommodate the bed frame between said bed end pieces, and two telescopic lifting columns, which each interact with one of the two bed end pieces and have a supporting segment and a moving segment, wherein the lifting columns are arranged on the associated bed end pieces on the outside of the bed by means of the supporting segments of the lifting columns, and wherein the moving segment of a lifting column has a lifting column base, on which a supporting roller that can rotate about the vertical axis thereof is arranged, wherein the distance between the articulation point of the supporting roller and the associated bed end piece exceeds the rotation radius that can be described by the supporting roller about the vertical axis thereof.

Abstract: A metal mattress platform includes a plurality of interconnected metal bars disposed in a common plane and forming a generally rectangular frame and at least four legs. Upper surfaces of the metal bars define a platform surface of the metal mattress platform. Each leg is disposed proximate a respective corner of the rectangular frame. The legs are sufficiently long to position the generally rectangular frame a relatively high distance above the ground, such as about sixteen inches or more. In some embodiments, the platform may include two or more panels, some of which may be hingedly attached to one another to allow the platform to be folded to smaller dimensions for shipping or storage.

Abstract: The disclosure generally relates to an adjustable foundation and bed, in particular having a low vertical profile while maintaining a full range of motion for articulation of its various deck support sections. In various embodiments, a deck support section of an adjustable bed can include an open area in the deck support surface. The open area is positioned relative to an actuator mounted beneath the deck support section and support surface such that a portion of the actuator occupies the open area during at least some of the normal range of motion of the actuator and corresponding deck support section. The additional space provided by the open area allows inclusion of an otherwise bulky actuator mechanical component in a vertically smaller space, permitting the adjustable bed to have an overall lower vertical profile.

Abstract: Embodiments of the disclosure include a cushion system, which may be part of a sleeping system or a seating system, for example. A seating system may comprise a cushion, which comprises a cushion cover; and one or more foam layers within the cushion cover, wherein the cushion is spring-free. The one or more foam layers may each comprise a plurality of substantially vertical air passageways which pass through the entire thickness of the corresponding foam layer. The one or more foam layers may comprise a base layer of foam; a middle sculpted layer of foam having for example a sculpted surface with a plurality of foam pillars projecting outward; and a top layer of foam with uniform thickness, with the sculpted layer sandwiched between the top and base layers.

Abstract: A mattress guard with one or more inflatable bumpers to prevent patients or older adults from accidentally rolling out of or falling out of bed, and also to avoid the patients or older adults from being trapped in hard/rigid bed rails. A mattress cover includes a fitted mattress sheet, one or more inflatable bumpers, and an air pump system to inflate and deflate the one or more bumpers. At least one of the bumpers has a length and a position that optimizes safety and allows for common user movements without requiring deflation of the bumper. A dual pump system may include primary pump with higher inflation rate to initially inflate one or more bumpers and a secondary pump with lower inflation rate and/or that is quieter to maintain inflation of the bumper(s). An alert system can provide alerts to relatives or staff if a patient is endangered.

Abstract: A mattress and method of constructing the mattress having a reduced toxicity has a cover or an outermost layer including food grade polyethylene. Also, the outer layer of the mattress can also be constructed from a material selected from the same group of materials. Food grade polyethylene films are non-toxic materials which reduce adverse human health effects due to the exposure to potentially harmful chemicals used in the mattress construction.

Abstract: A horizontal universal joint includes a first joint member and a second joint member. The first joint member is integrally formed by a frame insertion port and a female coupling port. The second joint member is integrally formed by a frame insertion port and a male coupling port. The female coupling port of the first joint member and the male coupling port of the second joint member are removably engaged via an elastic body. Teeth rows are formed at an inner peripheral surface of the female coupling port and an outer peripheral surface of the male coupling port meshing with one another. Depending on meshing positions of both teeth rows when the male coupling port is inserted into the female coupling port, the horizontal direction where the frame insertion port of the second joint member faces relative to the frame insertion port of the first joint member is changeable.

Abstract: Disclosed are discrete gravity feed merchandise-advancement seats for use on a shelf support. The seats have a width having two sides and a length, a merchandise-advancement mechanism retention element disposed on each side along the length, and a merchandise-advancement mechanism disposed in retention elements. A driver is disposed in combination with the seat. A guide channel on each side of the driver surrounds the two retention elements so that the driver can traverse the length of the seat, and provide vertical and horizontal stability to the driver. The seats may have attachment mechanisms on front and rear edges that attach to mating attachment mechanisms proximal the front and rear of the shelf support. Dividers cooperate with the seats to provide merchandise display channels. Attachment mechanisms disposed proximal the front and rear of the shelf support allow for adjustable lateral placement of the seats and dividers.

Abstract: A wall-mountable bracket described herein can be used, for example, with various wall mounts to facilitate implementation of various shelf configurations. The wall-mountable bracket can include a mounting arm that can be used to attach the wall-mountable bracket to a structure. The wall-mountable bracket can also include a support arm that extends from the mounting arm and extends away from the structure when the wall-mountable bracket is attached to the structure. The support arm can include one or more openings that can receive one or more items to allow the wall-mountable bracket to support the various items. For example, the support arm can include an opening that includes a rounded surface that can receive and support one or more tubes or rods having circular cross-section or the support arm can include an opening that includes a substantially flat surface that can receive and support a horizontally arranged piece of lumber.

Abstract: Provided are systems, methods and techniques for displaying merchandise. One such system includes a support structure, a receptacle physically connected to the support structure and having a plurality of openings around its periphery, and a plurality of merchandise assemblies. Each merchandise assembly, in turn, includes an item of merchandise and an attachment device fastened to the item of merchandise. The attachment device has a vertically oriented insertion member that is tapered from top to bottom and is removably inserted into one of the plurality of openings in the receptacle.

Abstract: A bed linen comprises a single, continuous piece of fabric extending substantially completely across lateral dimensions of the bed linen and including elastomeric fibers and non-elastomeric fibers. The single, continuous piece of fabric is configured to stretch to at least 125 percent of an initial length thereof without damage thereto and to substantially return to the initial length thereof after being stretched. A bedding assembly and a method of forming a bedding assembly are also described.

Abstract: Disclosed is a drink container which comprises a container body and a light emitting unit, and the container body has an outer wall portion and an inner wall portion defining a drink receiving space for containing a drink, and both the inner wall portion and the outer wall portion have a transparent portion located in a position corresponding to the drink receiving space such that a light transmits from the drink receiving space through the transparent portions of the inner wall portion and the outer wall portion toward an outside of the container body, and the light emitting unit disposed and emitting light in the drink receiving space, wherein the light from the light emitting unit is visible from the outside of the container body by transmitting through the transparent portions of the inner wall portion and the outer wall portion.

Abstract: Disclosed are exemplary embodiments of adapters for beverage container thermal insulators or drink holders. In exemplary embodiments, the adapters may be used for adapting beverage container thermal insulators or drink holders that are pre-sized for standard sized 12-ounce cans for use with bottles (e.g., standard sized 12-ounce longneck bottles, etc.) and other can sizes (e.g., “16-ounce tallboy” cans, “12-ounce slim” cans, etc.). In exemplary embodiments, the adapter may be made (e.g., injection molded, etc.) from one or more thermally-insulative materials for covering and thermally insulating the upper portion of a bottle or can that would otherwise extend outwardly above the beverage container thermal insulator or drink holder. By thermally insulating the portion that would otherwise be exposed, the adapter can significantly reduce the rate at which the beverage within the bottle or can will warm up, e.g., when placed in the sun, etc.

Abstract: The clip is formed of resilient plastic material and includes first and second parts pivotally connected by a connecting member. Each of the parts includes a gripping portion and a locking portion. Each of the gripping portions includes first and second connected portions, at least one of which has a gripping surface. A locking part is pivotally mounted to one of the locking portions for movement relative to the other locking portion between locked and unlocked positions. The locking part is adapted to engage the other of the locking portions in the locking position. Movement of the locking part toward the locked position causes the gripping surfaces to move toward each other to retain the article therebetween.

Abstract: A portable supporting device comprising a body portion (12a, 12b) and a clamp mechanism having two jaws (16, 24) with a variable distance therebetween. The first (16) of the two jaws (16, 24) is connected to the body section (12a, 12b) and the second (24) of the two jaws (16, 24) is connected to a stem (18) that is at least partially housed within the body section (12a, 12b). The stem (18) moves within the body section (12a, 12b) to adjust the distance between the two jaws (16, 24). The device further comprises a hook mechanism (26).

Abstract: A tree stand for removably supporting a tree includes a base having a water basin. A plurality of spaced apart jaws are biased upwardly and inwardly of an axis of the base to form an expandable clamp. An end of a trunk of the tree forcibly expands the jaws against their bias as the trunk is inserted into the water basin. The jaws of the clamp engage an outer surface of the trunk as they are biased towards their closed position to hold the tree vertically upright and stable.

Abstract: A cooking machine for weighing food includes a housing, a heating tray assembly, a transmission wheel, a motor, a transmission mechanism, a holder and a weighing mechanism; the holder has a first end and a second end; the first end protrudes into an underneath of the heating tray assembly; the second end is fixed to the housing; the motor is fixed to the second end; the heating tray assembly is supported on the weighing mechanism. When the cooking cup is placed on the heating tray assembly, the weighing mechanism only supports the heating tray assembly and the cooking cup, which significantly reduces the weight of the scale pan of the weighing mechanism, thereby improving weighing accuracy and precision.

Abstract: An electric pressure cooker having a safety switch device. The electric pressure cooker includes a cooker body and a lid; wherein the cooker body is provided with a push rod vertically reciprocating relative to the cooker body; the cooker body is further provided with a microswitch; a driving rod of the microswitch horizontally reciprocates relative to the cooker body; after the push rod moves downward, the driving rod of the microswitch is pushed to trigger the microswitch by the push rod; after the push rod moves upward, the driving rod of the microswitch is detached from the push rod; an upper end of the push rod abuts against the lid and the push rod moves upward and downward with rotation of the lid to detach from and push the push rod of the microswitch; and the microswitch is electrically connected to a circuitry of the electric pressure cooker.

Abstract: A method of manufacturing a support element for beverage brewing material includes providing water-permeable material to form a concave holder configured to receive the material, with a rim formed around an upper periphery. The method can include providing the material with fold lines, forming the holder from a single piece of the material, and shaping the holder into an open state. Preparing a beverage includes unfolding the support element to form a receptacle, adding the brewing material to an interior, and providing a flow of fluid through the material. An empty container includes filter material formable as a receptacle having has a bottom and sidewalls with folds defining an interior, and a rim at a top edge. The receptacle has a circular cross-section and a diameter of between about 30 mm and about 50 mm and/or a depth of between about 1 mm and about 15 mm.

Abstract: An improved French coffee press apparatus, system, and method that utilizes a locking ring to engage with a locking base that can be removed from the carafe, along with any coffee grounds. The locking ring is connected to the pressing rod, which also includes a filter system above the locking ring. The pressing rod fits through an opening in the carafe lid, and the carafe lid secures the liquid inside the carafe. The combination of the filtering system assists in the filtering and capture of any coffee grounds into the locking base for cleaning, and the locking ring assists in the removal of the locking base.

Abstract: Automated device to prepare beverages from cartridges includes a beverage extraction unit configured to extract and deliver the beverage from a cartridge that comprises a cartridge feeder chamber configured to contain and supply a plurality of cartridges, a cartridge transfer slider, automatically mobile between at least a cartridge loading position, in correspondence with the cartridge feeder chamber, to receive a cartridge, a beverage extraction position, different from the cartridge loading position, aligned with the beverage extraction unit and a cartridge expulsion position, different from the cartridge loading position and from the beverage extraction position. The cartridge transfer slider has, both in the cartridge loading position and in the beverage extraction position, a cartridge support configuration, and also has, in the cartridge expulsion position, a cartridge release configuration to discharge a used cartridge.

Abstract: A system for producing a drink via infusion of a package comprising a product to be infused. The system comprising: a first and a second part having relative mobility and partially defining at least one receiving assembly to receive the package before positioning in an infusion position. The first part comprises at least one support zone to contact the package to support the package in a retention position, when the first and second part are in a first relative position. When the first and second part are in a second relative position, the at least one support zone frees the passage of the package that allows the latter to reach, the infusion position. The system also comprises a detection member rigidly connected to the first part shaped in order to be stopped by a package blocked in the retention position or between the retention and infusion positions.

Abstract: A beverage maker apparatus for storing refrigerated ingredients and making a beverage includes a refrigerated storage, a control unit, and a container. The refrigerated storage compartment stores the ingredients. The refrigerated storage compartment includes pods for storing the ingredients separately. The ingredients are refrigerated at a set temperature. The control unit displays options to a user and receives a selection of an option from the user. The control unit maintains the pods at the set temperature via feedback from sensors. The control unit actuates one or more of the pods to release one or more of the ingredients based on the selection of the user. The container is positioned on a tray of the beverage maker apparatus for receiving the ingredients from the pods. The container includes rotary blades for processing the ingredients to make the beverage.

Abstract: The automatic coffee machine for preparing espresso coffee comprises at least one; infusion assembly (1) having an infusion piston (2) that can be actuated by motorized means (3), at least one container containing coffee beans to be ground, grinding means (4, 5) to grind the beans for preparing doses of ground coffee, conveying means to convey the doses of ground coffee into a filter-holder element (7) arranged under the piston, the grinding means (4, 5) comprising a first and a second grinder that are actuated by a first and a second opposite motor (8, 9) arranged laterally to the infusion piston.

Abstract: A container for a beverage or foodstuff preparation machine, the container for containing beverage or foodstuff preparation material and comprising on a surface thereof an arrangement of separate codes encoding preparation information, whereby each code encodes a distinct phase of a preparation process. Also disclosed is a beverage or foodstuff preparation system comprising the container and an attachment configured for attachment to an element of the system. Further disclosed is a computer program and non-transitory computer readable medium for use therewith. Also disclosed are methods of producing and using the above devices and apparatus.

Abstract: A cool coffee infusing apparatus is disclosed having a liquid container, a ground coffee container, and a base. The base includes a pump, controls therefore, and receptacles for the containers. The liquid container is filled with cool water and the ground coffee container is filled with ground coffee. The pump circulates the water through the grounds until a desired level of infusion is achieved and coffee beverage is created. The coffee beverage is collected in the liquids container for pouring or for storage for later use.

Abstract: A container support is disclosed.

Abstract: A sous-vide rack system is disclosed. The system is to be used for supporting sous-vide food items inside sous-vide heating containers and comprises a bottom grating (20) with at least one mounting rail (23), each rail comprising at least one mounting arrangement. The system further comprises at least one separator with at least one separator foot (22) to be inserted into one of the at mounting arrangements. Finally, the system comprises a locking device (24) for at least one of the mounting rails to be used in the mounting rail to lock all into the mounting rail inserted separators by their separator feet to the mounting rail and thus the bottom grating.

Abstract: A charcoal grill apparatus comprising: a cart; an upper surface located on the cart; an ash can opening located on the upper surface; a burner located on the upper surface; a grill kettle, the grill kettle comprising a kettle lid that sits on a lower base section, the lower base section configured to sit on the ash can opening and to sit on the burner; an ash can removably attachable at the underside of the upper surface and aligned with the ash can opening; and an electric blower configured to circulate air from the burner to fuel in the lower base section when the lower base section is sitting on the burner.

Abstract: A cooking accessory insert for a cooking grill includes a heat distribution duct that, installed, extends from a burner proximate to the bottom of the grill's fire box generally to a cooking level near the top of the fire box. The heat distribution duct is defined by a plurality of side walls extending from a top end of the heat distribution duct to a bottom end, tapering inward, or narrowing, from top to bottom. A top surface substantially covers the top end of the heat distribution duct, while the bottom is open. A cover is provided to cover the top surface, defining a baking chamber between the cover and the top surface. A cooking surface element such as a pizza stone is removably disposed on the top surface, spaced apart from the top surface by a plurality of spacers.

Abstract: A fryer system and method for producing fried food pieces are disclosed herein. A fryer, located in a frying region of the fryer system, produces fried food pieces. An adjustable draining device, located in a draining region of the fryer system, is downstream from the frying region and controls a residence time of the fried food pieces in the draining region. A set of takeout conveyors bridges the frying region and the draining region and reduces a bed depth of the fried food pieces as the set of takeout conveyors transfers the fried food pieces from the fryer to the draining device. An enclosure at least partially encloses the frying region and the draining region to maintain a controlled environment within the draining region.

Abstract: A device for grinding coffee beans (12) includes a grinding member (14) configured to grind coffee beans (12) and produce a ground coffee powder (15). A transit chamber (16) receives the ground coffee powder (15). A discharge member (18) is configured to discharge the ground coffee powder (15) arriving from the transit chamber (16) toward the outside of the device. An air-powered powder removal member (20) removes the ground coffee powder (15) from the grinding member (14) and from the transit chamber (16).

Abstract: A food-processing device for blending and mixing food comprises a mixing vessel, a blade holder, and a motor base. The motor is a high power motor. The device has various safety features designed for the high power motor. The blade holder comprises a safety mechanism that prevents the motor base from operating without the mixing vessel covering the blade. The mixing vessel also contains emitters that interact with detectors on the motor base that can allow a user to select an alternate blend speed according to the mixing vessel that is attached.

Abstract: The invention refers to a foaming device (100) for foaming and/or heating a fluid inside a container (20), the device further comprising a processing element (10), a driving unit (30) and a distinct heating unit (40) such that the processing element (10) is mechanically decoupled from both the heating unit (40) and the driving unit (30), the processing element (10) being movable inside the container (20) in response to a magnetic field generated by the driving unit (30), the processing element (10) further being inductively heatable by an oscillating magnetic field provided by the heating unit (40).

Abstract: Device (100) for producing fluid foam comprising a container (10) where the fluid can be accommodated, and a foaming tool (20) being rotatable in the inner volume of the container (10); such that the texture and the porosity of the fluid foam obtained are provided by shear energy coming from Couette Flow effect and depend on the dimension of the foaming tool (20) with respect to the inner volume of the container (10), on the location of the foaming tool (20) from the bottom (11) of the container and on the rotation speed of the foaming tool (20).

Abstract: The invention relates to a food processor comprising a steam generator and a heating cup, wherein the heating cup comprises a container and a removable lid for sealing the container, the steam generator being coupled to the heating cup via a steam inlet arranged in the lid, the steam inlet being an opening of a steam pipe arranged in the lid and configured to dispense steam in the container when the lid seals the container.

Abstract: A blending appliance is provided including a motorized base, a blending container, and an agitator configuration fitted into an opening of the blending container and rotatably coupled to the motorized base when the blending container is mounted on the motorized base. The agitator configuration includes a blade arrangement disposed on a spindle performing blending operations on ingredients at a lower end of the blending container. A blade form is disposed on a shaft connected to the spindle performing additional blending operations on ingredients in an upper portion of the blending container. The blade form includes at least two spiral blades disposed on the shaft, and each of the spiral blades having a first end connected to the shaft at a pre-determined distance from the blade arrangement and a second end connected to opposing ends of a crossbar attached at its midpoint to a distal end of the shaft.