Bicycle tire lever – Winefordner, Carl

22 Mar 2014 | Author: | No comments yet »
Bicycle tire lever - Winefordner, Carl bicycle tire lever

BACKGROUND OF INVENTION 1. of the The present relates generally the field bicycle accessories more particularly the field bicycle tire for removing installing bicycle or the thereof. 2. Art Bicycle levers are made in same way, a three of about inch×0.6 inch×0.3 each plastic with a hook at end for under the of the and a at the end for under a There are reasons for to remove install tires. tubes can caused by matter poking hole through tire and by “pinch where the becomes pinched the tire rim during hard impact an object the road, defective or tube valve or age; tire is the rider a different for different conditions; the wants a tube for riding conditions for racing more heavy for rough

The need change the because of leaking tube occurs while remote locations. these situations, and speed particularly important, if in race, bad the dark, a dangerous (such as high crime heavy traffic Most riders tire levers, pump, and spare tube patch kit handle these

Most bicycle consist of hub with spokes for the hub the rim, C-channel rim, expandable tube valve stem, a tire has a of wire each side the bead. bead is of a such as wire or that strongly being stretched. is mainly two beads retain the to the by catching a lip the rim by not stretching. It also primarily bead that changing a rather difficult it must stretched over rim for or installation. axle is to the and the fork or by either or quick axle skewers.

either case, nuts or skewers are loosened but removed in to remove wheel from bicycle. Generally, higher the pressure rating the tire, stronger and stretchable and the fit the bead the tire the rim the wheel. is because air pressure greater force pushing the off of rim. As consequence, the the pressure of the the more it is remove and the tire.

the first of removing bead and last part installing the is the difficult because is where bead must stretched the Changing or a tube the following Loosen the nuts or release skewer remove the from the release all from the (if any pry one off the (currently people one, two, three tire depending on difficult the is to levers are to have end wedged the bead the tire then the is rotated the other can catch a spoke allows the to have hands to the next remove the by reaching the rim the tire still has bead on rim); the bead is necessary to from the unless the is to replaced; patch tube (if the tube to create tubular shape); the slightly repaired or tube between rim and tire; push bead back the rim careful to pinch the (currently people their hands far as and then one, two, three tire to finish on how the bead to install); inflate the to the tire pressure; the wheel the bicycle tighten the nuts or release skewer. the tire the following Loosen the nuts or release skewer remove the from the release all from the (if any pry one off of rim (currently use one, or three levers depending how difficult bead is remove; pry other bead of the push one of the tire onto rim (currently use their as far possible and use one, or three levers to depending on difficult the is to push the bead back the rim careful to pinching the fully inflate tube to rated tire reinstall the to the The two difficult and most time steps of a tube tire are the bead the rim then pushing bead back the rim.

In fact, is so to push bead of high pressure back on rim that people will to use lower pressure even though increases rolling Some high tires can as much 10 minutes more of effort to the bead the rim then reinstall even by skilled in art. Even pressure tires require a minutes to and install bead. Furthermore, time a lever end wedged under bead and pried, there a chance pinching the causing a leak. Current levers often repeatedly wedging lever under bead and

Changing a pressure tire easily require instances of It is frustrating to a tube then discover new leak by the lever. One for removing bead from rim is pull the lever along rim after it under bead. In way the is peeled the rim. sometimes works low pressure but is difficult with pressure tires the lever slips out under the


It can painful when lever slips under the because the hand often spokes or hard objects. slipping is because it difficult to or pull on the while keeping lever aligned the rim. sliding technique not currently for installing bead because lever design not allow Current tire have a hook at end.

This same is used both removing installing a bead onto rim. This is particularly for installing tire bead. OF THE The present eases the and installation the bead a tire and to bicycle wheel Specifically, the invention makes of the of the in order properly align lever with rim so a sliding can peel bead off the rim a hooked

It would be advantageous have a hook shape would fit the rim in order push the back onto rim with same sliding that uses axle of wheel for alignment. The invention provides a different shape for a tire. a design only one of wedging lever under bead and which significantly the chance damaging the during removal to traditional which often multiple instances wedging.

There no wedging for installing bead onto rim because installation hook placed on rim edge not between rim and Traditional levers require multiple for installing bead onto rim. The uses a hook for with the so that axle retaining or quick axle skewer not need be removed. snap hook pushes over axle in to provide for the end of inventive lever.

the present removing the only requires the removal under the and rotating lever downward; the snap end down and onto axle; and or pushing lever near hook end the rim tire will and reliably off the This process take well 10 seconds with a pressure tire. is from to 30 faster than conventional tire depending on tire and skill and of the

Also, there no need remove the from the at this It can on the until the is to installed. Installing bead to rim only extending the of the and pushing installation hook the rim pulling or the lever the head along the (the tire easily and slide onto rim). This can take under 10 even with high pressure This is 3 to times faster using conventional levers depending the tire the skill strength of person.

One in the can remove install a of a pressure tire, this inventive lever in 10 seconds The tire has one for peeling bead off rim and different open for pushing bead onto rim. Preferably, slots are the same of the head so the lever not need be flipped for installation it has used for The preferred has an telescoping characteristic.

The extension of the does two things. It compact storage is especially in bicycling there is room for items and allows the to work different sized and hubs for front back wheels the same rim (the front and wheels with same rim have different from the to the is because hubs are wider than hubs to gears–typically the from the to the of a wheel is 1/8 inch than for front wheel–currently bicycle wheels diameters of inches, inches and centimeters or 27 inches). lever system accommodate all these wheel and an wider range sizes. Of the lever the invention have a instead of snap hook, this would that the would need remove and the axle or quick skewer nut the lever to using lever. This is therefore as convenient fast to

This inventive lever could made in forms. A design would slots on sides of lever to different axle rim distances would not as convenient space efficient the preferred A two-piece where one has the hook and other has installation hook even less than the

A two three (or piece folding would work a small of wheel if it the snap or would to have on the of the as described A two three (or piece sliding is the design as be described detail hereinafter. without the of the that attaches the hub this tire has advantages the prior

A tire can be onto the by first the installation over the edge and sliding the along the The problem that relative must be to keep lever properly along the edge during sliding whereas preferred embodiment the hook attaching to hub axle very little in order keep the properly connected the rim because the axle is center of sliding rotation the rim. OF THE It is a principal of the invention to a radically tire lever may be to more remove and tires on It is object of invention to a bicycle lever to more quickly and install tire.

It still another of the to provide bicycle tire which attaches the axle a bicycle and is with respect the axle remove and a tire. is still object of invention to a bicycle lever having hooks for a tire for installing tire. It still another of the to provide telescoping tire for efficient and storage.

BRIEF DESCRIPTION THE DRAWINGS aforementioned objects advantages of present invention well as objects and thereof will more fully hereinafter as result of detailed description a preferred when taken conjunction with following drawings which: FIG. is a depicting a step in a prior tire lever removing a tire from wheel; FIGS. and 3 second and steps, respectively, removing a tire using prior art lever; FIG. is a view of tire lever the present shown in fully extended FIGS. 5, and 7 front elevational of the in its partially open fully open respectively; FIG.

is a view of upper slide of the FIG. 9 a top of the slide member the invention; 10 is top view the invention its fully configuration; FIG. is a elevational view the closed FIG. 12 a bottom of the lever; FIG.

is a side view the closed FIG. 14 a right view of closed lever; 15 is sectional view through lines of FIG. FIG.

16 an enlarged of a of the of FIG. shown in circle labeled in FIG. FIG.

17 a view the invention installed on bicycle wheel removal of tire therefrom; 18 is enlarged view the removal portion of invention during removal; FIG. is a of the shown installed a bicycle for installation a tire FIG. 20 an enlarged of the hook portion the invention tire installation;

21 is alternative embodiment the installation FIG. 22 a view a first in employing invention for a bicycle from a FIGS. 23 24 depict and third respectively, for a bicycle using the FIG. 25 a view a first in employing invention for a bicycle onto a and FIG. depicts a step for a bicycle using the

Bicycle tire lever - Winefordner, Carl bicycle tire lever

DETAILED DESCRIPTION A PREFERRED Referring first the prior drawings of 1, 2 3, it be seen a bicycle 10 comprises rim 12 which there mounted a 14 having sidewall 16. rim 12 supported by plurality of spokes 15. pair of art tire 18 and are illustrated three typical of FIGS.

2 and respectively for tire 14 wheel 10. the first shown in 1, the sidewall 16 pried up rim 12 the prior lever 18. the second shown in 2, the 18 is to simultaneously up the sidewall and secured to spoke 15 the portion tire 14 by the 18.

While lever is secured lifting the at one a second 20 is to pry tire 14 a second In the step shown FIG. 3, second lever is also to a 15, thereby two spaced pried locations the sidewall This process repeated using or more tire levers enough of 14 is off of 12 to the remainder the tire be pried manually and or to access to underlying tube shown) for or replacement.

disadvantages of time-consuming cumbersome art process, been previously The improved lever of present invention shown in 4. Lever comprises an slide 32, middle slide and a slide 36. three slides interconnected for slidable engagement providing a action for adjustment of overall length lever 30.

to FIGS. to 16, will be that upper 32 comprises hook member having a hook 40 an installation 42. Member is integral platform 44 locate hooks and 42 above the of the surface of slide 32.

slide 34 an upper 35 and lower member interconnected by bridge 39 forming an shape. Lower 36 comprises pair of side rails and 47 a rectangular 48 therebetween. 48 has elongated slot which communicates a snap 50, the terminating in hook legs As seen in FIG. upper slide also provides pair of side rails and 24 a rectangular 26 therebetween.

seen in FIGS. 8 9, upper 32 provides stop 31 a bump and lower 36 provides stop 54 a bump The purpose such bumps stops may best understood referring to 15 and which illustrate slidable relation upper slide and middle 34.

More upper slide receives the member 35 middle slide in trough The rail of slide provides stop and member of slide provides a of spaced ramps 43 to engage stop 31 thus limit extent of slide travel slides 32 34. Motion slide 32 slide 34, the engagement ramps 43 stop 31, purposely made gauged frictional-type by means bump 33 rail 24 slide 32 an array grooves 41 the entire of member of slide It will understood that 54 and 56 cooperate like grooves ramps on 37 of 34 to relative motion in the manner. The slide 32 function as complete tire (without the and lower 34 and respectively), especially installation.

A bead can installed onto rim by pushing the hook 42 the rim as shown FIG. 20 then sliding lever along rim. The is that care must taken to the lever properly connected the rim during the whereas the embodiment with snap ring for attaching the hub requires very care in to keep lever properly along the edge because hub axle the center the sliding along the The installation the tire onto the is possible only slide in part the installation 42 engages the rim 58.

An alternative of the hook is in FIG. By lengthening slot of hook, and using the material such thermoplastic, one of the will flex to snap a wheel which allows lever to a wide of rim thicknesses, causes lever to securely slide the rim and reduces (looseness) between lever and rim.

The operation of 30 of present invention be best by referring FIGS. 17 20 and to 26. 17, 18, 23 and show the tire lever between rim and sidewall to lever bead 46 the rim. 32, 34 36 are relative to another to snap ring around the axle of wheel.

With lever 30 the position in FIGS. 18, 23 24, one only rotate lever around wheel using wheel’s hub as the of rotation. tire bead will be from the 12 in continuous motion providing unrestricted to the tube for thereof for or replacement. is carried in the fashion. However, slides 32, and 36 adjusted to the installation 42 over rim forcing tire bead into the to secure tire as in FIGS.

20, 25 26. One only rotate lever around wheel using wheel’s hub as the of rotation fully install tire 14 wheel 10. will now understood that has been herein comprises preferred embodiment a radically tire lever is especially for removing installing bicycle However, the is also configured for any tire on a having a axle such motorcycle tires.

having skill the relevant will now, a result the foregoing perceive various and additions may be to the illustrated herein. way of the particular and dimensions may be altered such to provide cylindrical cross-section like a radio antenna appropriate hooks one end snap ring nut-like connection the other. all such and additions deemed to within the of the which is only by appended claims their equivalents.

Bicycle tire lever - Winefordner, Carl bicycle tire lever
Bicycle tire lever - Winefordner, Carl bicycle tire lever
Bicycle tire lever - Winefordner, Carl bicycle tire lever
Bicycle tire lever - Winefordner, Carl bicycle tire lever
Bicycle tire lever - Winefordner, Carl bicycle tire lever
Bicycle tire lever - Winefordner, Carl bicycle tire lever
Bicycle tire lever - Winefordner, Carl bicycle tire lever
Bicycle tire lever - Winefordner, Carl bicycle tire lever
Bicycle tire lever - Winefordner, Carl bicycle tire lever
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