WO2011076378A2

WO2011076378A2 - Animal food cover actuation device, in particular for animal food containers, an animal food device and method for operating an animal food device

Info

Publication number: WO2011076378A2
Application number: PCT/EP2010/007806
Authority: WO
Inventors: Bernd Stark; Friedrich Holzwarth
Original assignee: Hans Stark E.K.
Priority date: 2009-12-26
Filing date: 2010-12-21
Publication date: 2011-06-30
Also published as: WO2011076378A3; DE102010055467A1; DE102010055466A1; WO2011076379A2; WO2011076379A3

Abstract

The invention relates to an animal food cover actuation device (1) comprising a drive (6) which can be controlled by a control device (8) for actuating at least one cover (2) which is coupled at least indirectly to said drive, and which is used to open and/or close at least one opening (3) releasing animal food and/or liquids, in addition to an animal food device. The invention is characterised in that at least one device (9) is coupled to the control device (8) for detecting at least one variable describing, at least indirectly, an electric and/or magnetic and/or electromagnetic field in a environmental range (12) predefining the opening (3) providing the animal food. Said control device (8) is embodied and/or programmed in such a manner if the variable describing, at least indirectly, the electric and/or magnetic and/or electromagnetic field in said environmental range (12) predefining said opening (3) releasing the animal food changes, the drive (6) is controlled. The invention also relates to a animal feed device (10) and to a method for operating an animal food device (10).

Description

Food cover operating device, in particular for

Feed containers, a feeding device and method for operating a

The invention relates to a food cover operating device, in detail with the features of the preamble of claim 1 and a

Feeding device with such a Futterabdeckungsbetätigungsvorrichtung. The invention further relates to a method for operating such

Feed cover actuator.

Food containers for the care of pets, such as domestic dogs and

Domestic cats with pet food, especially solid, pasty or fluid media for the purpose of nutrition and / or support the development are already known in different versions of the prior art. Often only a feed container in the form of a food bowl / water bowl, which is commercially available in a variety of shapes, sizes and materials, is often used. Such containers are generally not closable, but according to a further development can also be closed by hand with a lid, the lid then being added to the container or any lid being used. For the purpose of filling the individual feed container must be opened by the holder and then either closed again as desired or around the

to allow the animal's access to the contents of the container to remain open. A major problem in this case is a supply of food in the absence of the holder is because either the container remains closed or open the whole time, which is too considerable

Odor nuisance and can lead to spoilage of the feed.

To solve this problem, feed containers are therefore already known, controlled by a timer open at pre-selected times automatically. Such timer-controlled feed containers are exemplified in such a way that they have circularly positioned containers by a turntable are covered. Within the turntable a passage opening is provided as an opening, which is timed by a rotational movement of the turntable at a preset time on one of the filled wells is moved and thus releases the feed located in this. However, such devices are complicated and correspondingly expensive. A major disadvantage is that on the one hand, the opening is made only at certain predefined times and further the respective containers are open after release over a longer period of time, wherein still contained therein food residues are not covered. This leads to the use of dry food as well as wet food to a very unpleasant odor nuisance, also by exposure to the immediate environmental conditions to deteriorate the quality of the remaining food leftovers. Also openly accessible leftovers attract pests, especially flies, which in turn deposit their eggs in these remnants and reproduce accordingly. Therefore, such feed containers are actually only partially suitable for installation in living rooms.

In order to avoid this problem, DE 195 42 307 A1 discloses a feed bowl with a mechanically movable lid for covering, which is articulated to a footboard designed as an inclined ramp. The lid is actuated by the weight of the approaching pet entering the ramp. If the ramp is no longer acted upon by the pet, folding down and thus closing the feeding bowl is effected in the absence of weight due to the weight of the lid. However, a major problem with such an embodiment is that, on the one hand, it is very difficult for the pet to be such

To get used to the mechanism, which is rather unusual and unnatural for this and further the ramps usually cover only a portion of the circumferential direction of the container, so that not all sides a corresponding result is effected and the animal is often in front of a closed bowl or from sides The owner must take appropriate precautions that the animal always touches the bowl over the footboard from one side zoom occurs. Also, the mechanism must be designed so that even the animal with the lowest weight can still cause an opening.

Another container for animal feed with an automatically opening lid is previously known from the publication DE 20 2006 006 891 U1, wherein the lid is actuated by means of an infrared sensor via a drive device. In this case, the lid is mounted on a socket located on the front cup, which is in the base of the controlled by the infrared sensor unit drive.

This includes one driven by a motor

Power transmission component which is eccentrically connected by a push rod with the lid. The control unit includes the infrared sensor, which is located on the base and the circuit for the control of the engine is activated by the infrared sensor. In this case, the opening or closing takes place via the drive unit. A major problem with this design is that the arrangement is carried out directly in the base and the entire device is therefore difficult to clean, also the Rücksteilen an actuation of the

Drive unit requires and thus always a corresponding function of the sensor must be guaranteed. Also, the sensor only works when the animal has access from a certain direction, especially from the front. Laterally arriving animals are not recognized. Manual operation always takes place against the force of the drive and loads it. The coupling takes place via hinges. However, these and the push rod are poorly cleanable, since these and the other mechanics is partially open to the system and is not waterproof encapsulated system.

The invention is therefore based on the object, a feed container of the type mentioned in such a way that the disadvantages mentioned are avoided and in a simple manner, the approach of an animal is detected and thus the feed container is opened only when actually desired feed seeking and when successful Feeding safe again

is closed, whereby odor nuisance and the tightening of

Vermin is avoided. The drive unit for the Can be used in a variety of feed containers, less susceptible to interference and easy to clean, especially dishwasher-safe.

The solution according to the invention is characterized by the features of claims 1, 20 and 24. Advantageous embodiments are described in the subclaims.

A food cover operating device according to the invention according to a first approach, comprising one via a control device

controllable drive for actuating a at least indirectly coupled to the cover for releasing and / or closing a feed and / or liquids releasing opening, characterized in that at least one coupled to the control device for detecting at least one of an electric and / or magnetic and /or

electromagnetic field at least indirectly descriptive size in a predefined environmental area of the feed releasing opening

is provided, and the control device is designed and / or

is programmed to control the drive in a predefined environment of the feed releasing opening in a change of the electric and / or magnetic and / or electromagnetic field at least indirectly descriptive size.

The solution according to the invention is based on the basic idea that each body is characterized by electrical and / or magnetic and / or electromagnetic fields of various strengths and / or influences it when entering such a field. As a result, a simple and safe releasable actuation of the cover can be realized and depending on the desired Ansteuerervariante a feed container according to predetermined procedures opened and / or closed, the triggering actually only takes place when due to an active movement, a change of the respective field in the immediate Area of the feed container results. The solution according to the invention requires no additional agents at the triggering for the function Individual, that is generally responsive to entering the sensitivity range of the device for detection.

Animal feed is generally understood to be pet food. However, the solution according to the invention is particularly suitable for the removal of feed by domestic animals and small animals, which is why it also includes pet food for domestic and small animals. The feed itself may be in solid, liquid or pasty form and with different consistencies and compositions. As liquids in particular water is considered.

The fact that the control device is designed and / or programmed means, in particular, that the control device can be designed as a processor which can be appropriately controlled by means of software or a program code for carrying out the specified steps. In addition, this means that the control device can be configured as pure hardware by suitable interconnection of, for example, semiconductor components. In addition, the control device can also be configured from a combination of hardware and software or so-called firmware. From the detection of at least one, an electric and / or magnetic and / or electromagnetic field at least indirectly descriptive size over a period can be a change from a

Derive ground state with certainty. This requires a corresponding evaluation within the control device. In an advantageous further development, therefore, the at least one device for detecting at least one or more devices describing at least indirectly an electrical and / or magnetic and / or electromagnetic field is arranged and designed such that a change in the electrical and / or magnetic and / or or electromagnetic field at least indirectly

capturing descriptive size directly. Direct detection makes it possible to control the drive without intermediate evaluation. In order to detect only an actual approach of an animal or, when desired filling by the holder also an actuation of the

Achieving coverage is the least one means of detection

at least one, an electrical and / or magnetic and / or

Electromagnetic field at least indirectly descriptive size or more such devices arranged and designed such a change of the electrical and / or magnetic and / or electromagnetic field at least indirectly descriptive size in a predefined

Surrounding area of the feed releasing opening in the range of 0mm to 500mm, preferably 0mm to 300mm, more preferably 100mm to 200mm to capture. As a rule, this near-field is only entered by individuals who are actually interested in releasing it.

Depending on the concrete structural design, the

Control device designed and / or programmed so that the drive a) only to release the opening or

b) only to close the opening or

c) is activated to release the opening and to close the opening. The latter possibility offers the advantage of a timely and adaptable to changing circumstances optimally adjusting operation with little effort.

In an advantageous development is provided, the

Futter cover operation device to be designed and interpreted in such a way that after elimination of the conditions of an operation, the cover is automatically closed, in which case the provision due to the formation of the Futterabdeckungsbetätigungsvorrichtung in the absence of

Actuation force occurs. For this purpose, a return device is provided, which is arranged and designed to build upon actuation of the drive to release the opening through the cover a restoring force, which causes a reset and thus closing the opening in case of elimination of the actuating force by the drive. The rear part device can be carried out variously. Conceivable are mechanical, hydraulic, pneumatic, electrical / electronic systems or a combination of these, preferably mechanical solutions are sought, which work trouble-free and safe. The rear part device can be designed as one of the following devices:

- An energy storage, in particular spring unit, via which upon actuation of the cover for opening a bias is built up, which leads to the resolution after elimination of the actuation force;

- At least one weight, wherein the actuation of the cover for opening takes place against the weight force and causes the weight of the weight of this force a restoring force when the operating force

- An arrangement of iron core and magnet or a magnetic device, comprising at least two magnets which are arranged on the drive or the connection thereof with the cover and a fixed reference region, wherein the actuation of the cover for opening takes place against a magnetic force, in the absence of the actuating force exerts a restoring force.

The coupling of the drive with the cover is carried out either directly or indirectly, in the latter case, a power transmission device

is interposed. This allows a transmission or reduction of the torque provided by the drive and thus depending on the design a very sensitive operation.

The drive and the power transmission device are for the purposes of

Ensuring safe operation in a rotatable housing relative to the environment of the housing arranged sealed. The seal is at least liquid-tight. In a particularly advantageous manner, the control device and optionally also the energy supply or energy supply unit are integrated therein. This creates an encapsulated unit that is pre-assembled and stand-alone

Unit with and without cover is tradable and for the cleaning in the dishwasher is possible if necessary. The cover is with the

Coupled outer circumference of the housing and is depending on the angle of rotation of the Housing pivoted about a pivot axis. The pivoting angle of the cover is determined as a function of the angle of rotation of the housing.

In a particularly advantageous embodiment, the drive is a

Assigned energy supply unit, which is also arranged in the housing. This includes in the simplest case galvanic cells or accumulators, whereby a network-independent operation is ensured and also this arrangement in the housing does not affect the possibility of cleaning.

If, according to a first embodiment, the housing comprises a rotatable jacket mounted about an axis or axle journal, the drive can in a first embodiment

Execution be mounted at least indirectly in the housing on the axle or the journal or floating in the housing, in which case a

Fixing means of a device for holding / fixing the drive in its spatial position within the housing takes place. This holding device is based on the utilization of magnetic forces and comprises in a particularly cost-effective embodiment, at least one iron core and a magnet, wherein one of the components fixed to the drive or the

floating storage is arranged and the other stationary outside the housing. Also conceivable is the embodiment with at least two magnets, which are arranged and designed to generate a correspondingly high attractive force for holding. This solution has the advantage that there is no rigid connection between the drive and the cover, so that the forces are supported by manual operation of the cover on the means for holding and thus by magnetic forces, which reduces the burden and the consequent wear.

In an alternative second embodiment, the housing comprises a rotatable jacket mounted about an axle or axle journal. The drive is on

Housing stored. The power transmission device includes an example with the drive rotatably connected pinion and one on the axis or the

Stub axle stationary mounted ring gear.

In an advantageous embodiment according to the first embodiment, when the drive and the control device are integrated in a hollow cylindrical housing, the drive and the control device are arranged and mounted eccentrically about the theoretical axis of rotation of the housing in the region of an axial plane or with a slight offset to one another on a common carrier unit , whereby the available space can be exploited in an optimal way. The housing is either rotatably mounted for this purpose either completely together with the shaft due to a rotationally fixed connection with this, i. is driven by a shaft or in the second case is supported on an axle. In both cases, the drive is preferably mounted floating on the drive shaft or the bearing axis in the housing and coupled via a power transmission device with the shaft or the housing. The rotatable part of the housing is rotatably connected to the cover.

In floating storage are in a particularly advantageous embodiment to avoid slipping and locking the drive, the

Control device and optionally the power supply unit fixed on the means for holding the drive in its spatial position within the housing in order to support the forces acting on the drive during application of the actuating forces can. In a particularly easy way

To implement the solution comprises an iron core and a magnet, or two magnets, which are arranged and adapted to apply an attractive force in the amount of the required holding force.

With regard to the design of the power transmission device there are a variety of possibilities. This includes for the first embodiment of the solution according to the invention in the simplest case, a transmission whose input is non-rotatably connected to the drive and the output rotatably connected to the housing, wherein

preferably the input of the transmission of a rotationally fixed to the drive coupling pinion and the output of a non-rotatably connected to the housing, in particular the casing of the housing or connected to this rotatably connected housing cover ring gear is formed. These

Arrangement allows optimal use of the available space in the interior of the hollow cylindrical housing space in the radial direction with respect to the axis of rotation of the housing of the Futterabdeckungsbetätigungsvorrichtung optimal.

The food cover operating device comprises for avoiding

Fehlansteuerungen preferably also means for detecting the functional position of the cover. These are also integrated in the housing according to a particularly advantageous embodiment. To detect the position of the cover, the position of the power transmission device, in particular the ring gear is used, which is directly related to the position of the cover in functional connection. This can be done in the simplest case using reed sensors.

Regarding the arrangement of the device for detecting at least one, an electric and / or magnetic and / or electromagnetic field

At least indirectly descriptive size is also a plurality of possibilities. This can be done on the housing

Futterabdeckungsbetätigungsvorrichtung or also on the the opening to be released forming unit, in particular directly or in the immediate vicinity, for example, below or laterally juxtaposed or the cover to be arranged. As sensors preferably find capacitive sensors

Use.

The food cover operating device according to the invention is for

universal insert preferably in its position adapted to the position of the opening to be released, in particular adjustable in the horizontal and / or vertical direction. This can for example be different

Futterbehältnishöhen be considered. A Futterabdeckungsbetätigungsvorrichtung invention can be designed as an independent unit with already docked or replaceable dockable cover, sold prefabricated and combined with any feed containers. For this purpose, the cover can preferably be releasably connected to this and be changed if necessary. As a result, the geometry and / or dimensioning of the cover to the concrete opening to be released is customizable.

The cover may be in an evolution with a

Vacuum generating device combined to be a hermetic

Sealing the opening to achieve. This is arranged and formed such that the cover bears sealingly against the inner circumference of an edge region of the opening. This can generate a negative pressure by manual operation. This has the advantage that the container is absolutely dense during transport and the feed contained in this is characterized by a longer shelf life.

In a further development, a feed device according to the invention comprising a feed container with a cavity for receiving and removing feed, accessible via an opening to be released by means of a cover, is designed in such a way that the cover is provided with a cover

Food cover actuator according to one of claims 1 to 20 is connected. In this case, the feed device may preferably be referred to as

Entire unit sold.

In the "closed" operating position, the cover can seal the opening under sealing engagement with the inner circumference of the opening or with the edge area forming the latter The first possibility offers the advantage that, when the cover protrudes, there is no manual misoperation by others

Individuals can be done.

In a further embodiment, the feed container is at least two parts

executed, comprising a receiving device and at least one in this usable and replaceable, the cavity for receiving feed forming cup. This possibility offers the advantage that the

Recording device for receiving different types of wells may be suitable and thus a receiving device for many different care situations is available.

In a particularly advantageous embodiment, the arrangement of the

Receiving device and the Futterabdeckungsbetätigungsvorrichtung on a common base plate, to which also the spatial orientation

to each other. As materials preferably find silicone, various

Rubber compounds, plastic-rubber compounds, thermoplastic and thermosetting plastics use.

In principle, the execution of the mechanism, in particular drive and power transmission can also be used with other methods of detection. In this case, the following sensors can be used individually or in combination: Switching mat / Infrared sensor / Ultrasonic sensor / Chip / RFID. A

Futterabdeckungsbetätigungsvorrichtung with above-described mechanism, comprising a controllable via a control device drive for

Actuation of a cover at least indirectly coupled thereto for releasing and / or closing a feed and / or liquids releasing opening, can then for example be characterized in that an identification system is provided on the basis of electromagnetic waves, comprising an authorized to operate the individual attributable Transponder for contactless reading of one, the

Authorization characterizing information, a reading device for reading this information, which is coupled to the control device, wherein the

Control device is designed and / or programmed to control the drive for releasing the opening and / or closing of the opening through the cover in the presence of the authorization descriptive information. This solution is based on changes in electromagnetic waves and offers the advantage of a clear identification of the person entitled to open. The inventive method for operating a feed device according to any one of claims 20 to 23, characterized in that at least one, an electrical and / or magnetic and / or electromagnetic field at least indirectly descriptive variable is continuously detected, wherein over a predefined period unchangeable present quantities a ground state define and upon detection of a deviation from this ground state, which is triggered for example by the approach of an animal, the

Futterabdeckungsbetätigungsvorrichtung is actuated for applying the actuation force for releasing the opening, wherein either after a predetermined time period or upon re-detection of this basic state, the actuating force is canceled or the Futterabdeckungsbetätigungsvorrichtung is actuated to apply the actuation force to close the opening. By balancing with respect to the ground state, the system is self-learning, and also possible changes in the field present in the environment of the feeder, which may be due to the changing field

Characterized amount of feed in the feed container or static by, for example, the arrangement of more remaining in the environment

Objects are to be taken into account.

In an advantageous further development according to the first solution approach, an additional identification of the plausibility check is provided

To use the authorization to initiate the operation to open the cover using one of the following systems:

- an electronically readable chip

- a barcode system

- an RFI D system

only to detect the change of the field and the presence of the authorization information the drive to release the opening

head for. The solution according to the invention is explained below with reference to figures. It details the following:

FIG. 1 shows a schematic, simplified representation of the basic structure and the basic function of a design according to the invention

Feed cover actuator;

Figures 2a and 2b illustrate possible based on signal flow images

Operations of the fodder cover operating device;

FIGS. 3 a to 3 d illustrate, on the basis of signal flow diagrams, example advantageous functionalities of the feed cover actuating device;

FIGS. 4a and 4b show different views

Feed cover actuating device according to the invention in one

Feed device;

FIGS. 5a and 5b show examples of advantageous embodiments of the invention

Feed cover actuator;

FIGS. 6a to 6e show an inventive device

Food cover operating device according to the figures 4 to 5 in

different sectional planes according to Figure 5b;

FIGS. 7a and 7b show the carrier unit in different views; FIGS. 8a and 8b show possible embodiments of the cover in FIG

different views;

FIG. 9 shows, by means of an embodiment according to FIG. 1, a further possibility of actuation;

Figure 10 shows an advantageous embodiment of a

A fodder cover operating device of a feeder means an arrangement of the sensor and the antenna;

Figures 1 1 a to 1 1 c show for an advantageous embodiment of a

Futterabdeckungsbetätigungsvorrichtung a feeding device, a further particularly advantageous arrangement of the sensor and the antenna. FIG. 1 shows a schematic, simplified representation of the basic structure and the basic function of a design according to the invention

Food cover operating device 1 for operating a cover 2 for Purpose of releasing and / or closing at least one opening 3 of a feed container 4. Figures 2a and 2b illustrate with reference to

Signal flow images the basic function of the Futterabdeckungsbetätigungsvorrichtung 1. About the opening 3 is the recording and provision of

Food for animals and the self-removal of the food by itself. The feed container 4 may be formed in various ways, but has at least one on the at least one opening 3 for animals

accessible and an interior 5 descriptive hollow volume, which can be fitted or loaded via the at least one opening 3 with food. This interior space 5 describes a cavity open in one direction to one side of at least one side of the cavity, which can optionally be closed via the cover 2.

In the illustrated case, the feed container 4 with the cover 2 is shown in a particularly advantageous embodiment in a basic position which corresponds to a first main functional position I, the state "closed." In this functional state I, the opening 3 is covered by the cover 2 Depending on the design of the food container 4, this can be used as a stand-up container or, depending on the design of the food container 4, the closure being preferably sealed in order to prevent odor nuisance and the ingress of vermin

Hanging container be formed. Accordingly, the arrangement is made with respect to a ground plane characterized as a base. The illustrated

Feed container 4 according to Figure 1 is for an advantageous application as

Standing container executed, which is on a flat reference surface, which corresponds, for example, in living rooms, the floor, a pedestal or other parking space is positioned. The arrangement or

Stand level describes the XY plane in an exemplary co-ordinate system. The spatial directions are denoted by X and Y, while the Z direction describes the height direction.

In the illustrated case, the feed container 4 is formed in the simplest case as a cup, which by a round or rectangular or otherwise shaped Cross section may be characterized and the interior 5 is in vertical

Open towards the top, so that the cover 2 is arranged and aligned in the closed position substantially parallel to the XY plane. However, other arrangements that are possible in the

Essentially dependent on the open side 5 of the interior 3 and its location. The food cover operating device 1 and the

Feeding container 4 form in their entirety the unit feeding device 10, which in dissolved construction of mutually matched with respect to their function individual components Futterabdeckungsbetätigungsvorrichtung 1 and feed container 4 is assembled or designed from the outset as a structural unit and is also offered.

To operate the cover 2, this is with the

In the case shown, the cover 2 is pivotally mounted about an axis A _s and the Futterabdeckungsbetätigungsvorrichtung 1 causes a pivoting movement about this. Conceivable, but not shown here, but also pure displacement movements in horizontal or / and vertical direction or superimposed movements of sliding and pivoting movements.

The forage cover actuating device 1 comprises a drive 6 which is coupled to the cover 2, in particular directly or via power transmission means 7. To drive from the first to the second functional position II and / or vice versa, the drive 6 via a

Control device 8 controlled. The control device 8 is designed and / or programmed such that it is suitable, as a function of at least one input variable XE as a trigger signal to cause a manipulated variable Y1 for driving the Futterabdeckungsbetätigungsvorrichtung 1. The

Futterabdeckungsbetätigungsvorrichtung 1 acts as an adjusting device 1 1 of the feeding device 10. In this case, the inventive actuation of the Chuck cover operating device 1 based on the presence of a change of an electric or magnetic or electromagnetic field. The lining cover actuating device 1 for the cover 2 comprises for this purpose at least one device 9 for detecting at least one variable which at least indirectly describes a change in a magnetic, electric or electromagnetic field. At least indirectly means that the change is either recorded directly or via variables functionally related to it. This device 9 is formed in the simplest case as a simple sensor. The single device 9 serves the

Detecting a change of a magnetic or electrical or

electromagnetic field in a predefined environment 12 of the

The predefined environment 12 comprises the immediate vicinity of the feed container 4 and may be based on the positioning of the device 9 by an angular range in all directions in space or individual angular ranges in different spatial levels or a predefined area of space which is writable by a solid to be determined. For the use of the feed device 10 for feeding domestic animals, in particular cats, a dependable space region of, for example, 100 mm can be defined as a function of the sensitivity.

In this case, as shown in the signal flow diagrams in Figures 2a, 2b to illustrate the basic function of the invention

Chuck cover operating device 1, a change of the electric or magnetic or electromagnetic field from the

different conditions are determined. In a first embodiment according to FIG. 2a, the electric or magnetic or electromagnetic field present in the space anyway in the vicinity of the feed container 1, in particular the environment 12, is detected and detected or determined in a method step VA. Starting from this basic state, a change in the corresponding field in VB is monitored, preferably continuously or in correspondingly short time intervals and in the event of a change in the field detected in VC at least one approaching an individual size characterizing and processed in the control device 8 as an input variable XE and converted into the corresponding actuating signal Y1 for actuating the actuating device 1 1, in particular the Futterabdeckungsbetätigungsvorrichtung 1 in VD. Otherwise, ie at a constant field, the cover 2 remains in their

Function position and it is further monitored the presence of a deviation.

According to a second basic version is active an electric or

magnetic or electromagnetic field in the environment 12 of the

Feed container 4 applied in step VE, in which case a corresponding means 13 for applying a predefined field, in particular electrical or magnetic or electromagnetic field is provided. The field which can be generated via this device 13 then describes the ground state VA in the environment from which a change triggered by the approach of an animal individual is detected, the method then proceeding in analogy to FIG. 2a. The device 13 is therefore in Figure 1 by means of a broken line, as not immediately required for the implementation of the basic concept of the invention, but only optionally provided in a particular embodiment, reproduced.

In the control device 8, at least one manipulated variable Y1 for controlling the feed cover actuating device 1 is formed from the at least one variable which at least indirectly describes a change in a magnetic or electric or electromagnetic field and actuates the latter.

With regard to the individual actuations, different control methods are conceivable. In a particularly advantageous embodiment, in the closed state of the cover 2, which corresponds to the functional position I, a

constant, the environment 12 characterizing field determined. When changing the corresponding field, the food cover operating device 1 is driven so that it spends the cover 2 from the closed to the open position. Since after opening the cover 2, the animal can remove the media contained in the interior 5, although this in one Eating position remains, however, while this process constantly induces a change in the field due to the movement of the head in particular, the change of the field is further detected during this process at certain predefined time intervals or continuously, the cover 2 being in functional position II "depending on the field change. When the animal leaves, a change is again detected in the sense of an adaptation to the ground state, which can lead to a closing of the cover 2, that is, no more force is exerted on the cover 2 in the simplest case and this reset or active on the adjusting device 11, in particular deferred.

Figure 1 illustrates only the basic structure and the figures 2a and 2b, the basic function and the basic principle for the release of access to a

Feeding device 10 for animals, in particular pets, by detecting a change in field caused by the appearance of the animal,

preferably magnetic field change. With regard to the specific embodiment of the Futterabdeckungsbetätigungsvorrichtung 1 and the individual control method for operating these there are a variety of ways. The basic function consists in the automatic opening and reclosing of the opening 3 through the cover 2, which has been approximately explained in the figure 1 and Figures 2a, 2b.

The figures 3a to 3d illustrate by way of example possible advantageous variants for operating such a feed device 10, in particular for controlling feed cover actuating device 1 Depending on the design of the

Chuck cover operating device 1 can take place an active or passive opening and / or closing, in particular, a distinction is made between an active or a passive return of the cover 2. The active reset is activated by a corresponding activation of the

Futterabdeckungsbetätigungsvorrichtung 1 causes, while the passive

Reset automatically after elimination of the conditions for the

Control of the adjusting device 7 is made. 2a shows, with reference to the sequence VA to VC referenced to the flow VA to VC, an active control of the Futterabdeckungsbetätigungsvorrichtung 1 in the presence of a field deviation from a ground state and thus detecting an approach of an individual to the feed device 10, in particular the feed container 4 and a passive provision for elimination of the requirements. In this embodiment, the

Chuck cover operating device 1 is designed and designed such that it actively actuates the cover 2 in the presence of a field deviation and, in the absence of a deviation in the functional position "closed" retains or automatically resets this automatic reset takes place by means of a back-piece device, wherein the applied

Operating force of the restoring force is directed in the opposite direction and thus the operation in the functional position "open" by applying the actuating force against the restoring force to generate a bias occurs.

The actuation of the cover 2 due to an actuating force in the

At the same time, the temporal and / or spatial behavior of the field is further monitored

Individuums, the operating force is no longer applied and the provision is made automatically due to the restoring force.

In contrast, in an embodiment according to FIG. 3 b, it is possible to dispense with a rear part device and both

Function positions I and II on the Futterabdeckungsbetätigungsvorrichtung 1 actively set. In this case, in the event of a size at least indirectly characterized by an approach of an individual, in particular an animal, the cover cover actuating device 1 is actuated in such a way that the cover 2 is moved to the functional position II "open" in VD 1. During the removal of the chuck this deviation continues to be monitored, ie the presence of an individual in the Range of the feeding device 10. If the deviation from the

Canceled basic state, according to VD2, a control of the Futterabdeckungsbetätigungsvorrichtung 1 is made such that the

Cover 2 is moved to the functional position I "Closed".

According to FIG. 3c, it can be provided that, after opening after expiry of a predetermined period of time, which is monitored in method step VF following method step VD, the cover 2 is automatically moved to the functional position I "closed", preferably by active actuation of the feed cover actuating device 1 in VD2 or omission by deactivation and thus automatic reset upon successful adjustment against a restoring force The control can be designed in such a way that a field change always enjoys a priority before the preset time 3c according to a method in Figure 3d after

Expiration of the predetermined period of time in step VF upon detection of the non-existence of the prerequisites for holding the cover 2 in the

Functional position "open", this either active in VD2 reset or passive by a now taking place automatic reset due to the omission of the actuation force on actuation against a restoring force, reset and kept at further presence of the requirements, the cover 2.

In a particularly advantageous embodiment, the ground state is detected over a predefinable period of time, the ground state corresponding to the state that is free of a field change over a predefined period of time. This ground state is in particular in all of these methods

advantageously adapted continuously, so that also by the removal conditional changes of the respective field are taken into account. By way of example, a duration of 15 seconds to 20 seconds is considered as the time duration for detecting a ground state. If no field change takes place during this time, the detected, the field at least indirectly descriptive quantities to describe the ground state set.

The methods described in FIGS. 3a to 3d are not exhaustive. Rather, these represent advantageous basic methods which are even more modifiable.

For the concrete constructive execution of

Chuck cover operating device 1 is a plurality of

Possibilities, wherein in the following figures 4 to 1 1 particular

advantageous basic versions are shown.

Figures 4a and 4b illustrate in a simplified representation of a particularly advantageous embodiment of an inventively designed feed container 1 in a perspective view with the different functional positions I and II of the cover 2. Recognizable here is the feed container 4, which is positioned in the illustrated case on a base plate 15 and can be performed in various ways. The feed container 4 may be made in one piece or in a particularly advantageous embodiment for reasons of hygiene in several parts. This includes in the illustrated a receiving device 14 in the form of a receptacle and preferably at least one, in this interchangeable integrable container in the form of a cup which receives or contains the food. The receiving device 14 here forms an over-container, the main function is to fix the position and ensure safe conditions. The cover 2 is formed by a cover 24 which is not coupled directly to the receiving device 14 and / or the insert. It is also conceivable, however, the lid 24 directly to the

Receiving device 14 or to attach to the insert and the

Futterabdeckungsbetätigungsvorrichtung 1 to steer this. The the

Cover 2 forming cover 24 is formed and executed and positioned over the Futterabdeckungsbetätigungsvorrichtung 1 relative to the opening 3 of the receiving device 14 in the form of a receptacle that this sealingly rests on this, in particular in the edge region 16. The Figure 4a illustrates here the functional position I, in which the cover 2 closes the access to the interior 5. The figure 4b illustrates the here

Functional position II, in which the cover 2 the access to the interior 5 releases.

Figures 4a and 4b illustrate a particularly advantageous and compact trained Futterabdeckungsbetätigungsvorrichtung 1 with integrated drive 6, power transmission device 7, control device 8 and

Power supply unit 17. These are in a preferred

integrated hollow cylindrical housing 18, wherein the integration is carried out in an advantageous manner such that the unit formed by pressure and

liquid-tight and thus dishwasher-safe. The

Chuck cover operating device 1 further comprises a support unit 19 which can be positioned on the base plate 15 or can also be fixedly connected thereto and on which the drive 6 and / or the

Power transmission device 7, in particular the housing 18 are mounted.

FIG. 5a illustrates, in a view from the right, an embodiment according to FIG. 4b, of the integration of the insert in the form of a cup in FIG

This has means 20 for fixing the position or for supporting the insert, which may be formed differently depending on the type of insertion and in the case shown for a mounted cup in the edge region 16 of the receiving device 14 in the circumferential direction formed retaining groove 21 include in which the cup rests with its reshaped edge region, the cup preferably having a flange-forming edge 22 for this purpose.

The Futterabdeckungsbetätigungsvorrichtung 1 is juxtaposed to the feed container 4 in the axial direction. This is designed and arranged such that the cover 2 is movable by pivoting between the individual functional positions I and II, wherein the pivoting movement takes place about a theoretical axis A _s , which is arranged outside the extension of the feed container 4 is. This coincides here with the central axis of the housing 18 and also preferably, but not necessarily, the arrangement of the bearing axis A of the Futterabdeckungsbetätigungsvorrichtung 1 in the support unit 19. Figure 5b illustrates in a view of the feed device 10 from the side of the arrangement of the Futterabdeckungsbetätigungsvorrichtung 1 this in a cut. The food cover operating device 1 comprises a cylindrical housing 18, in particular hollow cylindrical housing, on the outer periphery of which the cover 2 forming cover 24 is fixed, wherein the hollow cylindrical housing 18 is rotatable and on the rotatability in

Circumferential direction about the axis A _s by changing the position of

Anlenkpunktes the lid 24 on the outer circumference in the circumferential direction

Swiveling the lid 24 causes. The lid 24 is preferably, as shown in the figure 8a and 8b as a single part, designed as a molded part 23, which may be performed depending on the choice of material of a plastic or even a metal with a correspondingly formed or molded seal. In the illustrated case, the cover 24 with its function covering covering area 24.1 substantially to the

Shape of the opening adapted to the receiving device 14 in the area to be covered. In the coupling cover area 24.2 provided with the feed cover actuating device 1, this is preferably designed and shaped in such a way that it surrounds the housing 18 on the outer circumference via a coupling area 24

Partial area wraps around in the circumferential direction, wherein in this part of the attachment takes place. The attachment is made for the purpose of Auswechseins by means of detachable connections by force and / or positive connection, in particular by plugging.

According to the first particularly advantageous embodiment, the

Futterabdeckungsbetätigungsvorrichtung 1 as adjusting device 1 1 a drive 6 in the form of a geared motor, in the interior 25 of the housing 18th

is floating. The food cover actuating device 1, in particular the housing 18, abuts on an axis A or on both sides corresponding, mounted in the support unit 19 axle journals freely rotatably mounted. The rotational movement is from the drive 6 via the

Power transmission device 7 transmitted to the housing 18. The

Power transmission device 7 includes in the illustrated case a

Transmission gear 27 with a transmission or reduction. The transmission can take place directly or, as in the illustrated case indirectly, via a housing cover 26 that closes the interior 25 of the housing 18 laterally. Connected to this rotationally fixed an internally toothed ring gear 28, which meshes with a coupled to the drive 6 pinion 29 and is driven by this. The drive 6 can be supplied with power via a power supply unit 17. This is in the case shown in the

the simplest case, so-called galvanic cells in the form of batteries, which can be provided and installed in a great variety of variations. For storage of the power supply unit 17 and the drive 6, a support unit 30 is provided. This is preferably formed at least in two parts, wherein the individual subunits 30.1, 30.2 are preferably releasably positively or non-positively connected to each other. Both subunits 30.1, 30.2 are arranged coaxially with one another and, with their outer circumference 31 .1, 31 .2, are preferably in the contour of the inner circumference of the housing 18

adjusted, with a clearance fit is provided in between. Further, the support body unit 30 is mounted on the axis A, to which this one

Has passage opening. Fixed to the support unit 30 is also the control device 8. To hold the drive 6, in particular the electric drive machine in its position within the housing, a device 32 is provided, which in the case shown from a magnet and an iron core, wherein the magnet 32.1 within the Housing 18 is arranged on the support body unit 30 and the iron core 32.2 is arranged outside of the housing 18. The arrangement is such that an attractive force in the amount of the required holding force is achieved. Figures 6a to 6e show the Futterabdeckungsbetätigungsvorrichtung 1 in different, set perpendicular to the pivot axis As cutting planes according to Figure 5b. FIG. 6a shows a view DD on the

Futterabdeckungsbetätigungsvorrichtung 1 without housing cover 26 on the ring gear 28. The ring gear 28 can rotatably with the not shown here

Housing cover 26 or the housing 18, in particular the inner circumference of the housing 18 may be connected or formed on this as an integral unit. This meshes with the driven via the drive 6 pinion 29. Due to the rotationally fixed coupling with the housing 18 either directly by pressing the ring gear 28 in this or on the rotatable coupling with the housing cover 26, the housing 18 is driven. In this case, the support body unit 30 remains unchanged in its position in the housing 18, i. the housing 18 twists around this. According to a particularly advantageous further development, the position of the cover 2 can additionally be detected by the control device 8. For this purpose, by way of example, an embodiment according to FIG. 6a is provided with position detection means 37, comprising by way of example a sensor 38 (not illustrated here) in the board 33, which detects corresponding reference points for the first functional position I and for the second functional position II. The individual reference points are arranged by way of example either on the ring gear 28 or on the cover 26 and can be picked up by the sensor 38.

FIG. 6b illustrates a section F-F according to FIG. 5b. The arrangement and arrangement of the board 33. This is arranged in the circumferential direction about the axis A at the end face 34 of the subunit 30.2 and extends into

Circumferential direction about the theoretical axis of rotation of the housing 18 over a partial area. FIG. 6c shows a section GG through the drive 6, in particular the electric drive machine. It can be seen that the board 33 is disposed below the drive 6 within its axial extent.

Figure 6d illustrates a section H-H and Figure 6e shows a section J-J. In this can be seen a spring unit which secures the antenna contact via the axis As and carrier unit 19 to the antenna in the housing 18.

In all the illustrated embodiments, the housing 18 is open at its end faces and is closed by cover elements, in particular 26, wherein the individual cover element 26 is rotatably connected to the housing 18 in each case. The non-rotatable coupling can be done in various ways. Can be used non-positive or positive connections. It is crucial that these can also be solvable, that is, allow a reversible opening or closing. In the housing, the support body unit 30 is arranged. FIG. 7a shows this in a perspective view, and FIG. 7b illustrates an axial section. The

Carrier unit 30 is adapted with respect to the outer periphery of the inner periphery of the housing 18 with clearance and thus cylindrical. The arrangement region of the electrical drive machine and the receiving region for the circuit board 33 of the control device 8 can be seen in FIG. 7b. For assembly purposes, the two subunits 30.1 and 30.2 are formed by separate elements which can be connected to one another in a rotationally fixed manner, the connection being non-positive or positive can. The drive block thus formed further comprises in the area for receiving the axis A a passage opening. It is also conceivable to mount the entire drive block on the support unit 19 only in the region of its end faces via corresponding axle stumps.

In the case shown, this is designed as a battery compartment with the individual receiving openings, which are accessible via the end face of the support body unit 30, in particular facing away from the subunit 30.2 end face of the subunit 30.1. The receiving openings for the individual galvanic cells are not shown here in detail. However, these can be arranged arbitrarily, the arrangement preferably about the axis A in the installed position of the supporting body unit 30 in

mounted housing 18 takes place. The corresponding contacts are on

Battery compartment cover 36 arranged for closing the receiving openings. Also shown is the magnet 32.1. This is in a recess on

Outer periphery of the support body unit 30 is arranged, wherein the incorporation takes place here in the region of the axial extent of the subunit 30.1 due to the larger available area. Compared with the embodiments illustrated in FIGS. 1 to 8, FIG. 9 illustrates an alternative embodiment for the passive closing of the

Feed container 1, in which a rear-part device 35 is provided. This is formed in the simplest case of a spring unit or a weight. However, other systems are also conceivable which are suitable for generating a restoring force when the actuating force is being built up.

FIG. 10 shows in a top view of the feed device 10 an advantageous arrangement of the device 9 for detecting at least one variable which at least indirectly characterizes a change of a magnetic field. This includes an antenna 39, which is here immediately in front of the

Feed container 4 is arranged, preferably at this. In contrast, FIG. 1 a, in a view from above onto the feed device 0, shows a particularly advantageous embodiment and arrangement of the device 9 for detecting at least one change in a magnetic field, at least indirectly

characterizing size. The feed container 4 is here arranged on a base plate 15 in the form of a foot plate 40 or forms with this a structural unit. The tread plate 40 is made for example of at least one of the following materials: silicone, various rubber compounds, plastic-rubber compounds, thermoplastic and thermosetting plastics. This can form an integral component with the receiving device 14 for a food bowl in a particularly preferred embodiment. FIG. 11b illustrates the feed device 10 in a sectional view AA from FIG. 11a. The figure 1 1 c shows the execution of the device 9 in a writable by the tread plate 40 level. The device 9 is at least partially integrated in the tread plate 40, preferably detachable. This comprises at least one sensor 41, which is arranged in the region of the feed container 4. In the illustrated case, the at least one sensor 41 is arranged below the opening 3, in particular of the feeding dish to be accommodated by the receiving device 14 or below the receiving device 14, as can be seen in FIG. 11b. These

Arrangement protects the sensor 41 and allows for separable training of receiving device 4 and tread plate 40 easy accessibility. To improve the operability that acts as an antenna 39

Sensor cable laid in the manner of a loop in the theoretical access area for the individual to be fed to the opening 3. Preferably, this is integrated in the tread plate 40, for example, vulcanized. According to a particularly advantageous development, the control device 8 is at least partially, preferably completely laid in or on the base plate 15, in particular tread plate 40. This can be formed together with the device 9, for example in the form of a sensor radio board. Thereby, the space enclosed by the housing 18 for the arrangement of

Power transmission device 7 can be used. The power supply of the control device 8 and / or the sensor 41 takes place here via a connection 42 for coupling to an external energy source, for example via at least one provided in an electrically separate metal socket connection 42. This serves for coupling with an energy source, for example via a

Charging cable, like that of a mobile phone. The power supply 43 to the device 9 and / or control device 8 may be integrated in the base plate 15 or realized outside of it. The embodiment according to FIGS. 11a to 11c has the advantage that it can be kept free of energy storage units compared to the embodiments described in the previous figures. The voltage supply of the sensor 41 is designated 43.

The embodiments according to the figures 1 to 1 1 represent particularly advantageous embodiments. However, the solution according to the invention is not limited to these with respect to the structural design. LIST OF REFERENCE NUMBERS

1 feed cover actuator

2 cover

3 opening

4 feed container

5 interior

6 drive

7 power transmission device

8 control device

9 device for detecting at least one of a change of a magnetic or electric or electromagnetic field at least indirectly descriptive size

10 feeding facility

11 adjusting device

12 environment

13 Setup, creating a field of predefined size

14 receiving device

15 base plate

16 edge area

17 energy supply unit

18 housing

19 carrier unit

20 means for fixing the position of the insert

21 holding groove

22 edge

23 molding

24 lids

24.1 coverage area

24.2 Coupling area

25 interior

26 housing cover 27 transmission gear

28 ring gear

29 pinions

30 Carrier unit

30.1, 30.2 subunit

31.1, 31.2 outer circumference

32 establishment

33 board

34 front side

35 return device

36 Battery compartment cover

37 position detection means

38 sensor

39 antenna

40 tread plate

41 sensor

42 connection

43 power supply

As swivel axle

Ai7 axis of the housing

VA, VB, VC

VD, VD1,

VD2, VE, VF process steps

X, Y, Z coordinates

XE input size

Y1 manipulated variable

Claims

claims

A food cover actuating device (1), comprising a drive (6) which can be activated via a control device (8) for actuating at least one cover (2) coupled to it at least indirectly

Release and / or closing of at least one feed and / or liquids releasing opening (3), characterized in that at least one with the control device (8) coupled means (9) for detecting at least one, an electric and / or magnetic and / or electromagnetic field at least indirectly descriptive size in a predefined environmental area (12) of the feed releasing opening (3) is provided, and the control device (8) is designed and / or programmed in a change of the electrical and / or magnetic and / or electromagnetic field at least indirectly descriptive size in this predefined environment area (12) of the feed-releasing opening (3) to drive the drive (6).

Food cover actuating device (1) according to claim 1, characterized in that the at least one means (9) for detecting at least one, an electric and / or magnetic and / or

Electromagnetic field at least indirectly descriptive size or more such devices (9) are arranged and designed such a change of the electrical and / or magnetic and / or

electromagnetic field to capture at least indirectly descriptive size directly.

Food cover actuating device (1) according to claim 1 or 2, characterized in that the at least one device (9) for

Detecting at least one, an electrical and / or magnetic and / or electromagnetic field at least indirectly descriptive size or more such devices (9) are arranged and designed such a change of the electrical and / or magnetic and / or electromagnetic field at least indirectly descriptive size in a predefined environmental area (12) of the feed releasing opening in the range of 0mm to 500mm, preferably 0mm to 300mm, particularly preferably 0mm to 100mm to capture.

A food cover operating device (1) according to any one of claims 1 to

3, characterized in that the control device (8) is designed and / or programmed to drive the drive (6) for releasing the opening and / or closing of the opening (3) through the cover (2).

A food cover operating device (1) according to any one of claims 1 to

4, characterized in that it comprises a rear part device (35) which is arranged and designed to build upon actuation of the drive (6) for releasing the opening (3) through the cover (2) a restoring force, which in the absence of the actuating force of the drive (6) resetting on the cover (2) acts.

A food cover operating device (1) according to claim 5, characterized in that the return device (35) is designed as one of the following devices:

- An energy storage unit, in particular spring unit or hydraulic or pneumatic storage unit

- at least one weight

- An arrangement of an iron core and a magnet or two magnets, the so on the drive (6) or the connection thereof with the cover (2) and a fixed reference area outside the

Futterabdeckungsbetätigungsvorrichtung (1) are arranged, a

Restoring force due to the attraction effect. 7. Futterabdeckungsbetätigungsvorrichtung (1) according to one of claims 1 to 6, characterized in that this rotatably mounted housing (18) and the cover (2) on the housing (18) attachable, in particular releasably attachable.

8. Futterabdeckungsbetätigungsvorrichtung (1) according to one of claims 1 to 7, characterized in that the drive (6) via a

Power transmission device (7) with the cover (2) is coupled, and drive (6) and power transmission device (7) in the rotatable housing (18) relative to the environment (12) are arranged tightly.

A liner cover operating device (1) according to claim 7 or 8,

characterized in that the control device (8) in the housing (18) is arranged.

10. Futterabdeckungsbetätigungsvorrichtung (1) according to claim 7 to 9, characterized in that the drive (6) is associated with a power supply unit (17) which is arranged completely in the housing (18).

A food cover operating device (1) according to any one of claims 7 to

10, characterized in that the housing (18) comprises a shaft (A) or Achszapfen mounted rotatable jacket and the drive (6) is mounted at least indirectly in the housing (18) on the axis (A) or axle.

12. Futterabdeckungsbetätigungsvorrichtung (1) according to any one of claims 7 to

11, characterized in that the housing (18) comprises a shaft (A) or Achszapfen mounted rotatable jacket, the drive (6) is floating in the housing (18) and via a device (32) for holding the drive ( 6) is fixed in its spatial position within the housing (18).

A food cover operating device (1) according to claim 12, characterized in that said means (32) for holding a Iron core / magnet assembly or a magnet / magnet assembly comprises, wherein one of the components stationary on the drive or the floating bearing and the other fixed outside the housing

are arranged opposite each other and designed to exert an at least the holding force corresponding attraction force each other.

14. Futterabdeckungsbetätigungsvorrichtung (1) according to claim 12 or 13, characterized in that the drive (6) and the control device (8) eccentrically about the theoretical axis of rotation of the housing (8) in the region of an axial plane or with a slight offset in the axial direction

to each other on a floating in the housing (18) mounted support unit (19) are arranged or mounted.

15. Futterabdeckungsbetätigungsvorrichtung (1) according to any one of claims 7 to 14, characterized in that the power transmission device (7) comprises a transmission (27) whose input rotatably coupled to the drive (6) and the output rotatably coupled to the housing (18) , in particular, is connected, wherein the input of the transmission (27) of a rotatably coupled to the drive (6) pinion (29) and the output of a rotatably connected to the housing (18), in particular the jacket of the housing (18) or a with this rotatably connected housing cover (26) connected ring gear (28) is formed.

16. Futterabdeckungsbetätigungsvorrichtung (1) according to any one of claims 7 to 10, characterized in that the housing (18) mounted about an axis (A) or Achszapfen rotatable jacket and the drive (6) is mounted on the housing (18) and the power transmission device (7) comprises a pinion rotatably connected to the drive (6) and a ring gear mounted fixedly on the axle (A) or the axle journal.

17. Futterabdeckungsbetätigungsvorrichtung (1) according to one of claims 1 to 16, characterized in that means for detecting the functional position the cover (2), in particular position detection means (37) are provided.

18. Futterabdeckungsbetätigungsvorrichtung (1) according to one of claims 1 to 17, characterized in that the means (9) for detecting at least one, an electrical and / or magnetic and / or electromagnetic field at least indirectly descriptive size comprises at least one antenna, the order at least a portion of the feed container (4) is guided in the housing (18) or completely

is arranged outside the housing (18) and coupled to the control device (8).

Lining cover actuating device (1) according to one of claims 1 to 18, characterized in that it is adapted to the position of the opening to be released (3), in particular adjustable in the horizontal and / or vertical direction.

Feeding device (10), comprising a feed container (4) with a cavity accessible via an opening (3) to be released by means of a cover (2) for receiving and removing feed and / or

Liquid, wherein the cover (2) with a

Food cover operating device (1) according to one of claims 1 to 19 is connected.

Feeding device (10) according to claim 20, characterized in that the cover (2) in the functional position "closed" closes the opening (3) under sealing contact with the inner periphery of the opening or the edge region forming it.

Feeding device (10) according to claim 20 or 21, characterized in that the feed container is designed at least in two parts, comprising a receiving device and a usable in this and replaceable, the cavity for receiving feed forming bowl.

23. Feeding device (10) according to any one of claims 20 to 22, characterized

characterized in that the receiving device (14) with a base plate (15) for arranging the Futterabdeckungsbetätigungsvorrichtung (1) as a structural unit formed from at least one of the following materials: silicone, various rubber compounds, plastic-rubber compounds, thermoplastic and / or thermosetting plastics ,

24. A method for operating a feed device (10) according to one of claims 20 to 23, wherein at least one, an electrical and / or magnetic and / or electromagnetic field at least indirectly descriptive variable is continuously detected, wherein over a predefined period of time unaltered detected variables define a ground state; upon detection of a deviation from the ground state the

Food cover operating device (1) for applying the

Actuating force for releasing the opening (3) is actuated and upon re-detection of the ground state, the actuating force is released or the Futterabdeckungsbetätigungsvorrichtung (1) for applying the actuating force to close the opening (3) is driven.

25. The method according to claim 24, characterized in that the

Basic state defining quantities are continuously monitored, the values determined at constant over a predefined period of time in the range of 5s to 50s, preferably 5s to 20s define the ground state.

26. The method according to claim 24 or 25, characterized in that the plausibility check an additional identification of the authorization to trigger the operation to open the cover (2) is used by means of one of the following systems:

- an electronically readable chip - a barcode system

- an RFI D system

and only upon detection of the change of the field and the

Authorization information, the control device (8) drives the drive (6) for releasing the opening (3).

27. A method for operating a feed device (10) according to one of claims 20 to 23, wherein the control device in response to fixed feeding times the drive (6) controls.