The present invention relates to a binding system and, particularly, although not exclusively, relates to a binding system for use on a snowboard, downhill ski or cross-country ski.
Snowboarding is a sport that has become extremely popular around the world. The sport itself involves fixing one's feet to a board in a manner whereby the snowboarder (referred to as the “rider”) stands on the snowboard. In doing this, the rider is able to control the board as he/she travels down a slope.
When secured to the board, the rider can perform many dynamic and forceful manoeuvres. This places a demand on snowboard bindings to fulfil many criteria. Safety in these conditions is very important and it is a common feature of most existing snowboard bindings for them not to self-release. It is only the rider, and not any other external factors such as shocks or bumps, which should initiate the release of the binding when snowboarding. This is a fundamental requirement that still remains. The issue of control then becomes a factor for consideration. When turning or performing a manoeuvre, the rider uses the edges and speed of the snowboard to generate the required forces. To gain this edge control through the snowboard, the rider must apply dynamic pressure to toe-side and heel-side edges. Therefore, it follows that there must be secure support for the forward and reverse rotation of the rider's feet on the board. These basic factors constitute the aim of the snowboard binding.
There are many designs for snowboard bindings on the market. However, the most common is the strap and buckle binding. This binding is normally for soft snowboard boots and works by securing the boot to the binding by means of an arrangement of straps and buckles. These bindings also generally have a heel and ankle-supporting structure referred to as a ‘highback’. This highback creates a stable structure through which forces can be transmitted when performing heel edge turns.
Such bindings are generally referred to as ‘manual bindings’. Manual bindings have certain drawbacks for the user. One such drawback is the inconvenience involved in the repetitive action of strapping in and releasing the boot from the binding. Such a procedure can be quite tiresome and very time consuming. The time spent strapping and releasing can constitute a large part of a typical snowboarding session. The action of having to constantly bend over to adjust and secure these bindings often by gloved hands can also create complications due to reduced dexterity. The binding and release procedure also puts the rider into an awkward and unstable position particularly when on an inclined slope. This normally results in the rider resorting to sitting on the cold snow while adjusting and tending to their strap bindings.
To overcome these problems a range of step-in bindings have been devised which use a variety of mechanisms and assemblies to secure the boot to the binding. The basic approach of a step-in binding, unlike the manual binding, is one that does not require engaging or activation by hand. The area of step-in bindings has grown as manufactures realise the importance of a quick and easy method of engaging the softboot to the snowboard. However, the present step-in bindings have drawbacks created by the environment and the way they are used or operated. The problem of snow clogging up mechanisms and assemblies inhibits the engagement and securing of both manual and step-in bindings. Snow clogged step-in bindings must be cleared before engaging can take place. Step-in binding mechanisms that are subject to many outside forces from jumps, shocks and manoeuvres can often accidentally release. These factors create problems for safety and convenience, requiring extra time and effort that the step-in binding should be aiming to reduce.
It is one aim of the embodiments of the present invention to address the above problems and to provide a step-in binding system that allows for snow to be present and not restrict the engagement or reduce the safety of the snowboard binding. It is a further aim of the invention to provide a simple and convenient engaging and release system of the snowboard binding. It is yet a further aim of the invention to provide a means of securing the engaged position against accidental release caused by outside forces. It is a further aim of the invention to provide adequate stability and support to the rider's foot/boot while snowboarding and provide superior control over both toe-side and heel-side turns. It is yet a further aim of the invention to allow easy entry and exit for the rider's engaging boot.
According to a first aspect of the present invention, there is provided a binding system for a snowboard comprising a boot and a boot receiving plate, the boot receiving plate having at least one engagement element, and the boot having at least one boot gripping element wherein the or each boot gripping element and the or each engagement element are operable for flexible respective co-engagement.
The boot receiving plate may be secured to a snowboard, downhill ski or cross-country ski or other device where boot fixing is an important requirement. Preferably, the binding system is a stepping binder system.
Preferably, the binding system comprises first and second boot gripping elements and, preferably, first and second engagements elements. Preferably, the first and second boot gripping elements are both provided on the boot. Preferably, the first and second engagements elements are provided on the boot receiving plate.
The boot may comprise heel and toe sections. Preferably, the first and second boot gripping elements are located on either side of the boot, preferably, on either side of the heel of the boot. Preferably, the first and second engagement means are located in corresponding positions on the boot plate to the first and second boot gripping elements.
Preferably, the binding system comprises means for securing the toe section of the boot to the boot receiving plate. Preferably, the toe section comprises a cavity extending therethrough. Preferably, a bar extends substantially across said cavity. Preferably, the boot receiving plate comprises hooking means extending substantially upwardly therefrom, which hooking means may hook around said bar thereby securing the toe section of the boot to the boot receiving plate.
Preferably, the first boot gripping element and the first engagement element are mutually arranged to provide at least two binding gripping positions at different boot heights above the boot plate.
More preferably, the second boot gripping element and the second engagement element are mutually arranged to provide at least two binding gripping positions at different boot heights above the boot receiving plate.
Advantageously, provision of at least two binding gripping positions at different boot heights above the boot receiving plate at two locations across the boot improves the stability and support of the rider's foot/boot while snowboarding. As obstructions such as snow become located between the boot receiving plate and the sole of the boot, the first and second boot gripping and engagement elements may still secure the boot to the snowboard at a first height above the boot receiving plate. As the obstructions become dislodged, the boot may automatically progress further down towards the boot receiving plate and maintain a secure position at a second, lower height above the boot receiving plate.
Preferably, the means for providing at least two binding gripping positions above the boot receiving plate comprises ratchet means operable to provide the binding between the respective boot gripping element and the engaging element.
Preferably, the ratchet means comprise three or more binding positions at different boot heights above the boot receiving plate.
Preferably, the ratchet means comprise an engagement member and a rack, the rack comprising a plurality of teeth with spaces therebetween, each space providing an engagement member receiving position. Preferably, the rack engages with the engagement member at a plurality of boot heights above the boot plate to optionally secure the boot at one of the said plurality of boot heights.
Preferably, the rack and engagement member are designed so that their respective surfaces are operable to slide over each other in a first direction and operable to lock in a direction opposite to the first direction.
Preferably, the tooth receiving positions provided by the rack and the engagement member are operable to slide over each other as the boot is urged towards the boot receiving plate. Preferably, and advantageously, a plurality of optional gripping positions are thereby provided to lock the boot above the boot receiving plate thereby preventing the boot from being urged away from the boot receiving plate.
Preferably, the outer surface of the boot gripping element comprises the rack which is, preferably, attached to or is integral with the boot. Preferably, the engagement member, which may be an engagement bar, is attached to or is integral with the boot receiving plate.
Preferably, the rack extends away from the boot substantially towards and perpendicular to the boot receiving plate. Preferably, the teeth of the rack extend substantially parallel with the boot receiving plate and, preferably, away from the boot.
Preferably, the teeth of the rack are arranged to engage with the engagement member.
Preferably, the engagement element comprises the engagement member which is, preferably, supported substantially parallel with the boot receiving plate in between two supports, which supports extend substantially away from and perpendicular to the boot receiving plate. Preferably, the engagement bar extends substantially inwardly from the supports and, preferably, generally in a direction towards the rack.
The or each engagement element may be flexible. Alternatively, or additionally, the or each boot gripping element may be flexible. However, preferably, the or each boot gripping element is flexible and the or each engagement element is substantially rigid. However, combinations of the preferred embodiment may be possible. For example, the first boot gripping element may be flexible and the first engagement element may be rigid, and the second boot gripping element may be rigid and the second engagement element may be flexible.
Preferably, the outer surface of the boot gripping element comprise the rack. The rack preferably comprises a rigid material which is, preferably, secured to the underside of the boot by suitable means. Preferably, the boot gripping element further comprises a cavity which is, preferably, located substantially behind the rack. Preferably, said cavity provides said flexibility.
The cavity may be substantially empty. Preferably, the cavity contains a flexible, elastomeric material, which is compressed by the rack upon engagement and/or disengagement from the engagement element. Advantageously, the rack may flex substantially into the cavity upon engagement and/or disengagement from the engagement element. Advantageously, as the rack flexes, the elastomeric material in the cavity is compressed to allow the engagement/disengagement of the binding system. Advantageously, the elastomeric material prevents the cavity from becoming filled with unwanted foreign material which would prevent flexing of the boot gripping element.
Preferably, the binding system comprises at least one binding release mechanism.
Preferably, the or each engagement element each comprises a binding release mechanism operable to disengage the binding system as required. Preferably, the release mechanism is operable to disengage the engagement bar from the rack. Preferably, the binding release mechanism comprises a levering member which is, preferably, pivotally linked to the engagement element. Preferably, the levering member is a lever which is, preferably, operable to engage the boot gripping element when this is flexible, or the engagement element when this is flexible.
In a preferred embodiment, the boot gripping element is flexible and, therefore, the levering member engages said flexible boot gripping element. Preferably, the levering member is pivotally supported adjacent the engagement bar and the application of downward pressure from a user to a first end of the lever causes pivotal rotation such that the second end of the levering member engages the boot gripping element. Advantageously, as the levering member engages the boot gripping element, said element flexes thereby disengaging the boot gripping element from the engagement element.
Advantageously, the application of downward pressure onto the lever serves the dual purpose of disengaging the engagement bar from the ratchet rack and simultaneously urging the boot upwardly and out of the snowboard binding.
In a preferred embodiment, the binding release mechanism may be substantially spaced apart from the binding system such that it may be remote activated. Preferably, the remote binding release mechanism is operable to release the engagement of the or each engagement element from the or each boot gripping element, preferably, simultaneously. Preferably, where a spaced apart binding release mechanism is used, the engagement element comprises an engagement member which is substantially rigid such that it engages the boot gripping element under normal condition and yet, preferably, sufficiently resilient such that it is operable to be disengaged from the boot gripping element upon the application of a disengagement force from the user.
Preferably, the release mechanism comprises pulling means which, more preferably, comprise, a cable which, preferably, comprises first and second ends. Preferably, the disengagement force may be applied to the engagement element via the cable. Preferably, the first end of the cable is secured to the rear of the engagement element such that application of the force to the second end pulls the engagement bar out of engagement from the rack. Alternatively, or additionally, the first end of the cable may be attached to the boot gripping element such that application of the force to the second end pulls the rack out of engagement from the engagement bar.
Preferably, the engagement element comprises a flange which extends away from the engagement bar, the flange having a slot extending preferably substantially perpendicular to the engagement member. Preferably, the first end of the cable comprises a rigid rod, which rod passes through said slot in the flange.
Preferably, the second end of the cable is located on the boot, preferably, at a position substantially higher up the boot than the binding system. More specifically, the release mechanism is located higher up the boot than the ratchet. Preferably, the cable is substantially contained within the boot.
Preferably, the binding release mechanism is located at the back of the boot. Preferably, the binding release mechanism is located above the ankle. Preferably, the second end of the cable comprises handle means. Preferably, means are provided at the back of the boot by which the handle may be maintained at different heights at the back of the boot. Preferably, said means comprise a plurality of hooking means arranged vertically spaced apart up the back of the boot on which the handle may be secured.
Preferably, the boot further comprises means to adjust the lean of the boot. Preferably, said adjustment means comprises an upper heel section and a lower heel section, the relative positioning of said upper and lower heel sections being adjustable, preferably, about a hinge. Preferably, adjustment is operable via a ratchet, which ratchet being, preferably, adjustable substantially about the plane substantially perpendicular to the boot receiving plate to thereby allow the relative positioning of the upper and lower heel sections and, hence, lean of the boot to be altered about the hinge.
Preferably, the ratchet comprises first and second racks each having complimentary surfaces. Preferably, the first rack is provided on the back of the upper heel section and, preferably, comprises a threaded shank extending outwardly therefrom. Preferably, the second rack has an elongate slot extending therethrough, which slot may accommodate said shank. Preferably, the second rack is operable to be secured to the first rack at a plurality of communicating locations by passing the shank through the slot. Preferably, the lower region of the second shank comprises hooking means, which hooking means engages a corresponding sloped hooking means at the upper region of the low heel section.
According to a second aspect of the present invention, there is provided a method of binding a boot to a boot receiving plate, the method comprising the steps of:—
According to a third aspect of the present invention, there is provided a method of releasing a boot from a boot receiving plate, the method comprising the steps of:—
All of the features described herein may be combined with any of the above aspects, in any combination:—
For a better understanding of the invention, and to show how embodiments of the same may be carried into effect, reference will be made, by way of example, to the accompanying diagrammatic drawings, in which:—
a to
a and
Referring to
The embodiment shown in
Referring to
The engaging members 6 consist of an engaging bar 15 which is attached to and extends substantially horizontally to two side panels 19 which extend substantially vertically up from the binding base 4. A release arm 16 is supported in between the side panels 19 adjacent the engaging bar 15. The release arm 16 is rotatable about a pivot 18.
Referring to
Referring to
The teeth 3a on the flexible ratchet 3 thereby pass over the engaging edge of the engaging element 15 until the boot 2 and, hence, ratchet 3 can not move any further towards the binding plate 4. At this point, the energy stored in the elastomeric material 10 causes the ratchet 3 to spring back such that the element 15 engages one of the meshing cavities 3b of the ratchet 3. This would normally be when the element 15 and ratchet 3 are in an engaging position such as that shown in
Referring to
Referring to
Referring to
Extending transversely from the head element 33 is an engaging protrusion 35 which tapers substantially to a narrow engaging tip 35a. The tip 35a is shaped to fit in between the teeth 3a of the ratchet mechanism 3, ie the meshing cavities 3b. Extending in the head element 33 transverse to the axis of the protrusion 35, is an elongate slot 39a.
In use, the flexible engaging head 35 may be made to flex back and forth in the direction of arrow 90 under the tension of a cable 31. This is attached indirectly to the flexible head 33 via a cable anchor 39 which passes through the slot 39a and which sits in a curved section 36 of the head element 33. The cable 31 allows the rider to pull on and flex the head element 33 backwards and, hence, disengage the engaging protrusion 35 from the ratchet 3.
Referring to
Referring to
As can be seen in
Referring to
In order to prevent the adjusting assembly 49 from slipping/sliding upwards or downwards along the heel back 42, a series of horizontal grooves 64 situated on the back face of the adjusting member 48 mate with an opposing series of grooves 56 situated on the base surface of the heel back recess 56. A hook 53 is provided at the base of the adjusting member 48 which is hooked onto a curved recess 54 of a lower ankle support 98 thereby securing the heel back 42 against rotations in either directions shown by arrows 100 or 102 about the heel pivot screw 55.
Referring to
Referring to
The reader's attention is directed to all papers and documents which are filed concurrently with or previous to this specification in connection with this application and which are open to public inspection with this specification, and the contents of all such papers and documents are incorporated herein by reference.
All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and/or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations where at least some of such features and/or steps are mutually exclusive.
Each feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic series of equivalent or similar features.
The invention is not restricted to the details of the foregoing embodiment(s). The invention extend to any novel one, or any novel combination, of the features disclosed in this specification (including any accompanying claims, abstract and drawings), or to any novel one, or any novel combination, of the steps of any method or process so disclosed.
Number | Date | Country | Kind |
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0109957.1 | Apr 2001 | GB | national |
Filing Document | Filing Date | Country | Kind | 371c Date |
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PCT/GB02/01851 | 4/22/2002 | WO | 00 | 3/31/2004 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO02/085474 | 10/31/2002 | WO | A |
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Number | Date | Country | |
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20040155433 A1 | Aug 2004 | US |