The subject matter of the present disclosure relates generally to a washer appliance having a door with a removable service tray.
Washing appliances (also referred to as “washing machines”) typically include a drum or basket for receipt of articles (e.g., laundry) to be washed. Top-load or vertical axis washing machines rotate the drum about the vertical axis at various points during the cleaning cycle. Various components provide for adding fluid into the drum and for imparting motion to the fluid and articles being washed in order to clean the articles.
Conventionally, the washing appliance may include a knob or other switch by which the user selects the level of fluid in the vertical axis washing machine based on e.g., the load size of articles being washed. The user may visually determine the desired fluid level based on the anticipated load size. Some washing appliances may determine the required fluid levels automatically.
Many washing appliance users are also accustomed to seeing a conventional agitator in the form of a post extending up from the bottom of the wash basket and configured to impart motion to the fluid and articles during the cleaning cycles. Users may associate factors such as fluid level and movement of the agitator as directly related to the effective cleaning of the articles and may believe that increased fluids levels and agitator action are advantageous.
Vertical axis washing machines may be equipped with a door or lid that covers an opening leading to the wash basket. The door can be opened in order to add or remove articles into the wash basket. The door can be closed to cover the opening and prevent access to the wash basket while a cleaning cycle is operating.
Certain users may prefer a door through which the contents of the wash basket may be viewed while a cleaning cycle of the washing appliance is operating. Such may allow the user to e.g., check the level of articles and wash fluid during a cycle and otherwise observe the operation of the appliance. Accordingly, the washing appliance may be equipped with a door that is all or partly constructed from glass or other transparent material through which the user may look into the wash basket.
As a convenience to the user, features may be provided to assist with opening and closing the door. The door may be relatively heavy, particularly if constructed from a transparent material such as glass. Features may be included that assist with lifting the door, lowering the door, or both. These features, however, require space and incorporating such into the appliance creates challenges. For example, providing such features at locations readily accessible for servicing or repair may create aesthetics that are unacceptable to the user. Conversely, there is limited space available in which to hide or conceal such features from view.
Accordingly, a washing appliance with a door that includes one or more features that can assist with opening, closing, or both, would be beneficial. Such an appliance that can incorporate such features in a manner that is aesthetically acceptable while providing accessibility for service and repair would be particularly beneficial.
Additional aspects and advantages of the invention will be set forth in part in the following description, or may be apparent from the description, or may be learned through practice of the invention.
In one exemplary embodiment, the present invention provides a washing appliance that includes a cabinet defining a vertical direction, a lateral direction extending between opposing sides, and a transverse direction extending between a front and back. A wash tub is positioned in the cabinet and defines a wash chamber accessed through an opening positioned over the wash chamber. A wash drum is rotatably mounted within the wash chamber and is configured for receiving articles for washing. A door is positioned at the opening, the door configured for selectively pivoting between an open position allowing access to the wash chamber through the opening and a closed position in which the door covers the opening.
A cartridge may be removably received onto the door. The cartridge can define a rear-facing opening providing access to a cartridge interior. The cartridge may extend longitudinally along the lateral direction between opposing ends. A plurality of fasteners may be positioned in the interior of the cartridge and releasably attach the cartridge with the door. A pair of rotatable stanchions may be positioned at the opposing ends of the cartridge. The stanchions may be removably connected with the cabinet. A spring assembly may be positioned within the interior of the cartridge and connected with the pair of rotatable stanchions. The spring assembly may be configured to assist in moving the door to the open position.
In another exemplary embodiment, the present invention provides a washing appliance that includes a cabinet and a wash tub supported by the cabinet and defining a wash chamber accessed through an opening positioned over the wash chamber. A wash drum may be rotatably mounted within the wash chamber and configured for receiving articles for washing. A door can be positioned at the opening, the door configured for selectively pivoting between an open position and a closed position.
A cartridge may be removably attached to the door, the cartridge having a top surface covered at least partially by the door, the cartridge having a cartridge interior, the cartridge extending longitudinally along a lateral direction between opposing ends. At least one fastener may releasably attach the cartridge with the door. A pair of rotatable stanchions may be positioned at the opposing ends of the cartridge. The stanchions may be removably connected with the cabinet. A spring assembly may be positioned within the cartridge interior and connected with the pair of rotatable stanchions, wherein the spring assembly provides assistance in moving the door to the open position.
These and other features, aspects and advantages of the present invention will become better understood with reference to the following description and appended claims. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
A full and enabling disclosure of the present invention, including the best mode thereof, directed to one of ordinary skill in the art, is set forth in the specification, which makes reference to the appended figures, in which:
The use of the same or similar reference numbers in the figures denotes same or similar features unless the context indicates otherwise.
Reference now will be made in detail to embodiments of the invention, one or more examples of which are illustrated in the drawings. Each example is provided by way of explanation of the invention, not limitation of the invention. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment can be used with another embodiment to yield a still further embodiment. Thus, it is intended that the present invention covers such modifications and variations as come within the scope of the appended claims and their equivalents.
As used herein, the terms “first,” “second,” and “third” may be used interchangeably to distinguish one component from another and are not intended to signify location or importance of the individual components. The terms “includes” and “including” are intended to be inclusive in a manner similar to the term “comprising.” Similarly, the term “or” is generally intended to be inclusive (i.e., “A or B” is intended to mean “A or B or both”). In addition, here and throughout the specification and claims, range limitations may be combined and/or interchanged. Such ranges are identified and include all the sub-ranges contained therein unless context or language indicates otherwise. For example, all ranges disclosed herein are inclusive of the endpoints, and the endpoints are independently combinable with each other. The singular forms “a,” “an,” and “the” include plural references unless the context clearly dictates otherwise.
Approximating language, as used herein throughout the specification and claims, may be applied to modify any quantitative representation that could permissibly vary without resulting in a change in the basic function to which it is related. Accordingly, a value modified by a term or terms, such as “generally,” “about,” “approximately,” and “substantially,” are not to be limited to the precise value specified. In at least some instances, the approximating language may correspond to the precision of an instrument for measuring the value, or the precision of the methods or machines for constructing or manufacturing the components and/or systems. For example, the approximating language may refer to being within a 10 percent margin, i.e., including values within ten percent greater or less than the stated value. In this regard, for example, when used in the context of an angle or direction, such terms include within ten degrees greater or less than the stated angle or direction, e.g., “generally vertical” includes forming an angle of up to ten degrees in any direction, e.g., clockwise or counterclockwise, with the vertical direction V.
The word “exemplary” is used herein to mean “serving as an example, instance, or illustration.” In addition, references to “an embodiment” or “one embodiment” does not necessarily refer to the same embodiment, although it may. Any implementation described herein as “exemplary” or “an embodiment” is not necessarily to be construed as preferred or advantageous over other implementations.
Washing machine appliance 100 has a cabinet 104 that extends between a top portion 106 and a bottom portion 108 along the vertical direction V, between a first side (left) 110 and a second side (right) 112 (collectively “opposing sides”) along the lateral direction L, and between a front 114 and a rear 116 along the transverse direction T. Cabinet 104 is generally configured for containing and/or supporting various components of appliance 100 and may also define one or more internal chambers or compartments of appliance 100. In this regard, as used herein, the terms “cabinet,” “housing,” and the like are generally intended to refer to an outer frame or support structure for appliance 100, e.g., including any suitable number, type, and configuration of support structures formed from any suitable materials, such as a system of elongated support members, a plurality of interconnected panels, or some combination thereof. It should be appreciated that cabinet 102 does not necessarily require an enclosure and may simply include open structure supporting various elements of appliance 100. By contrast, cabinet 102 may enclose some or all portions of an interior of cabinet 102 and may include a top panel 130. It should be appreciated that cabinet 102 may have any suitable size, shape, and configuration while remaining within the scope of the present subject matter.
As best shown in
Wash drum 122 and cabinet 104 generally define an opening 126 (accessible through door 103) for receipt of articles for washing. Wash drum 122 rotates about a vertical axis of rotation VA (
As illustrated, cabinet 104 of washing machine appliance 100 has a top panel 130, which can form a portion of cabinet 104. Top panel 130 defines an opening (
For this exemplary embodiment, door 103 forms a window 164 constructed from a transparent material 166 such as tempered glass or other materials. Window 164 allows a user to view e.g., the contents of wash chamber 120 during a cleaning cycle. In one exemplary embodiment, transparent material 166 is attached to door 103 using adhesive strips 168 (
As best shown in
An exemplary article movement mechanism 150, including impeller 154 (
In different embodiments, impeller 154 and agitator post 152 may rotate separately or together. Such rotations include a single action element (i.e., oscillatory only), a double action element (oscillatory movement at one end, single direction rotation at the other end) or a triple action element (oscillatory movement plus single direction rotation at one end, single direction rotation at the other end). Impeller 154, agitator post 152, and wash drum 122 are oriented to rotate about a vertical axis of rotation VA (which is substantially parallel to vertical direction V). For example, impeller 154 and/or agitator post 152 may rotate back and forth in alternate directions about vertical axis VA during a cleaning cycle.
As stated, washing machine appliance 100 includes a motor assembly 128 in mechanical communication with wash drum 122 to selectively rotate wash drum 122 (e.g., during a wash cycle or a rinse cycle of washing machine appliance 100). In addition, motor assembly 128 may also be in mechanical communication with impeller 154 and agitator post 152. For this embodiment, impeller 154 is secured to a shaft 162 from motor assembly 128. In this manner, motor assembly 128 may be configured for selectively and independently rotating or oscillating wash drum 122, impeller 154, and/or agitator post 152 during various operating cycles of washing machine appliance 100.
Referring still to
Operation of washing machine appliance 100 is controlled by at least one controller or processing device 146 that is operatively coupled to control panel 138 for user manipulation to select washing machine cycles and features. In response to user manipulation of control panel 138, controller 146 operates the various components of washing machine appliance 100 to execute selected machine cycles and features. According to an exemplary embodiment, controller 146 may include a memory and microprocessor, such as a general or special purpose microprocessor operable to execute programming instructions or micro-control code associated with methods described herein. Alternatively, controller 146 may be constructed without using a microprocessor, e.g., using a combination of discrete analog and/or digital logic circuitry (such as switches, amplifiers, integrators, comparators, flip-flops, AND gates, and the like) to perform control functionality instead of relying upon software. Control panel 138 and other components of washing machine appliance 100 may be in communication with controller 146 via one or more signal lines or shared communication busses.
During operation of washing machine appliance 100, laundry items are loaded into wash drum 122 through opening 126, and washing operation is initiated through operator manipulation of input selector 140. Water, detergent and/or other fluid additives can be added to wash tub 118 and wash drum 122 through dispenser 124 and/or other dispensers as well. Controller 146 can operate one or more valves of washing appliance 100 to provide for filling wash tub 118 and wash drum 122 to the appropriate level for the amount of articles being washed and/or rinsed. By way of example for a wash mode, once wash drum 122 is properly filled with fluid, the contents of wash drum 122 can be agitated (e.g., with article movement mechanism 150 as discussed previously) for washing of laundry items in wash drum 122. The specific operation of wash appliance 100 by controller 146 will depend on various inputs including the cycle and other settings that may be selected by the user, the amount of article placed in wash chamber 120, and other variables as will be understood by one of skill in the art using the teachings disclosed herein.
By way of continuing example, after wash tub 118 is filled and the agitation phase of the wash cycle is completed, wash tub 118 and drum 122 can be drained, e.g., by drain pump assembly 148. Laundry articles can then be rinsed by again adding fluid to wash drum 122 and tub 118 again depending on the specifics of the cleaning cycle selected by a user. The impeller 154 and/or agitator post 152 may also provide agitation within wash drum 122. One or more spin cycles may also be used as part of the cleaning process. In particular, a spin cycle may be applied after the wash cycle and/or after the rinse cycle in order to wring wash fluid from the articles being washed. During a spin cycle, wash drum 122 is rotated at relatively high speeds to help wring fluid from the laundry articles through perforations 132. After articles disposed in wash drum 122 are cleaned and/or washed, the user can remove the articles from wash drum 122, e.g., by reaching into wash drum 122 through opening 126.
In one exemplary aspect, the present invention provides a removable service tray that can facilitate servicing of the lid or door, such as exemplary door 103, and related components. In still another exemplary aspect, the present invention can also allow for improved aesthetics by allowing all or portions of such related components to be hidden from a user's view under the normal circumstances where such user is positioned at or near the front of the appliance, such as front 114 of appliance 100.
For this exemplary embodiment, service tray 200 with cartridge 202 is received within an interior 170 (
Cartridge 202 is releasably connected to, or attached with, door 103 using one or more mechanical fasteners 208. For this exemplary embodiment, fasteners are provided as screws or bolts 208 that each have a longitudinal axis FA extending along transverse direction T (
A pair of rotatable stanchions 218, 220 are positioned at opposing ends of cartridge 202 and are connected with cabinet 104. For example, stanchions 218, 220 may include fastener bosses 222 extending along vertical direction V for the receipt of removable fasteners to attach with cabinet 104. Other mechanisms may be used to attachment of stanchions 218, 220 with appliance 100 as well. Stanchions 218, 220 are positioned under control panel 138, which may be removed in order to access fasteners in bosses 222.
Stanchions 218, 220 are connected with a spring assembly 224 (
For this exemplary embodiment, spring assembly 224 includes a pair of torsional springs 226, 228 and a pair of axles 230, 232 positioned at opposing ends 204, 206 of cartridge 202. In addition, torsional springs 226, 228 and axles 230, 232 are contained within cartridge interior 214. Stanchions 218, 220 and axles 230, 232 each rotate together about a longitudinal axis LA that is parallel to lateral direction L.
Axles 230, 232 are connected between door 103 and cabinet 104 and are positioned within springs 226, 228. The tension in each spring 226, 228 increases when door 103 is closed and decreases when door 103 is opened. As such, the tension from springs 226, 228 assists in opening door 103. Other spring configurations may be used as well.
For this exemplary embodiment, door 103 also includes a dampener 234 connected with the spring assembly 224 and configured for slowing movement of the door 103 between the open position and the closed position. In this exemplary embodiment, only one dampener 234 is connected with axles 230 but other configurations may also be used. For example, dampener 234 may contain a fluid that slows the rotation of axle 230 and therefore movement of door 103. Accordingly, dampener 234 may reduce the speed at which door 103 would otherwise close due to e.g., the effects of gravity.
As best observed in
Service tray 200 also improves the serviceability of door 103. More particularly, for this exemplary embodiment, a service technician can remove console 138, which allows access stanchions to 218, 220 and to fasteners 208 by way of openings 218. A service technician can then remove service tray 200 from door 103 by sliding along transverse direction T once fasteners 208 are loosened or removed. Although not necessary for access to tray 200, stanchions 218, 220 may be disconnected from cabinet 104 before or after the removal of service tray 200 from door 102.
This written description uses examples to disclose the invention, including the best mode, and also to enable any person skilled in the art to practice the invention, including making and using any devices or systems and performing any incorporated methods. The patentable scope of the invention is defined by the claims, and may include other examples that occur to those skilled in the art. Such other examples are intended to be within the scope of the claims if they include structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal languages of the claims.
Number | Name | Date | Kind |
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20120007482 | Pillot | Jan 2012 | A1 |
Number | Date | Country |
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4462362 | May 2010 | JP |
6349274 | Jun 2018 | JP |
2020103957 | Jul 2020 | JP |
6742147 | Aug 2020 | JP |
WO2018042962 | Mar 2018 | WO |
Entry |
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JP2020103957A—machine translation (Year: 2020). |
Number | Date | Country | |
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20230029923 A1 | Feb 2023 | US |