Patent Publication Number: US-11026558-B2

Title: Home appliance

Description:
CROSS-REFERENCE TO RELATED APPLICATION 
     This application is based on and claims priority under 35 U.S.C. § 119 to Korean Patent Application No. 10-2018-0140869, filed on Nov. 15, 2018 in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference. 
     BACKGROUND 
     1. Field 
     The disclosure relates to a home appliance having a door rotatably coupled to a main body to open and close a cavity, and more specifically, to a home appliance enabling a decorative plate coupled to a front surface of the door to be movable at a time of rotation of the door is rotated. 
     2. Description of the Related Art 
     In the case of a home appliance, such as a dishwasher having a washing tub for washing dishes or a cooking appliance having a cooking space for cooking foods, a door for opening and closing the washing tub or the cooking space may be rotatably coupled to a main body of the home appliance. 
     Among the home appliances, a built-in type home appliance disposed adjacent to furniture, such as a sink or a chest of drawers, has a decorative plate attached to a door that matches with a design of the adjacent furniture. 
     When the home appliance is arranged to correspond to the height of the adjacent furniture, a step difference occurs between a lower end of the door and the floor on which the home appliance is installed, and the decorative plate may be disposed such that a lower end thereof is positioned lower than the lower end of the door. In this case, when the door is opened, the lower end of the decorative plate may interfere with a lower portion of the main body. 
     SUMMARY 
     Therefore, it is an object of the present disclosure to provide a home appliance that allows a decorative plate attached to a front surface of a door to be moved in an upper direction of the door when the door is opened to prevent the decorative plate from interfering with a main body, and allows the decorative plate to return its original position when the door is closed. 
     It is another object of the disclosure to provide a home appliance that allows a decorative plate to be attached to a front surface of a door by a simple and easy method without using a separate fastening member, such as a screw. 
     Additional aspects of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention. 
     Therefore, it is an aspect of the disclosure to provide a home appliance including: a main body having a cavity; a door rotatably coupled to a front side of the main body to open and close the cavity; a holder moveably mounted to the door; a decorative plate mounted to the holder to be disposed on a front surface of the door; and a wire connected to the holder and the main body such that a tension thereof varies depending rotation of the door, and configured to move the holder by the tension. 
     A tension may be applied to the door when the door is opened, and the tension of the door may be removed when the door is closed. 
     The holder may be moved in an upper direction of the door by the tension of the wire when the door is opened. 
     The door may be provided with a guide slot for guiding movement of the holder, and the holder may be inserted into the guide slot and moves along the guide slot. 
     The home appliance may further include a direction conversion member configured to convert a direction of a force exerted on the holder by the tension of the wire. 
     The home appliance may further include a wire guide member configured to guide a position of the guide. 
     The wire guide member may be configured to adjust the tension of the wire at a time of rotation of the door. 
     The decorative plate may be moved in a lower direction of the door by self-weight of the decorative plate when the door is closed. 
     The home appliance may further include another wire connected to the holder such that the holder is moved in a lower direction of the door when the door is closed. 
     The home appliance may further include an elastic member connected to the other wire to elastically support the other wire. 
     The home appliance may further include an installation bracket coupled to the door to cover and support the elastic member. 
     The home appliance may further include a fixer coupled to the decorative plate such that the decorative plate is mounted to the holder. 
     The holder may include a fixer accommodation groove having an upper surface that is open such that the fixer is inserted into the fixer accommodation groove in a downward direction. 
     The holder may further include a stopper coupled to the fixer such that the fixer is prevented from being separated from the fixer accommodation groove. 
     The holder may include an elastic pressing portion elastically supporting the stopper. 
     It is another aspect of the disclosure to provide a home appliance including: a main body having a cavity; a door rotatably coupled to a front side of the main body to open and close the cavity; a decorative plate disposed on a front surface of the door; a holder moveably mounted to the door; and a fixer coupled to the decorative plate such that the decorative plate is mounted to the holder, wherein the holder includes a fixer accommodation groove having an upper surface that is open such that the fixer is inserted into the fixer accommodation groove in a downward direction. 
     The holder may further include a stopper coupled to the fixer such that the fixer is prevented from being separated from the fixer accommodation groove. 
     The stopper may have an inclined surface inclined with respect to a direction in which the fixer is inserted such that the stopper moves in a direction perpendicular to the insertion direction of the fixer when the fixer is inserted into the fixer accommodation groove. 
     The holder may include an elastic pressing portion elastically supporting the stopper. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       These and/or other aspects of the invention will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which: 
         FIG. 1  is a view illustrating the external appearance of a home appliance according to an embodiment of the disclosure. 
         FIG. 2  is a schematic side cross-sectional view illustrating a home appliance according to an embodiment of the disclosure. 
         FIG. 3  is a view illustrating a door and a decorative plate of a home appliance according to an embodiment of the disclosure, which are separated from each other. 
         FIG. 4  is a view illustrating a rear surface of a door front plate of a home appliance according to an embodiment of the disclosure. 
         FIG. 5  is a perspective view illustrating an installation position of a wire of a home appliance according to an embodiment of the disclosure. 
         FIG. 6  is a perspective view illustrating a holder, a stopper, and a fixer of a home appliance according to an embodiment of the disclosure, which are separated from each other; 
         FIG. 7  is a cross-sectional view illustrating a holder, a stopper, and a fixer of a home appliance according to an embodiment of the disclosure. 
         FIG. 8  is a view for describing an operation of attaching a decorative plate of a home appliance to a door according to an embodiment of the disclosure. 
         FIG. 9  is a view illustrating a closed state of a door of a home appliance according to an embodiment of the disclosure. 
         FIG. 10  is a view illustrating an open state of a door of a home appliance according to an embodiment of the disclosure. 
     
    
    
     DETAILED DESCRIPTION 
     The embodiments set forth herein and illustrated in the configuration of the disclosure are only the most preferred embodiments and are not representative of the full the technical spirit of the disclosure, so it should be understood that they may be replaced with various equivalents and modifications at the time of the disclosure. 
     As used herein, the singular forms “a,” “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. although the drawings represent exemplary embodiments of the disclosure, the drawings are not necessarily to scale and certain features may be exaggerated or omitted in order to more clearly illustrate and explain the disclosure. 
     It will be further understood that the terms “comprises,” “comprising,” “includes” and/or “including,” when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. 
     Hereinafter, the disclosure will be described in detail with reference to the accompanying drawings. 
       FIG. 1  is a view illustrating the external appearance of a home appliance according to an embodiment of the disclosure.  FIG. 2  is a schematic side cross-sectional view illustrating a home appliance according to an embodiment of the disclosure. 
     Referring to  FIGS. 1 and 2 , the embodiment is described. 
     The concept of the disclosure may be applied to a home appliance  1  (an all-in-one home appliance) including: a main body  10  having a cavity  11 , a front surface of which is open; and a door  20  rotatably coupled to the main body  10 . Although the following description is made on a dishwasher for washing dishes by jetting wash water to dishes as an example of the home appliance  1 , the home appliance  1  is not limited to the dishwasher. For example, the home appliance  1  may include a cooking device for cooking foods by applying heat or electromagnetic waves to the foods, a refrigerator for keeping foods refrigerated and frozen, and a clothes treatment device, and the like. 
     The cavity  11  is provided at an inside thereof with a basket  15  for storing dishes and a nozzle  16  for jetting washing water to the dishes accommodated in the basket  15 . A sump  12  may be provided at a lower portion of the cavity  11  to store wash water therein. The wash water stored in the sump  12  may be guided to the nozzle  16  by a circulation pump  13  or may be discharged to the outside of the cavity  11  by a drain pump  14 . 
     The cavity  11  may be provided in a way to be opened at a front surface through which dishes are inserted and removed, and the front surface may be opened and closed by the door  20 . The door  20  may open and close the cavity  11  by rotating about a rotation shaft  27  formed at a lower portion of the door  20 . A hinge bracket  26  may be coupled to the lower portion of the door  20 , a fixing bracket  18  may be coupled to a lower portion of the main body  10 , and the rotating shaft  27  may pass through the hinge bracket  26  and the fixing bracket  18 . The fixing bracket  18  may be fixed to a fixing member  19  for fixing one end of a first wire  70 , which will be described below. 
     The home appliance  1  may be provided in a built-in type, adjacent to furniture, such as a sink or a chest of drawers. A decorative plate  30  having a design corresponding to a design of the adjacent furniture may be attached to a front surface of the door  20 . 
     Referring to  FIG. 2 , the decorative plate  30  may be formed such that a lower end thereof is positioned lower than a lower end of the door  20  to cover a space between the door  20  and the floor. Accordingly, the lower end of the decorative plate  30  may interfere with the lower portion of the main body  10  when the door  20  rotates forward. 
     According to the embodiment of the disclosure, the decorative plate  30  is provided to be moved in an upper direction of the door  20  when the door  20  is opened, to thereby prevent the lower end of the decorative plate  30  from interfering with the lower portion of the main body  10  when the door  20  is rotated. 
     Hereinafter, the structure to move the decorative plate  30  according to rotation of the door  20  will be described in detail. 
       FIG. 3  is a view illustrating a door and a decorative plate of a home appliance according to an embodiment of the disclosure, which are separated from each other.  FIG. 4  is a view illustrating a rear surface of a door front plate of a home appliance according to an embodiment of the disclosure.  FIG. 5  is a perspective view illustrating an installation position of a wire of a home appliance according to an embodiment of the disclosure.  FIG. 6  is a perspective view illustrating a holder, a stopper, and a fixer of a home appliance according to an embodiment of the disclosure, which are separated from each other.  FIG. 7  is a cross-sectional view illustrating a holder, a stopper, and a fixer of a home appliance according to an embodiment of the disclosure. 
     Referring to  FIGS. 3 to 7 , the home appliance  1  includes a holder  40  movably mounted to the door  20 , and a first wire  70  connected to the holder  40  and the main body  10  such that a tension of the first wire  70  varies according to the rotation of the door  20  and configured to move the holder  40  by the tension. 
     The door  20  may be formed by assembling a door front plate  21  and a door rear plate  29 . The door front plate  21  may include a guide plate  22  through which a guide slot  23  passes. The guide slot  23  may guide the movement of the holder  40 . The guide slot  23  may be elongated in an upper side and lower side direction of the door  20  such that the holder  40  moves in the upper side and lower side direction of the door  20 . 
     The guide slot  23  may be provided in a plurality of units thereof in the door front plate  21 . In the embodiment, a total of four guide slots  23  are provided, but the number of the guide slots  23  according to the disclosure is not limited thereto. 
     The guide slots  23  may be respectively provided at an upper left portion, an upper right portion, a lower left portion, and a lower right portion of the door front plate  21 . However, the position of the guide slot  23  is not limited. The holders  40  may be movably mounted in the guide slots  23  of the lower left portion and the lower right portion of the door front plate  21  among the plurality of guide slots  23 . 
     To a rear surface of the decorative plate  30 , a fixer  60  and a connecting member  35  may be coupled. Each of the fixer  60  and the connecting member  35  may be provided in a plurality of units thereof, and may be coupled to the rear surface of the decorative plate  30  to correspond to the positions of the plurality of guide slots  23 . In detail, the plurality of fixers  60  are coupled to a lower portion of the rear surface of the decorative plate  30  to correspond to the guide slots  23  of the lower left and lower right portions of the door front plate  21 , and the plurality of connecting members  35  may be coupled to an upper portion of the rear surface of the decorative plate  30  to correspond to the guide slots  23  of the upper left and upper right portions of the door front plate  21 . 
     The fixers  60  may be mounted to the holders  40  mounted to the guide slots  23 , and the connecting members  35  may be directly mounted to the guide slots  23 . 
     The guide plate  22  may be formed with an expansion slot  24  having a width larger than that of the guide slot  23  such that the holder  40  is mounted to the guide slot  23 . The expansion slot  24  may be formed at an upper side of the guide slot  23  while extending from the guide slot  23 . In the mounting of the holder  40  to the guide slot  23 , the holder  40  is inserted into the expansion slot  24  first, and then is moved downward, so that the holder  40  is mounted to the guide slot  23 . 
     The first wire  70 , a tension of which varies according to the rotation of the door  20 , may be connected to the holder  40  and the main body  10 . In the embodiment, the wire includes all types of connecting members formed of a flexible material on which tension may be exerted, such as a thread, a wire, a belt, a string, a rope, and the like. 
     In detail, one end ( 71  in  FIG. 5 ) of the first wire  70  is coupled to the fixing member  19  fixed to the main body  10 , and the other end ( 72  in  FIG. 5 ) of the first wire  70  may be coupled to the holder  40 . 
     Since the one end  71  of the first wire  70  is coupled to the main body  10  and the other end  72  of the first wire  70  is coupled to the holder  40  mounted to the door  20 , when the door  20  is opened, a tension is applied to the first wire  70 , so that the first wire  70  becomes taut. On the contrary, when the door  20  is closed, the tension applied to the first wire  70  is removed, so that the first wire  70  may be loosened. 
     By the tension applied to the first wire  70  when the door  20  is opened, a force may be exerted on the holder  40  connected to the first wire  70 . 
     The home appliance  1  according to the embodiment of the disclosure may include a direction conversion member  25  that converts the direction of a force exerted on the holder  40  such that the holder  40  is moved in the upper direction of the door  20  by the tension of the first wire  70  when the door  20  is opened. The direction conversion member  25  may include all types of mechanisms that may convert the direction of a force, such as a pulley, a wheel, and the like. 
     The direction conversion member  25  may be disposed at a position higher than that of the holder  40  on the door  20 . Accordingly, a force acting in the upper direction of the door  20  may be exerted on the holder  40  by the tension of the first wire  70 . The direction conversion member  25  may be coupled to the rear surface of the door front plate  21 . The first wire  70  may be provided to be hung on the direction conversion member  25 . 
     The home appliance  1  may further include wire guide members  28   a  and  28   b  provided to guide the position of the first wire  70 . The wire guide members  28   a  and  28   b  may guide the first wire  70  to be properly positioned not to interfere with other components. In the embodiment, the wire guide members  28   a  and  28   b  may be provided in a plurality of units thereof, and the number of the wire guide members  28   a  and  28   b  is not limited. 
     Although the wire guide members  28   a  and  28   b  may be provided in the form of a protrusion on which the first wire  70  is hung, the disclosure is not limited thereto. For example, the wire guide members  28   a  and  28   b  may be provided in the form of a pulley, a wheel, and the like. 
     The wire guide members  28   a  and  28   b  may be configured not only to guide the position of the first wire  70  but also to adjust the tension of the first wire  70  at a time of rotation of the door  20 . That is, the wire guide members  28   a  and  28   b  may allow greater tension to be applied to the first wire  70  when the door  20  is opened. 
     In detail, the wire guide members  28   a  and  28   b  may cause the first wire  70  to have a large displacement when the door  20  is opened such that greater tension is applied to the first wire  70 . 
     In the embodiment, the wire guide members  28   a  and  28   b  may be provided in the hinge bracket  26  coupled to the door  20 . Accordingly, when the door  20  rotates, the wire guide members  28   a  and  28   b  may also rotate about the rotation shaft  27  of the door  20 . As such, since the wire guide members  28   a  and  28   b  also rotate when the door  20  rotates, a large displacement may occur in the first wire  70 . 
     The holder  40  may include a holder body  42  and a holder cover  48  coupled to a rear side of the holder body  42 . The holder body  42  and the holder cover  48  may be coupled to each other through a fastening member, such as a screw, a pin, a bolt, and the like. To this end, the holder body  42  and the holder cover  48  may be respectively formed with fastening holes  42   a  and  48   a  to which fastening members are fastened. 
     The holder body  42  may include a ring portion  43  in the form of a ring to which the first wire  70  and a second wire  75  are connected. The holder cover  48  may include a ring portion  49  coupled to a rear portion of the ring portion  43  of the holder body  42 . The ring portion  43  of the holder body  42  and the ring portion  49  of the holder cover  48  may be coupled to each other to form a ring portion of the holder  40 . 
     The holder body  42  may include a rail portion  44  that is movably mounted to the guide slot  23  formed in the door front plate  21 . The rail portion  44  includes a rail body  44   c  inserted into the guide slot  23 , a rail head  44   b  and a rail base  44   d  extending from opposite ends of the rail body  44   c , and a rail groove  44   a  formed by the rail head  44   b , the rail body  44   c , and the rail base  44   d . The rail head  44   b , the rail body  44   c , and the rail base  44   d  may substantially form a shape. 
     The guide plate  22  formed at a periphery of the guide slot  23  may be inserted into the rail groove  44   a , and the rail head  44   b  and the rail base  44   d  may be supported by the guide plate  22  to prevent the holder body  42  from being slipped from the guide slot  23 . 
     The holder body  42  may include a fixer accommodation groove  45  formed to accommodate the fixer  60 . The fixer accommodation groove  45  may have an upper surface that is open such that the fixer  60  is inserted in a downward direction. 
     With this configuration, when the decorative plate  30  is desired to be mounted to the door  20 , the fixer  60  is coupled to the rear surface of the decorative plate  30 , and the decorative plate  30  is moved such that the fixer  60  is adjacent to the fixer accommodation groove  45  of the holder  40  mounted to the door  20  and then is laid downward, so that the decorative plate  30  is easily mounted to the door  20 . 
     The holder  40  may include a stopper  50  coupled to the fixer  60  to prevent the fixer  60  from being separated from the fixer accommodation groove  45 . To this end, the holder body  42  has a stopper accommodation groove  46  in which the stopper  50  is accommodated, and the fixer  60  has a locking groove  63  to which the stopper  50  is coupled. Although only one stopper  50  is illustrated in the drawing of the embodiment, a plurality of the stoppers  50  may be provided on the left and right sides of the holder  40 . 
     With the stopper  50  inserted into the stopper accommodation groove  46  of the holder body  42 , the holder cover  48  may be coupled to the rear portion of the holder body  42 . 
     The stopper  50  may be provided to be movable in the left side and right side direction in the stopper accommodation groove  46 . That is, the stopper  50  may be moved in a first direction perpendicular to a direction in which the fixer  60  is inserted into the fixer accommodation groove  45 , when the fixer  60  is inserted into the fixer accommodation groove  45 . To this end, the stopper  50  may have an inclined surface  51  inclined with respect to the insertion direction of the fixer  60 . 
     The holder body  42  may be provided with an elastic pressing portion  47  that extends to elastically support the stopper  50 . The elastic pressing portion  47  may apply a force to a support portion  52  of the stopper  50  in a second direction opposite to the first direction 
     The elastic pressing portion  47  may be elastically deformed in the first direction during the fixer  60  being mounted to the fixer accommodation groove  45  while accumulate elastic force. When the mounting of the fixer  60  to the fixer accommodation groove  45  is completed, the elastic pressing portion  47  is restored to press the stopper  50  in the second direction such that the stopper  50  is inserted into the locking groove  63  of the fixer  60 . Accordingly, the fixer  60  may be prevented from being separated from the fixer accommodation groove  45 , and as a result, the decorative plate  30  may be prevented from being separated from the door  20 . 
     On the contrary, in the separating of the decorative plate  30  from the door  20 , the stopper  50  needs to be removed from the locking groove  63 . Accordingly, the stopper  50  may be provided with a separation wire coupling groove  53  with which the stopper  50  is pulled out to be removed from the locking groove  63 . 
     A wire, a tong, a pin, or the like is connected to the separating wire coupling groove  53 , and then is pulled out with a force greater than the elastic force of the elastic pressing portion  47 , so that the stopper  50  may be separated from the locking groove  63 . As such, according to the embodiment of the disclosure, the decorative plate  30  may be easily separated from the door  20 . 
     The fixer  60  is a component for attaching the decorative plate  30  to the holder  40 . The fixer  60  may be coupled to the rear surface of the decorative plate  30 . The fixer  60  may be coupled to the decorative plate  30  through a fastening member. To this end, the fixer  60  may be provided with a fastening hole  62  to which a fastening member is fastened. 
     The fixer  60  may include a fixer body  61  having the fastening hole  62  and the locking groove  63 , and a fixer wing  64  extending from a rear end portion of the fixer body  61 . The fixer wing  64  allows the fixer  60  to be accurately positioned when the fixer  60  is inserted into the fixer accommodation groove  45  of the holder  40 , and allows the fixer  60 , once inserted into the fixer accommodation groove  45 , to be more stably supported. 
     As described above, tension is applied to the first wire  70  when the door  20  is opened, and the holder  40  is moved in the upper direction of the door  20  along the guide slot  23  by the tension of the first wire  70 , so that the decorative plate  30  is moved in the upper direction of the door  20 . 
     Since the door  20  is vertically disposed when the door  20  is closed, the decorative plate  30  disposed on the front surface of the door  20  may be moved in the lower direction of the door  20  by the self-weight. 
     The home appliance  1  may further include the second wire  75  connected to the holder  40  to move the holder  40  in the lower direction of the door  20  when the door  20  is closed. However, as described above, since the decorative plate  30  is movable in the lower direction of the door  20  by the self-weight when the door  20  is closed, the second wire  75  may be omitted. 
     The door  20  may be provided with an elastic member  80 , such as a spring, for elastically supporting the second wire  75 . The door  20  may be provided with an installation bracket  85  for covering the elastic member  80  and fixing one end  81  of the elastic member  80 . The one end  81  of the elastic member  80  may be coupled to the installation bracket  85  and the other end  82  of the elastic member  80  may be coupled to the second wire  75 . 
     One end  76  of the second wire  75  may be coupled to the elastic member  80 , and the other end  77  may be coupled to the holder  40 . 
     With this configuration, when the door  20  is opened, the holder  40  is moved in the upper direction of the door  20 , so that tension is applied to the second wire  75 , and the elastic member  80  may be extended by the tension of the second wire  75 . When the door  20  is closed, the elastic member  80  is contracted to pull the second wire  75  such that the holder  40  may be moved in the lower direction of the door  20 . 
       FIG. 8  is a view for describing an operation of attaching a decorative plate of a home appliance to a door according to an embodiment of the disclosure.  FIG. 9  is a view illustrating a closed state of a door of a home appliance according to an embodiment of the disclosure.  FIG. 10  is a view illustrating an open state of door of a home appliance according to an embodiment of the disclosure. 
     An operation of attaching the decorative plate to the door of the home appliance according to the embodiment of the disclosure, and an operation of moving the decorative plate at a time of opening and closing the door will be described in brief with reference to  FIGS. 8 to 10 . 
     Referring to  FIG. 8 , in order to attach the decorative plate  30  to the door  20 , the holder  40  is first mounted to the guide slot  23  of the door  20 . 
     In the mounting of the holder  40  to the guide slot  23 , the holder  40  is inserted into the expansion slot  24  extending at the upper side of the guide slot  23 , and then is moved downward, so that the holder  40  is mounted to the guide slot  23 . 
     Thereafter, the fixer  60  is fixed to the rear surface of the decorative plate  30 . The fixer  60  may be firmly fixed to the rear surface of the decorative plate  30  through a fastening member. 
     Thereafter, the fixer  60  fixed to the decorative plate  30  is moved in a direction A toward the holder  40  and then is moved in a lower direction B, so that the fixer  60  is inserted into the fixer accommodation groove  45  of the holder  40  and thus is mounted. When the insertion of the fixer  60  into the fixer accommodation groove  45  of the holder  40 , the stopper  50  of the holder  40  is fastened to the locking groove  63  of the fixer  50 , so that the fixer  50  is prevented from being separated from the holder  40 . 
     Referring to  FIG. 10 , when the door  20  is opened by being rotated forward, tension is applied to the first wire  70  connected to the holder  40  and the main body  10 , and a force acting in the upper direction C of the door  20  is exerted on the holder  40  by the tension of the first wire  70 . The holder  40  is moved in the upper direction C of the door  20  along the guide slot  23 , and accordingly, the decorative plate  30  may be moved in the upper direction C of the door  20 . 
     When the door  20  is closed again, the decorative plate  30  may be moved to the original position due to the self-weight of the decorative plate  30  and the tension of the second wire  75 . 
     As is apparent from the above, the decorative plate attached to the front surface of the door is moved in an upper direction of the door when the door is opened, so that the decorative plate can be prevented from interfering with the lower portion of the main body. 
     The decorative plate can be easily mounted to or separated from the door without using a separate fastening member. 
     Although few embodiments of the disclosure have been shown and described, the above embodiment is illustrative purpose only, and it would be appreciated by those skilled in the art that changes and modifications may be made in these embodiments without departing from the principles and scope of the disclosure, the scope of which is defined in the claims and their equivalents.