The present invention is generally directed toward a wheel supporting and tire bead centering device. More particularly, the present invention is directed to device usable to ensure that the tire bead and the wheel, of a tire and wheel assembly, are concentrically aligned during, and therefore, after the seating the bead of a tire onto a wheel. More specifically, the present invention is directed to a device that ensures that the tire bead and the wheel, of a tire and wheel assembly, are concentrically aligned during, and therefore, after seating the bead of a tire onto a wheel, when the tire and wheel assembly is in a standing upright or vertical position.
After a tubeless tire is mounted on a rim, the bead of the tire must be seated in order to inflate the tire. If the bead is concentric with the rim when it is seated, the tire will be concentric with the wheel when it is inflated. Having a concentric bead is important because, if the bead is concentrically aligned with the rim of the wheel, then the stress on the tire bead will be even all the way around. An even tire bead ensures the concentric alignment on the wheel, which ensures that the tire tread will be round, allowing the tire to roll smoothly on a road and/or highway. If the tire bead is not concentric with the rim of the wheel when it is seated, the tire will not be concentrically aligned with the wheel when it is inflated, and, to varying degrees, stress on the bead will then be distributed unevenly around the rim, and the tire tread will be oblong, or egg-shaped, tending to bounce as it rolls on the road and/or highway. This causes poor ride quality and premature and uneven tire wear, both of which may cause serious safety concerns.
Tires that are mounted manually with tire working tools are generally mounted in a horizontal position, that is, flat on the floor. Concentricity between the bead and the rim after seating the bead in this position is normally not a problem, as the bead is not subject to any localized stress anywhere around its circumference. With the bead seated in such a manner, the tire and wheel assembly may then be lifted to a standing position, placed into an inflation cage, and inflated without concern about concentricity. However, some tire changing shops use powerful automated equipment that mounts tires on wheels when the tire and wheel assembly is in a vertical or upright position.
The freshly mounted tire and wheel assembly is then rolled from the mounting machine for bead seating and inflation. Ideally, the assembly is then dropped into a horizontal position. This drop into a horizontal position will send a shock to the tire/wheel assembly that jolts the two components (that is the tire and the wheel), and causes them to “seek” their most “comfortable, relaxed” (concentric) orientation. The stress around the circumference of the bead will then be even, and the bead will be seated in a concentric fashion. The assembly can then be lifted to a standing or upright (i.e., vertical) position again, placed into an inflation cage, and inflated without concern about concentricity.
However, some of these tire and wheel assemblies can weigh up to 400 pounds or more, and many technicians habitually choose to seat the bead while the assembly is still in the standing or vertical position, thus circumventing the needed drop of the assembly before seating the bead. While this common practice definitely saves time and greatly decreases effort, there are often undesirable consequences.
With the tire and wheel assembly in the standing upright or vertical position, the weight of the wheel, which may be 200 pounds or more, presses down against the lower portion of the tire bead, causing compression of the bottom portion of the tire and deformation the tire bead in that bottom portion of the tire, while also creating a gap between the tire bead and wheel rim at the top portion of the tire and tire bead above the wheel. Seating the bead in this position, with these varying stresses around the bead, will cause the bead to seat in a nonconcentric or misaligned orientation.
Therefore, there is a need for a device to lift and support the wheel of a tire and wheel assembly in a standing or vertical position, in order to facilitate and ensure the concentric seating of the tire bead on the rim of the wheel.
The present invention provides a wheel supporting device for enabling the seating of a bead of a tire concentrically on a rim of a wheel and tire assembly while the assembly is in a vertical orientation. The device includes a main body member having a first end and a second end; a means for holding the device on the top of the tire, the holding means connected to the first end of the main body member; a means for engaging the device with the underside of the wheel rim at the top of the wheel while in the vertical position, the engaging means being operatively connected to the second end of the main body member; a means for adjusting the position of the engaging means, the adjusting means operatively connected to the main body member; and a means for linking the engaging means with the adjusting means.
In one or more other embodiments, the device, as above, may further include holding means that is rotatably connected to the first end of the main body member. Alternatively or in addition, the device may include the holding means that may be a rotatable height-adjusting block. In one or more embodiments, the height adjusting block may be rotatable between a first position and a second position such that the first position corresponds to a wheel of a first size range and the second position corresponds to a wheel of a second size range and wherein the first size is smaller than the second size. The majority of large truck tires fit into one of these two ranges.
In one or more other embodiments, any of the devices, as above, may further include a first connecting means operatively connecting the engaging means to the second end of the main body member and a second connecting means operatively connecting the adjusting means to the main body member. In one or more of these embodiments, the linking means may be secured to both the first connecting means and the second connecting means. In one or more of these embodiments, both the first and second connecting means is a clevis connector. Alternatively, in other embodiments, the linking means may comprise two parallel linking arms.
In one or more embodiments, the adjustment means of any of the devices above may be adjustable to a first position and a second position, wherein the first position corresponds to the engaging means being in a non-engaged position with the underside of the wheel rim and the second position corresponds to the engaging means being in an engaged position with the underside of the wheel rim at the top of the wheel. In one or more of these embodiments, the engaged position corresponds to the bead of a tire being concentrically seated on the wheel rim.
In one or more embodiments, the engaging means of any of the devices may be a lifting arm. In one or more of these embodiments, the lifting arm may include a non-skid and non-marring tip member covering an end of the lifting arm.
In one or more embodiments, the adjustment means of any of the devices may be a lever arm.
Another aspect of the invention provides a method for concentrically centering beads of a tire on a wheel rim of a wheel and tire assembly when the assembly is in a vertical orientation, the method comprising the steps of: providing a wheel supporting device comprising:
Another aspect of the invention provides a wheel supporting device for enabling the seating of a bead of a tire concentrically on a wheel rim of a wheel and tire assembly wherein the assembly is in a vertical orientation and placed within a tire cage. The device includes a main body member having a first end and a second end; a means for holding the device on a top of the tire cage, said holding means connected to the first end of the main body member. The device further includes a means for engaging the device with an underside of the wheel rim, the engaging means operatively connected to the second end of the main body member. Still further, the device includes a means for adjusting the position of the engaging means, the adjusting means operatively connected to the main body member; and a means for linking the engaging means with the adjusting means.
In one or more other embodiments, the device, as above, may further comprise a first connecting means operatively connecting the engaging means to the second end of the main body member and a second connecting means operatively connecting the adjusting means to the main body member.
In one or more other embodiments, the linking means may be secured to both the first connecting means and the second connecting means.
In one or more other embodiments, the adjustment means may be adjustable to a first position and a second position, wherein the first position corresponds to the engaging means being in a non-engaged position with the underside of the wheel rim and the second position corresponds to the engaging means being in an engaged position with the underside of the wheel rim, and wherein the engaged position corresponds to the beads of a tire being concentrically seated on the wheel rim. In one or more embodiments with any of the devices, as above, both the first and second connecting means may be a clevis connector.
In one or more other embodiments, the linking means may comprise two parallel linking arms, wherein the engaging means is a lifting arm including a non-skid and non-marring tip member covering an end of the lifting arm, and wherein the adjustment means is a lever arm.
It will be appreciated that the device of the present invention provides a device to lift and support the wheel of a tire and wheel assembly in a standing or vertical position, in order to facilitate and ensure the concentric seating of the tire bead on the rim of the wheel. Advantageously, the device of the present invention enables users to maintain the tire and wheel assembly in the vertical position after mounting for proper bead seating and inflation, such that the tire bead will be properly concentrically seated around the rim of the wheel.
For a more complete understanding of the features and advantages of the present invention, reference is now made to the detailed description of the invention along with the accompanying figures in which:
The number 10 generally indicates an embodiment of the wheel-supporting device made in accordance with the present invention. With reference to
In one or more embodiments, main body member 12 contains a first arm portion 22 having a first end 24 and a second arm portion 26 having a second end 28. First arm portion 22 and second arm portion 26 are substantially 90-degrees apart from one another, joined together at a bend 30.
In one or more embodiments, first arm portion 22 and second arm portion 26 are solid round bars or circular pipes made of a material selected from the group consisting of metal, plastic, polymeric materials, and combinations thereof. In one embodiment of the present invention, such as shown in the figures of the present invention, first arm portion 22 and second arm portion 26 are both solid round bars.
In one or more embodiments, holding means 14 comprises a rotatable height-adjusting block 32. As will be explained in more detail below, holding means 14 can be anything that will evenly distribute the downward force applied to the top of a tire when device 10 is engaged with a wheel rim. If the downward force applied to the top of the tire by holding means 14 is not evenly distributed, then holding means 14 could pinch the top of the tire, leading to an improper seating of the beads of the tire when device 10 is engaged with the wheel rim. In other embodiments of the present invention, holding means 14 could be a long flat extension connected to first end 24 of first arm portion 22, or instead of being a solid round bar, such as shown in the figures of the present invention, the entirety of first arm portion 22 could be a long and flat piece of metal, plastic, or polymer.
In one or more embodiments, engaging means 16 is in the form of a lifting arm 34 wherein lifting arm 34 includes a first arm portion 36 having a first end 38 and a second arm portion 40 having a second end 42. First arm portion 36 and second arm portion 40 are substantially 90-degrees apart from one another, joined together at a bend 44. In one embodiment of the present invention, second end 42 may be covered with a non-skid and non-marring tip 46. As will be explained below in more detail, lifting arm 34 is adapted to lift a wheel in order to relieve pressure against the lower portion of the beads of a tire caused by the weight of the wheel in a standing tire/wheel assembly.
In one or more embodiments, first arm portion 36 and second arm portion 40 are solid round bars or circular pipes made of a material selected from the group consisting of metal, plastic, polymeric materials, and combinations thereof. In one embodiment of the present invention, such as shown in the figures of the present invention, first arm portion 36 and second arm portion 40 are both solid round bars.
In one or more embodiments, adjustment means 18 is in the form of a lever arm 48 having a first end 50 and a second end 52. As will be explained in more detail below, adjustment means 18 can be anything that will adjust engaging means 16 from being in a position adjacent the underside of a wheel rim, to a position engaged with the underside of a wheel rim. For example, adjustment means 18 could also be a threaded rod, a turnbuckle, a spring, or a strap, cord, or cable.
In one or more embodiments, lever arm 48 is a solid round bar or circular pipe made of a material selected from the group consisting of metal, plastic, polymeric materials, and combinations thereof. In one embodiment of the present invention, such as shown in the figures of the present invention, lever arm 48 is a solid round bar.
In one or more embodiments of the present invention, linking means 20 includes two linking arms 54a and 54b. As will be explained in more detail below, linking means 20 can be anything that pivotally connects the engaging means 16 to the adjustment means 18. For example, linking means 20 could also be a threaded rod, a spring, or a strap, cord, or cable.
As stated above, in one embodiment of the present invention, holding means 14 comprises a rotatable height-adjusting block 32. In one embodiment, rotatable height-adjusting block 32 is rotatably attached to the first end 24 of first arm portion 22 of main body 12. This rotatable attachment is accomplished by the first end 24 being slide through hole 56 of height-adjusting block 32 before a washer 58 is welded over first end 24 of first arm portion 22 of main body 12. In other embodiments, washer 58 may be attached to the first end 24 of first arm portion 22 of main body 12 in any manner, such as with a bolt into a threaded hole in the end of first end 24 of first arm portion 22 of main body 12 and/or applying a cotter pin through a hole in the first end 24 of first portion 22 of main body 12. Height-adjusting block 32 may include machined sides 60 for easier handling without slipping. Machined sides 60 may consist of recesses, knurls, or any pattern that enhances grip ability.
As shown in
Connecting the various subassemblies together are a first connecting means 62 and a second connecting means 64. Specifically, first connecting means 62 pivotally connects the main body member 12, adjustment means 18, and the linking means 20 together; and the second connecting means 64 pivotally connects the main body member 12, engaging means 16, and the linking means 20 together. The first and second connecting means 62 and 64 can be any type of connector that allows the various subassemblies to work in combination with one another. In one embodiment of the present invention, such as shown in
The first clevis type connector 62 comprises a first clevis rod 66 and a first clevis bracket 68 and the second clevis type connector 64 comprises a second clevis rod 70 and a second clevis bracket 72.
In use, the first clevis rod 66 is attached to first arm portion 22 of main body member 12. In one or more embodiments, first clevis rod 66 is attached to first arm portion 22 by any means that securely attaches first clevis rod 66 to the first arm portion 22. In one embodiment, first clevis rod 66 is welded to first arm portion 22. First clevis rod 66 is attached to first arm portion 22 such that aperture 74 is accessible. Second end 52 of lever arm 48 is attached to first clevis bracket 68. Specifically, second end 52 of lever arm 48 is attached inside gap 76 of first clevis bracket 68. In one or more embodiments, second end 52 of lever arm 48 is attached inside gap 76 by any means that securely attaches second end 52 inside gap 76. In one embodiment, second end 52 of lever arm 48 is welded into position within gap 76 of first clevis bracket 68.
Second clevis rod 70 is attached to lifting arm 34. In one or more embodiments, second clevis rod 70 is attached to lifting arm 34 by any means that securely attaches second clevis rod 70 to lifting arm 34. In one embodiment, second clevis rod 70 is welded to lifting arm 34. Second clevis rod 70 is attached to lifting arm 34 such that apertures 78 and 80 are accessible. Second end 28 of second arm portion 26 of main body member 12 is attached to second clevis bracket 72. Specifically, second end 28 of second arm portion 26 is attached inside gap 82 of second clevis bracket 72. In one or more embodiments, second end 28 of second arm portion 26 is attached inside gap 82 by any means that securely attaches second end 28 inside gap 82. In one embodiment, second send 28 of second arm portion 26 is welded into position within gap 82 of second clevis bracket 72.
Once the various aspects of the first and second connecting means 62 and 64 have been attached to the various subassemblies of device 10, the various subassemblies of device 10 can start being connected to one another. Specifically, first clevis rod 66 will connect to first clevis bracket 68 so as to connect main body member 12 to lever arm 48 and second clevis rod 70 will connect to second clevis bracket 72 so as to connect main body member 12 to lifting arm 34.
First clevis rod 66 connects to first clevis bracket 68 by the alignment of aperture 74 of first clevis rod 66 between the apertures 84 of the first clevis bracket 68. Once aperture 74 is aligned with apertures 84, short clevis pin 86 is inserted through the aligned apertures, and then a cotter pin 88 is applied through short clevis pin 86. Second clevis rod 70 connects to second clevis bracket 72 by the alignment of aperture 78 of second clevis rod 70 between apertures 90 of the second clevis bracket 72. Once aperture 78 is aligned with apertures 90, short clevis pin 92 is inserted through the aligned apertures, and then a cotter pin 94 is applied through short clevis pin 92.
Next, upper apertures 96a and 96b of the two linking arms 54a and 54b of linking means 20 will align with aperture 98 of first clevis bracket 68 and lower apertures 100a and 100b of the two linking arms 54a and 54b of linking means 20 will align with aperture 80 of second clevis rod 70. Once all apertures are aligned, long clevis pin 102 will be inserted through aperture 96b of linking arm 54b of linking means 20, aperture 98 of first clevis bracket 68, aperture 96a of linking arm 54a of linking means 20, and washer 104, and then cotter pin 106 is applied through long clevis pin 102; then, long clevis pin 108 will be inserted through aperture 100b of linking arm 54b of linking means 20, aperture 80 of second clevis rod 70, aperture 100a of linking arm 54a of linking means 20, and washer 110, and then cotter pin 112 is applied through long clevis pin 108. Once all this is done, device 10 will be assembled and ready to use to lift and support the wheel of a tire/wheel assembly in a standing position in order to facilitate and ensure the concentric seating of a tire bead.
As shown in the differences between
Similarly, as shown in the differences between
The number 1000 generally indicates an embodiment of the wheel-supporting device made in accordance with the present invention. With reference to
In light of the foregoing, it should be appreciated that the present invention significantly advances the art by providing a wheel supporting device and a method of using a wheel supporting device for concentrically centering beads of a tire on a wheel rim of a wheel and tire assembly when the assembly is in a vertical orientation that is structurally and functionally improved in a number of ways. While particular embodiments of the invention have been disclosed in detail herein, it should be appreciated that the invention is not limited thereto or thereby inasmuch as variations on the invention herein will be readily appreciated by those of ordinary skill in the art. The scope of the invention shall be appreciated from the claims that follow.
This application claims the benefit of U.S. Provisional Application Ser. No. 62/585,582 entitled “Wheel Supporting Tool and Method for Using the Same” filed Nov. 14, 2017, which is incorporated herein by reference in its entirety.
Number | Date | Country | |
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62585582 | Nov 2017 | US |