The present invention relates generally to systems and methods for cleaning vehicle wheel rims. More particularly, the present invention relates to systems and methods for cleaning wheel rims while protecting users during cleaning operations. Certain embodiments include an enclosure housing a stand for a wheel rim, the enclosure comprising an open portion to access the stand, and a transparent shield to safely view the wheel rim during cleaning.
Corrosion, dirt, and grime can build up on wheel rims over time, from exposure to weather and other elements during normal operation. Corrosion, in particular, often occurs on mating surfaces (e.g., the lip of the rim) which engage the bead of the tire, and the center of the rim, where the rim engages the hub. Corrosion in these areas is problematic, since it can prevent a good seal from being formed between the wheel and the tire, and prevent the wheel from mounting correctly on the hub.
The corrosion is often cleaned from these areas when tires are changed, since it is necessary to remove the tire from the wheel rim. To clean the rim, a grinder can be used to remove the corrosion from the affected areas. Current grinders use an enclosed shop vacuum to suck up metal filings as they are ground from the wheel. However, since the grinding process produces metal filings, which often include both aluminum and iron filings, there is a concern that the mixing of metal filings within the shop vacuum can produce a dielectric discharge and is a fire hazard.
This disclosure generally relates to systems and methods for cleaning automotive wheel rims. An enclosure is provided to contain filings produced during an abrasive cleaning process, which allows for easy and efficient removal after cleaning. An upper portion of the enclosure may include a transparent shield, which allows users to see into the enclosure, while being protected from any debris or sparks produced by the cleaning process. The lower portion of the enclosure may include an opening, which allows users to operate a cleaning tool, such as a grinder.
In an embodiment, the enclosure may be completely enclosed. Gloved openings are provided to allow users to insert their hands and operate the grinder, while being protected from debris and hazards within the enclosure. In various embodiments, the user is free to move the cleaning tool within the enclosure, to clean from multiple positions (e.g., grind the hub area and edge, or maneuver a grinder for more effective cleaning).
Inside the enclosure, a stand with a turntable receives a wheel rim. In an embodiment, the turntable comprises a plurality of chucks to mount or secure the wheel rim. The turntable is driven by a motor to rotate the mounted wheel rim about an axis. In one example, the axis is a vertical axis. The rotational speed of the wheel may be constant or variable. Rotation can be started by an on/off switch. In another embodiment, the motor is operated by a foot pedal controller, so that a user can utilize both hands for operating the grinder inside the enclosure.
The wheel cleaning system further comprises an exhaust fan and filter assembly that may be mounted at the top of the enclosure. The exhaust unit draws out smoke and other airborne pollutants created by the cleaning or grinding process. The exhaust fan and filter may be controlled and operated through a control panel installed on the enclosure's shield, or elsewhere on the enclosure.
Various non-limiting embodiments are further described with reference to the accompanying drawings in which:
Various examples of the present disclosure described herein in are generally directed to systems for, among other things, cleaning automotive and light truck wheel rims, and reducing hazards in such operations. It will be understood that the provided examples are solely for purposes of clarity and understanding and are not meant to limit or restrict the claimed subject matter or relevant portions of this disclosure in any manner.
Turning to
In some embodiments, the enclosure may be partially enclosed, with an open vertical side, as depicted in
A stand 120 is provided within enclosure 110 to support a wheel W during a grinding operation. The stand 120 is designed to be capable of withstanding the weight of the wheel, as well various translational and rotational forces occurring from the wheel and turntable during the cleaning operations. In general, stand 120 supports a wheel at a height 320 suitable for performing a grinding operation. In the example, stand 120 supports wheel at height 320 suitable for performing grinding operation while the user is in a standing position. The stand places wheel at about waist level or slightly above waist level to allow the users arms to form roughly a 90 degree angle with their upper body for maximum leverage and comfort during the grinding operation. This position also facilitates movement of the arms inward and outward from enclosure 110 with minimal interference from surrounding structures such as the shield and edges of the enclosure 110. The height of stand 120 may be adjustable to accommodate users of varying height. Stand 120 may include a turntable 130 to rotatably support wheel W. Turntable 130 rotates relative to stand 120. Alternatively, stand 120 may include rolling elements on which the wheel W is rotatably supported.
Turntable 130 may be selectively rotated by user. The turntable's rotation may be at a constant or variable speed. Turntable 130 may be rotated manually or by a motor 125. In an example, motor 125 is installed at the base 127 of stand 120. A motor controller 129 is provided to control rotation of turntable 130. In an example embodiment, the controller is an on/off switch. In other examples, motor controller 129 may be used to vary the speed or direction of rotation. Motor controller 129 may be located on the enclosure 110 or remote from the enclosure 110. Motor controller 129 may be any suitable controller including but not limited to a switch, a dial, a keypad, slide, or a foot pedal 170 as shown.
With reference to
In the example, shield 140 provides a transparent area above turntable 130 providing a sightline S for user to observe the grinding operation. As best seen in
An exhaust unit 150 may be mounted on the top of the enclosure, to remove smoke and other airborne pollutants from within the enclosure. An exhaust control panel to control power and intensity of the exhaust unit may be located on the enclosure 110 or remote from the enclosure 110. In an embodiment, the exhaust control panel 155 is on the shield 140.
A grinder 160 may be used as the cleaning tool to clean and remove corrosion and other unwanted dirt layers from the wheel. Grinder 160 is shown as a separate implement, such as an angle grinder or the like. Enclosure 110 includes a power supply P to which the grinder 160 may be electrically connected. In the example power supply P includes an outlet that is mounted on the exterior of the enclosure near the access opening provided for cleaning the wheel. It will be appreciated that grinder 160 may be a battery operated tool or a power outlet within the shop may be used in the alternative to the power supply P provided on enclosure 110. Grinder 160 can be manually operated by a user to easily remove build up on a mounted wheel rim. During a cleaning operation, the wheel can be rotated manually, or rotated by the turntable and motor assembly. In one embodiment, open sections of the enclosure (e.g., clearance 144) allow the user access to the wheel during grinding and cleaning. Transparent shield 140, allows the user to see inside the enclosure, and be protected during the grinding operations. The grinder 160 can be mounted to a holder H on a side of the enclosure, for convenience and ease of access. In the example, holder H is located at roughly the same level of access opening or slightly higher or lower to facilitate supporting the grinder in a position that is easily visible to the user and within reach when the user is in the position to perform the grinding operation. It will be understood that such positioning also is helpful when an operator is wearing a face shield or other protective gear that may limit movement and vision. In the example, holder H is also provided on the same side of enclosure as power supply P to facilitate an electrical connection between grinder 160 and power supply P and to prevent cord entanglement or catching on the enclosure.
In an embodiment, as depicted in
The exhaust unit 150 may be powered externally, or controlled by exhaust control unit 155. The control unit 155 turns the exhaust unit 150 on/off, and may control fan speed and intensity of the air suction within the enclosure. In an embodiment, the control unit 155 includes an emergency stop button or switch for safety. In some designs, the exhaust control unit 230 resides in a cutout of the transparent shield 235, as depicted, for ease of access by the user. In another example, the control unit 155 is any suitable controller including but not limited to a switch, a dial, a keypad, or slide.
The transparent shield 140 provides a window for the user to see within the enclosure during the cleaning process. The shield 140 extends downwards to the top of the mounted wheel assembly, or other desired length, to enable user access to the turntable and wheel. In an embodiment, the shield extends downward far enough to accommodate users of varying heights. For example, as best seen in
The opening beneath the shield (e.g., clearance 144) allows the user to maneuver the grinder, wheel rim, or turntable in multiple positions within the enclosure 110. In one embodiment, the enclosure's opening extends from the from the bottom portion of the shield 235 to the floor. In another embodiment, the enclosure may be fully enclosed below the shield, and contain gloved openings that allow the user to handle the grinder within the enclosure. In this example, the user remains separated from the enclosure's interior, and is protected from debris and sparks from the cleaning process.
A stand 120 within the enclosure 110 supports a turntable 130 for mounting a wheel. In an embodiment, the stand comprises a plurality of legs 310. The legs 310 may be affixed to a part of the enclosure, such as a lip 315 around the enclosure's base, or a floor of the enclosure. Alternatively, the stand may be separate from the enclosure. In these examples, the stand's height 320 and position within the enclosure can be adjusted to accommodate user height, comfort, or preference.
The turntable 130 holds the wheel W during the cleaning process. The user can selectively control the turntable to rotate the wheel about an axis. The rotation may be manually controlled, or motor controlled, as described further below. The turntable 240 may comprise a plurality of chucks 235 and a shaft 245. The plurality of chucks 235 provide a platform for mounting the wheel rim during the cleaning process. In an embodiment, the chucks 235 may adjust to secure the wheel during the cleaning process or turntable rotation. The chucks may also be adjusted or interchangeable, to accommodate various wheel rim sizes.
The shaft 245 secures the turntable to the stand 120. The shaft's height may be adjustable, to place the turntable and wheel rim at a height 320 suitable for a user to perform cleaning operations, as described above. In an embodiment the base of the shaft 245 connects to a motor unit 255, which can drive the rotation of the turntable relative to the stand. In an embodiment, the turntable is removable from the stand 120.
Beneath the stand 120 is a motor unit 125 that can receive the shaft of the turntable, and rotate the turntable about an axis. A gear motor within the motor unit may receive external power (e.g., from power unit 260) and drive the rotation of the shaft 245. In one example, the axis of rotation is a vertical axis. In another embodiment, the motor rotates the turntable at a constant speed, or variable speeds. Additionally, a power unit 260 may be provided on or within the enclosure to provide external power to the motor unit 255 and other electronic components in the system. In an embodiment, a user controls the motor unit 255 with an on/off switch, or a foot pedal controller 170. The on/off switch may be present on a control panel located on or within the enclosure, similar to the exhaust control unit. In on example, the motor control and the exhaust control are located on the same panel, which may be located on the enclosure, in an easily accessible position for the user. In another embodiment, a foot pedal controller 170 could allow the user to control power and/or speed of the motor unit and turntable rotation. A foot pedal, or similar control apparatus, would allow the user to utilize both hands when cleaning the wheel. This may increase the user's range of motion within the enclosure, and the user's ability to operate the grinder 160 from multiple positions.
The grinder 160 abrasively removes corrosion and layers of dirt and debris from a wheel rim. A user can manually operate the grinder to contact the mounted, wheel rim within the enclosure, and remove corrosion to clean the wheel. As discussed above, the enclosure 110 and transparent shield 140 allow the user to view the wheel through sightline S during the cleaning process, while being protected from sparks and debris that may be created from grinding and/or cleaning processes. The enclosure design also allows the user to freely move the grinder within the enclosure, and manually clean the wheel from multiple positions. For example, the user can move the grinder to grind the hub area and the edge of the wheel rim, and maneuver the grinder with varying pressure and angles to more effectively remove corrosion and unwanted layers. In an embodiment, a holder 270 affixed to the enclosure 110 holds the grinder 160 or other cleaning tools. The holder 270 further enables easy access and storage during and after the cleaning process. Additionally, it will be understood that various cleaning tools may be used to clean the wheel rim, in accordance with embodiments of the present invention.
The height 320 of stand 120 places the wheel at a position suitable for a user to clean a wheel rim while standing. The height 320 may be adjusted, as discussed above, depending on user height or preference (e.g., a desired clearance 144). The stand may be supported by a plurality of legs 310 attached to the base of the enclosure 315, or separate from the enclosure, which may assist height 320 adjustments.
In this embodiment, the exhaust unit 150 is on the top of the enclosure, while the exhaust control unit 155 is accessibly placed on the front of the enclosure, at an upper portion of the shield 140. The cleaning tool 160 can be stored on a stand 270 on the side of the enclosure.
In an embodiment, the motor unit 125, which rotatably drives the turntable about an axis, is at the base 127 of the stand. The cross-sectional view of
The turntable and chucks may be adjustable to secure and orient the wheel 510 in various positions. For example, the horizontal wheel position results in the rim spinning about a vertical axis of rotation. In this position, a standing user can steadily hold a grinder 720 or other manually-operated cleaning tool against the edge of the wheel rim, as depicted in
The stand 120 may comprise a vertical column to receive the shaft of the turntable, and a plurality of legs to support the vertical column and turntable assembly. When inserted in the vertical column, the base of the turntable shaft is inserted into the motor unit assembly below the vertical column, to rotate the turntable. In an embodiment, the length of the shaft is such that the circular turntable 740 sits just above the top of the vertical column, and rotates without friction or contact against the stand assembly 750.
A user can hold a grinder 160 against a rim 710 of the wheel during a corrosion removal cleaning process. The clearance beneath the shield 140 provides space for a standing user to hold the grinder inside the enclosure to contact the wheel, and to easily maneuver the grinder to enhance cleaning. The shield extends downward to interpose a standing user's sightline to the wheel rim and cleaning operation, thus protecting the user from sparks and debris created during the grinding process.
A wheel cleaning system comprising a protective enclosure defining a covered work area for cleaning a wheel, the enclosure comprising a plurality of walls, a transparent shield, and at least one open portion to access a turntable for holding a wheel within the work area, the transparent shield extending downwards from an upper portion of the enclosure, and the at least one open portion extending downwards from a bottom edge of the shield; a stand supporting the turntable; a motor connected to the turntable, the motor operated by a controller; and an exhaust unit to remove airborne debris produced within the enclosure.
The system of example 1, wherein the enclosure further comprises a raised or removable floor to facilitate cleaning debris produced within the enclosure.
The system of example 1, wherein at least one portion of the plurality of walls is transparent.
The system of example 1, wherein the enclosure protects a user from sparks and debris produced within the enclosure.
The system of example 1, wherein in the stand supports the wheel at a height to allow a standing user to manually clean the wheel.
The system of example 1, wherein a height of the stand is adjustable.
The system of example 1, wherein the controller is a foot pedal controller.
The system of example 1, wherein the motor rotates the turntable at a constant or variable speed.
The system of example 1, wherein the enclosure has no open portions and comprises gloved openings for access into the work area.
The system of example 9, wherein the enclosure further comprises a door to access the work area.
The system of example 1, wherein the turntable further comprises a plurality of chucks to hold the wheel.
The system of example 1, wherein the enclosure contains debris produced during a cleaning process.
The system of example 1, further comprising a grinder to clean the wheel.
The system of example 1, further comprising a tool holder on a wall of the enclosure.
The system of example 1, wherein the exhaust unit comprises an exhaust fan, a filter, and an intake unit.
The system of example 1, further comprising an exhaust control unit to control power to the exhaust unit.
The system of example 16, wherein the exhaust control unit is located on the enclosure.
A method comprising defining, with a protective enclosure, a work area for cleaning a wheel with a protective enclosure, the enclosure comprising a plurality of walls, a transparent shield, and at least one open portion to access a turntable for holding a wheel within the work area, the transparent shield extending downwards from a bottom edge of the shield; supporting the turntable with a stand; connecting a motor to the turntable, the motor operated by a controller; and removing airborne debris produced within the enclosure with an exhaust unit.
The method of example 18, wherein the stand supports the wheel at a height to allow a standing user to manually clean the wheel.
The method of example 18, wherein a height of the stand is adjustable.
The method example 18, further comprising rotating the turntable at a constant or variable speed.
The method of example 18, wherein the enclosure further comprises gloved openings.
The method of example 18, further comprising holding the wheel on the turntable with a plurality of chucks.
The method of example 18, further comprising containing, within the enclosure, debris produced during a cleaning process.
The method of example 18, further comprising cleaning the wheel rim with a grinder.
The method of example 18, wherein the exhaust unit comprises an exhaust fan, a filter, and an intake unit.
The method of example 18, further comprising controlling power to the exhaust unit with an exhaust control unit.
The system of example 1, wherein the enclosure includes a panel that covers the open portion to completely enclose the wheel within the enclosure, the door comprises gloved openings for access into the work area.
The system of example 1, further comprising a grinder holder mounted on a sidewall of the enclosure at adjacent to the open portion
This written description uses examples to disclose the invention, including the best mode, and also to enable one of ordinary skill in the art to practice the invention, including making and using a devices or systems and performing incorporated methods. The patentable scope of the invention is defined by the claims, and may include other examples that occur to one of ordinary skill in the art. Such other examples are intended to be within the scope of the claims if they have structural elements that do not differentiate from the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal language of the claims.
Furthermore, to the extent that the terms “includes,” “contains,” “has,” “having” or variations in form thereof are used in either the detailed description or the claims, such terms are intended to be inclusive in a manner similar to the term “comprising” as “comprising” is interpreted when employed as a transitional word in a claim.
While this document contains many specifics, these should not be construed as limitations on the scope of an invention or of what may be claimed, but rather as descriptions of features specific to particular embodiments of the invention. Certain features that are described in this document in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination. Moreover, although features may be described above as acting in certain combinations and even initially claimed as such, one or more features from a claimed combination can in some cases be exercised from the combination, and the claimed combination may be directed to a subcombination or a variation of a subcombination.
Conditional language used herein, such as, among others, “can,” “could,” “might,” “may,” “e.g.,” and the like, unless specifically stated otherwise, or otherwise understood within the context as used, is generally intended to convey that certain embodiments include, while other embodiments do not include, certain features, elements, and/or steps. Thus, such conditional language is not generally intended to imply that features, elements and/or steps are in any way required for one or more embodiments or that one or more embodiments necessarily include logic for deciding, with or without author input or prompting, whether these features, elements and/or steps are included or are to be performed in any particular embodiment. The terms “comprising,” “including,” “having,” and the like are synonymous and are used inclusively, in an open-ended fashion, and do not exclude additional elements, features, acts, operations, and so forth. Also, the term “or” is used in its inclusive sense (and not in its exclusive sense) so that when used, for example, to connect a list of elements, the term “or” means one, some, or all of the elements in the list.
While certain example embodiments have been described, these embodiments have been presented by way of example only, and are not intended to limit the scope of the disclosures herein. Thus, nothing in the foregoing description is intended to imply that any particular feature, characteristic, step, module, or block is necessary or indispensable. Indeed, the novel methods and systems described herein may be embodied in a variety of other forms; furthermore, various omissions, substitutions and changes in the form of the methods and systems described herein may be made without departing from the spirit of the disclosures herein. The accompanying claims and their equivalents are intended to cover such forms or modifications as would fall within the scope and spirit of the disclosures herein.
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20190054901 A1 | Feb 2019 | US |