EP0894314B1 - An automatic distributor of hot foods in trays - Google Patents

An automatic distributor of hot foods in trays Download PDF

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Publication number
EP0894314B1
EP0894314B1 EP97918336A EP97918336A EP0894314B1 EP 0894314 B1 EP0894314 B1 EP 0894314B1 EP 97918336 A EP97918336 A EP 97918336A EP 97918336 A EP97918336 A EP 97918336A EP 0894314 B1 EP0894314 B1 EP 0894314B1
Authority
EP
European Patent Office
Prior art keywords
tray
bar
distributor
carriage
trays
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP97918336A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0894314A1 (en
Inventor
Giuseppe Biffarella
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0894314A1 publication Critical patent/EP0894314A1/en
Application granted granted Critical
Publication of EP0894314B1 publication Critical patent/EP0894314B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/80—Apparatus for specific applications
    • H05B6/808—Microwave heating adapted for vending machines
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
    • G07F11/02—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines
    • G07F11/04—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines in which magazines the articles are stored one vertically above the other
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/0064—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for processing of food articles
    • G07F17/0078—Food articles which need to be processed for dispensing in a hot or cooked condition, e.g. popcorn, nuts
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F9/00—Details other than those peculiar to special kinds or types of apparatus
    • G07F9/10—Casings or parts thereof, e.g. with means for heating or cooling
    • G07F9/105—Heating or cooling means, for temperature and humidity control, for the conditioning of articles and their storage

Definitions

  • the invention relates to an automatic distributor of hots foods in trays.
  • the invention relates to an automatic distributor of the type comprising at least a vertical stocker channel of trays containing heatable foodstuffs, wherein the trays are stacked one on top of another.
  • An aim of the present invention is to provide an automatic distributor of hot foods in trays which solves the above-mentioned drawback.
  • a further aim of the present invention is to provide a distributor of hot foods in which the device for removing the single trays from the pile or stack is made and operates in such a way as to avoid any possible damage to the trays themselves.
  • a further aim of the invention is to provide a distributor of hot foods which is equipped with a mechanically-commanded device for removing the trays from the stacker.
  • An advantage of the present invention is that it is constructionally simple and economical.
  • 1 denotes in its entirety an automatic distributor of hot foods in trays, comprising a container unit 30 enclosing a refrigerated cell 31 which contains, in the example, four vertical stores of trays 3 containing food for heating.
  • the vertical stackers 2 are located side by side and aligned.
  • the trays 3 are piled one on top of another.
  • Each vertical stacker 2 is provided with two vertical walls 32 fixed to the container unit 30 and distanced parallel one to the other.
  • the trays 3 are located between the walls 32.
  • Also provided are two vertical walls; an insulated posterior wall 33 and a transparent front wall 35, both removable and fixed to the container unit 30.
  • the distributor 1 comprises, associated to each vertical store 2, means for singly depositing the tray 3 situated at the bottom of a respective vertical stacker 2, on a rest plane 4 located below the stackers 2.
  • the means for singly depositing comprise two support devices, one upper 6 and one lower 7.
  • the upper support device 6 can on command selectively assume a first active position in which it supports the tray 3 at the base of the store 2 and a second inactive position in which it leaves the tray 3 to fall freely.
  • the upper support device 6 comprises, in the example, two oppositely-positioned shaped arms 9 on which opposite upper edges and the laterally-projecting inclined sides of a tray 3 rest.
  • the arms 9 exhibit inclined surfaces on which at least a part of the sides of the tray 3 rest, with the aim of better distributing the stresses on the tray created by the way it is resting.
  • Each arm 9, which is rotatable about a horizontal rotation axis, can on command rotate in both directions between two positions, active and inactive, as mentioned above.
  • the shaped arms 9 are in the active position.
  • the inactive position is reached with a downwards-directed rotation.
  • Each arm 9 bears at one end thereof a first pivot 36, rotatably supported by a bushing 37 seated in the posterior part 33 and at an opposite end a second pivot 38, which is rotatable in a recess of the front wall 35.
  • Two photocells 39 and 40 one normally obscured by a tray 3 supported by the arms 9 and the other normally not obscured, signal the presence of at least one tray 3 in the store and also signal any anomalous presence of unacceptable trays (unacceptable since impeding the correct functioning of the distributor).
  • the lower support device 7 can on command selectively assume an upper position in which it can support the tray 3 at the bottom of the store 2 and a lower position in which it can pass from a support configuration for the tray into an unloading position thereof.
  • the lower support device 7 comprises a plate 10 on which the bottom of a tray 3 rests.
  • the plate 10 can, on command, rotate in both directions about a horizontal rotation axis, so that the plate 10, with respect to a tray support position in which it is horizontal, can assume an inclined unloading configuration in which the tray 3 can slide downwards.
  • the lower support device 7 further comprises a four-bar hinge mechanism 15 having pivot axes arranged horizontally and being provided with four hinged bars, namely: a first bar 16, split into two parallel parts, to which the plate 10 is constrained; a second bar 17, opposite to the first bar 16 and also split into two parts, respectively 18 and 42, adjacent to the first.
  • the third bar 18 is C-shaped with the two end parts, opposite and reciprocally parallel, hinged with the first bar 16 about a same hinge pivot 41.
  • a rotatable shaft 43 is solidly constrained to the second bar 17; said shaft 43 has a horizontal axis which passes through the opposite ends of the C-shaped third bar 18.
  • the shaft 43 which is independent of the third bar 18, exhibits an end which is seated in the front wall 35 and an opposite end 47, which passes through the posterior wall 33 and which is rotatably supported by a sleeve 44 in turn rotatable internally of a bushing 45 seated in the posterior wall 33.
  • the distributor 1 exhibits means for commanding the movement of the upper support device 6, which means for commanding comprise a first carriage 12, alternatingly slidable along fixed vertical guides 46 in both directions. Two levers, constrained to the arms 9, are connected by means of a pivot-slot coupling to the first carriage 12, and are drawn in rotation by the first carriage 12 in one direction or another by effect of the above-mentioned alternating movement.
  • the first carriage 12 is commanded to perform its alternating movement by effect of a coupling of a pivot 14 in the carriage 12 with a corresponding f ⁇ rst shaped track 13 made on a rotating cam 8, driven to rotate by a gear reducer 34 about a vertical rotation axis.
  • the cam 8 during operation associates with an endrun stop 49 able to stop the cam 8 rotating after a complete revolution.
  • the distributor 1 further comprises means for activating the four-bar hinge mechanism 15, which means can operate such as to keep the second bar selectively immobile with a frame function, so as to rotate the first bar 16 and thus the plate 10 constrained thereto; or alternatively the third bar 18, so as to move the first bar 16 and thus the plate 10 in a parallel sense.
  • the end 47 of the shaft 43 is made solid to an arm 27 constrained at one end thereof to a second carriage 19 which is slidable on vertical guides 46 and able to move alternatingly up and down.
  • the arm 27 is constrained to the second carriage 19 by means of a pivot-slot coupling, so that the up and down movement of the second carriage 19 corresponds to a rocking oscillation of the arm 27, which can draw the shaft 43 in rotation.
  • the sleeve 44 is made solid to a cogwheel 22 supported coaxially on the end 47 of the shaft 43 and rotatingly idle on said end.
  • the rotation of the sleeve 44 and the cogwheel 22 is therefore independent of the rotation of the shaft 43 situated internally and coaxially thereto.
  • the cogwheel 22 is coupled to a vertical rack 21 constrained to a block 48 borne by a third carriage 20 which is slidable on the vertical guides 46 and which is also able to move alternatingly up and down, by effect of which a rotation is transmitted in both cogwheel 22 directions.
  • the second carriage 19 and the third carriage 20 are therefore associated to the second bar 17 and, respectively, to the third bar 18 of the four-bar hinge, as will be better explained hereinbelow.
  • the second and the third carriage 19 and 20 are, like the first carriage, commanded to move alternatingly by effect of the coupling of their respective pivots 23 and 24 with corresponding shaped tracks 25 and 26 made in the cam 8.
  • the cam 8 thus has the task of commanding both support devices, lower 7 and upper 8, so that they assume a predetermined sequence of positions and configurations according to a series of synchronised movements.
  • the distributor 1 further comprises means for transporting a tray 3 located on the rest plane 4 into a microwave oven 5, provided with motorised hatches and suitable for heating the contents of the tray 3, which means comprise a first pusher 28 able to move parallel to the rest plane 4 and in the alignment direction of the stackers 2.
  • the distributor device functioning will now be described, starting from a configuration in which the pile of trays 3 is rested on respective plates 10 in the active upper position and in the support configuration, and the shaped arms 9 are also in the active position.
  • the cam 8 associated to the selected tray 3 is activated.
  • the first and third carriages 12 and 20 are commanded to descend along the vertical guides 46 by the relative shaped tracks, 13 and 26; the movement of the first carriage 12 causes the rotation of the arms 9 downwards, for which reason the arms 9 move into the inactive position in order not to interact with the pile of trays, leaving the pile itself free, while continuing to rest on the plate 10, to make a subsequent lowering movement.
  • the movement of the third carriage 20 causes the cogwheel 22 to rotate and consequently, thanks to the sleeve 44, a rotation downwards of the C-shaped third bar 18 of the four-bar hinge 15, which determines a pure downwards translation movement of the first bar 16 and the consequent descent of the plate 10, which supports the pile of trays 3; during this phase the second carriage 19 stays immobile, so that the second bar 17 of the four-bar hinge 15, which is constrained to the second carriage 19 by the arm 27 and the shaft 43, stays still, performing the function of a frame for the four-bar hinge: the first bar 16, opposite to the second bar 17, moves parallel to itself and the plate 10, which is constrained thereto, stays horizontal, that is, in the support configuration.
  • This phase is schematically represented in figures 6 and 7.
  • the first carriage 12 returns upwards, bringing the arms 9 back into the active position so as to support the pile of trays and engage the tray which previously was immediately above the tray at the bottom of the pile; at this point, then, the arms 9 are between the edge of the tray at the bottom of the pile and the edge of the tray situated immediately above; in effect the tray immediately above has now become the last tray in the pile.
  • the plate (10) meanwhile continues in its downwards movement supporting the selected tray which by now is separated from the remaining trays and is no longer part of the pile. This phase is illustrated in figure 8.
  • the second carriage 19 After a further distancing of the selected tray from the other trays, the second carriage 19 begins a downwards movement, with the third carriage 20 still or close to being still.
  • the shaft 43 by effect of the arm 27, is commanded to rotate, drawing with it the second bar 17 in a rightwise rotation (see figure 9); in this phase the third bar 18, which is immobile or nearly so, functions as a frame for the four-bar hinge 15; the first bar 16 rotates about its hinge pivot with the third bar 18, inclining the plate 10 downwards in an unloading configuration of the selected tray, and the tray then slides from the plate 10 on to the underlying rest plane 4.
  • the tray having fallen from the plate 10 on to the rest plane 4, is then transported by the first pusher 28 towards the microwave oven 5, where it is heated before extraction, by means of the second pusher 29, so that it can be consumed.
  • the rotation by one revolution of the cam 8 is completed so as to bring the support devices into the starting configuration, so that the distributor is ready for a new cycle.
  • a stacker which is about to finish is refilled by introducing a new pile of trays which is simply rested on the few remaining trays. These last trays will in any case be selected by a consumer before the newly-added trays. In this way there is no risk that a tray will not be selected for a long time and thus that the food contained in it might deteriorate.
  • the distributor can be refilled with new trays extremely quickly and simply.
  • the invention further enables the trays to be removed one at a time without their being damaged the trays. Thanks to the synchronised movement of reciprocal nearing and distancing in a vertical direction of the upper and lower support devices, the passage of the tray from one to the other device, that is, from the upper to the lower device, happens advantageously gradually, without bumps, jolts, falls and brusque tray movements, all of which reduces the risk of damaging the latter.
EP97918336A 1996-04-12 1997-04-11 An automatic distributor of hot foods in trays Expired - Lifetime EP0894314B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMO960046 1996-04-12
IT96MO000046A IT1287420B1 (it) 1996-04-12 1996-04-12 Distributore automatico di cibi caldi in vaschetta
PCT/IT1997/000080 WO1997039431A1 (en) 1996-04-12 1997-04-11 An automatic distributor of hot foods in trays

Publications (2)

Publication Number Publication Date
EP0894314A1 EP0894314A1 (en) 1999-02-03
EP0894314B1 true EP0894314B1 (en) 1999-11-03

Family

ID=11386071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97918336A Expired - Lifetime EP0894314B1 (en) 1996-04-12 1997-04-11 An automatic distributor of hot foods in trays

Country Status (7)

Country Link
EP (1) EP0894314B1 (it)
AT (1) ATE186415T1 (it)
CA (1) CA2251573A1 (it)
DE (1) DE69700751T2 (it)
ES (1) ES2141612T3 (it)
IT (1) IT1287420B1 (it)
WO (1) WO1997039431A1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2783075B1 (fr) * 1998-09-03 2000-12-01 Cfm Electronique Dispositif de distribution de plateaux
EP4280183A1 (en) * 2022-05-16 2023-11-22 Awayter, SL Vending machine for dispensing packaged products and method for dispensing a packaged product from a vending machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220567A (en) * 1975-08-07 1977-02-16 Isowa Ind Co Method of and apparatus for supplying pallet
GB8515235D0 (en) * 1985-06-15 1985-07-17 Sankey Vending Ltd Article release apparatus
FR2611465A1 (fr) * 1987-03-03 1988-09-09 Torti Thierry Dispositif distributeur automatique de repas en conserve servis chauds ou froids
EP0482245A1 (de) * 1990-10-26 1992-04-29 T.A. S.R.L.Tecnologie Alimentari Speisen-Automat
US5147068A (en) * 1991-01-16 1992-09-15 Wright Food Systems, Inc. Automated food vending system
US5503300A (en) * 1994-04-21 1996-04-02 Krh Thermal Systems Vending machine including refrigeration and oven compartments

Also Published As

Publication number Publication date
ES2141612T3 (es) 2000-03-16
CA2251573A1 (en) 1997-10-23
ITMO960046A0 (it) 1996-04-12
WO1997039431A1 (en) 1997-10-23
EP0894314A1 (en) 1999-02-03
DE69700751T2 (de) 2000-06-29
IT1287420B1 (it) 1998-08-06
ITMO960046A1 (it) 1997-10-12
DE69700751D1 (de) 1999-12-09
ATE186415T1 (de) 1999-11-15

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