Abstract: A hair styling apparatus is provided including a brush head, a plurality of tines located on the brush head, and a series of movable linearly arranged prongs having an angled orientation with respect to the brush head. A user causing movement of the linearly arranged prongs serves to secure the user' s hair against a subset of the plurality of tines.

Abstract: An oral care implement that includes a handle and a head, the head having a front surface. A tuft extends from the front surface of the head along an axis and has a plurality of filaments formed of an elastomeric material. A sleeve circumferentially surrounds a first portion of the tuft while a second portion of the tuft protrudes beyond a distal end of the sleeve.

Abstract: Described herein is an oral care implement comprising a handle, and a head having a main body that is coupled to the handle, the head comprising a release component coupled to the main body, the release component comprising a water-dissolvable matrix comprising a first polymer having a processing temperature greater than or equal to 150° C., and a plurality of tooth cleaning elements.

Abstract: An oral care implement having electrodes thereon. In one aspect, the oral care implement may include a handle and a head, the head having a front surface and an opposite rear surface. A plurality of tooth cleaning elements may extend from the front surface of the head. A soft tissue cleaner may be located on the rear surface of the head, the soft tissue cleaner including a protuberance field. A first electrode and a second electrode are each operably coupled to a power source to have opposite electrical charges. The first and second electrodes may be spaced apart from one another and substantially surround the protuberance field. In other embodiments, the first and second electrodes may be embedded within or otherwise located within the protuberance field.

Abstract: A toothbrush can include a handle and a head. At least one bristle can be attached to the head. The toothbrush can also have an illumination member, an illumination circuit and an activation device. A pliant base on the handle can be used to activate the activation device to initiate the illumination circuit.

Abstract: The present invention provides an extended table for use as a piece of furniture, comprising a table with a top surface, two or more leaves lying at least partially parallel on adjacent planes in the unextended position, and being possible to draw the leaves apart in a plan view and each leaf is supported by a crank arm which is obliquely placed at a certain degree on the leaf, a gear assembly is housed in the table base connects the cranks arms together so that they can be moved angularly simultaneously with respect to one another. In the extended position, the leaves lie in the same plane as the table surface.

Abstract: In some cases, the described system includes: a supporting frame of a shelving; a movement mechanism that is configured to move the supporting frame forward and backward on a guide that includes a direction of movement; an actuating mechanism that is configured to actuate the movement mechanism which is associated with the supporting frame; and a transmission mechanism that is configured to transmit motion from the actuating mechanism to the movement mechanism, and that is associated with the supporting frame; wherein the transmission mechanism includes a driving gear wheel associated with the actuating mechanism and a driven gear wheel cooperating with the driving gear wheel and associated with the movement mechanism.

Abstract: A height-adjustable medicine cart is an apparatus which eliminates the need for medical staff to push around traditional medicine carts. The apparatus includes a cabinet and a height adjustment mechanism. The cabinet is designed to safely store medical supplies and medicine. The cabinet facilitates the storage and retrieval of the contents while preventing access to the stored contents from unauthorized users. The height-adjustment mechanism enables the mounting of the cabinet adjacent to a wall while also enabling the users to adjust the height of the cabinet. The cabinet includes a receptacle body, and the height adjustment mechanism includes a first rail, a second rail, a first carriage, and a second carriage. The receptacle body stores the medical supplies and the medicine. The first carriage and the second carriage slidably connect the receptacle body to the first rail and the second rail to enable the height adjustment of the cabinet.

Abstract: An apparatus for use with a rack of lockers is disclosed. The apparatus includes a key-facilitation server configured to cooperate with a locker server, and also configured to receive a key-access request. The locker server is associated with a rack of lockers including a first compartment configured to allow storage of secondary equipment, a second compartment having an open locker slot configured to maintain storage of equipment, and a locker divider separating the first compartment from the second compartment. The key-access request is configured to indicate a user request configured to request usage of an access key. The access key is also configured to be usable by the locker server. The locker server is configured to receive a locker-access request. The locker-access request is configured to indicate access of a selected locker is user requested. The locker server is configured to use the access key so as to facilitate secured user access of the selected locker associated with the rack of lockers.

Abstract: An accommodation apparatus having anti-peeping function is disclosed, and comprises: an accommodating unit, two loading boxes, and two spacing gap filling unit. The two spacing gap filling unit is disposed between the two loading boxes, and between a top inner wall of the accommodating space and one of the two loading boxes that is located upper the other one. According to particular design of the present invention, after the two loading boxes are inserted into the accommodating space through the opening, one of the two elastic members closely contacting the bottom plate of the loading box, and the other one closely contacting the top inner wall of the accommodating space, such that the accommodation apparatus has advantages of anti-peeping and electromagnetic interference (EMI) shielding, and enhances structural stability thereof.

Abstract: A joining and leveling system for parts of furniture and furnishing items having a bottom or base and a shoulder includes, in combination, a front foot unit and a rear foot unit, wherein each of the front and rear foot units includes a maneuverable connection group with a constraining element and a leveling group with a height adjustment mechanism, wherein both the maneuverable connection group and the leveling group of the front foot and the rear foot unit can be actuated from the front with respect to the furniture through the space between the bottom or base and the floor, and wherein the connection group and the leveling group of the rear foot unit can be actuated from the front using actuation or transmission rods, of which a front end is positioned adjacent to actuation holes of the connection group and the leveling group of the front foot unit.

Abstract: Devices, systems, and methods for promoting hand sanitization which may be mounted above or near a door handle. Hand sanitization devices include a sanitizer agent cartridge disposed inside a housing body and fluidically coupled to an actuating pump. The pump is configured to dispense the sanitizer when an actuation mechanism is pushed or pulled. The cartridge is also coupled to a pump sheath disposed below the pump so as to protect the internal components of the devices from unintentional splashing by the sanitizer agent. The hand sanitization devices may also record when the door is opened, when the sanitizer is dispensed, if the cartridge is empty, and when a user is approaching the door. The hand sanitization devices also have a user interface system configured to encourage the approaching user to sanitize their hands.

Abstract: Dresser includes a frame having a wall section forming at least part of a rear wall, and an upper panel that covers an accessible space. A bracket is attached to a vertical support, a first connector is attached to the bracket, a second connector is attached to the frame in a position to be in the space and removably engages with the first connector when present in the space under the upper panel. The first and/or second connector is length adjustable relative to its supporting structure, i.e., relative to the bracket in the case of the first connector or relative to the frame in the case of the second connector to enable a distance between the frame and the vertical support to be reduced. A reduction in distance between the frame and the vertical support and engagement between the first and second connectors prevents tipping of the piece of furniture.

Abstract: A modular wall organization system including one or plural board assemblies. Each of the board assemblies includes a frame and at least one planar panel held by the frame. Some of the frames include hollow frame sections and corner nodes, which connect the frame sections. The frame sections are configured to be used with hangers for mounting various types of accessories on the board assembly or for connecting plural board assembles together. Some of the accessories are trays, baskets, rolls of writing material, and panel insert assemblies. The panel insert assemblies include various panels, such as cork-boards, dry-erase boards, chalk-boards, fabric-boards, slat-boards, letter-to boards and other types of boards or panels. Some of the frames are in the form of solid frame sections.

Abstract: In view of various movement of a seated person, when giving the left-right swinging operation to the seat in the non-conventional aspect, a chair configured such that the back can perform a new movement suitable for the left-right movement of the seat and return to the predetermined position when the seated person leaves a seat, is realized. For the purpose, a back 6 is arranged behind a seat 5, and the back 6 has an operation mechanism 6M turning-movably supporting the load received from a seated person in a left-right direction in a front view, and when the load is applied, at least a part of guide part 65a, 66a of the operation mechanism 6M is separated and the back moves freely, and when the applied load is removed, the back automatically returns to the neutral position along the guide part 65a, 66a.

Abstract: A chair support device primarily for office use includes a lower support having rollers or feet for standing on the floor spaced apart from each other in predetermined distances, an upper support, and a receiving tube, as a support member, that has a central axis, connected to a central portion of the upper support, extends therefrom towards the lower support and is coupled to a central portion of the lower support by a ball joint that enables tilting of the receiving tube within an angular range relative to vertical and weight load to be taken predominately by the lower support. The support member is preferably in or close to the weight line of a chair held by the device.

Abstract: A collapsible chair is provided, including a seat frame tube, and a support bracket having a mirror structure, wherein the support bracket including a first front leg tube, a second front leg tube, a rear leg tube, and a connecting plate, a top end of the first front leg tube is hinged with an upper portion of the seat frame tube, a bottom end of the first front leg tube is hinged with the top end of the second front leg tube, a top end of the rear leg tube and one end of the connecting plate are hinged with a lower portion of the seat frame tube, and a hinge portion of the first front leg tube and the second front leg tube is slidable along the connecting plate, and the second front leg tube is hinged with the rear leg tube at a certain position.

Abstract: A seating arrangement to be used on a floor includes a support assembly and a seat assembly with a top surface. The support assembly includes a top plate, a bottom plate, a compressible elastic member between the top and bottom plates, and a fastener assembly connecting the top and bottom plates. A diameter of the compressible elastic member is greater than or equal to 40% of a diameter or a length of a diagonal of the top surface of the seat assembly. In response to offset weight placed on the seat assembly, the compressible elastic member selectively compresses causing the seat assembly to axially tilt in substantially any direction such that a plane of the seat assembly tilts downward from a neutral position substantially parallel to the floor, and decompress to the neutral position, in response to the offset weight removed from the seat assembly.

Abstract: A seat assembly for a bucket is disclosed herein. The seat assembly includes a seat back portion; and a seat portion coupled to the seat back portion, the seat portion being in the form of a bucket lid configured to engage a top peripheral rim of a bucket so as to enable the bucket to be used as a seat for a user that provides back support for the user while the user is in a seated position. In one or more embodiments, at least one latching device is configured to secure the seat portion of the seat assembly to the bucket, and the at least one latching device is configured to engage an outwardly extending rim of the bucket.

Abstract: A multi-positional chair assembly comprises a frame portion defined by a pair of sinuously-shaped bars. The frame portion includes a back support section, a middle section, and a buttocks support section. A panel provides a supportive surface for a user. The panel may include a metal sheet, apertures, or parallel strips of material. The frame portion can be positioned in multiple positions to provide a sitting surface, including a lounge chair position and a higher elevated stool position. The chair assembly reconfigures between the lounge chair position and the stool position through rotation. Rotating the buttocks support section and the legs to engage the ground surface achieves the lounge chair position. And rotating the back support section and the legs to engage the ground surface achieves the stool position. The chair may be of a one-piece injection-molded construction.

Abstract: This application relates to flotation devices generally, and particularly to inflatable flotation devices configured for use by an infant to support the infant at least partially above the water and to at least partially retain the infant therein. In some embodiments, an apparatus is a flotation member having an inner perimeter, a top portion and a bottom portion. The flotation member has a first height between its bottom portion and its top portion at a first location of the flotation member. The flotation member has a second height between the top portion and the bottom portion at a second location of the flotation member, the second height different from the first height. The flotation member includes a support member at least partially disposed within the inner perimeter of the flotation member. The support member has a first portion coupled to the top portion of the flotation member at the first location.

Abstract: A connecting structure of a bed frame is disclosed. The bed frame includes a frame and bed legs connected under the frame. The frame includes two lateral rods and two longitudinal rods connected to the lateral rods. Respective two sides of the lateral rods or the longitudinal rods are provided with mounting troughs for insertion of respective two end portions of the longitudinal rods or the lateral rods. An outer side surface of each of the mounting troughs is provided with at least one mounting hole. The lateral rods and the longitudinal rods are perpendicularly connected to each other through the mounting troughs. The structure of the bed frame is simple, and the installation is convenient.

Abstract: Disclosed are adjustable supports and bedsteads. An adjustable support includes an inner bar with one or more cuts and an outer tubular bar with a slot. The inner and outer bars are movably coupled with each other. The adjustable support also includes a mechanism coupled with the outer bar at a position corresponding to the slot of the outer bar. When a cut of the inner bar is aligned with the slot of the outer bar, the mechanism engages with both the cut of the inner bar and the slot of the outer bar, and thus restricts the inner and outer bars from moving with respect to each other.

Abstract: A back rest assembly includes a base assembly mountable adjacent a resting surface and a back rest having a supported side pivotably supported by the base assembly and an unsupported side spaced laterally apart from the supported side along a lateral axis. When the base assembly is mounted, the back rest is positionable over the resting surface and selectively pivotable about the lateral axis for adjusting an angular position of the back rest relative to the resting surface.

Abstract: Disclosed are motorized beds and bed frames. A motorized bed frame includes a lower frame and an upper frame disposed above the lower frame. At one or each of first and second sides of the motorized bed frame, the motorized bed frame also includes an actuating unit and a gearing unit to move and position an upper sub-frame of the upper frame with respective to the lower frame. The upper sub-frames at the first and sides can be independently posited to meet individual needs. In some cases, the motorized bed frame includes additional or optional components to assist the gearing unit to reduce vibration and prolong the lifetime of the bed frame.

Abstract: Provided herein is a blanket elevating device, including a telescoping spinal handle assembly, a structural support portion attached to the telescoping spinal handle assembly, the structural support portion for elevating a blanket above a surface of a bed; and an anchor portion connected to the telescoping spinal handle assembly, wherein the blanket elevating device is actuatable between a collapsed position and an expanded position by the telescoping handle assembly.

Abstract: A climate control system provides the desired climate conditions of temperature and humidity at a contact surface of a multi-layered structure. The climate control system includes a heating mechanism disposed between one or more foam layers of structure and configured to deliver heat to the contact surface and a separate cooling mechanism disposed in the foam layers. The cooling mechanism includes at least one fan assembly, air channels and reticulated foam layers configured to draw air away from the contact surface toward the bottom of the structure. An operational control system is used to control the heating mechanism and cooling mechanism to achieve the desired climate conditions on the contact surface in accordance with a desired time-based climate control algorithm.

Abstract: Mattress assemblies include a hybrid posture support system that provide an end user with improved posture support during use, among other advantages. The hybrid posture support system includes a top foam layer including first and second foam portions that are spaced apart and generally correspond to a head/shoulder region and a foot region, respectively, a pocketed microcoil array underlying the top foam layer that is intermediate the first and second foam portions; and an underlying foam layer. The hybrid posture support system can be used in any mattress assembly including mattresses having a coil spring innercore or a foam innercore.

Abstract: A posturized comfort layer for a bedding or seating product has different sections of different firmness due to different mini coil springs within the sections. The springs may be individually pocketed between two sheets of non-woven polypropylene fabric joined with circular or rectangular weld seams. Regardless of the shape of the weld seams, the different firmness of the different sections of the comfort layer may be due to different mini coil springs contained in the pockets. All pockets may have the same spring, the springs may be contained in different size weld seams to create pockets of different heights.

Abstract: A posturized comfort layer for a bedding or seating product has different sections of different firmness due to different pocketed mini coil springs within the sections. The springs may be individually pocketed between two sheets of non-woven polypropylene fabric joined with circular or rectangular weld seams. Regardless of the shape of the weld seams, the different firmness of the different sections of the comfort layer may be due to different mini coil springs contained in the pockets. In some embodiments, all pockets may have the same spring and the springs contained in different size weld seams to create pockets of different heights.

Abstract: An inclined pocketed spring string (4) and a pocketed spring bed core (3). The inclined pocketed spring string (4) comprises a plurality of pocketed individual springs (1) connected at intervals. Each pocketed individual spring (1) comprises a fabric (11) and an individual spring (12) packaged in the fabric (11). The individual springs (12) in the pocketed spring string (4) are entirely or partially inclined in the fabrics (11) in an inclined manner. The inclined pocketed spring string (4) and the pocketed spring bed core (3) of the present invention, as compared with the pocketed spring bed core of the same size, can effectively decrease the number of springs used and reduce manufacturing costs.

Abstract: Knitted fire barrier fabrics for use in forming a flame retardant articles having a core, include for example, a unitarily knitted form comprising a plurality of yarns. The plurality of yarns define the unitarily knitted form having a longitudinal knitted direction, and the unitarily knitted form includes a plurality of differential zones of knitted material extending side-by-side in the longitudinal knitted direction. The knitted fire barrier fabric is disposable on the core so that at least one of the plurality of differential zones of knitted material of the knitted fire barrier fabric provides a differential protective capacity to at least one selected portion of the flame retardant article.

Abstract: A upholstered sofa covered by a form fitting upholstery sack where the upholstery sack incorporates a supportive material panel that has integrated support webbing into the material panel. The support webbing comprising a plurality of webbing straps. With the upholstery sack properly positioned on the back rest portion, the supportive material panel is positioned on the front of the back rest portion frame. The material panel with webbing is incorporated as a component of the upholstery sack where the upholstery sack is pre-formed to snugly fit over the back rest portion of a furniture frame. The back rest portion or the frame is inserted into the sack and the material panel with integrated webbing is attached to the frame. Once the material panel is positioned and fastened, the remaining components, for example, the back panels and side panels, of the upholstery sack are attached to the frame at the back rest portion.

Abstract: The invention relates to a chair slipcover or sleeve which is sized to slide over a variety of camp chairs and other collapsible outdoor chairs. More specifically, the claimed invention is directe to a strap, a pair of straps or a continuous strap and a display panel or a pair of display panels. The display panels can show a message or display the name of a favorite sporting team. Panels can also be designed to show sponsorship information.

Abstract: A bassinet includes a main frame and a bassinet frame. The bassinet frame is detachably installed on the main frame. The bassinet frame is vertically movable between a first position and a second position relative to the main frame. When the bassinet frame is located at the first position, a supporting surface of the bassinet frame is located in close proximity to a top surface of the main frame, so that the bassinet provides an unhindered view of a child in the bassinet frame. The bassinet can be used as a normal bassinet when the bassinet frame is located at the second position. The main frame and the bassinet frame can be used as a standard play yard and a stand-alone bassinet when the bassinet frame is detached from the main frame. Therefore, the bassinet of the present invention has multiple purposes.

Abstract: Exemplary embodiments of the present disclosure relate to a shelf assembly.

Abstract: The present application provides a merchandiser for dispensing a number of products. The merchandiser may include an ambient compartment with a number of ambient product columns with a number of ambient products therein, an X-Y drive device positioned beneath the ambient compartment, and a temperature controlled compartment positioned beneath the X-Y drive device, the temperature controlled compartment including a number of temperature controlled product columns with a number of temperature controlled products therein. The X-Y drive device receives an ambient product from one of the ambient product columns of the ambient compartment and delivers the ambient product to one of the temperature controlled product columns of the temperature controlled compartment.

Abstract: A cabinet for a non-reversing image mirror (“NRIM”) is provided. A pivot assembly is provided for deploying the NRIM in open and closed positions. A second front-surface mirror of the NRIM has a width greater than a first front-surface mirror thereof. The cabinet may have additional compartments and/or second-surface mirror(s).

Abstract: Wind noise is suppressed from occurring in a gap between a support body and a housing body, without obstructing movement of the housing body with respect to the support body. An outer mirror device includes a mirror that assists visual recognition by an occupant of a vehicle, a visor that houses the mirror, a base that supports the visor such that the visor is capable of moving, and a seal member that is provided to the base. The seal member is separated from the visor when a speed of the vehicle is a predetermined speed or lower, and abuts the visor when the speed of the vehicle exceeds the predetermined speed so as to seal at least part of a space between the visor and the base.

Abstract: An aesthetic fastener is an innovated fastener that can accept an aesthetic cap or cover on the head of the fastener. The aesthetic fastener is similar to a regular screw but with a thicker and threaded head to receive the aesthetic cap or cover. Additionally, the aesthetic fastener comprises an attachment that allows the fastener to accept aesthetic caps or covers that are larger in diameter than the diameter of the head of the aesthetic fastener. Further, the aesthetic fastener includes an attachment that allows a user to easily hang items on to the aesthetic fastener with the aesthetic cap or cover on the aesthetic fastener.

Abstract: Modular tray and methods of using the modular tray to support various items by securing the modular tray to a structure in a cantilevered-type arrangement. The modular tray may include one or more of a junction member, a tray member, a cover member, a cylinder member, and a clamping unit. The modular tray can be secured to a structure with the clamping unit or the cylinder member so that one or more of the junction member, tray member, and cylinder member are cantilevered from the structure.

Abstract: The secure parcel delivery receptacle comprises a parcel receptacle, a locking cover, a scanner, and a camera. The parcel receptacle may be a container into which the parcel may be placed. Access to the parcel receptacle may be via the locking cover which may only be unlocked by the scanner. The scanner may scan the parcel using wireless technology, optical technology, or a combination thereof to determine parcel identification information from the parcel. The parcel identification information may comprise or may be associated with a one-time code that will unlock the locking cover one time only. The camera may record one or more images as proof of delivery. The scanner may transmit one or more wireless messages containing status information regarding attempts to access the secure parcel delivery receptacle to the purchaser, to the seller, or to both.

Abstract: A cookware handle includes a plastic grip portion molded over a portion of an insert. The insert inserts into a bore of a flange. The grip portion is externally flush with the flange interface and the insert internally connects the grip portion to the flange. This allows the grip portion to be over molded on a first part of the insert so the other portion can be welded or otherwise attached to the flange after external surface finishing of the flange. The insert and flange may be welded together along a portion of the insert that contacts the flange within the bore and that is not visible when the flange is attached to a cookware vessel sidewall to provide the grip molded as a handle for the cookware vessel.

Abstract: A valve (100) comprises: a housing (110), an elastic cap (120) and a driving device (13); at least one group of ports (111) is provided in the housing, and each group of ports comprises an inlet (111a) and an outlet (111b); at least a portion of the elastic cap is provided in the housing; and the driving device is used to drive the elastic cap to undergo an elastic deformation so as to obstruct the inlet and the outlet.

Abstract: A beverage dispensing machine designed for aircraft use has compact dimensions, is low-weight and satisfies the safety requirements and standards applicable in that sector. The beverage dispensing machine can dispense both large quantities of a beverage, such as 1.6 liters of American coffee or tea, inside a jug positioned inside an appropriate seat, and smaller quantities of hot water (typically 150 ml), which can be used to prepare beverages, via a nozzle situated on the outside thereof. In one embodiment, the beverage dispensing machine includes a bottom jug retention system having a locking lever hinged on spiral seats to keep the jug stationary during the dispensing of the beverage.

Abstract: A beverage dispensing machine provided with a cappuccino maker includes a heater, a jug provided with a lid having a hole, and a pipe, operated by an actuator, which moves the pipe perpendicularly with respect to the jug so that, during operation of the heater, the pipe emits steam into the jug, at the same time locking the jug inside its seat. The pipe is operated with a mechanism sliding upwards and downwards inside guides and is provided with a flexible connection piece for connection to the heater.

Abstract: A system (1) for preparing beverages, in particular aromatic beverages such as espresso coffee and similar, having at least one type of brewing device (2), at least one beverage discharge disposition (3) that provides beverage discharge in a direction opposite that of the gravity force, and at least one type of beverage recipient (4), for example of the type glass, cup or similar. The system (1) presents at least one introduction opening (8) configured for the introduction of portions (7) of edible substance, arranged next to said beverage discharge disposition (3), so that both are accessible on a common exterior surface of the apparatus casing (6) of said beverage preparation apparatus (5). Also, a process for preparing beverages having a step of confirmation the correct placement of a beverage recipient (4) engaged in said beverage discharge disposition (3) and display of corresponding information.

Abstract: A vent valve flow fuse includes a valve cap with a valve cap cavity defined by one or more valve cap interior surfaces. The vent valve flow fuse includes a valve body with a valve body cavity defined by one or more valve body interior surfaces. The vent valve flow fuse includes a poppet configured to at least partially fit within the valve cap cavity and the valve body cavity. The vent valve flow fuse includes a spring configured to fit within the valve body cavity and to generate a resistive force against the poppet. The poppet is in a first position when fluid having a first amount of fluid pressure enters the valve cap cavity from a vent valve and engages the poppet. The poppet is in a second position when fluid having a second amount of fluid pressure enters the valve cap cavity and engages the poppet.

Abstract: A refrigerator appliance having a cold brewed coffee system positioned within a chilled chamber of the refrigerator appliance is provided. In one example aspect, the system includes a housing defining a water reservoir and a coffee reservoir. The water reservoir is in fluid communication with a water supply via an inlet supply conduit. An inlet valve is positioned along the inlet supply conduit and selectively allows water into the water reservoir. The water within the water reservoir drips into the coffee reservoir where the water mixes with coffee materials received therein. Cold brewed coffee is produced within the coffee reservoir and may slowly drip into a coffee container positioned or docked beneath the housing.

Abstract: A dispensing group for an espresso coffee machine is described. The group comprises: a coffee boiler configured to contain pressurized hot water; a supply duct for feeding hot water under pressure towards a puck of coffee powder; and a filter-holder support comprising guides (30) which form at least one sliding surface for slidably supporting a filter holder, wherein said filter-holder support is rotatable between a first position for inserting the filter holder and a second dispensing position and wherein said dispensing group comprises a mechanical locking device for locking the filter-holder support in the second dispensing position.