WO2022111906A1 - Dispositif de rotation de brochettes - Google Patents

Dispositif de rotation de brochettes Download PDF

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Publication number
WO2022111906A1
WO2022111906A1 PCT/EP2021/078196 EP2021078196W WO2022111906A1 WO 2022111906 A1 WO2022111906 A1 WO 2022111906A1 EP 2021078196 W EP2021078196 W EP 2021078196W WO 2022111906 A1 WO2022111906 A1 WO 2022111906A1
Authority
WO
WIPO (PCT)
Prior art keywords
skewer
box structure
rotating device
pin
longitudinal wall
Prior art date
Application number
PCT/EP2021/078196
Other languages
English (en)
Inventor
Riccardo D'AMBROGIO
Luigi DI SILVESTRO
Original Assignee
Dambrogio Riccardo
Di Silvestro Luigi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dambrogio Riccardo, Di Silvestro Luigi filed Critical Dambrogio Riccardo
Publication of WO2022111906A1 publication Critical patent/WO2022111906A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/04—Roasting apparatus with movably-mounted food supports or with movable heating implements; Spits
    • A47J37/041—Roasting apparatus with movably-mounted food supports or with movable heating implements; Spits with food supports rotating about a horizontal axis
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/06—Roasters; Grills; Sandwich grills
    • A47J37/07—Roasting devices for outdoor use; Barbecues
    • A47J37/0745—Roasting devices for outdoor use; Barbecues with motor-driven food supports

Definitions

  • the present patent application for industrial invention relates to an improved skewer-rotating device.
  • the field of reference is the one of underground-air cooking with barbecues or grills for skewers.
  • skewer indicates a wooden stick or a metal rod used to pierce pieces of meat, fish, vegetables or other foods.
  • a skewer comprises a first end section, a second end section and a central section where the food is arranged and skewered.
  • the grills for skewers that are known on the market comprise:
  • the receptacle has a rectangular shape and comprises two longitudinal sides, two transverse sides and a bottom wall where the coal is disposed.
  • the skewers are arranged side by side across the two sides, with the end sections resting on the end edges of the longitudinal sides.
  • the meat or food that is disposed over the compartment is invested by the heat emitted by the coal and is therefore cooked.
  • the user In order for the meat or food to be cooked properly, the user needs to continuously rotate the skewers so that the meat or food is cooked on all sides.
  • skewer-rotating devices have been invented to automatically and simultaneously support and rotate the skewers over the receptacle, thus cooking the meat or food slowly and homogeneously.
  • Said skewer-rotating devices comprise an elongated box frame mounted in correspondence with a longitudinal side of the receptacle from which pins protrude, being revolvingly inserted in holes of the frame.
  • Each pin comprises an axial cavity wherein one of the two end sections of the skewer is inserted.
  • a toothed body such as a pinion or a gear, is integrally mounted on each pin.
  • the device according to the prior art further comprises an electric motor and transmission means to transfer the motion of the electric motor to the toothed bodies.
  • said transmission means consist of a linear chain transmission or of a rack and pinion driven by an actuator and meshing with the teeth of the toothed bodies.
  • One of the problems encountered with such devices refers to the fact that the number of pins, and therefore the number of skewers that can be cooked at the same time, is directly proportional to the length of the box structure and therefore to the longitudinal dimension of the skewer-rotating device.
  • said skewer-rotating devices are not suitable for being used in combination with traditional barbecues comprising a kettle for the coal and a lid that are substantially shaped like two opposing segments of a sphere.
  • the lid can be moved between a closed position, wherein the lid and the kettle are coupled together and define a closed cooking chamber, and an open position, wherein the lid and the kettle are detached from each other.
  • the lid can be hinged to the kettle or it can be completely removable.
  • cooking is a closed chamber allows for controlling the oxygen flow rate inside the chamber, for adjusting the internal temperature, and for obtaining a more tender and more uniform cooking of the meat or the food in general, compared to cooking in open chamber.
  • a traditional barbecue also comprises a supporting frame that supports the lower kettle.
  • the supporting frame may comprise legs that rest on the ground or a cart that allows for moving the barbecue easily. It is evident that in order to fit a device inside the kettle, the longitudinal length of the skewer-rotating device must be smaller than the diameter of the kettle.
  • the purpose of the present invention is to devise a skewer-rotating device that, with the same longitudinal dimension, can support a larger number of skewers than the skewer-rotating devices of the prior art.
  • a further purpose of the present invention is to devise a skewer-rotating device that can be inserted into and used inside a traditional barbecue.
  • a final purpose of the present invention is to devise a skewer-rotating device that is easy and inexpensive to make.
  • the skewer-rotating device according to the invention is defined by claim
  • Fig. 1 is a top axonometric view of the skewer-rotating device according to the invention
  • Fig. 1 A is an axonometric schematic view of a skewer
  • Fig. 2 is a detailed view of the skewer-rotating device according to the invention illustrating the toothed bodies that are interfered by a helical spring;
  • Fig. 3 is a schematic view of the helical spring suitable for being positioned inside the box structure and of a toothed body, integral with a pin, against which the helical spring interferes;
  • Fig. 3A is a schematic sectional view of a toothed body and of the helical spring sectioned along a plane orthogonal to the axis of the pin whereon the toothed body is connected;
  • Fig. 4 is a schematic axonometric view of the skewer-rotating device according to the invention inserted inside a conventional barbecue;
  • Fig. 5 is a schematic top view of an alternative embodiment of the skewer-rotating device according to the invention.
  • a skewer-rotating device according to the invention is described, which is generally indicated by the reference letter (A).
  • the skewer-rotating device (A) according to the invention has been designed for simultaneously rotating a plurality of skewers (S).
  • each skewer (S) comprises a first end section (S1), a second end section (S2), and a central section (S3) wherein a food item (C) is skewered, which may indifferently comprise pieces of meat, pieces of fish, pieces of vegetables, and pieces of any other foods suitable for being cooked on a skewer.
  • the automatic skewer-rotating device (A) comprises a box structure (1).
  • the skewer-rotating device (A) comprises a plurality of pins (2) disposed side-by-side, each one of them being revolvingly inserted in a corresponding hole of the box structure (1).
  • Each pin (2) comprises:
  • the axial cavity (20) is shaped in such a way as to have a diameter slightly smaller than the diameter of the first end section (S1) of the skewer (S), so that the first end section (S1) of the skewer (S) is forcedly inserted inside the axial cavity (20) thus being coupled to the axial cavity (20) by interference.
  • the skewer-rotating device (A) comprises a toothed body (3) that is integrally connected to the internal section of the pin (2) and comprises a plurality of radial teeth (30).
  • the toothed body (3) comprises a hollow cylinder (31) wherein the internal section (2i) of the pin (2) is coupled by means of interference or shape coupling.
  • Said radial teeth (30) protrude from the outer surface of the hollow cylinder (31) and lie on a plane orthogonal to an axis (X2) of the pin (2).
  • the skewer-rotating device (A) comprises an electric motor (M) and transmission means (4) disposed inside the box structure (1) and configured to transmit the motion of the electric motor (M) to the pins (2), interfering with the radial teeth (30) of each toothed body (3).
  • the main peculiarities of the skewer-rotating device (A) according to the invention are the following:
  • the box structure (1) extends at least partially along a curvilinear trajectory
  • the transmission means (4) comprise a helical spring (40) that comprises a plurality of turns.
  • the helical spring (40) is connected to the electric motor (M) in such a way to rotate so that the turns of the helical spring (40) interfere with the radial teeth (30) of the toothed bodies (3), driving the toothed bodies (3) into rotation.
  • the box structure (1) extends over a trajectory shaped like an arc of circumference with amplitude comprised between 160° and 200°, preferably 180°.
  • each pin (2) is radial to the arc of circumference where the box structure (1) extends.
  • the box structure (1) comprises a concave longitudinal wall (11) and a convex longitudinal wall (12) disposed in parallel position, two end walls (13), an upper longitudinal wall, and a lower longitudinal wall.
  • the electric motor (M) is arranged in correspondence with one of the two end walls (13) of the box structure (1), and is housed inside a small box (T) preferably made of a material that allows the motor (M) to be thermally insulated from the outside.
  • said small box (T) is made of stainless steel.
  • the small box (T) is shown only in Fig. 1 , whereas the other figures schematically illustrate the electric motor (M) not covered by the box (T).
  • the pins (2) protrudes from the convex longitudinal wall (12) of the box structure (1).
  • the pins (2) are arranged substantially in a radial pattern around the box structure (1).
  • the skewer-rotating device (A) also comprises a receptacle (5) that extends along an arc of circumference whose width is equal to the width of the arc of circumference where the box structure (1) extends.
  • the receptacle (5) comprises a convex side (52), two end sides (53), a bottom (50), and a concave side (51) parallel to the convex edge (22) and joined to the convex longitudinal wall (12) of the box structure (1).
  • the concave side (51), the convex side (52), the two end sides (53) and the bottom (50) define a compartment (V).
  • a heat source is suitable for being positioned inside the compartment (V), preferably consisting of hot coal or charcoal.
  • each skewer (S) is positioned above the compartment (V) so that the food (C) is directly invested by the heat emitted by the aforesaid heat source and is cooked.
  • the second end section (S2) of the skewer (S) is designed to protrude externally with respect to the convex side (52), so that when the food (C) is cooked, a user can grab the second end section (S2) and pull the skewer (S) away without having to reach with his hand above the compartment (V).
  • the bottom (50) of the receptacle (5) comprises a metal grill (50a) for holding the coal.
  • the longitudinal walls (11 , 12) of the box structure (1), and the concave and convex edges (21 , 22) of the receptacle preferably consist of sheet steel, advantageously stainless steel, bent by means of suitable bending processes, such as calendering processes.
  • the barbecue (7) includes a cooking enclosure comprising a lower kettle (71) and a lid (72), which are shaped like a segment of a sphere.
  • the lid (72) may alternatively be disposed in a closed arrangement, defining a closed cooking chamber together with the lower kettle (71), or in an open arrangement, wherein the cooking chamber is open and is defined exclusively by the lower kettle (71) (as shown in Fig. 4).
  • the barbecue (7) also comprises a supporting frame (70) configured to support the lower kettle (71).
  • the supporting frame (70) may comprise one or more supporting legs that rest on the ground and/or legs provided with wheels that can roll on a ground, making it easier to drag and move the barbecue (7).
  • the radius of curvature of the convex side (52) of the receptacle (5) is smaller than the radius of curvature of the lower kettle (71) so that the skewer-rotating device (A) can fit inside the lower kettle (71).
  • the skewer-rotating device (A) may be an integral part of a grill structure (not shown in the appended figures) that, in addition to said skewer-rotating device (A), also comprises a supporting frame configured in such a way as to support the skewer-rotating device (A).
  • the supporting frame may comprise supporting legs that rest on a ground and/or legs provided with wheels that make it easier to drag and move the grill structure.
  • the supporting frame of said grill structure may further comprise a bottom surface, disposed below the metal grill of the receptacle of the skewer-rotating device (A) whereon ashes or pieces of coal or charcoal or the like precipitate and deposit, passing through the openings of the metal grill of the bottom (50).
  • the receptacle (5) extends for a trajectory shaped like an arc of circumference with amplitude equal to the trajectory shaped like an arc of circumference of the box structure (1).
  • the receptacle (5) comprises a concave side (51), two end sides (53), a bottom (50) and a convex side (52) connected to the concave longitudinal wall (11 ).
  • each skewer (S) is suitable for being positioned above the compartment (V) of the receptacle (5), whereas the second end section (S2) of the skewer (S) is suitable for protruding outside with respect to the concave side (51) of the receptacle (5).
  • the skewer-rotating device (A) will be mounted on a supporting frame that is suitably shaped to support the skewer-rotating device (A).
  • a user can stand in the internal space defined by the skewer-rotating device (A) and easily control all the skewers (S) during cooking. Moreover, if the concave side (51) of the receptacle (5) extends for an arc of circumference having a smaller diameter than the opening of the user's arms, it is easy to understand that the user can easily grip and pull out all the skewers (S) while standing in the center of the skewer-rotating device (A).
  • the skewer-rotating device (A) can have a greater number of pins (2) and therefore can support a greater number of skewers at the same time.
  • the skewer-rotating device is suitable for being used in combination with a conventional barbecue (7), thus allowing for cooking the food (C) alternatively in closed chamber, by placing the lid (72) of the barbecue in its closed position, and in open chamber, by placing the lid (72) of the barbecue in its open position.
  • box structure (1) extends along a trajectory shaped like an arc of circumference, nothing prevents the box structure (1) from having a different shape, such as a horseshoe shape or a "U" shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

Dispositif de rotation de brochettes automatique (A) pour faire tourner simultanément plusieurs brochettes (S) ; ledit dispositif de rotation de brochettes automatique (A) comprend une structure de boîte (1), plusieurs broches (2) disposées côte à côte, chacune d'elles étant insérée par rotation dans un trou correspondant de la structure de boîte (1) ; chaque broche (2) comprenant une section interne (2i) disposée à l'intérieur de la structure de boîte (1), et une section externe (2t) qui fait saillie vers l'extérieur à partir de la structure de boîte (1) et qui comprend une cavité axiale (20), la première section d'extrémité (S1) de la brochette (S) étant adaptée pour être insérée ; la structure de boîte comprend un corps denté (3) solidaire de la section interne de la broche (2), un moteur électrique (M) et des moyens de transmission (4) pour transmettre le mouvement du moteur électrique aux broches (2), interférant avec les dents radiales (30) du corps denté (3) ; la particularité du dispositif de rotation de brochettes automatique (A) consiste en ce que la structure de boîte (1) s'étend au moins partiellement pour une trajectoire curviligne et en ce que lesdits moyens de transmission comprennent un ressort hélicoïdal (40).
PCT/EP2021/078196 2020-11-25 2021-10-12 Dispositif de rotation de brochettes WO2022111906A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102020000028310 2020-11-25
IT202000028310 2020-11-25

Publications (1)

Publication Number Publication Date
WO2022111906A1 true WO2022111906A1 (fr) 2022-06-02

Family

ID=74557159

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/078196 WO2022111906A1 (fr) 2020-11-25 2021-10-12 Dispositif de rotation de brochettes

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WO (1) WO2022111906A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3169470A (en) * 1960-12-13 1965-02-16 Oatley Arthur Frederick Multiple skewer attachment for a broiler
US3848523A (en) * 1973-05-29 1974-11-19 M Vali Rotary barbecue device
US4154154A (en) * 1976-06-01 1979-05-15 Vivian Weldon B Skewered food cooking devices
WO1994023628A1 (fr) * 1993-04-22 1994-10-27 Coutant Jean Noel Tourne-brochettes automatique
WO2010053538A1 (fr) * 2008-11-06 2010-05-14 Edward Jones Gril et appareil de cuisson de kebab

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3169470A (en) * 1960-12-13 1965-02-16 Oatley Arthur Frederick Multiple skewer attachment for a broiler
US3848523A (en) * 1973-05-29 1974-11-19 M Vali Rotary barbecue device
US4154154A (en) * 1976-06-01 1979-05-15 Vivian Weldon B Skewered food cooking devices
WO1994023628A1 (fr) * 1993-04-22 1994-10-27 Coutant Jean Noel Tourne-brochettes automatique
WO2010053538A1 (fr) * 2008-11-06 2010-05-14 Edward Jones Gril et appareil de cuisson de kebab

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