US20090223505A1 - Slide rack - Google Patents
Slide rack Download PDFInfo
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- US20090223505A1 US20090223505A1 US12/260,616 US26061608A US2009223505A1 US 20090223505 A1 US20090223505 A1 US 20090223505A1 US 26061608 A US26061608 A US 26061608A US 2009223505 A1 US2009223505 A1 US 2009223505A1
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- rack
- cooking
- oven
- base
- accordance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
Definitions
- the present invention relates to oven-related products and, more particularly, products in the form of oven racks having one portion of the rack capable of sliding relative to another portion of the rack.
- oven racks are well known in the industry.
- steel wire oven racks are often manufactured from a steel rod which is drawn, so as to form steel wire.
- These oven racks formed of steel wire products can be coated with various types of materials.
- oven racks and other oven-related articles can be manufactured from products other than steel.
- any type of oven rack or similar product which is positioned within an oven cavity during use must be capable of withstanding normal cooking temperatures.
- the oven racks and other oven-related articles located within the oven itself must be capable of being subjected to and withstanding temperatures which substantially exceed normal cooking temperatures.
- steel wire oven racks may be subjected to temperatures above 900° F. associated with self cleaning cycles, common in today's kitchen ovens.
- the oven racks can be positioned at various vertically disposed positions, and be adjustable among the same. With the oven racks positioned as desired at various vertically adjusted locations, the oven racks often “slide” on brackets positioned on the lateral sides of the oven cavity. These brackets or “ledges” may be separately manufactured and assembled components from the surfaces of the oven cavity and oven racks or, alternatively, may be integrated into the lateral surfaces of the oven cavity.
- Oven racks can also be constructed of two pieces, where one piece is in the form of a slidable rack, and is capable of extension or retraction relative to a base rack.
- the base rack can interact with the ledges or lining of the interior cavity of the oven or range to form a support base for the cooking rack.
- ball bearing configurations for purposes of achieving extension capability.
- the use of ball bearings or similar elements is relatively expensive.
- oven racks exist having extension capabilities and using ball bearings or “wire on oven liner” relationships to facilitate extension.
- an oven rack system for use in a cooking environment, such as an oven cavity.
- the system includes a base rack adapted to be horizontally positioned within the cavity, and further adapted to be maintained in a stationary position.
- a cooking rack is adapted to be engaged with the base rack and further adapted to support items to be cooked.
- the cooking rack is sized and structured so as to be manually extendable and retractable relative to the base rack, in the absence of ball bearings, rollers or other rotatable or rolling elements engaged between the base rack and the cooking rack.
- the base rack and the cooking rack can be composed of formed steel wire products.
- components of the cooking rack and the base rack can be composed of formed steel wire products and formed sheet metal components, respectively.
- the oven rack system can include a stop mechanism, for limiting the extension of the cooking rack relative to the base rack.
- the cooking rack can include a handle for facilitating manual manipulation of the rack, when extending or retracting the rack relative to the base rack.
- the oven rack system can include means for limiting rearward movement of food items placed on the cooking rack.
- the base rack can be adapted to be positioned on ledges, rails or other protrusions associated with an inner liner of the oven cavity.
- the base rack can include a series of transverse supports.
- a plurality of lateral supports can extend horizontally from a front to a back of the base rack.
- the lateral supports can be secured to the transverse supports.
- Each of the lateral supports can be coupled to a corresponding outer lateral brace through a forward connection.
- the base rack can include a plurality of angled pieces extending between outer lateral braces and a rear brace. The angled configuration can assist in preventing items placed on the cooking rack from falling off of the rack over the rear brace.
- the cooking rack can include a series of opposing lugs comprising upstanding members.
- the cooking rack can also include a front brace, having opposing left and right side portions, providing a forward bracing means for the cooking rack.
- a handle can be integrated with the front brace.
- ends of the rear brace of the cooking rack extend outwardly and under lateral angled pieces of the base rack.
- Lugs extend upwardly adjacent lateral angled braces of the base rack, and are intermediate to angled pieces and outer lateral braces of the base rack.
- the oven rack system includes a means for preventing the cooking rack from inadvertent cantilever relative to the base rack, when the cooking rack is in an extended position.
- the cooking rack can include a series of lateral braces
- the base rack can include a series of lower lateral supports. When the cooking rack is extended or retracted relative to the base rack, the lateral braces of the cooking rack ride on lower lateral supports of the base rack.
- the oven rack system includes a plurality of formed sheet metal channels, with the cooking rack riding in the channels.
- Each of the formed sheet metal channels includes at least one detent positioned between ends of the channels.
- FIG. 1 is a plan view of a two piece oven rack in accordance with the invention
- FIG. 2 is a front elevation view of the oven rack shown in FIG. 1 ;
- FIG. 3 is a plan view of the oven rack shown in FIG. 1 , but with the cooking rack in an extended state;
- FIG. 4 is a front elevation view of the oven rack in the extended state, as shown in FIG. 3 ;
- FIG. 5 is a side elevation view of the oven rack shown in FIG. 3 , in an extended state;
- FIG. 6 is a rear elevation view of the cooking rack of the oven rack shown in FIG. 1 ;
- FIG. 7 is a plan view of the cooking rack shown in FIG. 6 ;
- FIG. 8A is a front elevation view of the cooking rack shown in FIG. 7 ;
- FIG. 8B is a side elevation view of the cooking rack shown in FIG. 7 ;
- FIG. 9 is a rear elevation view of the base rack of the two piece oven rack shown in FIG. 1 ;
- FIG. 10 is a plan view of the base rack shown in FIG. 9 ;
- FIG. 11 is a front elevation view of the base rack shown in FIG. 10 ;
- FIG. 12 is a side elevation view of the base rack shown in FIG. 10 ;
- FIG. 13 is a plan view of a second embodiment of a two piece oven rack in accordance with the invention, with the rack utilizing sheet metal components;
- FIG. 14 is a front elevation view of the oven rack shown in FIG. 13 ;
- FIG. 15 is a plan view of the oven rack shown in FIG. 13 , but with the cooking rack in an extended state;
- FIG. 16 is a front elevation view of the oven rack shown in FIG. 15 , in the extended state;
- FIG. 17 is a side elevation view of the oven rack shown in FIG. 15 , in an extended state;
- FIG. 18 is a rear elevation view of the cooking rack shown in the oven rack of FIG. 13 ;
- FIG. 19 is a plan view of the cooking rack shown in FIG. 18 ;
- FIG. 20A is a front elevation view of the cooking rack shown in FIG. 19 ;
- FIG. 20B is a side elevation view of the cooking rack shown in FIG. 19 ;
- FIG. 21 is a rear elevation view of the base rack of the oven rack shown in FIG. 13 ;
- FIG. 22 is a plan view of the base rack shown in FIG. 21 ;
- FIG. 23 is a front elevation view of the base rack shown in FIG. 22 ;
- FIG. 24 is a side elevation view of the base rack shown in FIG. 22 .
- the principles of the invention are disclosed, by way of example, in two embodiments of “oven rack systems” referred to herein as two piece oven racks as described herein and illustrated in FIGS. 1-24 .
- the primary concept of the invention relates to the use of an oven rack having a cooking rack and a base rack, where the cooking rack may be slidably extended or retracted relative to the base rack, without the necessity of ball bearings or other expensive components.
- the two piece oven rack 100 includes a cooking rack 102 (shown in a stand alone configuration in FIGS. 7-8B ) and a base rack 104 (shown in a stand alone configuration in FIGS. 9-12 ).
- the rack 104 includes an elongated rear brace 106 which extends horizontally along the back of the base rack 104 .
- the elongated rear brace will be positioned adjacent the rear of the oven cavity.
- the base rack 104 is adapted to remain stationary and may be positioned on ledges or other protrusions associated with the inner liners of the oven cavities.
- a pair of transverse supports 108 Parallel to the rear brace 106 and extending transversely across the base rack 104 near its middle and substantially near its front are a pair of transverse supports 108 .
- a pair of lateral supports 110 are also provided.
- the lateral supports 110 extend horizontally from the front to the back of the base rack 104 .
- the lateral supports 110 are welded or otherwise secured to the outer lateral supports 110 .
- Each of the lateral supports 110 is coupled to a corresponding outer lateral brace 114 through a forward connection 112 .
- the outer lateral braces 114 and the lateral supports 110 are horizontally disposed and essentially parallel to each other.
- Also associated with the base rack 104 are a pair of angled pieces 118 which extend between the outer lateral braces 114 and the rear brace 106 .
- the angled configuration of the pieces 118 assist in preventing items placed on the cooking rack 102 from falling off of the rack 102 over the rear brace 106 .
- the base rack 104 can be manufactured in a conventional manner of steel wire products or the like.
- the two piece oven rack 100 also includes a cooking rack 102 .
- the cooking rack 102 is adapted to slide on and be extendable relative to the base rack 104 .
- the base rack 104 includes an elongated rear brace 130 which is positioned adjacent the rear of the oven cavity when the cooking rack 102 is in its retracted and normal position within the oven cavity (not shown).
- the rear brace 130 and other components of the cooking rack 102 can be manufactured in a conventional manner of steel wire products or the like.
- lateral braces 132 Interconnected or otherwise integral with the rear brace 130 are a pair of lateral braces 132 , with one positioned on the right side of the cooking rack 102 and the other one positioned on the outer left side of the cooking rack 102 .
- Each of the lateral braces 162 extend perpendicular to the rear brace 130 and extend between the forward and rear sections of the cooking rack 102 .
- These lateral braces 132 essentially act as support braces for other elements of the cooking rack 102 .
- Each of the lateral braces 132 is parallel to the other one of the lateral braces 132 .
- lugs 134 At the rear portion of the cooking rack 102 , and connected in any suitable manner to the rear brace 130 , are a pair of opposing lugs 134 .
- the lugs include upstanding members which are primarily shown in FIGS. 7 , 8 A and 8 B.
- a series of parallel and longitudinally extending elongated support members 136 Positioned intermediate the pair of opposing lateral braces 132 are a series of parallel and longitudinally extending elongated support members 136 . These support members 136 act as principal support members of the cooking rack 102 for supporting items to be heated and cooked within the oven cavity (not shown). The rear ends of the support members 136 are connected to the rear brace 130 by suitable means, such as spot welding or the like.
- the cooking rack 102 includes a cross member 138 positioned substantially near the middle between the front and rear portions of the cooking rack 102 . Still further, the cooking rack 102 includes a pair of angled pieces 140 extending between the lateral braces 132 and the rear brace 130 . The angled configuration of the pieces 140 assists in preventing items placed on the support members 136 from falling off of the cooking rack 102 over the rear brace 130 .
- the cross member 138 extends perpendicular to the pair of opposing lateral braces 132 .
- the cross member 138 provides for additional support for items placed on the cooking rack 102 for purposes of heating or cooking.
- the cross member 138 may be connected to the support members 136 and lateral braces 132 in any conventional manner. For example, spot welding may be utilized.
- the cooking rack 102 also includes a front brace 142 .
- the front brace 142 includes left and right side portions, providing a forward bracing means for the cooking rack 102 .
- the cooking rack 102 may include a handle 144 .
- the handle 144 may be interconnected to the front brace 142 (and, in fact, form a part thereof) and certain of the support members 136 .
- the handle 144 is described in U.S. Provisional Patent Application Serial No. 60/496,885.
- the oven rack 100 is illustrated with the cooking rack 102 in a retracted position on the base rack 104 in FIGS. 1 and 2 .
- the cooking rack is essentially supported by the base rack 104 .
- the ends of the rear brace 130 of the cooking rack 102 extend outwardly and under the lateral angled braces 116 of the base rack 104 .
- the lugs 134 extend upwardly adjacent the lateral angled braces 116 of the brace rack 104 , and are intermediate the angled pieces 116 and the outer lateral braces 114 of the base rack 104 .
- the abutment of the lugs 134 against the angled sections of the angled braces 116 prevent any further extended movement of the cooking rack 102 .
- the lateral angled braces 116 and the lugs 134 prevent the cooking rack 102 to inadvertently “cantilever” based on forces or weight placed on the support members 136 .
- the lateral braces 132 of the cooking rack 102 essentially “ride on” the lower lateral supports 110 of the base rack 104 .
- FIGS. 13-24 A second embodiment of a slide rack in accordance with the invention is illustrated in FIGS. 13-24 , and is identified as two piece oven rack 160 .
- the two piece oven rack 160 is shown in the drawings as utilizing sheet metal components, rather than wire.
- the two piece oven rack 160 has a slightly different configuration than the two piece oven rack 100 previously described herein. Both oven racks, however, provide for extension of a cooking rack relative to a base rack, and also provide a stop mechanism for the cooking rack during extension. It should also be mentioned that the oven racks may have various finishes, including, but not limited to nickel and porcelain.
- each of the oven racks may utilize a handle or the like, including the handle identified in U.S. Provisional Patent Application Serial No. 60/496,885.
- the oven racks 100 and 160 may be utilized in conventional ovens, traditional household ranges, commercial ovens, barbeque grills and similar structures.
- the two piece oven rack 160 includes a base rack 161 and a cooking rack 163 .
- the base rack 161 is composed of formed sheet metal components.
- the base rack 161 includes a rear brace 162 extending across the rear of the base rack 161 in a horizontally disposed manner.
- the rear brace 162 will be positioned adjacent the rear of an oven liner or the like.
- the base rack 161 includes a pair of transverse supports 164 extending parallel to the rear brace 162 .
- Rear brace 162 and transverse supports 164 are connected to lower lateral supports 168 , which extend between the forward and rear ends of the base rack 161 .
- the lower lateral supports 168 form into each of a pair of outer lateral braces 172 .
- a pair of angled pieces 178 extend between the outer lateral braces 172 and the rear brace 162 , for purposes of providing somewhat of a “back stop” for food items which will be placed on the cooking rack 163 .
- the base rack 161 further includes a pair of horizontally disposed and formed sheet metal channels 174 .
- One of each of the and formed sheet metal channels 174 is positioned on a lateral side of the base rack 161 . As shown primarily in FIGS.
- each of the and formed sheet metal channels 174 includes a detent 176 positioned substantially intermediate the ends of the and formed sheet metal channels 174 .
- the detents 176 act as “stops” for extension of the cooking rack 163 .
- the cooking rack 163 associated with the two piece oven rack 160 has a configuration substantially similar to the cooking rack 102 previously described herein. However, these respective cooking racks differ in that the cooking rack 102 includes the previously described set of lugs 134 positioned at the rear portion of the cooking rack 102 . Accordingly, given the similarities, reference numerals illustrated in FIGS. 13-24 with respect to the cooking rack 163 correspond to like elements of the cooking rack 102 . That is, the cooking rack 102 includes a rear brace 130 and lateral braces 132 . As earlier stated, lugs 134 associated with the cooking rack 102 do not exist with respect to the cooking rack 163 . However, the cooking rack 163 also includes support members 136 and a cross member 138 . The cooking rack 163 further includes the angled pieces 140 , front brace 142 and handle 144 .
- the oven rack 160 is shown in FIG. 13 with the cooking rack 163 in a fully retracted position relative to the base rack 161 . In this position, the ends of the rear brace 130 are positioned below the upper support rods 174 of the base rack 161 . Further, the cooking rack 163 essentially rests and “rides on” the formed sheet metal channels 174 .
- the cooking rack 163 is shown in a fully extended position in FIG. 15 relative to the base rack 161 . In this position, the angled pieces 140 of the cooking rack 163 are essentially “captured” by the detents 176 in the and formed sheet metal channels 174 of the base rack 161 . This capture essentially acts as a “stop” to prevent any further extension of the cooking rack 163 relative to the base rack 161 .
- the complete structural relationship between the cooking rack 163 and the base rack 161 is further shown in FIGS. 15-24 .
- the oven racks comprise a cooking rack and a base rack.
- the base rack essentially interacts with the lining of the interior cavity of an oven or range, so as to form a support base for the cooking rack.
- the cooking rack can then be placed in the base rack with an extension feature.
- traditional extension sliding oven racks utilize costly ball bearings to achieve extension capability.
- Oven rack systems in accordance with the invention eliminate the need for ball bearings or other rotatable elements.
- oven rack systems do not require any gliding interaction between the oven rack system portions and the walls or liners of the oven cavity.
- oven racks in accordance with the invention can be adapted to fit various types and sizes of oven cavities.
- the particular oven rack embodiments described herein utilize “wire on wire” or “wire on sheet metal” relationships to facilitate extension.
- conventional and well known traditional extension racks utilize ball bearings or wire on an oven liner relationship to facilitate extension.
- oven rack systems in accordance with the invention may utilize wire, sheet metal components, or other types of arrangements on the base rack to provide for stabilization for the cooking rack.
- a stop mechanism is provided for the cooking rack during extension.
- oven racks in accordance with the invention may have various finishes and may utilize components such as handles.
- oven racks in accordance with the invention may be utilized in traditional household ranges, commercial ovens, barbeque grills and other types of cooking structures.
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Abstract
An oven rack system has a two piece oven rack (100) with a cooking rack (102) and a base rack (104). The base rack (104) is adapted to remain stationary and may be positioned on ledges or other protrusions associated with inner liners of oven cavities. In one embodiment, a pair of angled pieces (118) extend between outer lateral braces (114) and a rear brace (106). The cooking rack (102) is adapted to slide on and be extendable relative to the base rack (104). The cooking rack (102) includes angled pieces (140) extending between the lateral braces (132) and the rear brace (130). A user can exert manual forces on the cooking rack (102) so as to move the cooking rack (102) in an extended or retracted position relative to the base rack (104). The movement occurs in the absence of the requirement of any type of ball bearings, rollers, or any other rotatable or rolling elements.
Description
- Not applicable.
- Not applicable.
- Not applicable.
- 1. Field of the Invention
- The present invention relates to oven-related products and, more particularly, products in the form of oven racks having one portion of the rack capable of sliding relative to another portion of the rack.
- 2. Background Art
- Various types of oven racks are well known in the industry. For example, steel wire oven racks are often manufactured from a steel rod which is drawn, so as to form steel wire. These oven racks formed of steel wire products can be coated with various types of materials. Also, oven racks and other oven-related articles can be manufactured from products other than steel. Of course, any type of oven rack or similar product which is positioned within an oven cavity during use must be capable of withstanding normal cooking temperatures. In addition, for ovens which employ self-cleaning cycles, the oven racks and other oven-related articles located within the oven itself must be capable of being subjected to and withstanding temperatures which substantially exceed normal cooking temperatures. For example, steel wire oven racks may be subjected to temperatures above 900° F. associated with self cleaning cycles, common in today's kitchen ovens.
- One difficulty which has existed for a number of years in the industry relates to manual manipulation of oven racks. In many conventional ovens, the oven racks can be positioned at various vertically disposed positions, and be adjustable among the same. With the oven racks positioned as desired at various vertically adjusted locations, the oven racks often “slide” on brackets positioned on the lateral sides of the oven cavity. These brackets or “ledges” may be separately manufactured and assembled components from the surfaces of the oven cavity and oven racks or, alternatively, may be integrated into the lateral surfaces of the oven cavity.
- Oven racks can also be constructed of two pieces, where one piece is in the form of a slidable rack, and is capable of extension or retraction relative to a base rack. The base rack can interact with the ledges or lining of the interior cavity of the oven or range to form a support base for the cooking rack. It is known to utilize ball bearing configurations for purposes of achieving extension capability. However, the use of ball bearings or similar elements is relatively expensive. In the prior art, oven racks exist having extension capabilities and using ball bearings or “wire on oven liner” relationships to facilitate extension.
- In accordance with the invention, an oven rack system is provided for use in a cooking environment, such as an oven cavity. The system includes a base rack adapted to be horizontally positioned within the cavity, and further adapted to be maintained in a stationary position. A cooking rack is adapted to be engaged with the base rack and further adapted to support items to be cooked. The cooking rack is sized and structured so as to be manually extendable and retractable relative to the base rack, in the absence of ball bearings, rollers or other rotatable or rolling elements engaged between the base rack and the cooking rack.
- During extension and retraction of the cooking rack relative to the base rack, certain elements of the cooking rack are in sliding engagement with certain other elements of the base rack. The base rack and the cooking rack can be composed of formed steel wire products. Alternatively, components of the cooking rack and the base rack can be composed of formed steel wire products and formed sheet metal components, respectively.
- The oven rack system can include a stop mechanism, for limiting the extension of the cooking rack relative to the base rack. The cooking rack can include a handle for facilitating manual manipulation of the rack, when extending or retracting the rack relative to the base rack.
- The oven rack system can include means for limiting rearward movement of food items placed on the cooking rack. The base rack can be adapted to be positioned on ledges, rails or other protrusions associated with an inner liner of the oven cavity.
- The base rack can include a series of transverse supports. A plurality of lateral supports can extend horizontally from a front to a back of the base rack. The lateral supports can be secured to the transverse supports. Each of the lateral supports can be coupled to a corresponding outer lateral brace through a forward connection. The base rack can include a plurality of angled pieces extending between outer lateral braces and a rear brace. The angled configuration can assist in preventing items placed on the cooking rack from falling off of the rack over the rear brace.
- The cooking rack can include a series of opposing lugs comprising upstanding members. The cooking rack can also include a front brace, having opposing left and right side portions, providing a forward bracing means for the cooking rack. A handle can be integrated with the front brace.
- When the cooking rack is in a retracted position on the base rack, ends of the rear brace of the cooking rack extend outwardly and under lateral angled pieces of the base rack. Lugs extend upwardly adjacent lateral angled braces of the base rack, and are intermediate to angled pieces and outer lateral braces of the base rack. When manual forces are exerted on a front of the cooking rack, so as to move the cooking rack in an extended movement, the rear brace of the cooking rack is positioned so that it remains below the lateral angled brace of the base rack, with the lugs being adjacent the angled braces. As the cooking rack is further extended to a fully extended position, abutment of the lugs against the angled sections of the angled braces prevent any further extended movement of the cooking rack.
- Still further, the oven rack system includes a means for preventing the cooking rack from inadvertent cantilever relative to the base rack, when the cooking rack is in an extended position. The cooking rack can include a series of lateral braces, and the base rack can include a series of lower lateral supports. When the cooking rack is extended or retracted relative to the base rack, the lateral braces of the cooking rack ride on lower lateral supports of the base rack.
- In accordance with another aspect of the invention, the oven rack system includes a plurality of formed sheet metal channels, with the cooking rack riding in the channels. Each of the formed sheet metal channels includes at least one detent positioned between ends of the channels. When the cooking rack is extended relative to the base rack, angled pieces of the cooking rack are captured by the detents in the channels, thus preventing further extension of the cooking rack relative to the base rack.
- The invention will now be described with respect to the drawings, in which:
-
FIG. 1 is a plan view of a two piece oven rack in accordance with the invention; -
FIG. 2 is a front elevation view of the oven rack shown inFIG. 1 ; -
FIG. 3 is a plan view of the oven rack shown inFIG. 1 , but with the cooking rack in an extended state; -
FIG. 4 is a front elevation view of the oven rack in the extended state, as shown inFIG. 3 ; -
FIG. 5 is a side elevation view of the oven rack shown inFIG. 3 , in an extended state; -
FIG. 6 is a rear elevation view of the cooking rack of the oven rack shown inFIG. 1 ; -
FIG. 7 is a plan view of the cooking rack shown inFIG. 6 ; -
FIG. 8A is a front elevation view of the cooking rack shown inFIG. 7 ; -
FIG. 8B is a side elevation view of the cooking rack shown inFIG. 7 ; -
FIG. 9 is a rear elevation view of the base rack of the two piece oven rack shown inFIG. 1 ; -
FIG. 10 is a plan view of the base rack shown inFIG. 9 ; -
FIG. 11 is a front elevation view of the base rack shown inFIG. 10 ; -
FIG. 12 is a side elevation view of the base rack shown inFIG. 10 ; -
FIG. 13 is a plan view of a second embodiment of a two piece oven rack in accordance with the invention, with the rack utilizing sheet metal components; -
FIG. 14 is a front elevation view of the oven rack shown inFIG. 13 ; -
FIG. 15 is a plan view of the oven rack shown inFIG. 13 , but with the cooking rack in an extended state; -
FIG. 16 is a front elevation view of the oven rack shown inFIG. 15 , in the extended state; -
FIG. 17 is a side elevation view of the oven rack shown inFIG. 15 , in an extended state; -
FIG. 18 is a rear elevation view of the cooking rack shown in the oven rack ofFIG. 13 ; -
FIG. 19 is a plan view of the cooking rack shown inFIG. 18 ; -
FIG. 20A is a front elevation view of the cooking rack shown inFIG. 19 ; -
FIG. 20B is a side elevation view of the cooking rack shown inFIG. 19 ; -
FIG. 21 is a rear elevation view of the base rack of the oven rack shown inFIG. 13 ; -
FIG. 22 is a plan view of the base rack shown inFIG. 21 ; -
FIG. 23 is a front elevation view of the base rack shown inFIG. 22 ; and -
FIG. 24 is a side elevation view of the base rack shown inFIG. 22 . - The principles of the invention are disclosed, by way of example, in two embodiments of “oven rack systems” referred to herein as two piece oven racks as described herein and illustrated in
FIGS. 1-24 . The primary concept of the invention relates to the use of an oven rack having a cooking rack and a base rack, where the cooking rack may be slidably extended or retracted relative to the base rack, without the necessity of ball bearings or other expensive components. - More specifically, and first with respect to
FIGS. 1-12 , a first embodiment of a twopiece oven rack 100 is illustrated in accordance with the invention. The twopiece oven rack 100 includes a cooking rack 102 (shown in a stand alone configuration inFIGS. 7-8B ) and a base rack 104 (shown in a stand alone configuration inFIGS. 9-12 ). Referring specifically to thebase rack 104, therack 104 includes an elongatedrear brace 106 which extends horizontally along the back of thebase rack 104. The elongated rear brace will be positioned adjacent the rear of the oven cavity. It should be emphasized that thebase rack 104 is adapted to remain stationary and may be positioned on ledges or other protrusions associated with the inner liners of the oven cavities. - Parallel to the
rear brace 106 and extending transversely across thebase rack 104 near its middle and substantially near its front are a pair of transverse supports 108. Correspondingly, a pair oflateral supports 110 are also provided. The lateral supports 110 extend horizontally from the front to the back of thebase rack 104. The lateral supports 110 are welded or otherwise secured to the outer lateral supports 110. - Each of the lateral supports 110 is coupled to a corresponding outer
lateral brace 114 through aforward connection 112. As shown in the drawings, the outer lateral braces 114 and the lateral supports 110 are horizontally disposed and essentially parallel to each other. Also associated with thebase rack 104 are a pair ofangled pieces 118 which extend between the outer lateral braces 114 and therear brace 106. The angled configuration of thepieces 118 assist in preventing items placed on thecooking rack 102 from falling off of therack 102 over therear brace 106. In the particular embodiment of thebase rack 104 illustrated inFIGS. 1-12 , thebase rack 104 can be manufactured in a conventional manner of steel wire products or the like. - As shown in
FIGS. 1 , 2 and 6-8B, the twopiece oven rack 100 also includes acooking rack 102. Thecooking rack 102 is adapted to slide on and be extendable relative to thebase rack 104. With reference to the drawings, thebase rack 104 includes an elongatedrear brace 130 which is positioned adjacent the rear of the oven cavity when thecooking rack 102 is in its retracted and normal position within the oven cavity (not shown). Therear brace 130 and other components of thecooking rack 102 can be manufactured in a conventional manner of steel wire products or the like. - Interconnected or otherwise integral with the
rear brace 130 are a pair of lateral braces 132, with one positioned on the right side of thecooking rack 102 and the other one positioned on the outer left side of thecooking rack 102. Each of the lateral braces 162 extend perpendicular to therear brace 130 and extend between the forward and rear sections of thecooking rack 102. These lateral braces 132 essentially act as support braces for other elements of thecooking rack 102. Each of the lateral braces 132 is parallel to the other one of the lateral braces 132. - At the rear portion of the
cooking rack 102, and connected in any suitable manner to therear brace 130, are a pair of opposinglugs 134. The lugs include upstanding members which are primarily shown inFIGS. 7 , 8A and 8B. - Positioned intermediate the pair of opposing lateral braces 132 are a series of parallel and longitudinally extending
elongated support members 136. Thesesupport members 136 act as principal support members of thecooking rack 102 for supporting items to be heated and cooked within the oven cavity (not shown). The rear ends of thesupport members 136 are connected to therear brace 130 by suitable means, such as spot welding or the like. - Further, the
cooking rack 102 includes across member 138 positioned substantially near the middle between the front and rear portions of thecooking rack 102. Still further, thecooking rack 102 includes a pair ofangled pieces 140 extending between the lateral braces 132 and therear brace 130. The angled configuration of thepieces 140 assists in preventing items placed on thesupport members 136 from falling off of thecooking rack 102 over therear brace 130. Thecross member 138 extends perpendicular to the pair of opposing lateral braces 132. Thecross member 138 provides for additional support for items placed on thecooking rack 102 for purposes of heating or cooking. Thecross member 138 may be connected to thesupport members 136 andlateral braces 132 in any conventional manner. For example, spot welding may be utilized. - In addition to the foregoing, the
cooking rack 102 also includes afront brace 142. Thefront brace 142 includes left and right side portions, providing a forward bracing means for thecooking rack 102. Still further, thecooking rack 102 may include ahandle 144. Thehandle 144 may be interconnected to the front brace 142 (and, in fact, form a part thereof) and certain of thesupport members 136. Thehandle 144 is described in U.S. Provisional Patent Application Serial No. 60/496,885. - The operation of the
oven rack 100 will now be described. Theoven rack 100 is illustrated with thecooking rack 102 in a retracted position on thebase rack 104 inFIGS. 1 and 2 . With this configuration, the cooking rack is essentially supported by thebase rack 104. In this configuration, and as shown inFIGS. 1 and 2 , the ends of therear brace 130 of thecooking rack 102 extend outwardly and under the lateral angledbraces 116 of thebase rack 104. Correspondingly, thelugs 134 extend upwardly adjacent the lateral angledbraces 116 of thebrace rack 104, and are intermediate theangled pieces 116 and the outer lateral braces 114 of thebase rack 104. When it is desired to extend thecooking rack 102 relative to thebase rack 104, manual forces can be exerted on thehandle 144 so as to move thecooking rack 102 in a “downward” direction as illustrated inFIG. 3 . With this extended movement, thecooking rack 102 essentially “slides” on thebase rack 104. As noted, therear brace 130 of thecooking rack 102 is positioned so that it remains below the lateral angledbraces 116 of thebase rack 104, with thelugs 134 adjacent the angled braces 1 16. Further, as thecooking rack 102 is shown extended to a fully extended position inFIG. 3 , the abutment of thelugs 134 against the angled sections of theangled braces 116 prevent any further extended movement of thecooking rack 102. In addition, the lateral angledbraces 116 and thelugs 134 prevent thecooking rack 102 to inadvertently “cantilever” based on forces or weight placed on thesupport members 136. Also, with this configuration, the lateral braces 132 of thecooking rack 102 essentially “ride on” the lower lateral supports 110 of thebase rack 104. - A second embodiment of a slide rack in accordance with the invention is illustrated in
FIGS. 13-24 , and is identified as twopiece oven rack 160. The twopiece oven rack 160 is shown in the drawings as utilizing sheet metal components, rather than wire. Also, the twopiece oven rack 160 has a slightly different configuration than the twopiece oven rack 100 previously described herein. Both oven racks, however, provide for extension of a cooking rack relative to a base rack, and also provide a stop mechanism for the cooking rack during extension. It should also be mentioned that the oven racks may have various finishes, including, but not limited to nickel and porcelain. Also, as previously described, each of the oven racks may utilize a handle or the like, including the handle identified in U.S. Provisional Patent Application Serial No. 60/496,885. Still further, the oven racks 100 and 160 may be utilized in conventional ovens, traditional household ranges, commercial ovens, barbeque grills and similar structures. - Referring to the two
piece oven rack 160, andFIGS. 13-24 , the twopiece oven rack 160 includes abase rack 161 and acooking rack 163. Thebase rack 161 is composed of formed sheet metal components. Referring primarily toFIGS. 21-24 , thebase rack 161 includes arear brace 162 extending across the rear of thebase rack 161 in a horizontally disposed manner. Therear brace 162 will be positioned adjacent the rear of an oven liner or the like. As with thebase rack 104, thebase rack 161 includes a pair oftransverse supports 164 extending parallel to therear brace 162.Rear brace 162 andtransverse supports 164 are connected to lower lateral supports 168, which extend between the forward and rear ends of thebase rack 161. The lower lateral supports 168 form into each of a pair of outer lateral braces 172. A pair ofangled pieces 178 extend between the outer lateral braces 172 and therear brace 162, for purposes of providing somewhat of a “back stop” for food items which will be placed on thecooking rack 163. Thebase rack 161 further includes a pair of horizontally disposed and formedsheet metal channels 174. One of each of the and formedsheet metal channels 174 is positioned on a lateral side of thebase rack 161. As shown primarily inFIGS. 22 and 24 , each of the and formedsheet metal channels 174 includes adetent 176 positioned substantially intermediate the ends of the and formedsheet metal channels 174. As will be described in subsequent paragraphs herein, thedetents 176 act as “stops” for extension of thecooking rack 163. - The
cooking rack 163 associated with the twopiece oven rack 160 has a configuration substantially similar to thecooking rack 102 previously described herein. However, these respective cooking racks differ in that thecooking rack 102 includes the previously described set oflugs 134 positioned at the rear portion of thecooking rack 102. Accordingly, given the similarities, reference numerals illustrated inFIGS. 13-24 with respect to thecooking rack 163 correspond to like elements of thecooking rack 102. That is, thecooking rack 102 includes arear brace 130 and lateral braces 132. As earlier stated, lugs 134 associated with thecooking rack 102 do not exist with respect to thecooking rack 163. However, thecooking rack 163 also includessupport members 136 and across member 138. Thecooking rack 163 further includes theangled pieces 140,front brace 142 and handle 144. - The operation of the
oven rack 160 will now be described. Theoven rack 160 is shown inFIG. 13 with thecooking rack 163 in a fully retracted position relative to thebase rack 161. In this position, the ends of therear brace 130 are positioned below theupper support rods 174 of thebase rack 161. Further, thecooking rack 163 essentially rests and “rides on” the formedsheet metal channels 174. Thecooking rack 163 is shown in a fully extended position inFIG. 15 relative to thebase rack 161. In this position, theangled pieces 140 of thecooking rack 163 are essentially “captured” by thedetents 176 in the and formedsheet metal channels 174 of thebase rack 161. This capture essentially acts as a “stop” to prevent any further extension of thecooking rack 163 relative to thebase rack 161. The complete structural relationship between thecooking rack 163 and thebase rack 161 is further shown inFIGS. 15-24 . - In accordance with the foregoing, two piece oven racks have been shown which allow a cooking rack to slide or achieve extension relative to a base rack, for easier handling of and access to items being placed in and out of an oven or range. As described, the oven racks comprise a cooking rack and a base rack. The base rack essentially interacts with the lining of the interior cavity of an oven or range, so as to form a support base for the cooking rack. The cooking rack can then be placed in the base rack with an extension feature. As also previously described, traditional extension sliding oven racks utilize costly ball bearings to achieve extension capability. Oven rack systems in accordance with the invention eliminate the need for ball bearings or other rotatable elements. Also, the oven rack systems do not require any gliding interaction between the oven rack system portions and the walls or liners of the oven cavity. Further, oven racks in accordance with the invention can be adapted to fit various types and sizes of oven cavities. The particular oven rack embodiments described herein utilize “wire on wire” or “wire on sheet metal” relationships to facilitate extension. As previously described, conventional and well known traditional extension racks utilize ball bearings or wire on an oven liner relationship to facilitate extension.
- As also described herein, the oven rack systems in accordance with the invention may utilize wire, sheet metal components, or other types of arrangements on the base rack to provide for stabilization for the cooking rack. In addition, a stop mechanism is provided for the cooking rack during extension. Still further, oven racks in accordance with the invention may have various finishes and may utilize components such as handles. As also previously described, oven racks in accordance with the invention may be utilized in traditional household ranges, commercial ovens, barbeque grills and other types of cooking structures.
- It will be apparent to those skilled in the pertinent arts that other embodiments of oven rack systems in accordance with the invention can be designed. That is, the principles of an oven rack system are not limited to the specific embodiments described herein. Accordingly, it will be apparent to those skilled in the art that modifications and other variations of the above-described illustrative embodiments of the invention may be effected without departing from the spirit and scope of the novel concepts of the invention.
Claims (21)
1. An oven rack system adapted for use in a cooking environment, such as an oven cavity, said oven rack comprising:
a base rack adapted to be horizontally positioned within said oven cavity, and further adapted to be maintained in a stationary position;
a cooking rack adapted to be engaged with said base rack and further adapted to support items to be cooked; and
said cooking rack is sized and structured so as to be manually extendable and retractable relative to said base rack, in the absence of ball bearings, rollers, or other rotatable or rolling elements engaged between said base rack and said cooking rack.
2. An oven rack system in accordance with claim 1 , characterized in that said cooking rack is extendable and retractable in the absence of any gliding movement of any portion of said oven rack system on walls or liners of said cavity, or other dynamic frictional interaction between said oven rack portions and said walls or liners.
3. An oven rack system in accordance with claim 1 , characterized in that during extension and retraction of said cooking rack relative to said base rack, certain elements of said cooking rack are in a sliding engagement with certain other elements of said base rack.
4. An oven rack system in accordance with claim 1 , characterized in that components of said base rack and said cooking rack are formed of steel wire products.
5. An oven rack system in accordance with claim 1 , characterized in that components of said base rack and said cooking rack are composed of formed steel wire products and formed sheet metal components.
6. An oven rack system in accordance with claim 1 , characterized in that said oven rack system comprises a stop mechanism for limiting the extension of said cooking rack relative to said base rack.
7. An oven rack system in accordance with claim 1 , characterized in that said cooking rack further comprises a handle for facilitating manual manipulation of said cooking rack when extending or retracting said cooking rack relative to said base rack.
8. An oven rack system in accordance with claim 1 , characterized in that said oven rack system further comprises means for limiting rearward movement of food items placed on said cooking rack.
9. An oven rack system in accordance with claim 1 , characterized in that said base rack is adapted to be positioned on ledges or other protrusions associated with an inner liner of said oven cavity.
10. An oven rack system in accordance with claim 1 , characterized in that said base rack comprises:
a plurality of transverse supports; and
a plurality of lateral supports extending horizontally from a front to a back of said base rack, said lateral supports being secured to said transverse supports.
11. An oven rack system in accordance with claim 10 , characterized in that:
each of said lateral supports is coupled to a corresponding outer lateral brace through a forward connection; and
said base rack further comprises a plurality of angled pieces extending between outer lateral braces and a rear brace, said angled configuration assisting in preventing items placed on said cooking rack from falling off of said rack over said rear brace.
12. An oven rack system in accordance with claim 1 , characterized in that said cooking rack comprises:
a rear brace positioned adjacent a rear portion of said base rack, when said cooking rack is in a retracted position;
a plurality of lateral braces positioned on sides of said cooking rack, and extending between forward and rear sections of said cooking rack, said lateral braces acting as support braces for other elements of said cooking rack;
a plurality of opposing lugs comprising upstanding members; and
a plurality of elongated support members acting as principal support elements of said cooking rack for supporting items to be cooked on said cooking rack.
13. An oven rack system in accordance with claim 12 , characterized in that said cooking rack further comprises a plurality of angled pieces extending between said lateral braces and said rear brace, said angled configuration assisting in preventing items placed on said support members from falling off of said cooking rack over said rear brace.
14. An oven rack system in accordance with claim 13 , characterized in that said cooking rack further comprises:
a front brace having opposing left and right side portions, providing a forward bracing means for said cooking rack; and
a handle integrated with said front brace.
15. An oven rack system in accordance with claim 1 , characterized in that:
when said oven rack is in a retracted position on said base rack, ends of a rear brace of said cooking rack extend outwardly and under lateral angled braces of said base rack, and lugs extend upwardly adjacent lateral angled braces of said base rack, and are intermediate to angled pieces and outer lateral braces of said base rack; and
when manual forces are exerted on a front of said cooking rack so as to move said cooking rack in an extended movement, said rear brace of said cooking rack is positioned so that it remains below said lateral angled braces of said base rack, with said lugs being adjacent said angled braces of said base rack.
16. An oven rack system in accordance with claim 15 , characterized in that as said cooking rack is further extended to a fully extended position, abutment of said lugs against angled sections of said angled braces of said base rack prevent any further extended movement of said cooking rack.
17. An oven rack system in accordance with claim 1 , characterized in that said oven rack comprises means for preventing said cooking rack from inadvertent cantilever relative to said base rack, when said cooking rack is in an extended position and based on forces or weight placed on support members of said cooking rack.
18. An oven rack system in accordance with claim 1 , characterized in that:
said cooking rack comprises a plurality of lateral braces;
said base rack comprises a plurality of lower lateral supports; and
when said cooking rack is extended or retracted relative to said base rack, said lateral braces of said cooking rack ride on said lower lateral supports of said base rack.
19. An oven rack system in accordance with claim 1 , characterized in that said oven rack system further comprises a plurality of formed sheet metal channels, with said cooking rack riding in said formed sheet metal channels.
20. An oven rack system in accordance with claim 19 , characterized in that each of said formed sheet metal channels includes at least one detent positioned between ends of said channels.
21. An oven rack system in accordance with claim 20 , characterized in that when said cooking rack is extended relative to said base rack, angled pieces of said cooking rack are captured by said detents in said channels of said base rack, thus preventing further extension of said cooking rack relative to said base rack.
Priority Applications (2)
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US12/260,616 US20090223505A1 (en) | 2005-02-23 | 2008-10-29 | Slide rack |
US13/374,042 US9052118B2 (en) | 2004-02-20 | 2011-12-08 | Slide rack |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US11/065,119 US20060185661A1 (en) | 2005-02-23 | 2005-02-23 | Slide rack |
US12/260,616 US20090223505A1 (en) | 2005-02-23 | 2008-10-29 | Slide rack |
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US13/374,042 Continuation US9052118B2 (en) | 2004-02-20 | 2011-12-08 | Slide rack |
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US13/374,042 Active US9052118B2 (en) | 2004-02-20 | 2011-12-08 | Slide rack |
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US11585540B2 (en) * | 2018-04-03 | 2023-02-21 | Lg Electronics Inc. | Cooking device |
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US8926035B2 (en) | 2013-02-25 | 2015-01-06 | General Electric Company | Shelf support assembly for a ribbed appliance cavity |
US20150184868A1 (en) * | 2014-01-02 | 2015-07-02 | General Electric Company | Removable shelf support assembly for oven appliance |
USD814189S1 (en) | 2016-03-04 | 2018-04-03 | Clairson, Inc. | Basket |
US9596931B1 (en) * | 2016-04-18 | 2017-03-21 | Clairson, Inc. | Basket and rail assemblies |
USD845746S1 (en) | 2016-04-18 | 2019-04-16 | Clairson, Inc. | Basket holder |
US10663177B2 (en) | 2018-08-30 | 2020-05-26 | Midea Group Co., Ltd. | Extending rack for a cooking appliance |
US12035845B1 (en) | 2023-04-26 | 2024-07-16 | Sharkninja Operating Llc | Systems and methods for cooking pizza |
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US20120145141A1 (en) | 2012-06-14 |
US20060185661A1 (en) | 2006-08-24 |
US9052118B2 (en) | 2015-06-09 |
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