Abstract: Various embodiments of the present invention are directed to a children's bouncer apparatus. In various embodiments, the apparatus includes a support frame, seat assembly configured to support a child, and bouncer control device. The support frame includes one or more semi-rigid support arms that extend above a base portion and suspend the seat assembly above the base portion. The bouncer control device is configured to impart a driving force on the seat assembly via a magnetic drive assembly, thereby causing the seat assembly to continuously oscillate at the natural frequency of the children's bouncer.

Abstract: A baby carriage comprises a frame and a cushion. The cushion is disposed on the frame. The cushion comprises a plurality of reinforcing plates and a fabric cover. The reinforcing plates are disposed in the fabric cover. The reinforcing plates are arranged side by side and separated from each other. At least one of the reinforcing plates comprises a plate body and a first reinforcing rib. The plate body has a plurality of through holes formed thereon. The first reinforcing rib is located on a bottom surface of the plate body. The first reinforcing rib comprises a straight section and a curved section. The curved section extends from the straight section. A gap exists between an end of the curved section and one of the straight section and the curved section.

Abstract: A merchandising system includes a first cooperating member having a first engagement structure for engaging the mounting member in order to restrict movement of the first cooperating member relative to the mounting member in at least one direction. A second cooperating member includes a second engagement structure for engaging the mounting member to restrict movement of the second cooperating member relative to the mounting member in at least one direction. A third engagement structure is provided for selectively connecting the first cooperating member to the second cooperating member. The first cooperating member and the second cooperating member are selectively independently mountable to the mounting member and are selectively attachable to each other and mountable as a combined structure to the mounting member.

Abstract: A door for a refrigerated merchandiser including a case defining a product display area. The door includes a door frame that is attachable to the case, and a glass panel assembly that is coupled to the door frame. The glass panel assembly includes a first glass panel and a second glass panel that is spaced apart from the first glass panel by a gap. The glass panel assembly further includes a conductive coating that is applied to the first glass panel, and a heater element that is coupled to the first glass panel and that is in electrical communication with the conductive coating. The door also includes a connector that extends through the first glass panel and the second glass panel and securable to the glass panel assembly, and the connector is configured to electrically connect the heater element to a power source.

Abstract: A pillow is provided that includes a latex foam to provide comfort and support to the body of a user. The pillow includes a latex foam layer connected to at least one additional foam component. An internal foam layer is also included in the pillow, with the latex foam layer and the additional foam component disposed about the internal foam layer.

Abstract: A dual compartment zipper adjustable pillow includes a main body portion having front and rear panels having four sides, and sealed along three of the sides. The main body portion defines an interior space. A neck support portion is connected to the main body portion at a adjacent to the fourth side. A full open end zipper defines first and second zipper portions disposed on the main body portion front panel and openable to access the interior space. One half of a full open zipper defines a third zipper portion disposed on a rear side of the neck support portion. In dual compartment configuration, the neck support portion is outside of the main body portion interior space and the first and second zipper portions are closed to enclose the main body portion. In a single compartment configuration, the neck support portion is positioned in the main body portion interior and the first and third zipper portions are closed to enclose the main body portion.

Abstract: A device and method for holding food and drink simultaneously, comprising of a combined plate and adjustable cup holder. The plate may have one or more compartments for holding food and the cup holder is for supporting various drink containers. The plate having an aperture through which the cup holder is situated. The cup holder may move within the aperture with protrusions near the top and bottom of the cup holder to prevent the cup holder from disengaging from the plate. When the cup holder is lowered with respect to the plate, it provides a natural handle. When the cup holder is raised with respect to the plate the base of the cup holder and base of the plate are substantially coplanar, allowing the plate to rest on a flat surface.

Abstract: The present invention relates to an adjustable drinking cup that limits the risk of aspiration by retaining a neutral neck position or by permitting a patient to tuck their chin while drinking. The adjustable drinking cup has a continuous wall formed by an exterior and interior surface that extends between a top and bottom end. The continuous wall forms a top and bottom opening. A plunger is received within the bottom opening. During use the patient fills the adjustable drinking cup with a liquid and after a predetermined amount of liquid is consumed the plunger is pressed upwards to raise the liquid to a predetermined position near the top opening. This is repeated each time a predetermined amount of liquid is consumed.

Abstract: The utility model belongs to cups, particularly a new side push button lid. The cup lid comprises a threaded body, a hold-down piece, a sealing seat, an upper lid body, an upper lid plate, a push rod, a sealing valve, and a button connected successively from bottom up. The middle area of the lower end of the push rod is movably connected with the holder on the hold-down piece; one end of the push rod is connected with a sealing valve in a snap-fit manner; the other end is connected with a drive rod of the button; and the upper end of the seal valve abuts the water outlet of the upper lid plate. The pressed button drives the drive rod to apply a pushing force to the push rod to force the sealing valve to move downward, the sealing valve is removed from the water outlet and water is supplied.

Abstract: In an embodiment of the invention, an apparatus comprises: a first sleeve body and a second sleeve body, wherein the first sleeve body comprises a first sleeve body outer wall and a first sleeve body opening, wherein the first sleeve body opening is configured to removably receive a cup, wherein the first sleeve body outer wall comprises a first sleeve body outer wall portion, wherein the second sleeve body comprises a second sleeve body inner wall, wherein the second sleeve body inner wall comprises a second sleeve body inner wall portion, and wherein the second sleeve body inner wall portion is coupled to the first sleeve body outer wall portion.

Abstract: The present invention relates to a device for holding a stemmed glass and in particular to a holder attachable to a camping style chair or other structure. The device, in one embodiment has a holder with an opening for supporting a stemmed glass. A top piece is integral with the holder and is generally coplanar therewith. A bottom piece acts as a spring. In this regard, the bottom spring piece can be separated from the top piece wherein it can clamp onto a chair arm bar or other surface (round or flat). The top piece has an arched inside surface with two parallel rails. The bottom piece has a notch therein. In a second embodiment, a wire device is provided having a holder, a first arm, a second arm, a third arm and a lever.

Abstract: A two-part tray apparatus that includes a base tray having a desk surface for drawing and writing and a food tray having four food compartments. A resilient bottom of the base tray may rest on a lap. The food tray is nestable into the base tray and is nonslideable relative to the base tray. The base tray includes a proximal side with no upwardly extending walls to make it easy for a child to write or draw on the desk surface. Strap units are included to anchor opposite ends of the tray apparatus or may be connected to each other to form a full length shoulder strap.

Abstract: Embodiments of the present invention are related to a parcel receiving apparatus that may comprise a parcel bin, a frame assembly, and a locking system. The frame assembly may be configured to fit inside a support structure aperture and circumscribe the parcel bin. Additionally, the parcel bin may be rotatably attached to the frame assembly along a fixed axis. The locking system may be operable to permit or deny a user from rotating the parcel bin into an open position. Applications of the parcel receiving apparatus may include remote access and automatic rotating functionality.

Abstract: A receptacle holding unit for a beverage preparation device includes a first part and a second part cooperating with the first part; a cavity for receiving a receptacle containing an ingredient; and a driving device for relatively moving the second part towards the first part into a closed position for securing such receptacle in the cavity and relatively apart from the first part into an open position for inserting of the receptacle into the cavity. The driving device has an actuator and a transmission that has a helicoidal ramp arrangement cooperating with a connector member for converting a translational movement into a rotational movement or vice versa. When the actuator actuates the transmission, the first and second parts are driven together or apart by the ramp arrangement cooperating with the connector member.

Abstract: Within a brewing unit for a coffee machine, a brewing chamber, which is arranged in a pivotable brewing cylinder, can be filled with ground coffee powder by using a filling device. For the purpose of introducing the coffee powder, the brewing chamber has a filling opening. With the aim of avoiding undesired deposits of grounds in the region of the upper side of the brewing unit, and also of improving levels of hygiene, a projection extends in the filling direction outside the brewing chamber, wherein the projection is such that the exit region of the filling device is introduced with the formation of an interspace between the projection and a side wall of the exit region such that the projection substantially fully surrounds the exit opening of the exit region. Coffee powder supplied in the filling device drops from the exit opening of the exit region, directly through a through-opening of the projection and the filling opening, into the brewing chamber without striking against the projection.

Abstract: An extraction unit (10) for extracting cartridges (1a; 1b) of two different dimensions (da, ha; db, hb) comprises a seat (14,20) for receiving any of these cartridges (1a; 1b) for extraction thereof in the seat. The seat is delimited by a first part (20, 30, 33) and second part (12,13,14) that are relatively movable between a cartridge extraction position and a cartridge loading and/or ejection position. The first delimiting part has a first member (30) and a second member (33) that are relatively movable between: —a first member position delimiting a cartridge cavity of a first depth (Ha) for receiving a cartridge (1a) having a first height (ha); and —a second member position in which the ca cartridge cavity has a second depth (Hb) different to the first depth (Ha) for receiving a cartridge (1b) having a second height (hb) different to the first height (ha).

Abstract: A beverage preparation apparatus includes a milling unit which obtains powders by grating an object to be grated, a liquid storage tank which stores a liquid, a liquid supply path having one end connected to the liquid storage tank and having the other end provided with a supply port, a powder reception portion which is provided to be movable and receives powders obtained by the milling unit, and an agitation tank which has an opening portion opening upward and mixes the powders introduced through the opening portion from the moved powder reception portion and the liquid supplied through the opening portion from the supply port. The milling unit includes an outlet port which discharges the obtained powders into the powder reception portion and the outlet port is located below the opening portion.

Abstract: A grate assembly for cooking food products and a grilling apparatus which uses the grate assembly for supporting the food during cooking. The grate assembly comprises: (a) a lower grate element having a series of parallel peak structures with valleys therebetween and (b) an upper grate element having a series of parallel food support ribs which are sized and spaced such that each rib will be positioned over the top of a corresponding peak structure. The upper food contacting surfaces of the ribs will remain substantially rust-free at atmospheric and cooking conditions.

Abstract: A cooking device may be for a solid-fuel cooker that includes a firebox for carrying solid-fuel therein and having a base and at least one sidewall extending upwardly from the base, and a cooking plate to be carried adjacent the firebox and defining a cooking surface. The cooking device may include a tubular fuel container for carrying the solid-fuel therein, and to be carried within the firebox and spaced inwardly from the at least one sidewall. The tubular fuel container has upper and lower open ends adjacent the cooking surface and the base of the solid-fuel cooker, respectively. The cooking device may also include a solid cover carried by the upper open end of the tubular fuel container.

Abstract: A combustion cooker with an integrated and optionally removable thermoelectric generator and methods for making and using the same. The combustion cooker can include a fire basket that comprises a bottom region and a lateral region that is coupled with the bottom region and that defines a central combustion chamber. Being disposed about a periphery of the fire basket, the thermoelectric generator can include a cold side heat sink and a hot side heat sink. The cold side heat sink can be cooled via exterior air available outside the housing; whereas, the hot side heat sink can be in direct thermal communication with the periphery of the fire basket. Thereby, the thermoelectric generator advantageously can generate electrical power based upon a thermal differential between the cold side heat sink and the hot side heat sink.

Abstract: A blade holder assembly for blender having a cup body arranged on a cup base; the cup base connects the cup body and a blade holder component; the blade holder component has a blade holder below and connected with the cup base; a handle is arranged on the bottom of the blade holder; connecting members are arranged on both ends of the handle; a locator is on the bottom of the blade holder; a connector is arranged at the center of the locator; a guide bone is on the edge of the blade holder, and a rotary button is in the guide bone; on the rotary fastener, two fastening members are arranged; the connecting members are connected with the rotary fastener; a guide slot is on the inner edge of the cup base; in the guide slot, a convex button is arranged for fastening the rotary fastener.

Abstract: The invention relates to a device for processing foodstuffs, including an upper part, a drive and a lower part and a working unit that can be driven and set rotating by means of the drive, the drive being a manually cord-operated drive and the device having a holding-operating element on the upper part. The upper part of the device has an opening and is designed to feed the foodstuff to be processed to the working unit and to hold the device in position.

Abstract: A plier's nutcracker includes a hand tightening screw mounted through a threaded hole on one handle of a plier type nutcracker at a position adjacent to nutcracker's pivotal connection. The engagement of this hand tighten screw through tightening and untightening regulates the pressure the nut or object to be crushed shall receive in a cracking operation. The pressure shall result in either large broken hull pieces or hand-breakable cracks on the hull or shell effectively eliminating the scattering of shells and hulls in the cracking operation while keeping the kernel in one whole piece or fewer big pieces. Additionally, the engagement of the hand tighten screw creates a safe distance between the nutcracker handles to prevent fingers from being pinched in a cracking operation.

Abstract: A system when coupled with a material inputting, material holding, and washing device is a fully automated robotized cooking system. Computer control what material is inputted in the Cooking Chambers, the correct time and degree of heat, required amount of rotation, placing the cooked item in the bowl, and washing the Cooking Chamber. The device have horizontal rotation, like a ferris wheel, that keep each Cooking Chambers horizontally until rotation is required. The Pivoter pivot the Cooking Chambers up or down at any position in the rotation. There can be up to 6 Cooking Chambers independently operating at the same time. This invention can cook up to six different food items at the same time twenty four hours a day.

Abstract: A shower door assembly including at least one door panel having a bottom surface, a bottom frame member including a top portion and a bottom portion, the top portion including two grooves on a lower side thereof, the bottom portion including two sidewalls each having a top edge engaged in one of the two grooves, the door panel adjacent to and above the top portion of the bottom frame member, wherein the bottom surface of the at least one door panel is in a plane divergent to a plane of a bottom surface of the bottom frame member.

Abstract: A device comprising a partition with various functionalities and uses.

Abstract: An improved cleaning solution dispenser and method of use thereof. The apparatus comprises a casing and a cartridge. The casing comprises an external housing having a bottom portion with an outlet port, an air pump, and an injector connected to the air pump. The cartridge comprises an air tight reservoir containing a cleaning solution, a nozzle disposed on a bottom side reservoir, the nozzle having an opening disposed at an end point of the nozzle, and an injection point disposed at a top portion of the reservoir configured to receive the injector. The injector is configured to puncture a surface of the injection point. The air pump pumps air through the injector into the reservoir above the cleaning solution. The increased internal air pressure of the reservoir forces the cleaning solution through the nozzle.

Abstract: A multiple roll toilet tissue holder that includes: a first mounting arm; a second mounting arm; a first mounting slot extending from the first mounting arm; a second mounting slot extending from the second mounting arm; a first rod extending from the first mounting arm at a 90 degree angle; a second rod extending from the second mounting arm at a 90 degree angle; and a third rod in between the first mounting arm and second mounting arm, where the third rod is parallel and aligned with the first rod and second rod. The multiple roll toilet tissue holder may further include a magnetic portion at the center of the third rod, wherein the magnetic portion enables a division of the third rod and tissue holder into two halves. In one particular embodiment, the first rod and second rod are curved to help secure a toilet tissue roll in place.

Abstract: Technology associated with automatically raising a toilet seat is described. In an example embodiment, a device for automatically raising a toilet seat includes a fluid-based movement source that generates a force upon actuation and a movement transmission mechanism configured to transfer the force to the toilet seat to raise the toilet seat from a lowered position to a raised position. The fluid-based movement source is fixable to a toilet having a toilet seat and a toilet bowl and the movement transmission mechanism is connected to the fluid-based movement source to receive the force and coupleable to the toilet seat.

Abstract: Methods and apparatus for controlling odors in an enclosed space, such as a pit latrine, include providing an oxidizer, such as a catalytic heater and an optional mechanical ventilation unit, such as an inline fan, both flow connected to a vault (pit) of the latrine. The heater is also connected to a source of fuel, for example, propane. Fresh air is drawn through vents in the latrine housing and thereafter through toilets in the latrine and through the vault, providing oxygen for the reaction. The fan and/or oxidation process draws both fresh air and accompanying odorous compounds directly from the latrine and into the oxidizer wherein the odorous components are substantially destroyed.

Abstract: The device for holding male genitalia adjacent a toilet seat is an apparatus that may be installed temporarily on the front, inside edge of a toilet seat. When installed on a toilet seat, the apparatus provides support for a user's penis while the user is seated on the toilet. In so doing, the apparatus prevents the user's genitalia from touching water in the toilet or the toilet itself. The apparatus is easily installed by sliding U-shaped clips onto the front of the toilet seat.

Abstract: A reconfigurable upright surface cleaning apparatus may include a cleaning unit including an air treatment member, a suction motor and a clean air outlet. The cleaning unit may be detachably connected to the surface cleaning apparatus. A reconfigurable air flow passage may include at least one portion that is alternatively configurable between a surface cleaning mode and an auxiliary cleaning mode. An adjustable handle may be provided on the cleaning unit and may be drivingly connected to the surface cleaning head. The handle may include a grip portion having at least one grip member and may be moveable between an extended position, in which the grip portion is spaced apart from the cleaning unit, and a retracted position, in which the grip portion is positioned proximate the cleaning unit.

Abstract: A surface cleaning head may be configured to receive a removable rotatable driven agitator, such as a brush roll, or a non-driven agitator. Either of these agitators may be located in an openable agitator chamber for purposes of removing debris and/or removing the agitator. The openable agitator chamber may be covered by an external cover that is movable between an open position and a closed position. The non-driven agitator may include an agitator body including a bottom portion supporting one or more cleaning pads. The non-driven agitator body may also define one or more air inlets, an air outlet and an air passageway extending therebetween to facilitate air passage through the surface cleaning head. Different removable agitators with different characteristics may be used interchangeably in the surface cleaning head.

Abstract: A vacuum cleaner to suction dust by applying vibration includes a motor, an eccentric load applied to a rotating shaft of the motor which when rotated by a rotation of the rotating shaft produces vibration force, a vibration plate to apply the vibration force to an object to be cleaned, and a vibration transfer member to transfer vibration force to the vibration plate.

Abstract: A cleaner comprises a body configured to generate a suction force, a handle including a first manipulation part configured to select a function of the cleaner, an extension pipe detachably coupled to the handle and an accessory assembly configured to be coupled to the handle to clean a cleaning surface. The accessory assembly comprises an accessory body, a dusting tool on which a brush is mounted, a crevice tool to clean a gap, and an Upholstery tool to clean fabrics. The upholstery tool is rotatably coupled to the accessory body, the crevice tool is rotatably coupled to the accessory body so that a suction port of the crevice tool is rotatable with respect to the accessory body, and a central axis of the accessory body is provided to be inclined at a predetermined angle with respect to a rotation axis of the crevice tool.

Abstract: A nozzle (10) for a floor cleaning device, suitable for both wet and dry cleaning, the nozzle comprising an airflow inlet (50) at a front end of the nozzle, and a detachable cleaning device (90) that, if mounted on the nozzle (10), lifts a rear end of the nozzle.

Abstract: A refuse holder for holding refuse in a vacuum cleaner is provided. The refuse holder comprises a collector unit for collection of refuse from air entrained with refuse as the air is moved through the collector unit via air inlet means and air outlet means on configuration of the refuse holder in a vacuuming mode, wherein collector unit retains the refuse as a batch of collected refuse. The refuse holder further comprises a storage unit connectable to the collector unit by outlet means for storage of a plurality of batches of collected refuse from the collector unit, each batch being transferrable to the storage unit on configuration of the refuse holder in a refuse transfer mode. The refuse hold further comprises means for switching the configuration of the refuse holder between vacuuming mode and refuse transfer mode. A vacuum cleaner incorporating the refuse holder is also provided.

Abstract: A dust collector for a vacuum cleaner disclosed herein includes a first cyclone that is configured to separate dust from air introduced from a lower portion thereof with containing foreign materials and discharge the separated dust into a first dust storing unit, a second cyclone that is configured to separate fine dust from the air, from which the dust has been separated by the first cyclone, and discharge the separated fine dust into a second dust storing unit defined in a second case, and a lower cover that is coupled to the first case by a hinge so as to define a bottom surface of the first dust storing unit, the second dust storing unit and the first cyclone upon being closed, and discharge therethrough the foreign materials collected in the first dust storing unit, the second dust storing unit and the first cyclone upon being open.

Abstract: A handle assembly for a vacuum cleaner that includes a handle attached to a duct assembly. The duct assembly includes a first duct and a second duct. The first duct pivots relative to the second duct about a pivot axis, and the first duct and the second duct rotate collectively relative to the handle about a rotation axis. The rotation axis is then orthogonal to the pivot axis.

Abstract: A side brush for a robotic vacuum cleaner includes a brush core, a plurality of bristle clusters having a first length, and a plurality of further bristle clusters having a shorter length than the first length. The plurality of bristle clusters and the plurality of further bristle clusters are regularly distributed over a circumferential surface of the brush core.

Abstract: A cleaning tool for a floor cleaning appliance is provided, including a main body carrying a cleaning cover which is subject to wear, and including a signal transmitter which provides a wireless signal in dependence upon the degree of wear of the cleaning cover. To be able to detect in a cost-effective manner when a maximum admissible degree of wear of the cleaning cover is reached, the signal transmitter is of rigid construction and fixed to a movable carrying part, the carrying part being held on the main body and being movable from a normal position to an evasive position against a restoring force, the carrying part protruding further from the main body in the normal position than in the evasive position, and the carrying part and/or the signal transmitter contacting the floor surface to be cleaned when a maximum admissible degree of wear of the cleaning cover is reached.

Abstract: A cleaning robot system includes a robot and a robot maintenance station. The robot includes a chassis, a drive system configured to maneuver the robot as directed by a controller, and a cleaning assembly including a cleaning assembly housing and a driven cleaning roller. The robot maintenance station includes a station housing and a docking platform configured to support the robot when docked. A mechanical agitator engages the roller of the robot with the robot docked. The agitator includes an agitator comb having multiple teeth configured to remove accumulated debris from the roller as the agitator comb and roller are moved relative to one another. The robot maintenance station includes a collection bin arranged to receive and hold debris removed by the mechanical agitator.

Abstract: A flat wiping cloth for a wiping cloth holder includes an elongated base. The elongated base includes a main cleaning surface and a sheetlike textile material. The sheetlike textile material does not include a base fabric with threads attached to the main cleaning surface. At least one cleaning lip is formed on the elongated base. The at least one cleaning lip is swivelable relative to the elongated base about a swiveling region.

Abstract: The object of this invention is a valve body of a cleaning appliance, specifically a dosing device, whose valve body can open and close the inlet and outlet pipes of the dosing chamber of the dosing device, to release a correct amount of detergent for soaking a cleaning cloth.

Abstract: A method of operating a dish treating appliance includes a user interface disposed along the top edge of a door for selectively opening and closing access to a treating chamber. The user interface can be illuminated and operating the user interface can include operating a user input mode when the door is open and a status mode when the door is closed.

Abstract: In a method for operating a dishwasher, a desorption process of a reversibly dehydratable dry material of a sorption-drying system is initiated at least at times. A parameter that influences the desorption process is hereby evaluated for determining an instant for performing the desorption process.

Abstract: The present invention relates to a dishwasher comprising a washing chamber, a water circulating system and a water filtering system, said water filtering system is arranged in the lower part of the washing chamber, wherein said water filtering system comprises a filter through which at least some of the circulating water is passing, said filter having bistable characteristics such that it has two stable shapes and is flippable from one stable position to the other by a force applied on the filter in a direction toward the other stable shape, wherein the filter is securable in the lower part of the washing chamber by flipping the filter from one stable shape to the other. The invention furthermore relates to a method for mounting the filter in a dishwasher.

Abstract: Provided herein are a dishwasher comprising a washing chamber arranged for holding soiled items to be washed, a filter, and a circulation pump, and methods of operating the same. The washing chamber may be arranged such that, when the flow of washing liquid passes through the washing chamber, soil is released from the items to be washed and caught in the flow. The filter may be such arranged that, when the flow of washing liquid with soil passes through the filter, soil is separated from the flow of washing liquid and caught at the filter. The dishwasher may further include a soil trap, which is located separate from the circulation flow, and a soil removing unit including a transport unit for transport of the soil caught at the filter into the soil trap.

Abstract: A washing agent dispenser for machines for washing includes a dispenser body with a receptacle for containing a washing agent, a lid having a lid body mounted in a guided way with respect to the dispenser body for being movable between a position of closing and a position of opening of the receptacle, and sliding guides between the dispenser body and the lid body. The sliding guides include: a first guiding element and a first guided element; and a second guiding element and a second guided element. At least one of the dispenser body and the lid body includes at least one constraint element, which is additional to the first walls and second walls and is pre-arranged for limiting displacements of the guided elements with respect to the guiding elements in a direction generally transverse to a direction of sliding of the lid determined by the sliding guides.

Abstract: A dishwasher comprises a basket (10) for accommodating articles to be cleaned, said basket comprising a basket floor and a plurality of holding spikes (30) projecting upwardly from the basket floor, and a rotatable spray arm (12) located below the basket, the spray arm comprising a plurality of spray nozzles (20) oriented to direct water jets towards the basket. In accordance with the present invention the basket (10) comprises at least one fixed holding spike (30) or a fixture (90) for a removable holding spike (92) the placement of which coincides with the path of movement of one of the spray nozzles (20), said fixed holding spike or fixture for a removable holding spike comprising means (36) to optically differentiate the holding spike from the remaining holding spikes.