Patent Description:
A grill folded into a suitcase-like shape, which allows for its convenient transport and storage, is known from the Spanish description of the utility model No. <CIT>. The grill has a cuboidal frame resembling the letter "H" when viewed from the front, to which a tray is attached in the middle part intended for placing coal or firewood on it. At the same time, this tray is integrated with a system of chains to adjust its height and has many holes that improve aeration and combustion of coal or firewood. The grill is folded in such a way that the upper parts of the frame and the lower parts of the frame (legs) are folded through hinge connections towards the middle part of the frame (and the tray), resulting in a cuboid shape resembling a suitcase.

A grilling stove is also known from the US Patent Application No. <CIT>, which has a fireplace chamber covered by a special removable cover, a foldable chimney and legs. A removable water tank is mounted under the fireplace chamber, which allows you to pack the device into the trunk of the car while it is still hot (without damaging the trunk lining), and the tank also allows you to wash the dishes after preparing a meal. Folding the grill consists in disassembling it into its parts and placing it in its fireplace chamber resembling a suitcase.

A portable grill equipped with wheels for transporting it is also known from the US Patent Application No. <CIT>. This grill has a typical structure, whereas additionally has side plates, connected to the fireplace frame, on which various items used during grilling are placed. Raising the side plates allows the entire structure to be folded into a suitcase on wheels, whereas in order to fold the grill into this form, it must first be disassembled into its parts.

A portable grill is known from the US Patent Application No. <CIT>, the fireplace chamber of which has four foldable side panels, each located on the side edge of the chamber. These panels can be unfolded outwards, so that they serve as shelves/table for various items used during grilling. In turn, after folding the side panels and folding the grill legs by their articulation towards the lower base of the fireplace, this grill is ready for transport in the form of a suitcase on wheels.

A foldable grill is also known from the Chinese Utility Model Description No. <CIT>, the rectangular fireplace of which is pivotally connected to two symmetrically arranged load-bearing plates, which are used to support the unfolded grill, constituting its legs. In turn, the upper parts of this fireplace are connected by hinges to two rotating plates (which, when viewed from the front, resemble the letter "L"), which are shelves for accessories or food during use of this grill. In order to fold the grill, it is enough to fold the said load-bearing plates towards the bottom of the fireplace, and fold the rotating plates towards the opening of the fireplace. When folded, the grill resembles a rectangular suitcase.

From the Spanish Utility Model Description No. <CIT>a grill is also known, consisting of a body constituting its fireplace container, a two-piece grate equipped with a stand placed on side supporting flat bars, which are placed inside the body; supports (legs) pivotally attached to the lower part of the body and a two-piece cover pivotally attached to the side parts of the body. The grill can be folded into a suitcase-like form by rotating the side supporting flat bars towards the upper surface of the bottom of the body and the supports (legs) towards the lower surface of the body. A further grill is known from document <CIT>.

The purpose of the present invention is to develop a new, hitherto unknown, simple and compact structure of a folding grill, which folds into a rectangular shape, resembling a transport suitcase without the need to use additional tools during its unfolding and folding.

The term "hinge connection" used in the content of the patent description and patent claims should be treated as a connection between two parts that allows their rotational movement relative to each other and structurally it can be, for example, a connection of these parts with each other by a pin or a shaft that passes through the sleeves of these parts and/or their openings, while the "swing connection" should be treated as a connection between two parts that allows their rotational movement together with an additional linear movement relative to each other and structurally it can be, for example, a profiled connection, such as equipping one part with an arched hole along which moves a protrusion or profile element of the second part.

The folding grill according to the invention is according to claim <NUM>.

It is advantageous when the side walls of the bowl are connected to the side walls of the fireplace by means of cylindrical pins placed in the lugs of the upper corners of the bowl and in sleeves welded to the lower edges of the side walls of the fireplace, while the rear wall of the bowl is connected to the lower part of the rear wall of the fireplace by means of a cylindrical pin situated in the sleeves of the rear wall of the bowl and the sleeves of this lower part. In turn, both parts of the rear wall of the fireplace are connected with each other by means of a cylindrical pin located in the sleeves of the lower and upper part of this rear wall, while the upper part of the rear wall of the fireplace is connected to the cover by means of a cylindrical pin situated in the sleeves of this upper part and the sleeves of the cover.

It is also advantageous when the front and rear walls of the fireplace bowl are inseparably connected to arched connectors made with blind cavities for profiled elements, inseparably connected to the inner surface of the front and rear walls of both legs, and when the upper part of the rear wall in its vertical plane of symmetry has a profiled element with a hole coaxially situated with respect to the hole of the lower part of the rear wall of the fireplace, whereas a stabilizing screw with a flat handle is inserted in both of these holes.

In turn, to the inner surface of the rear and front walls of both legs, diagonally arranged arms of flat rectangular supports are attached by means of pins, whereas the left support has a rectangular offset with a round through hole made at its longer edge and a rectangular hole situated behind it, and the right support is ended with a rectangular cavity, the arms of which are bent upwards, and behind it a circular through hole is made, whereas in the coaxially situated to each other circular through holes a locking screw is placed, ending with a handle at the top. In addition, behind the rectangular through hole of the left support another circular through hole is made, and behind the circular through hole of the right support another circular through hole is also made.

In a preferred embodiment the side walls of the fireplace and the side walls of the bowl are connected to the shelf frames by means of a cylindrical pin situated in the lugs of the upper corners of the bowl, in the sleeves of the lower edges of the side walls of the fireplace and in the through holes of the horizontal elements of the shelf frame, whereas the horizontal elements of the shelf frame are situated in a cavity made between the two sleeves of the side walls of the fireplace, while the upper surface of the horizontal elements of the shelf frame, from the inner side of the fireplace, is inseparably connected to the plate adjacent to the inner surface of its side wall, and the lower parts of its rear wall have flat offsets adjacent to this plate.

The side walls of both legs in the upper part have coaxially situated to each other through holes, above which a magnet is glued to the inner surface of these walls, whereas the wheels are attached to the lower part of the side wall of the right leg, and at the upper corners of the side wall of the left leg two rectangular through recesses for these wheels are made, and between these recesses a flat slotted rectangular hole for the handle of the screw locking the supports is made, and in addition, a hook of the catch is attached to the lower middle part of the inner surface of this side wall, the catch being attached to the middle outer part of the right side wall of the bowl, and a telescopic handle with a grip is attached to the outer surface of the side wall of the left leg.

In turn, in the front wall of the cover, in its middle part, a blind recess is made with through holes for the guides of the handle equipped with a catch, while the middle outer part of the front wall of the bowl is equipped with a protrusion adapted to the shape of the catch of the handle of the cover, and in addition the middle parts of both side walls of this bowl have flat vertical offsets.

It is advantageous when the cover handle is equipped with a LED with a battery and a switch, and two profiled elements are inseparably attached to the upper inner edge of the rear wall of this cover, and hooks are attached to the corners of the inner surface of the upper wall of this cover.

In another preferred embodiment, the front wall of the bowl in its middle part is made with a rectangular blind recess with holes for the knobs of the gas distributor, which is connected by a gas hose with a valve fixed in the opening of the bottom of the bowl, and by further gas hoses with burners situated in this bowl, above which aromatizers are seated.

The structure of the grill according to the invention allows it to be folded and unfolded into a cuboid shape resembling a transport suitcase without the need to use additional tools for this activity, whereas the swing connection of the bowl of the grill fireplace with legs and the hinge connection of two parts (upper and lower) of the rear wall of the bowl with the rear wall and the side walls, as well as of the rear wall with the cover, and also the use of screws with a handle to stabilize the position of the grill leg supports and two parts of the rear wall of the grill fireplace makes its folding and unfolding easy, quick and intuitive. In addition, the grill folded into a form resembling a transport suitcase reduces the amount of space needed for its storage.

Thanks to equipping the right leg of the grill with wheels, and the left leg with a telescopic handle with a grip, it is possible to easily move the grill after its folding. In turn, the supports with which these legs are equipped strengthen and stiffen the grill structure after its unfolding, and thanks to the side shelves of the grill connected by hinges to the fireplace bowl it is easier to prepare meals. The supports and shelves can be used as a stand for typical tools or products used during grilling (for example paper towels, forks, plates).

In turn, the magnets of both legs of the grill, the hooks of the left leg and of the cover, the catches of the bowl and of the handle of the cover make it easier to fold the grill and stabilize its structure after folding the grill.

The subject of the invention in two exemplary embodiments is shown in <FIG>, in which <FIG> - show the first embodiment of the folding grill, the fireplace bowl of which is adapted to thermal processing of food by means of solid fuel such as coal or firewood, <FIG> show the second embodiment of the folded grill, the fireplace bowl of which is adapted to thermal processing of food by means of a gaseous fuel such as natural gas, and <FIG> - show the method of folding the grill made according to its first embodiment, whereas <FIG> - shows the first embodiment of this grill in a perspective view from the right side, from the front and from above, <FIG> - the same grill in a perspective view from the left side, from the back and from above, <FIG> - the same grill in a perspective view from the front and from above, <FIG> - the same grill in front view, <FIG> - the same grill in a horizontal cross section along the line A-A, <FIG> - enlarged detail B of both leg supports of this grill in a perspective view from the left side, from the back and from above, <FIG> - enlarged detail C of the hinge connection of the fireplace bowl of this grill with its left shelf and side wall, in a perspective view from the right side, from the front and from above, <FIG> - enlarged detail D of the hinge connection of the fireplace bowl of this grill with its right shelf and side wall, in a perspective view from the left side, from the back and from above, <FIG> - an enlarged vertical cross section along the line E-E showing the hinge connection of the upper and lower part of the rear wall of this grill together with the stabilizing screw, <FIG> - the fireplace cover of this grill in a perspective view from the right side, from the front and from the bottom, <FIG> - the same grill in the unfolded state of its components in a perspective view from the left side, from the front and from above, <FIG> - shows the second embodiment of this grill in a perspective view from the right side, from the front and from above, <FIG> - the bowl of this grill, the left part of which is not equipped with aromatizers, in a perspective view from the right side, from the back and from above, <FIG> - the same bowl in a perspective view from the left side, from the front and from the bottom, <FIG> - the first stage of folding the grill according to the first embodiment into a form resembling a suitcase, which is after attaching the grate to its cover and during folding its rear wall, in a perspective view from the left side, from the front and from above, <FIG> - the second stage of folding this grill after folding its rear wall and right side wall with a shelf and the left support of the left leg, and during the folding of the left shelf with the left side wall and the right support of the right leg, in a perspective view from the left side, from the front and from above, <FIG> - the third stage of folding this grill after folding its walls, shelves and the right leg, and during folding its left leg and the cover with grate, in a perspective view from the left side, from the front and from above, and <FIG> - the same grill after its folding into a form resembling a transport suitcase, in a perspective view from the right side, from the front and from above.

The invention should not be limited to the embodiments described below, as it may also be embodied in other forms. The embodiments are presented so that the disclosure of the invention is full and complete and fully conveys the scope of the invention to those skilled in the art.

Summing up, the following embodiments do not exhaust all possible solutions falling within the scope of the invention.

The folding grill according to the first embodiment, shown in <FIG>, consists of a rectangular fireplace <NUM> open from the front, which is covered from above with a sheet metal cuboidal cover <NUM> connected to it by hinges, whereas the lower part of the fireplace <NUM> being connected to swinging legs made of sheet metal, the left leg <NUM> and the right leg <NUM>', having the shape of the letter "C" in cross-section, the front and rear narrower walls of which are oriented inwardly and are perpendicularly situated to the side walls of the legs <NUM> and <NUM>'.

To the outer surface of the side wall of the left leg <NUM>, in its lower middle part, a downwardly oriented telescopic two-armed metal handle <NUM> is welded, ended with a horizontally situated grip <NUM>, and in the upper part of this wall there is a circular through hole <NUM>, and at its upper corners two rectangular through recesses <NUM> are made between which a flat slotted rectangular hole <NUM>' is made. In turn, a metal hook <NUM> is welded to the lower middle part of the inner surface of this side wall, and a rectangular magnet <NUM> is glued above the through hole <NUM> to the upper middle part of this wall.

The outer surface of the side wall of the right leg <NUM>' of the grill in its lower part at its corners is made with two rectangular recesses <NUM> in which wheels <NUM> are mounted, while the middle upper part of this wall is made with a circular through hole <NUM>' coaxially situated to the through hole <NUM> of the side wall of the leg <NUM>, above which a rectangular magnet <NUM>' is glued to the upper front part of the inner surface of this side wall, and the front and rear walls of the leg <NUM>' are ended with an arched recess <NUM>.

To the inner surface of the rear and front walls of both legs <NUM> and <NUM>', the obliquely situated arms <NUM> and <NUM>' of the flat sheet metal rectangular left support <NUM> and the right support <NUM>' are attached by means of pins not shown in the drawing, whereas the left support <NUM> has a rectangular offset <NUM> with a circular through hole <NUM> made on its long edge and a rectangular hole <NUM>' situated behind it, behind which a round through hole <NUM> is made with a diameter smaller than the through hole <NUM> of the side wall of the left leg <NUM>. In turn, the right support <NUM>' of the right leg <NUM>' is ended with a rectangular cavity <NUM>, behind which a circular through hole <NUM>" is made, and behind it there is another circular through hole <NUM>' with a diameter smaller than the through hole <NUM>' of the side wall of the right leg <NUM>', whereas the front ends of the arms <NUM> of the rectangular cavity <NUM> are slightly bent upwards so that in the unfolded position of the supports <NUM> and <NUM>' the rectangular offset <NUM> of the left support <NUM> is situated in the cavity <NUM> of the right support <NUM>' and it is partially supported on the right support <NUM>', and the ends of the arms <NUM> of this support partially overlap the support <NUM>, and in the holes <NUM> and <NUM>" coaxially situated to each other a locking screw <NUM> is screwed, ended from the top with a flat handle, which additionally stabilizes the supports <NUM> and <NUM>' in a horizontal position.

The upper extreme ends of the rear and front walls of both legs <NUM> and <NUM>' are swingingly connected by means of sheet metal arched connectors <NUM> welded at the side edges of the front and rear walls of the cuboid sheet metal bowl <NUM> of the fireplace <NUM> for placing coal or firewood in it, whereas each of the connectors <NUM> has a blind arched cavity <NUM> for a profiled element <NUM> moving along it, welded to the inner surface of the front and rear wall of the leg <NUM> and <NUM>', respectively.

A sheet metal protrusion <NUM> is welded to the upper middle outer part of the front wall of the bowl <NUM> of the fireplace <NUM>, and a catch <NUM> is attached to the lower middle outer part of its right side wall by means of rivets, not shown in the drawings, and from the upper edges of both side walls of the bowl <NUM> vertical sheet metal flat offsets <NUM> protrude from their middle parts, and all upper corners of the bowl <NUM> are ended with lugs <NUM> having a profile of the inverted shape of the letter "U", for cylindrical pins <NUM> connecting the side walls of the bowl <NUM> with the sheet metal rectangular side walls <NUM> of the fireplace <NUM> and the sheet metal frames <NUM> of the side shelves <NUM> of this grill, while four sleeves <NUM> are welded to the inner surface of the rear wall of the bowl <NUM>, for a cylindrical pin <NUM> connecting this wall to the lower part <NUM> of the two-piece rear wall <NUM> of the fireplace <NUM>.

Each frame <NUM> of the shelf <NUM> consists of two horizontal elements <NUM> (rear and front) ended with a through hole, not shown in the drawing, through which a pin <NUM> passes and which have, on the upper surface from the inner side of the fireplace <NUM>, a matching flat plate <NUM> adjoining the inner surface of the side wall <NUM> of the fireplace <NUM>, and from the outer side (outside the fireplace <NUM>) are connected to the upper end of the vertical elements <NUM>, the lower ends of which are connected to the profile <NUM> having the shape of the letter "C" in the top view. In addition, wooden slats <NUM> are screwed to the upper surface of the profile <NUM> of each frame <NUM>, whereas a sheet metal hook <NUM> is screwed to the front end of the middle slat <NUM>.

In turn, to the lower edges of the side walls <NUM> of the fireplace <NUM>, in both their corners, two sleeves <NUM> are welded for the pin <NUM>, between which a rectangular cavity <NUM> is made, in which a horizontal element <NUM> of the frame <NUM> of the shelf <NUM> is placed, while on the inner surface of the side walls <NUM>, in their front part, upwardly situated, equidistant to each other, horizontal arched protrusions <NUM> are situated, on which a typical grill grate <NUM> is seated, while in the rear part both walls <NUM> are made with a vertical slot <NUM> passing through the rear sleeve <NUM>, and a rectangular plate <NUM> is welded to the outer upper front part of the walls <NUM>, on which the cover <NUM> is seated.

The rear wall <NUM> of the fireplace <NUM> consists of a sheet metal rectangular lower part <NUM> and a sheet metal rectangular upper part <NUM> connected to it by hinges with two vertically located and equidistant flat profiled recesses <NUM> made on their both sides, into which the U-shaped catch elements <NUM> are inserted of the back part of the grill grate <NUM>. Three identical sleeves <NUM> are welded to the lower edge of the lower part <NUM> of the rear wall <NUM>, the spacing of which matches the spacing of the sleeves <NUM> of the rear wall of the bowl <NUM> between which they are placed and through which the pin <NUM> passes forming a hinge connection of the bowl <NUM> with the lower part <NUM> of the rear wall <NUM> of the fireplace <NUM>, while the upper edge of the lower part <NUM> of the rear wall <NUM> also ends with three sleeves <NUM> located at equal distances from each other, between which two sleeves <NUM> of the lower edge of the upper part <NUM> of the rear wall <NUM> are placed, whereas in the sleeves <NUM> and <NUM> a cylindrical pin <NUM> is inserted, also forming a hinge connection of the two parts in this way. In addition, the side edges of the lower part <NUM> of the rear wall <NUM> have flat offsets <NUM>' which adjoin to the plate <NUM> of the rear horizontal element <NUM> of the frame <NUM> of the shelf <NUM>, stabilizing the structure of the fireplace <NUM>, while the lower edge of the upper part <NUM> of the rear wall <NUM> between its two sleeves <NUM> in a vertical plane of the symmetry of this wall is provided with a "V"-shaped sheet metal element <NUM> with a hole <NUM> situated coaxially to a hole <NUM> made in the lower part <NUM> of the rear wall <NUM>, whereas in the holes <NUM> and <NUM> a screw <NUM> is screwed ended from the top with a flat handle <NUM>', stabilizing vertical position of both parts of the rear wall <NUM>.

In the upper side corners of the front surface of the upper part <NUM> of the rear wall <NUM>, two cylindrical protrusions <NUM> in the shape of the letter "L" are welded, ended with a round plate <NUM> with larger diameter, which are located in the vertical slot <NUM> of the side walls <NUM>. In turn, to the upper edge of the upper part <NUM> of the rear wall <NUM>, three sleeves <NUM> are welded, equidistantly spaced from each other, which are placed between four sleeves <NUM> welded to the rear wall of the cover <NUM>, whereas through the sleeves <NUM> and <NUM> a cylindrical pin <NUM> passes, connecting by hinges the upper part <NUM> of the rear wall <NUM> to the cover <NUM>.

Two rectangular elements <NUM> are welded to the upper inner edge of the rear wall of the cover <NUM>, for the grate <NUM> attached to the hooks <NUM> welded at the corners of the inner surface of the upper wall of the cover <NUM> (in the folded position of the grill). In turn, the front wall of the cover <NUM> in its middle part is bent inwards, creating a rectangular blind recess <NUM> with a rectangular cavity <NUM> made in it in its lower part, whereas in the upper part of this recess <NUM> two elongated through holes <NUM> are made, in which horizontal metal guides <NUM> of the handle <NUM> with a catch <NUM> are placed, in which a sheet metal flat protrusion <NUM> of the bowl <NUM> is placed (in the folded position of the grill).

The grill according to the second embodiment, shown in <FIG>, adapted for thermal processing of food by means of gaseous fuel, has a structure similar to the grill according to the first embodiment shown in <FIG>, and the difference between both of these embodiments is that in the latter embodiment, the front wall of the bowl <NUM> in its middle part has a rectangular blind recess <NUM> with two holes <NUM> in which knobs <NUM> connected to the gas distributor <NUM> are seated, the central part of which is connected by a gas hose <NUM> with a valve <NUM> fixed in a through hole <NUM> made in the central part of the bottom of the bowl <NUM>, while both side parts of this distributor <NUM> are connected by gas hoses <NUM> with one end of typical elongated grill burners <NUM>, the other ends of which are welded to the side walls of the bowl <NUM> and above which there are typical sheet metal aromatizers <NUM> of the grill, mounted on cylindrical protrusions <NUM> welded to the front and rear walls of the bowl <NUM>.

It will be appreciated that the foldable grill bowl <NUM> may have one, four, five or more knobs <NUM> connected to the distributor <NUM>, which is sequentially connected by gas hoses <NUM> to one, four or five burners <NUM>.

In another embodiment of the grill according to the invention not shown in the figure, the handle <NUM> was equipped with a LED having a battery and a switch, which, when activated, makes visual control of the thermally processed food easier.

In order to fold the grill into a form resembling a transport suitcase, the cover <NUM> is tilted backwards, then the grate <NUM> is removed from the bowl <NUM> and placed on the rectangular elements <NUM> of the rear wall of the cover <NUM> and on the hooks <NUM> of the upper wall of this cover. Then, from the holes <NUM> and <NUM> of the rear wall <NUM> of the fireplace <NUM>, the screw <NUM> is removed by means of its handle <NUM>', which enables folding of this rear wall <NUM> by tilting its upper part <NUM> and lower part <NUM> so that their hinge connection is moved towards the inside of the bowl <NUM>, and the protrusions <NUM> of the upper part <NUM> move downwards along the slot <NUM> of the side walls <NUM> (as shown in <FIG>). After folding the rear wall <NUM> and placing it over the inside of the bowl <NUM> in a position parallel to the bottom of the bowl, the side shelves <NUM> of the grill are tilted inside the bowl <NUM> so that they are also parallel to the bottom of the bowl <NUM>, whereas during the tilting of the shelves <NUM> their horizontal elements <NUM> and vertical elements <NUM> pass through the cavities <NUM> of the side walls <NUM>, and the wooden slats <NUM> pass over the offsets <NUM> of the bowl <NUM> so that the slats <NUM> adhere to the outer surfaces of the walls <NUM>, after which the shelves <NUM> together with the wall <NUM> lean further to their position parallel to the bottom of the bowl <NUM> (as shown in <FIG>), then the cover <NUM> is closed, and the guides <NUM> of the handle <NUM> are inserted through the through holes <NUM> to the inside of this cover, so that the handle <NUM> is matched with the front wall of the cover <NUM>. Such position of the bowl <NUM>, covered from above by the cover <NUM>, is maintained as a result of placing the flat protrusion <NUM> in the catch <NUM> of the handle <NUM> of the cover <NUM>. The grill folded to this form is placed on the rear wall of the bowl <NUM> and the rear wall of the cover <NUM>, and the locking screw <NUM> is removed from the holes <NUM> and <NUM>" by means of its handle and the supports <NUM> and <NUM>' are folded towards the inner side surfaces of the legs <NUM> and <NUM>' with magnets <NUM> and <NUM>', by pivoting these supports on their arms <NUM> and <NUM>', whereas at time of folding the left support <NUM>, the handle of the screw <NUM> is seated in the hole <NUM>' of the left leg <NUM>. Then, the right leg <NUM>' is folded in rotation by sliding its profiled elements <NUM> along the blind arched cavities <NUM> of the arched connectors <NUM> of the bowl <NUM> towards the bottom of this bowl, and then the left leg <NUM> is similarly folded so that the wheels <NUM> of the right leg <NUM>' are situated in rectangular through recesses <NUM> of the upper surface of the side wall of the left leg <NUM> (as shown in <FIG>). The position of these legs is locked by the hook <NUM> seated on the catch <NUM>. The grill folded in this way is transported by the user on wheels <NUM>, by pulling the grip <NUM> from the lower part of the left leg <NUM> (as shown in <FIG>).

Claim 1:
A folding grill equipped with two essentially C-shaped left and right legs connected to a fireplace consisting of a bowl sheltered by three walls: rear wall and two side walls, on which a cover rests, and a grate, wherein the front and rear walls of the bowl (<NUM>) of the fireplace (<NUM>) are swingingly connected to the upper ends of the front and rear walls of the left leg (<NUM>) and right leg (<NUM>'), characterized in that the rear wall (<NUM>) of the fireplace (<NUM>), consisting of a lower (<NUM>) and an upper (<NUM>) parts connected to each other by hinges, and the side walls (<NUM>) of the fireplace (<NUM>) are connected by hinges to the side walls and the rear wall of the bowl (<NUM>), whereas the side walls (<NUM>) of the fireplace (<NUM>) are detachably connected to the rear wall (<NUM>) of the fireplace (<NUM>) by means of protrusions (<NUM>) inseparably connected to the upper part (<NUM>) of the rear wall (<NUM>) of the fireplace (<NUM>), which are located in the vertical slots (<NUM>) of the side walls (<NUM>) of the fireplace (<NUM>), and in addition the upper part (<NUM>) of the rear wall (<NUM>) of the fireplace (<NUM>) is connected by hinges to the cover (<NUM>).