WO2013138462A1 - Cover guard and routing device - Google Patents

Cover guard and routing device Download PDF

Info

Publication number
WO2013138462A1
WO2013138462A1 PCT/US2013/030861 US2013030861W WO2013138462A1 WO 2013138462 A1 WO2013138462 A1 WO 2013138462A1 US 2013030861 W US2013030861 W US 2013030861W WO 2013138462 A1 WO2013138462 A1 WO 2013138462A1
Authority
WO
WIPO (PCT)
Prior art keywords
guard
portion
housing
oven
cord
Prior art date
Application number
PCT/US2013/030861
Other languages
French (fr)
Inventor
William S. Schjerven
Original Assignee
The Middleby Corporation
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
Priority to US201261610737P priority Critical
Priority to US61/610,737 priority
Application filed by The Middleby Corporation filed Critical The Middleby Corporation
Publication of WO2013138462A1 publication Critical patent/WO2013138462A1/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24COTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/30Arrangements for mounting stoves or ranges in particular locations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24COTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/36Protective guards, e.g. for preventing access to heated parts

Abstract

A guard for protecting a power cord of an oven or similar device. The guard includes a housing having a first and second portion. The first portion of the guard includes a first flange and a plurality of vents while the second portion includes an aperture, a second flange and an aperture. The first portion surrounds a connection between the cord and the oven as it guides the cord from the device to the aperture in the second portion. The aperture in the second portion guides the cord outside the guard. The housing of the guard is mountable to the oven by the first and second flanges.

Description

COVER GUARD AND ROUTING DEVICE

BACKGROUND

[0001] Embodiments of the invention relate to devices for protecting and routing electrical cords.

[0002] Restaurants and other food service businesses often need to maximize the use of available kitchen space for ovens and other appliances. One way to maximize usage of space is to stack devices on top of each other.

SUMMARY

[0003] While stacking devices (such as ovens) conserves space, the practice also introduces potential hazards. One hazard often caused by stacking relates to heating of the power cord of the device positioned on top of another device in a stack.

[0004] When two devices are stacked one on another, the power cord for the top device (e.g., an oven) must be routed along the top of the lower device (e.g., a second oven). Current dual- oven installation techniques put the insulation of the top cord at risk for melting as a result of its proximity to the hot air created by or hot surfaces of the bottom oven. If the insulation of the top cord melts, the electrical wires in the cord could short to ground causing the oven to stop working. Such a failure of the oven stops cooking at the food service establishment until the electrical cord is repaired. Melting of the insulation could also expose "live" wires to cooks and other people in the kitchen. An exposed wire or wires presents an electrical shock hazard. Other damage to the cord of the top oven is possible, as the cord may get caught or pinched in the components of the lower oven, such as a door or a conveyor. Therefore, there is a need for a device that physically and thermally protects the top cord from damage.

[0005] Accordingly, embodiments of the present invention provide a guard for protecting a power cord of an oven. In one alternative form, the invention provides a guard including a housing configured to be mounted to an oven. The housing has a first portion and a second portion. The first portion includes a plurality of vents and a first flange. The second portion includes an aperture and a second flange. The first portion surrounds an outlet or opening in the housing of the oven through which the cord is routed. The first portion also guides the cord from the oven to the second portion of the guard. The cord is routed through the aperture in the second portion so that the cord plug is located outside of the guard. The guard is mounted to the oven by the first and second flanges.

[0006] In another embodiment the invention provides a method for protecting a power cord of an oven having an outlet for the cord using a guard, the guard having a housing including a first portion and a second portion, the housing configured to be mounted on the oven, the first portion including a plurality of vents and a first flange, the second portion including an aperture and a second flange. The method comprising mounting the housing to the oven by the first flange of the first portion and the second flange of the second portion, wherein the first portion surrounds the outlet of the oven when the guide is mounted to the oven housing, the first and second portions guide the cord from the outlet to the aperture in the second portion, and the cord is routed through the aperture in the second portion so that a plug of the cord is located outside the guard.

[0007] Other aspects of the invention will become apparent by consideration of the detailed description and accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

[0008] FIG. 1 is a front, perspective view of a stackable, dual-device system including a top oven, a bottom oven, and a cord guard according to a first embodiment of the invention.

[0009] FIG. 2 is a front view of the top oven in FIG. 1 having a first side wall of the cord guard removed to display an interior of a first portion of a guard housing.

[0010] FIG. 3 is a side, partial cutaway view of the top oven in FIG. 1 having a front wall of the cord guard removed to show a power cord routed through the first and second portions of the guard housing.

[0011] FIG. 4 is a top, partial cutaway view of the top oven in FIG. 1 having a bottom wall of the cord guard removed to display the interior of the first and second portions of the guard housing. [0012] FIG. 5 is a perspective view of an end of the first portion of the cord guard in FIG. 1.

[0013] FIG. 6 is a perspective view of an end of the second portion of the cord guard in FIG. 1.

[0014] FIG. 7 is a top view of the cord guard in FIG. 1. DETAILED DESCRIPTION

[0015] Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways.

[0016] FIGS. 1-4 illustrate a dual-device (e.g., two-oven) system 10. The system 10 includes a first oven 12 stacked on top of a second oven 14. The first oven 12 includes a housing 16 having a control compartment (not shown), a first heating chamber 18, and second heating chamber 20. The first oven receives electrical power via a power cord 22 that is routed through an outlet or opening 23 of the housing 16 on a second side 30 of the system 10. The power cord has a plug 25.

[0017] The first oven 12 also includes a first deck 26 that extends from a first side 28 of the system 10 through the first heating chamber 18 to the second side 30 of the system 10. Likewise, a second deck 32 extends from the first side 28 of the system 10 through the second heating chamber 20 to the second side 30 of the system 10. The first and second decks 26, 32 support conveyor belts (not shown) for moving food through the heating chambers 14, 16. The first oven 12 also includes draft curtains 38, 40 for reducing drafts through the heating chambers 18, 20 thereby reducing heat loss from the oven 12 to the environment. First and second control panels 42 and 44 provide control mechanisms for regulating functions (i.e., programming and operation) of the first and second heating chambers 14, 16. The housing 16 of the first oven 12 additionally includes a plurality of circuit breakers 46, cooling fans 48, and vents 50. [0018] The second oven 14 is similar to the first oven 12. The second oven 14 includes a power cord (not shown) and includes a heating chamber 52 with a deck 54 extending from the first side 28 to the second side 30 of the system 10. The deck 54 supports a conveyor belt (not shown) for moving food through the heating chamber 52. The second oven 14 also includes a control panel (not shown) that houses operating controls (not shown) that regulate functions of the second oven 14. A window 58 is included in a housing 60 of the second oven 14 for viewing an interior of the heating chamber 52. The two-oven assembly is mountable on a support assembly (not shown).

[0019] As best seen by references to FIGS. 3-4, the power cord 22 of the first oven is routed through and surrounded by, guard 68. The guard 68 guides the cord along a path P. The guard may be made from metal or other rigid material that is suitable for use in high-temperature environments. The guard 68 is fixed or mounted to the first oven 12 on the second side 30 of the system 10 at a location between the first and second ovens 12, 14, and includes a housing 70. The guard housing 70 includes a first side wall 71, a second side wall 73, a top wall 75, a bottom wall 77 and a front wall 79. Additionally, the guard includes a first portion 72 and a second portion 74. The first and second portions 72, 74 of the housing 70 are integrally formed in the illustrated embodiment. In alternative embodiments, the first and second portions 72, 74 are formed separately and joined by fastening means (e.g., adhesives, bolts or screws). The first portion 72 of the housing 70 is substantially hollow and includes a first flange 76 and an auxiliary flange 82. The second portion 74 of the housing 70 includes an aperture 78 and includes a second flange 80. The walls of the housing 70 guide the power cord 22 from the first portion 72 to the second portion 74. The cord is routed through an opening or aperture 78 in the second portion 74 of the guard housing 70 to a location (described in greater detail below) outside of the guard housing 70. In particular, the cord is routed so that the plug 25 is located outside of the guard housing 70.

[0020] The second portion 74 of the guard housing 70 is located substantially below the second heating chamber 20. The housing 70 is mountable to the oven 12 by the first flange 76 of the first portion 72 and the second flange 80 of the second portion 74. The first and second portions 72, 74 of the guard housing 70 are secured by fasteners 88 (e.g., by rivets, bolts, or screws) received by through holes 90 in the first and second flanges 76, 80. When so secured to the first oven, the guard 68 is flush with the housing 16 of the first oven 12.

[0021] As best seen by reference to FIGS. 2-4, ring couplings 83 and 84 are located in openings or apertures along the path P. The power cord 22 runs through the first and second ring coupling 83 and 84. In the illustrated embodiment, each coupling includes a fastener 85 (i.e., a nut or a bushing) and a threaded portion 87. The ring couplings 83 and 84 are used to keep the cord 22 taut. As such, the ring couplings 83, 84 protect the cord by preventing it from hanging or drooping within the guard housing 70 and contacting the interior walls of the guard housing. The ring couplings 83, 84 support the weight of the cord 22. The first ring coupling 83 is positioned in an opening in the housing 16 of the first oven located substantially adjacent to the second heating chamber 20, while the second ring coupling 84 is positioned in an opening in the second portion 74 of the guard housing defined by aperture 78.

[0022] In operation, the guard 68 guides the cord 22 from the ring coupling 83 at a first point or location LI adjacent the housing 16 of the first oven 12 along the path P to a second point or location L2 external to the guard housing 70. The second location L2 is external to the housings 16, 60 of the first and second ovens 12, 14. The path P followed by the power cord 22 is defined by the first portion 72 of the housing 70 that surrounds the outlet 23 and the second portion 74. The path P is further defined by the aperture 78 in the second portion 74 of the housing 70, which guides the cord outside the guard 68. As such, the guard 68 isolates the power cord 22 of the first oven 12 from the adjacent heating chambers 20, 52. Thus, the guard 68 offers the cord 22 physical protection as it routes the cord 22 from a front side 24 of the oven 12 to a rear side 92 of the oven 12. The guard 68 also offers thermal protection to the cord, as it keeps the cord away from hot surfaces. In addition, the interior of the guard may be cooled such as by natural convection and vents (discussed below) or via a fan or other cooling mechanism. The dimensions and the orientation of first and second portions of the guard housing demonstrated in FIGS. 1-7 are just one possible embodiment of the dual oven system, and in other embodiments, the first and second portions of the guard housing have any suitable dimensions and orientation.

[0023] As best seen by reference to FIG. 5, in one embodiment of the invention the first portion 72 of the housing 70 includes a plurality of vents or louvers 94. The louvers 94 allow heat present in the housing 70 to escape to the adjacent environment. It is contemplated that other embodiments or constructions of the guard do not include louvers.

[0024] It will be appreciated that the invention is not limited to a cord guard for an oven. The inventive concepts may be employed in connection with other devices including other stackable appliances having power cords that require physical and thermal protection. Also, in the illustrated embodiments, the first oven includes two heating chambers while the second oven includes only one heating chamber. It should be understood that the first and second ovens could have more or less heating chambers. The dimensions of the ovens and the orientation of the heating chambers and control panels demonstrated in the illustrated embodiment is just one possible embodiment of the dual oven system, and in other embodiments, the heating chambers and control panels have other orientations and the ovens may have other dimensions.

[0025] Various features and advantages of the invention are set forth in the following claims.

Claims

CLAIMS What is claimed is:
1. A guard for protecting a power cord of an oven the oven having an outlet for the cord, the guard comprising: a housing including a first portion and a second portion, the housing configured to be mounted on the oven; the first portion including a plurality of vents; and a first flange; the second portion including an aperture; and a second flange; wherein the housing is mountable to the oven by the first flange of the first portion and the second flange of the second portion; and wherein the first portion surrounds the outlet of the oven when the guide is mounted to the oven, the first and second portions guide the cord from the outlet to the aperture in the second portion, and the cord is routed through the aperture in the second portion so that a plug of the cord is located outside the guard.
2. The guard of claim 1, further comprising first and second ring couplings.
3. The guard of claim 2, wherein the first and second ring couplings supports a weight of the power cord.
4. The guard of claim 1, wherein the housing guides the power cord along a path from a first location to a second location.
5. The guard of claim 4, wherein the first location is within the first portion of the housing.
6. The guard of claim 4, wherein the second location is outside the second portion of the housing.
7. The guard of claim 1, wherein the guard is made from metal.
8. The guard of claim 1, wherein the housing includes a first side wall, a second side wall, a top wall, a bottom wall and a front wall.
9. The guard of claim 1, wherein the first and second portion of the housing are integrally formed.
10. The guard of claim 1, wherein the first portion of the housing includes a flange.
11. A cooking oven comprising: an oven housing; a heating chamber; and a guard for protecting a power cord, the guard including, a guard housing including a first portion and a second portion, the guard housing configured to be mounted on the oven housing; the first portion including a plurality of vents; and a first flange; the second portion including an aperture; and a second flange; wherein the guard housing is mountable to the oven housing by the first flange of the first portion and the second flange of the second portion, and wherein the first portion surrounds the outlet of the oven when the guide is mounted to the oven housing, the first and second portions guide the cord from the outlet to the aperture in the second portion, and the cord is routed through the aperture in the second portion so that a plug of the cord is located outside the guard.
12. The guard of claim 11, further comprising first and second ring couplings.
13. The guard of claim 12, wherein the first and second ring couplings supports a weight of the power cord.
14. The guard of claim 11 , wherein the guard housing guides the power cord along a path from a first location to a second location.
15. The guard of claim 14, wherein the first location is within the first portion of the guard housing.
16. The guard of claim 14, wherein the second location is outside the second portion of the guard housing.
17. The guard of claim 11, wherein the guard is made from metal
18. The guard of claim 11 , wherein the guard housing includes a first side wall, a second side wall, a top wall, a bottom wall and a front wall.
19. The guard of claim 11, wherein the first and second portion of the guard housing are integrally formed.
20. The guard of claim 11, wherein the first portion of the guard housing includes a flange.
21. A method for protecting a power cord of an oven having an outlet for the cord using a guard, the guard having a housing including a first portion and a second portion, the housing configured to be mounted on the oven, the first portion including a plurality of vents and a first flange, the second portion including an aperture and a second flange, the method comprising: mounting the housing to the oven by the first flange of the first portion and the second flange of the second portion;
wherein the first portion surrounds the outlet of the oven when the guide is mounted to the oven housing, the first and second portions guide the cord from the outlet to the aperture in the second portion, and the cord is routed through the aperture in the second portion so that a plug of the cord is located outside the guard.
22. The method of claim 21, wherein the housing further comprises first and second ring couplings.
23. The method of claim 22, wherein the first and second ring couplings supports a weight of the power cord.
24. The method of claim 21 , wherein the housing guides the power cord along a path from a first location to a second location.
25. The method of claim 24, wherein the first location is within the first portion of the housing.
26. The method of claim 24, wherein the second location is outside the second portion of the guard housing.
27. The method of claim 21 , wherein the housing is made from metal
28. The method of claim 21, wherein the housing includes a first side wall, a second side wall, a top wall, a bottom wall and a front wall.
29. The method of claim 21, wherein the first and second portion of the housing are integrally formed.
30. The method of claim 21, wherein the first portion of the housing includes a flange.
PCT/US2013/030861 2012-03-14 2013-03-13 Cover guard and routing device WO2013138462A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US201261610737P true 2012-03-14 2012-03-14
US61/610,737 2012-03-14

Publications (1)

Publication Number Publication Date
WO2013138462A1 true WO2013138462A1 (en) 2013-09-19

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ID=49161764

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2013/030861 WO2013138462A1 (en) 2012-03-14 2013-03-13 Cover guard and routing device

Country Status (1)

Country Link
WO (1) WO2013138462A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5277105A (en) * 1992-05-29 1994-01-11 Middleby Marshall Corporation Low profile stackable conveyor oven
US5882226A (en) * 1996-07-08 1999-03-16 Amphenol Corporation Electrical connector and cable termination system
US6104602A (en) * 1997-07-31 2000-08-15 General Electric Company Compact electrical equipment enclosure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5277105A (en) * 1992-05-29 1994-01-11 Middleby Marshall Corporation Low profile stackable conveyor oven
US5882226A (en) * 1996-07-08 1999-03-16 Amphenol Corporation Electrical connector and cable termination system
US6104602A (en) * 1997-07-31 2000-08-15 General Electric Company Compact electrical equipment enclosure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
'XLT. XLT :Oven & AVI Hood Installation & Operation Manual' XD-9010B-GA, REV 03, [Online] 07 April 2011, pages 1 - 106 Retrieved from the Internet: <URL:http://xltovens.com/wp-contenUuploads/manuals/XD-9010B-GA.pdf> [retrieved on 2013-05-01] *

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