US20090191322A1 - Rotisserie Oven Having Horizontally and Vertically Oriented Cooking Elements - Google Patents

Abstract

Indoor use rotisserie ovens which have construction features and scale which make the cleaning process easier. Shown are indoor use rotisserie ovens which also may rotate cooking foods about either a horizontal or vertical axis, which makes their applications more versatile. Construction features include: a scale appropriate for cleaning in a typical kitchen sink, use of removable electrical components, and single oven wall construction, all to allow easy cabinet cleaning. Also shown is a locking tab manufacturing detail which creates an inexpensive, light weight, oven cavity, which is easy to clean and also permits oven cavity washing and/or immersion in water. This manufacturing detail also is easy to handle by the end-user without projecting sharp edges. Self lubricated spit assembly axles are shown as well to help deaden sound.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS
• This application is a continuation of U.S. patent application Ser. No. 11/274,516 filed Nov. 15, 2005, now U.S. Pat. No. 7,514,651, which is a continuation of U.S. patent application Ser. No. 10/945,232 filed Sep. 20, 2004, now U.S. Pat. No. 6,965,095, both of which are specifically incorporated herein by reference in their entirety.
BACKGROUND OF THE INVENTION
• The present invention is directed toward food cooking ovens. More particularly, the present invention is directed to rotisserie ovens having horizontally and vertically oriented cooking elements.
• Indoor household use rotisserie ovens are in wide use in the United States. Because most use hot electrical elements to radiantly cook foods such as meats, fish, foul, and vegetables; they commonly share cleaning problems associated with splattering, vaporizing, and recondensing of greases and oils. Cleaning typically is made yet more difficult by the presence of hard-to-reach areas such as nooks and crannies around heating elements. Further, grease may condense between inner and outer oven walls and in other inaccessible areas, potentially creating unpleasant odors and breeding grounds for bacteria.
• Part of the problem is that most of these devices have twin, inner and outer, oven wall construction. Such construction does not allow these devices to be immersed in water for cleaning because water would collect in the spaces between the inner and outer walls. Immersion in water for cleaning is also prevented by the presence of integrally connected electrical components.
• Many outdoor rotisseries have single thickness walls encasing their oven cavities. A particularly innovative embodiment of this outdoor construction uses a single thickness oven wall construction and removable electrical components. Such device relies on an outer frame to support the oven cavity and its electrical components. Consequently this device is more expensive to construct than a device which does not rely on an outer frame. In addition, the scale of this device appears to make it difficult to wash the oven cavity in a kitchen sink.
• Other problems indoor household use rotisseries have include lack of versatility. As an example, horizontal spit countertop rotisseries, are good for cooking chickens, but are inappropriate for cooking pizzas. By contrast, horizontal turntable rotisseries, may cook pizzas, but are inappropriate for chickens. And none of these devices can cook breads.
• It would be desirable to have a single device which could cook a variety of foods and overcomes the aforementioned problems.
SUMMARY OF THE INVENTION
• In accordance with the present invention, there is provided a cooking system which is able to cook a variety of foods.
• In accordance with the present invention, there is provided an indoor use. oven which has construction features and scale which make the cleaning process easier. Further, in accordance with the present invention, there is provided a cooking system which is able to rotate cooking foods about either a horizontal or vertical axis, which makes its application more versatile. The cooking system also provides apparatus for cooking breads and bread sticks. The cooking system of the present invention includes a scale appropriate for cleaning in a typical kitchen sink, use of removable electrical components and single oven wall construction, both to allow cabinet washing and/or immersion for cleaning, and a locking tab manufacturing detail which creates an inexpensive, light weight, oven cavity, which is easy to clean and also permits oven cavity washing and/or immersion in water.
• Still further, in accordance with the present invention, there is provided cooking system. The cooking system comprises housing means defining an interior chamber, the housing means including an opening adapted to receive a food product into the interior chamber. The housing means further defines a port adapted to matingly receive a removable heating element therethrough. The cooking system also comprises door means adapted to selectively seal the opening and a control box. The control box includes a control box housing and an elongated, electrical resistance heating element secured to the control box housing so as to extend outwardly from an exterior thereof. The control box also includes means adapted to selectively secure the control box housing to an exterior of the housing means such that the heating element is received through the port so as to extend into the interior chamber relatively proximate to a selected interior portion of the housing means and a motor. The control box further includes a mechanical coupling operatively engaged to the motor, which mechanical coupling is positioned so as to be adapted to provide a mechanical link therewith to an associated object disposed in the interior chamber and means adapted to selectively receive electrical energy into the at least one of the heating element and the motor.
• In a preferred embodiment, the cooking system further comprises means adapted for securing, within the interior chamber, at least one rotatable member to the mechanical coupling so as to be linked therewith such that mechanical energy from the motor is transferred to the rotatable member through the mechanical coupling. In more preferred embodiment, the rotatable member is at least one of a rotisserie and a turntable for moving food associated therewith relative to the electrical resistance element when disposed in the interior chamber.
• Preferably, the housing includes means adapted for receiving a drip pan therein, which drip pan is oriented so as to receive drippings from food disposed in the interior chamber while being heated by the heating element. In addition, the control box includes a settable timer adapted for selectively activating at least one of the rotatable member and the heating element for a selected duration.
• In a preferred embodiment, the control box includes a settable timer adapted for selectively activating at least one of the rotatable member and the heating element for a selected duration. In addition, the control box includes a lighting element adapted to project light into the interior chamber when the control box is secured to the exterior of the housing.
• Still other objects and aspects of the present invention will become readily apparent to those skilled in this art from the following description wherein there is shown and described a preferred embodiment of this invention, simply by way of illustration of one of the best modes suited for to carry out the invention. As it will be realized, the invention is capable of other different embodiments and its several details are capable of modifications in various obvious aspects all without from the invention. Accordingly, the drawing and descriptions will be regarded as illustrative in nature and not as restrictive.
BRIEF DESCRIPTION OF THE DRAWINGS
• The accompanying drawings incorporated in and forming a part of the specification, illustrate several aspects of the present invention, and together with the description serve to explain the principles of the invention. In the drawings:
• FIG. 1 is a forward, upper, right hand perspective view of a preferred embodiment of the present inventions;
• FIG. 2 is a right side perspective view of the preferred embodiment shown inFIG. 1 with a hand positioned to remove control box from oven cavity;
• FIG. 3 is a forward, lower perspective view of the preferred embodiment shown inFIG. 1, with control box being removed;
• FIG. 4 is a right side perspective view of the preferred embodiment shown inFIG. 1 with back wall and floor removed to show construction details;
• FIG. 5 is an enlargement ofFIG. 4 as indicated inFIG. 4;
• FIG. 6 is a left, upper perspective view of the preferred embodiment shown inFIG. 1 with its door slid under the oven cavity and vertical axis turntable being installed;
• FIG. 7 is the same view as shown inFIG. 6 with turntable fully installed;
• FIG. 8 is the same view as shown inFIG. 6 but with reflector installed;
• FIG. 9 is the same embodiment shown inFIG. 8 but taken from a lower viewpoint;
• FIG. 10 is a perspective view of the same embodiment shown inFIGS. 6 to 9 but with different turntable; and
• FIG. 11 shows an upper left perspective view of part of spit assembly with the left axle exploded.
• FIG. 12 shows a perspective view of a spit assembly used to cook bread and other farinaceous products.
• FIG. 13 is a perspective view of the spit assembly shown inFIG. 12 with one end removed.
• FIG. 14 is a perspective view of a spit assembly used to cook multiple breads and other farinaceous products simultaneously.
• FIG. 15 is a perspective view of the spit assembly shown inFIG. 14, but with both end portions removed.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
• The present invention is directed to rotisserie ovens having horizontally and vertically oriented cooking elements. Referring toFIG. 1, a preferred embodiment of the present invention is shown. The cooking system of the present invention is a metal enclosure10 including an essentiallyhorizontal metal floor70 andmetal roof74, a generally vertical metal back72, and two essentially vertical side walls, leftoven wall68 andright oven wall56, and aglass door34.
• Spit assembly20 is suspended withinoven cavity28 by spit supports30.Heating element32 provides the heat to cook foods withinoven cavity28. Spit supports30 have forward rest positions88 which provide the user an easy place to set downspit assembly20 before sliding it intocooking position90. Spit supports30 as well asheater support66 are attached tooven cavity28 walls by means oftabs92 on the supports sliding intoslots94 located on the walls.
• Drip pan40 is covered by drip pan cover42, and in combination they function to catch grease and oils dripped from cooking foods. Drip pan cover42 also functions to prevent fires which might occur by limiting the amount of oxygen that can reach fats and oils contained withindrip pan40.
• In operation,door34 is lowered and slid beneath the unit as shown inFIGS. 6 to 9 described in detail below. The door is also suitably removed.
• Control box36 containscountdown timer38 which turns off operation of the unit by any suitable means at a time preset by the user.
• Feet rests44 help stabilize a warming and heating tray (not shown) which is suitably rested on top of the unit.
• Rails46 provide support for the embodiment on a countertop as well as provide tracks to slidedoor34 beneathoven cavity28.Rails46, by spacingoven cavity28 off of a countertop, help prevent excessive heat from reaching such a countertop.
• Door handles47 provide a cool, easy to grasp handle for raising and loweringdoor34. The door handles also provide protection against breakage forglass panel48 which comprises most ofdoor34. The door handles are suitably comprised of PBS or other high temperature plastic. Glass panels, including tempered glass panels, are most vulnerable to breakage when impacted on their corners or edges. Door handles46 by protruding beyond the corners, the forward and back surfaces, and the edges ofglass panel48 help protect against impact to corners and edges which might otherwise breakglass panel48. Likewise,pivot pin50 runs along the bottom ofglass panel48 and protrudes beyond both its lower corners, to provide similar protections as door handles47.
• To facilitate both cleaning and use, dimension22 is between 10½ inches and 16 inches. For similar reasons dimension24 is between 9 inches and 14 inches, anddimension26 is between 8½ inches and 14 inches. Such dimensions allow the embodiment to be cleaned in or around a kitchen sink, while still providing adequate interior space for cooking on a horizontal spit such popular foods such as: turkeys, chickens, roast beef, leg of lamb, and other common foods. It also allows a vertical axis turntable within the oven cavity which is sufficiently large to cook such foods as: pizzas, cookies, hors d'oeuvres, and other popular food items.
• As shown inFIGS. 2 and 3,control box36 is rigidly connected toheating element32, and both may be pulled away fromoven cavity28 by grippingcontrol box36 inrecesses52 and54, and simultaneously squeezinglatch58 to uncouplecontrol box36 fromright oven wall56.
• Latch58 is partially contained within upper recess52, and includesleaf spring60 which may be pressed towardlower recess54 by finger pressure. Such pressing moves cantilevered tip62 ofleaf spring60 downward (arrow53) within taperedhole64 located onright oven wall56, and thus uncoupleslatch58 fromright oven wall56. This permitscontrol box36 and rigidly attachedheating element32 to be pulled away fromright oven wall56 as shown inFIG. 3.
• Heater support66 provides support toheater element32 and rigidly attachedcontrol box36 when they are attached toright oven wall56.Heater support66 also helps prevent warpage and distortion ofheater element32 when it is cooking. Both of these benefits are partially due to the free sliding movement ofheater32 within bothupper hole80 and lower hole82 ofheater support66 which helps to compensate for expansion and contraction ofheater32 when it is heated and cooled in use.
• Heater support66 also helps direct the movement ofheater element32 and rigidly attachedcontrol box36 when they are being attached to, or removed from,right oven wall56, as shown inFIG. 3. This makes it much easier to install and removecontrol box36 fromright oven wall56.
• Also helping in this;forward pin76 andrear pin78, both of which protrude fromright rail84, project into forward hole81 andrear hole83 respectively, both holes located on the bottom ofcontrol box36. This pin-in-hole disposition also helps to supportcontrol box36 when it installed onoven cavity28.
• Ventilated heatresistant support86 which is integrally attached to controlbox36, helps reduce the amount of heat reaching the interior ofcontrol box36.
• Light112 is part ofcontrol box36 and is protected from breakage and from producing glare outside ofoven cavity28 byguard114.Light112 illuminates food being cooked withinoven cavity28.
• Left oven wall68,right oven wall56,roof74,floor70, andback wall72 may be of a single or multiple ply, and may be constructed of any appropriate material. As examples, they may be constructed from steel or aluminum or other metal or other materials such as high temperature plastics; any of which may or may not be coated with such materials as: electroplated metal, nonstick coating, paints or other finishes. They may also be fabricated using any appropriate method. As examples, they may be: stamped, drawn, molded, pressure formed, or otherwise constructed. Alternative construction techniques to those taught herein are well-known in the art and thus are not described in this document.
• As a more specific example,perimeter walls68,56,74,70, and72 may be constructed from single ply 0.022 inch thick mild steel with a nonstick coated interior and a high temperature paint coated exterior. The outer shell forcontrol box36 might be molded from 0.120 inch mean wall thickness polypropylene plastic, with ventilated heatresistant support86 constructed from stamped and drawn 0.022 inch galvanized steel painted on its exterior with heat resistant paint.
• Perimeter walls68,56,74,70, and72 might be attached together as shown inFIGS. 4 and 5. As illustrated,tabs96 slide into and become aligned withinslots98. Further,tabs96 haveresilient members100 whichlock tabs96 withinslots98 merely by pushingtabs96 intoslots98. This has advantages of being: simple, extraordinarily strong, inexpensive, accurate, and consistently repeatable in manufacture, when compared against other manufacturing methods such as welding, screwing, riveting, or drawing. It also has the advantage of producing a relatively smooth and even finish detail which may be easy to clean and which may have no or few projecting sharp edges or points.
• FIGS. 6 and 7 illustrate the installation ofvertical axis turntable104 withinoven cavity28.Drive gear106 engagesperimeter gear108 ofturntable104 to provide rotary motion toturntable104 wheneverdrive gear106 is rotating. Thus, instead ofdrive gear106 engaging gear teeth onspit assembly20 to provide horizontal axis rotisserie cooking,drive gear106 engagesperimeter gear teeth108 onturntable104 to provide vertical axis rotisserie cooking. Such versatility allows for both vertical and horizontal axis rotisserie cooking with attended advantages already stated.
• FIG. 6 shows removablestationery axil pin110 installed inoven cavity28 withturntable104 being lowered ontostationery axil pin110.FIG. 7 showsturntable104 after it has been fully installed.
• As an alternative,turntable104 could be powered by its own dedicated motor which could either be installed in the cabinet, as an example below the floor; or underturntable104. If such a motor were electrically powered, a low or high voltage electrical cord could go out around the door in the front, or go through the floor, or plug into the cabinet.
• To help in cooking,reflector116 may be introduced intooven cavity28.Reflector116 rests on spit supports30 and engagesheating element32 usingtabs118.Tabs120 engagecooking position90 to limit fore an aft movement ofreflector116.Reflector116 helps even out the heat distributed radiated ontoturntable104. Blocking/support member122 which is attached toreflector116 also helps make the heat directed ontoturntable104 even by blocking radiant heat emanating fromheating element32 which otherwise might burn food on the perimeter ofturntable104. Blocking/support member122 also connects and provides structure betweenreflector116 andtabs118.
• As already mentioned, several different foods may be cooked onturntable104. As examples, and not by way of any limitation, pizzas, cookies, cake layers, and hors d'oeuvres may all be cooked as well as many others known to those in the art. As further examples, and not by way of any limitation, American pancakes and flapjacks can be cooked. Also, French crepes may be cooked onturntable104. The crepes may be cooked directly on the flat upper surface ofturntable104 in a manner similar to making American pancakes, or, as shown inFIG. 10, dome shaped turntable124 may be used to cook the crapes, perhaps in the traditional French manner as known to those of the art.
• Dome shaped turntable124 may also be used for cooking meats and vegetables. Here, thinly sliced pieces of food may be placed on top of turntable124 with a result that during cooking, greases and oils are shed from the food over the dome shaped cooking surface. To help in this, a torus shaped drip tray may be inserted aroundpin110. Projections from the upper surface of turntable124, including, but not limited to, an outer perimeter wall or dimples or projections in the domed surface, might help in stabilizing foods placed on the dome shaped surface to keep them from sliding off. A raised texture on the upper surface of dome shaped turntable124 might also help in separating greases and oils away from food being cooked.
• Referring toFIGS. 1 and 11, and to U.S. Pat. Nos. 6,142,064 and 6,568,316 and associated patents, spitassembly20 includesspit plate126, as well asaxle pin128 which is surrounded bycylindrical sleeve130.Cylindrical sleeve130 is self lubricated and rotates independently ofaxil pin128.Axil pin128 is integrally connected to spitplate126 and capturescylindrical sleeve130 betweenspit plate126 and head132 ofaxil pin128. When food is being cooked,cylindrical sleeve130 rests intocooking position90 of spit supports30. This arrangement helps reduce noises whenspit assembly20 is rotating including: squeaking, rubbing, and other noises.
• Depending on specifics, such as ambient temperature, and greases, chemicals, and oils to which it might be exposed,cylindrical sleeve130 might be fabricated from any of many different materials known in the art. Such materials include by way of example, and not by way of any limitation: Teflon, brass, self lubricated bearing materials, acetyl plastic or other materials known to those with knowledge of the art. As an even more specific example, Teflon provides both high heat resistance as well as resistance to chemicals, greases, and oils. It is also good at absorbing sound generated by movement.
• Because it's removable and covers so much interior space, spitplate126 onspit assembly20 may be coated oninside surface134 with a nonstick coating to make cleaning ofoven cavity28 easier. The unusual arrangement of having a large plate at one end of, or large spit plates on both ends of, spitassembly20 means that it provides a substantial inner liner foroven cavity28. This inner liner, when coated with a nonstick coating, is easily removable and easy to clean. Outsidesurface136 ofspit plate126 may also be coated with an easy to clean surface to facilitate cleanup. As described in earlier U.S. Pat. Nos. 6,142,064 and 6,568,316, spitassembly20 may have two spit plates. Either or both spit plates onspit assembly20 may be treated in the manner described above.
• Referring toFIGS. 12 and 13, a preferred embodiment spit assembly is shown which is used to cook breads and other farinaceous products. Cylindrical wirescreen perimeter wall150 is attached on one end to solidcircular wall152 which hascylindrical spit axil154 at its center. Capping the other end ofcylindrical wall150 isremovable cap156 which is geared on its outer circular periphery, and which is penetrated on its face byholes158,160,162, and164.Wire protrusions166,168,170, and172 which are connected to the open end ofcylindrical wall150 respectively protrude into each of these holes, and help secure and centerremovable cap156 to cylindrical wirescreen perimeter wall150. On the center of its face which is oppositecylindrical perimeter wall150,removable cap156 has a second cylindrical spit axil which is not shown in the figures.
• The preferred embodiment shown inFIGS. 12 and 13 may be constructed of any of a variety of materials known to those knowledgeable in the art. As an example, and not by way of any limitation,perimeter wall150 might be constructed of aluminum screen of a window screen size match, with solidcircular wall152 constructed of stamped, 0.06 in. aluminum.Removable cap156 might be constructed of steel, and coated with either chromium or a nonstick surface such as Teflon.
• Wire protrusions166,168,170, and172, might be constructed of 0.1 in. chromium plated steel wire.Cylindrical axil154 might be constructed of chromium or Teflon coated steel.
• In operation, a user would remove cap156 fromperimeter wall150 and insert an uncooked bread loaf.Cap156 would then be replaced over the open end ofperimeter wall150, and the entire assembly would then be placed in a rotisserie oven similar to that described earlier in this document. After cooking, the entire preferred embodiment would then be removed from the rotisserie oven, andremovable cap156 taken off to allow the then cooked bread loaf to be removed for serving.
• The preferred embodiment shown inFIGS. 12 and 13 has at least the advantage that cooking is done evenly on all sides of the bread. Variants of the embodiment also appeared to cook breads significantly faster than use of a conventional oven.
• FIGS. 14 and 15 show a preferred embodiment to cook breadsticks. Perforatedcylindrical walls174,176,178, and180 are lodged betweenspit plates182 and184 which cap each of the cylindrical walls' respective ends. Spitrods186 and188 suspend and supportcylindrical walls174,176,178, and180 betweenspit plates182 and184 by means of penetratingintermediate support plates190 and192 as shown inFIGS. 14 and 15.
• In use, spitplate182 is removed, thus opening the ends ofcylindrical walls174,176,178, and180. An uncooked breadstick is then placed inside at least one of the cylindrical walls.Spit plate182 is then replaced and the entire assembly placed into a rotisserie oven such as described earlier in this document. Here it is cooked. After cooking, the entire assembly is removed from the oven and spitplate182 removed so that the cooked breadsticks can be removed for serving.
• This preferred embodiment may be constructed using materials and techniques described for the previous preferred embodiment.
• Besides being able to be used to cook breads as described, both of the above described embodiments may be used for other purposes. As examples, and not by way of any limitations, they may be used to: cook rolls and other shapes of bread, roast coffee beans, pop popcorn, roast nuts, or roast or cook other food articles.
• What has been described herein are specific preferred embodiments of the present inventions. Many changes and variations will be easily derived from the descriptions contained herein by those knowledgeable in the art. As examples, and not by any way of limitation: embodiments might be constructed at any desirable scale; embodiments might be freestanding, without need of a countertop to support them; embodiments might have oven cavities of different shapes such as a cylinder on its side or a vertical cylinder; control boxes might be located on the top, bottom, or front of the embodiment; horizontal and/or vertical spits might utilize only a single rod, or might have more than two rods; the spit drive might utilize a socket coupled to the end of the spit rod to rotationally power the spit assembly; heating elements other than the rod type electric one shown might be utilized including gas or liquid powered elements or less conventional electric heating elements such as quartz or solid-state elements; or embodiments might be built into household ovens.
• Such variations and many others would be readily apparent to one knowledgeable in the art and hence should be considered as obvious from the descriptions contained herein.

Claims (15)

1. A method for cooking a food article comprising the steps of:

providing a device comprising:

a cooking enclosure including a heat source disposed therein;

a drive mechanism projecting inwardly into the enclosure from a side wall surface;

a first food support having a horizontal rotational axis and gear teeth to engage the drive mechanism;

a second food support having a vertical rotational axis and gear teeth to engage the drive mechanism;

placing the food article on one of the first or second food supports; and

operating the device to activate the heat source and drive mechanism cook the food article.

2. The method as recited inclaim 1 wherein the first food support comprises a spit including a pair of rods extending between opposed spit plates, wherein at least one of the spit plates includes the gear teeth.

3. The method as recited inclaim 1 wherein the first food support comprises a mesh basket that extends between spit ends, and wherein the basket includes an inner chamber for accommodating a food article therein.

4. The method as recited inclaim 1 wherein the second food support comprises a circular plate that accommodates a food article thereon and that rotates within the enclosure when the drive mechanism is activated.

5. The method as recited inclaim 4 wherein the gear teeth are positioned along a bottom portion of the circular plate.

6. The method as recited inclaim 1 further comprising activating a timer that causes one or both of the heat source and drive mechanism to operate for a set amount of time.

7. A method for cooking a food article within a cooking device comprising the steps of:

providing a cooking device comprising:

an enclosure including a heat source disposed therein;

a drive mechanism projecting inwardly into the enclosure;

means for receiving and accommodating placement of a first food support within the enclosure, the first food support having a horizontal rotational axis within the enclosure and including means for engaging the drive mechanism;

means for receiving and accommodating placement of a second food support within the enclosure, the second food support having a vertical rotational axis within the enclosure and including means for engaging the drive mechanism;

placing one of the first or second food supports within the enclosure;

placing the food article on one of the first or second food supports, which step may occur before or after the first or second food support is placed within the enclosure; and

operating the device to activate the heat source and drive mechanism cook the food article.

8. The method as recited inclaim 7 wherein the device further comprises a timer for activating one or both of the heat source and the drive mechanism for a set amount of time, further comprising setting the timer.

9. The method as recited inclaim 7 wherein the first food support comprises a spit including two or more rods extending between opposed ends, and wherein the food article is attached to the spit.

10. The method as recited inclaim 9 wherein the means for engaging is gear teeth that extend from one of the ends.

11. The method as recited inclaim 7 wherein the first food support comprises a basket that extends between opposed ends, wherein the food article is disposed within the basket.

12. The method as recite inclaim 11 wherein the basket comprises a number of separate cooking chambers for accommodating the food article therein.

13. The method as recite inclaim 7 wherein the second food support comprises a plate and the food article is placed upon a top surface of the plate.

14. The method as recited inclaim 13 wherein the means for engaging comprises gear teeth extending from a surface of the plate.

15. The method as recited inclaim 7 wherein the drive mechanism comprises a gear projecting inwardly into the enclosure, wherein the gear is positioned to engage both of the first or second food support means for engaging.

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