JPS63318426A - Outdoor cooking unit - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates generally to outdoor cooking units, and more particularly to outdoor cooking units that can be folded into a compact collapsed configuration for ease of transportation and storage.

■ U.S. Patent Application No. 4,489,706 to llait, dated 12J125/984, ``Multi-purpose Fuel-Efficient Portable Stove/Heater''
Fnel Efficient Portable 5
Love/l1eater) J discloses a cooking unit which is particularly adapted for use outdoors as an environmentally enclosed heating and cooking system.

Haight U.S. Patent No. 4.50, dated April 2, 1985.
No. 8,094 "Portable cooking unit"
Cook-ing IJnit) J discloses a cooking unit comprising a truncated pyramidal oven and a support member of similar shape.

The furnace and branch members are arranged in a nested relationship.

Accessories such as grills and cover parts can be arranged in several ways to provide different cooking mechanisms and to wrap all the parts in a compact form for storage and transportation. .

Keeping the interior surfaces of conventional outdoor cooking units clean is a time-consuming chore. In some cases, the inner walls of such cooking units are prone to oxidation. It is widely known that fats and oils tend to accumulate on the inner walls of cooking units used for barbecues. Grease buildup, and also ash buildup, has posed a problem for users of conventional outdoor cooking units.

It is clear that environmentalists do not like the idea of dumping ash and other foreign material into the wilderness.

One object of the present invention is to provide an outdoor cooking unit in which an inverted pyramidal furnace is supported in a nesting relationship on a truncated pyramidal support member. A foldable, disposable, non-combustible liner is disposed along the interior surface of the furnace and is contoured to match the interior configuration of the furnace.

In another embodiment of the invention, the outdoor cooking unit is supported in a nested relationship on a truncated pyramid shaped support member.
It has an inverted truncated pyramid-shaped furnace made of foldable, disposable, non-combustible board material.

In yet another embodiment of the present invention, the outdoor cooking unit comprises an inverted structure made of foldable disposable non-combustible boards supported in nesting relation on a truncated pyramid-shaped support member made of foldable disposable non-combustible boards. There are truncated pyramid shaped furnaces.

According to the invention, a bendable non-combustible board is folded to form a truncated pyramid-shaped liner.

The bendable noncombustible board can also be folded to form a truncated pyramidal furnace, a truncated pyramidal support member, and a hood disposed over the truncated pyramidal furnace.
to form.

Thanks to the present invention, outdoor cooking units can be kept clean by containing equipment and ash for easy removal.

This outdoor cooking unit can be kept relatively non-oxidizing without losing its bright finish. Ash can be removed from campsites, beaches, and bathos in a safe and sanitary manner.

Cooking unit (10) illustrated in FIGS. 1 and 2
is a quadrilateral form (T base (pedestal) (15) 6
Ding. The base (L5) includes an upright flange (16) and a flexible upright catch (17) along its periphery. In an exemplary embodiment, the base or support (15) consists of a suitable metal.

In the peripheral flange (16) of the base (15), a collapsible support member or support collar (20) is arranged, which has a truncated pyramid shape in the unfolded state.

In an exemplary embodiment, the support member, i.e. the support collar (
20) is made of a suitable metal. The support part H (20) has side plates (21-24). Each side plate (21-24) has a trapezoidal shape. Adjacent non-parallel edges of the side plates (21-24) are joined by suitable hinges (3-34). Side plate (2
2) and the side plate (24) are respectively adjacent plate portions (22a,
22b) and the opposing side plates formed by the adjacent plate portions (24a, 24b).

The plate portions (22a, 22b) of the side plate (22) are joined at their adjacent edges by suitable hinges (40), and the plate portions (24a, 24b) of the side plate (24) are joined at their respective edges by suitable hinges (40). 41). Hinge (40
The adjacent edges of the plate portions (22a, 22b) joined by ) are at right angles to the parallel edges of the side plates (22) and approximately midway between the non-parallel edges. Similarly, the adjacent edges of the filter plate portions (24a, 24'b) connected by the hinge (41) are at right angles to the parallel edges of the side plates (24).

To fold the support member or support collar (20) into a compact condition, the side plates (22, 24) are folded inwardly around their respective hinges (40, 41) and the hinges (40, 41) are folded together. Adjacent to the side plate (22, 2
4) is arranged between the opposing side plates (21, 23). Thus, the support member (20) can be folded into a flat, compact state or into an unfolded truncated pyramid configuration (FIGS. 2 and 5).

In the deployed state, the support member (20) is hollow and has a large lower open end and a smaller upper deployed end. Support member (20
) have openings (4) for air circulation in the side plates (21, 23).
2) is formed and assists in the combustion of the fuel. Support member (2
A furnace or cooking device (50) is disposed above (0), which has an inverted truncated pyramid shape in the unfolded state (
Figures 1 and 2). In the exemplary embodiment, the stove or cooker (50) is made of stainless steel. The furnace (50) includes side plates (51-54).

Each side plate (51-54) is trapezoidal. Side plate (51-54
) adjacent non-parallel edges are joined by suitable hinges (61-64). The side plates (51, 53) each have adjacent plate portions (51a, 51b) and plate portions (53a,
53b).

The plate portions (51a, 51b) of the side plate (51) are joined at their adjacent edges by suitable hinges (55), and the plate portions (53a, 53b) of the side plate (53) are connected at their adjacent edges by suitable hinges (55). They are joined by a hinge (56). Plate portions (51a, 51b) connected by hinges (55)
The adjacent edges of are perpendicular to the parallel edges of the side plate (53) and approximately midway between the non-parallel edges.

To fold the stove or cooker (50) into a compact state, the side plates (51, 53) are folded inward around their respective hinges (55, 56) so that the side plates (51, 53) The hinges (55, 56) are placed adjacent to each other so that they are disposed between opposing side plates (52, 54). Therefore, the furnace, or cooking device (50)
can assume a folded, flattened and compact state or an unfolded, inverted truncated pyramidal form (Figures 2 and 5).

In the unfolded state, the stove or cooker (50) is hollow and has a small lower open end and a larger upper open end.

The small lower open end of the furnace (50) is connected to the support member (20)
incorporated into the small upper open end of the.

The furnace (50) is thus nested on top of the support N material (20).

The top of the support member (20) extends upwardly and outside the furnace (50) to form a quadrilateral support for the furnace (50). Along the inner wall of the furnace (50),
A grate (70) is fitted spaced from the narrow lower end of 0). The grate (70) is made of a suitable hard material, such as stainless steel. Containers of fuel, such as gelatinized alcohol, or Nispich (ESBI
T) Solid fuel tablets like fuel tablets or pond fuel on the grate (70)? , : if! ! Ru. Furnace (50)
A grill (75) is placed on the large open upper end of the grill.

In the preferred embodiment, the grill (75) is constructed from a suitable hard material such as stainless steel.

To disassemble the cooking unit (10) (FIGS. 4 and 5) to form a compactly folded unit for ease of storage and transportation, remove the cover (78).
, the net (75), the grate (70), the grate (5o), and the support member (20) are removed in this order. Support member (20
) and the furnace (50) are each folded into a compact, flattened configuration (Figure 5). A folded oven (50) and a folded support member (20) are each disposed directly on the base (15) between its upright flanges (16). Next, the grate (70) is mounted on the base (
15) between the upright flanges (I6). The grill (70) can also be placed on the base (15) and
It is also possible to arrange the bifurcated furnace (50) and the support member (20) directly on the grate (70) between the upright flanges (16) of the base (15).

The cover (78) is placed over the base (15) and placed in the container closed position. The cover (78) is formed with a depending flange (79) along its periphery. The flantz (79) of the cover (78) fits into the upright flantz (16) of the base (15) and together form a container. The flexible upright catch (17) is formed with a tongue (68) for gripping the adjacent edge of the cover (78). base(
An overhang (69) is formed on the opposite edge of the cover (78), and the opposite edge of the cover (78) fits under the overhang (69).

Therefore, attach one end of the cover to the base (15) at the base (69).
Place the retractable catch (I7) away from the cover (7g) and attach the opposite end of the cover to the underside of the cover (I7).
The cover (78) is removably attached to the base (15) by inserting it under the tongue (68) of 7).

Then release the catch (17) and let it grip the adjacent edge of the cover. To remove the cover (78) from the base (15), move the catch (17) outward and remove the cover (78).
) and move the cover (78) out of the rack (69).

The cooking unit of the invention is fuel saving. The truncated pyramid shape of the cooker reflects the concentrated heat source and directs the heat along a heat transfer path that efficiently heats the grill. Stainless steel reflective walls efficiently guide heat along the heat transfer path.

The surface angle of a truncated pyramid furnace or cooker directs radiant energy from the burning fuel along a path to the grill, effectively heating it. In addition to the above,
The present invention provides a compact collapsible cooking unit for convenient transportation and storage.

In one embodiment of the invention (FIGS. 2 and 3), when the cooking unit (10) is deployed for cooking, the foldable, disposable, non-flammable liner (85)
50) along the inner wall. In a preferred embodiment, the liner (85) is a solid plate with a reflective interior surface. The shape of the liner (85) is a furnace (50)
and has a lower end wall (86). The liner (85) thus has an inverted pyramid shape. Preferred embodiment liners have a gauge range of 0.001 to
The metal paper is made of tempered aluminum foil having a thickness of 0.005 inches. Baked radish ranges from 50 to 100%. Liner (8
5) is disposable and extremely flexible to match the internal shape of the furnace (50). Metallic paper foils such as copper foil and stainless steel foil may also be suitable.

When the grill is removed from the stove (50), the liner (85)
) can be removed together, so that the upper free end of the liner (85) can be folded over the upper periphery of the grill (75). Instead, the liner (
The upper free end of 85) can be bent over the upper edge of the furnace (5o). When ash or grease accumulates on the liner (85), fold the top of the liner (85) and
It can form envelops containing fats, oils, and ash.

This is a liner (85) that should be disposed of in an appropriate location.
, it is possible to dispose of accumulated oils, fats, and ash as a bag-like unit.

The lower open end of the hood (80) made of a bendable, non-combustible plate material such as aluminum foil is disposed in the furnace (50), on the grill (75), or above the grill. You can also do that. The open end of the hood (80)
It rests on or above (75) and has a quadrilateral shape, the circumference of which is approximately equal to the circumference of the gridiron (75).

The liner (85) is naturally in a folded form (Fig. 5) and is stored in a compact container (Fig. 4) of the cooking unit or) in a suitable one-piece package containing several liners. can be stored separately in the

Solid fuel (90) (FIG. 2) can be disposed in pieces along the bottom wall (86) of the liner (85).

The fuel (90) will be adhered to the top surface of the bottom wall (86) or can be disposed within a recess thereof.

The fuel (90) can be ground or processed into a paste. Solid fuel tablets, such as Nispit fuel tablets, can be crushed or made into a paste suitable for use as fuel. Fuel (90) is used to ignite the fire.

FIG. 6 illustrates the cooking unit (100). Parts of the cooking unit (100) having a similar structure and function as parts of the cooking unit (lO) are designated with the same reference numerals but with the suffix raJ. In the cooking unit (100), an inverted pyramid-shaped furnace or cooker (1
05) is made of a suitable bendable, disposable, non-combustible board as described above. The furnace (+05) is arranged above the support member (20a).

The hollow furnace (105) has a lower end with an end wall (106) and a larger open upper end.
The smaller lower end of 5) nests within the smaller upper open end of the support member (20a).

Disposed within the furnace (105) and spaced from the lower end wall (16) is a grate (70a). A solid fuel tablet, such as a fuel tablet, rests on the grate (70a).A hood (80) rests in the furnace (105) on or above the grill (75a).
You can also use a).

During disassembly of the cooking unit (100), the grill (75a)
and after removing the grate (70a), the furnace (105) with the ashes and grease collected therein is collapsed to form a package with the grease and ashes therein. This allows the furnace (105), accumulated grease and ashes to be disposed of in a bag-like unit so that they can be dumped at the appropriate location.

In another embodiment of the invention, the cooking unit (110
) (FIG. 7) is similar to the cooking unit (100) (FIG. 6) except for the support member or collar. Therefore, parts of the cooking unit (110) having the same structure and function as parts of the cooking unit (100) are designated by the same number with a suffix ('). In the cooking unit (llill), the truncated pyramid-shaped support member, i.e. the support collar (11' 1 ), is made of a suitable bendable, non-combustible board material, such as squared aluminum foil.

The support part R (111) is arranged below the furnace (105'). The hollow, disposable support member (lit) has a small upper open end and a larger lower open end. Support member (111) can, but need not, have a reflective surface. The small lower end of the furnace (111) nests within the small upper open end of the support member (111). The larger open end of the support member (Ill) rests on a base (15a') made of a suitable metal in the exemplary embodiment.

In Fig. 8, the cooking unit (110) except the base (7th
FIG. 2 illustrates a cooking unit (120) similar to FIG. Therefore, parts of the cooking unit (120) that have the same structure and function as the cooking unit (110) are indicated by the same number with a suffix of 2@datsushi ('').
In 20), the quadrilateral base (121) consists of a suitable bendable, non-combustible board material, such as the aluminum foil described above. Since this plate is bendable, an upright peripheral flange (122) can be formed on the base (121). A support member or collar (111) rests on the base (121) and in the peripheral flange (122).

The base (121) can, but need not, have a reflective surface.

The liner (8) of the furnace (50) (Figures 2 and 3)
5) can be formed from a square or rectangular sheet of metal paper (130) (FIG. 9). Folding line (1
30) Fold the thin plate (130) along (Figure 1O) to create a diagonal crease. Unfold the thin plate (130),
Next, fold along the diagonal folding line (132) (Figure 11). Unfold the thin plate (130) again. Create a transverse fold line (133) (Fig. 12),
The sheet (130) is stretched again (FIG. 13). FIG. 12 is inverted relative to FIGS. 10 and 11 when making the transverse fold line (133). At this time, thin plate (130
) are folded along the folding line (133), with the triangular part (134) facing the triangular part (135), and each half of the folding line (133) touching the other half of the folding line. Opposing triangular plates (136 to 139) (Fig. 13 and 1
Figure 4). Therefore, triangular plate (136)
faces the triangular plate (138), and the triangular plate (137) faces the triangular plate (139). Triangular plate (138) and triangular plate (
139) are adjacent to define a triangular portion. Thin plate (130
) is shown in FIG. 15 illustrating the triangular section (134).

Next, the vertices of the thin plate (130) are folded along the transverse line (140) that juxtaposes them separately (Figures 16 to 18).
. The apex of the sheet (130) is then extended and folded along separate juxtaposed transverse lines (141) (FIG. 21). The transverse lines (140) are parallel to each other, and the transverse lines (141)
) are in a parallel relationship (Figure 21). The transverse line (140) is perpendicular to the transverse line (141), so that the triangular part (
142 to 145] to form a quadrilateral bottom wall (second
Figure 1). Next, fold up the four corner ears (146-149) (Figures 17-19). ears (146, 147
) are arranged for the triangular part (134), and the ears (148)
, 149) are arranged with respect to the triangular part (135). Next, trim the edges or fold them inward.

The folding angle of the ears (146-149) determines the form of the liner. In a preferred embodiment, ears (146-149
) The folding angle of ) is 60°, forming a truncated pyramid shape.

At this time, the thin plates (1, 30) are substantially flat. Furnace (
50) Liner spread out like a cellar placed on the inner surface of the
(85), the triangular part (142-145
) are in the same plane to form the bottom wall of the quadrilateral, and the thin plate (1
30) is fully opened to form a liner (85).
Push it towards (Fig. 19 - 2nd Summer Fig.). Ears (1)
46-149) remain juxtaposed to the associated triangle.

Both the furnace (105) and the support member (Ill) are liner (8).
It can be molded in the manner described above for molding in 5). When forming the hood (80, 80a, Ha''), increase the amount of folding at the top of the thin plate (130),
A suitable opening (151) is formed in the top of the hood. The opening (151) provides an air flow path for combustion of the fuel.

It is clear that the cooking unit of the invention can be used without a hood. A hood can be placed over the furnace to provide air passageways of various sizes to adjust air flow and control combustion.

The liner (85), furnace (105), and support member (111) can be folded flat for storage. Be compacted during shipping or transportation. To use the sheet (130) to assemble a cooking unit or to form the liner of a furnace, apply a downward force of l-1 from the inside of the fold to the apex. The pyramid-shaped sheets can be rolled out and used as furnace liners, furnaces, support members or hoods.

In relatively small cooking units, sherry-like alcohol and solid fuel tablets can be used to heat the food. In relatively large cooking units, sherry-like alcohol and solid fuel tablets can be used to ignite charcoal and the like.

[Brief explanation of drawings]

1 is a perspective view of a cooking unit according to the invention; FIG. 2 is an exploded perspective view of the cooking unit of FIG. 1; and FIG. FIG. 4 is a perspective view of the cooking unit of FIG. 1 in a compact transport and storage configuration; FIG. 4 is a perspective view of the cooking unit of FIG. , FIG. 5 is an exploded perspective view of the cooking unit of FIG. 4 in a compact transport and storage configuration, FIG. FIG. 7 is a vertical cross-sectional view of a similar cooking unit; FIG.
8 is a vertical sectional view of the cooking unit similar to FIG. 7; FIG. 8 is a vertical sectional view of the cooking unit similar to FIG. FIG. 21 is a sketch diagram illustrating the forming of the furnace liner shown in FIG. 2, as well as other elements made from foldable, disposable, non-combustible sheet material. 10... Cooking unit 20... First member (support member) 21.22, 23.24... First panel (side plate)
31, 32, 33° 34... First hinge device 50... Second member (furnace) 51, 5
2,53.54...Second panel (side plate) 6I. 62.63.64...Second hinge device 70...
・Grate 75...Grilling grid 85...Liner patent application agent

Claims (1)

[Claims] (1) (a) A first hollow, open-ended member having a truncated pyramidal configuration and having a smaller open end, each including a plurality of first panels having a trapezoidal configuration; b) a plurality of second panels having an inverted truncated pyramid configuration and having a smaller open end, each having a trapezoidal configuration, disposed above and in axial alignment with said first member; (c) a second hollow, open-ended member, wherein the smaller open end and the smaller open end of the first member are disposed in overlapping relationship; 1 for folding and unfolding the first member.
(d) a first hinge device for hingedly connecting adjacent non-parallel edges of the first panel of the member; a second hinge device for hingedly connecting adjacent non-parallel edges of the panels; (e) a grill supported by said second member at an upper portion thereof; (g) freely disposed along the inner wall of said second panel and having the form of a hollow truncated pyramid, initially in a flat folded state and later a bendable member of the truncated pyramid-shaped second member which is unfolded to conform to the shape of the inner wall of the second panel so as to be freely disposed along the inner wall of the second panel; A cooking unit containing a non-combustible liner;