WO1997031685A2 - Patin a neige pourvu d'une plaque de base interchangeable - Google Patents

Patin a neige pourvu d'une plaque de base interchangeable Download PDF

Info

Publication number
WO1997031685A2
WO1997031685A2 PCT/US1997/002605 US9702605W WO9731685A2 WO 1997031685 A2 WO1997031685 A2 WO 1997031685A2 US 9702605 W US9702605 W US 9702605W WO 9731685 A2 WO9731685 A2 WO 9731685A2
Authority
WO
WIPO (PCT)
Prior art keywords
boot
base plate
insert
heel portion
toe
Prior art date
Application number
PCT/US1997/002605
Other languages
English (en)
Other versions
WO1997031685A3 (fr
Inventor
Robert Bromley
Jay Turkbas
Original Assignee
The Sled Dogs Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by The Sled Dogs Company filed Critical The Sled Dogs Company
Priority to AU19635/97A priority Critical patent/AU1963597A/en
Publication of WO1997031685A2 publication Critical patent/WO1997031685A2/fr
Publication of WO1997031685A3 publication Critical patent/WO1997031685A3/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/086—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings using parts which are fixed on the shoe of the user and are releasable from the ski binding
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings

Definitions

  • the invention relates to a snow skate having a boot and a changeable base plate.
  • skis Traditional alpine ski equipment consists essentially of four pieces of equipment: skis, boots, poles, and bindings mounted to the skis for securing the boots to the skis.
  • the skis are of considerable length (e.g. , usually at least several feet long), and, consequently, the bindings include an automatic release mechanism to release the boot from the binding if significant lateral forces are encountered (such as when the skier falls).
  • Some skiers have utilized somewhat shorter skis to facilitate unconventional maneuvers (sometimes called hot dog or freestyle skiing). Such skis usually utilize typical release bindings.
  • Snow skates are similar to traditional alpine skis in that they include some type of boot and a generally flat base or ski secured to the boot. Snow skates differ from traditional alpine skis, however, in that release bindings are usually not necessary.
  • the ski/gliding surface is actually an integral part of the boot (i.e., it is not removable); since the gliding surface is essentially no larger than what would be the bottom of the boot, one can easily either walk or skate while wearing the skate, so that there is no essential need to be able to remove the base.
  • the skate does not provide much traction for a user when, e.g., walking in a marina or up or down stairs. Moreover, walking with the skates on some surfaces could mar the finish 2 of the bottom skating surface, which may adversely affect the gliding surface of the skate.
  • the binding utilizes a forwardly extending lip on the front end of the boot (which engages a toe piece assembly mounted on the ski), along with a cable-mounted clamp system for attaching to the heel portion of the boot.
  • the rear portion of the binding provides only limited lateral support for the boot, and contains a fairly bulky external mechanism (including cable adjusters, etc.) which not only are subject to wear and inadvertent damage but also do not provide desirable aesthetics.
  • the invention provides an improved snow skate having significant advantages over the prior art.
  • the invention provides a snow skate having a boot which is securable to a generally horizontally oriented base plate, which is desirably not more than about 50% longer than the boot.
  • the base plate desirably has a generally smooth, flat bottom surface along most of its length, suitable for use as a skating/skiing surface.
  • the toe portion of the boot has a forwardly open slot formed therein, the slot being oriented generally parallel to the bottom of the boot.
  • the toe portion of the base plate includes a rearwardly extending flange sized and shaped to be received in the forwardly open slot in the toe portion of the boot, the flange having a generally crescent shape, in plan view, and the crescent-shaped flange being located off-center toward the inner edge of the base plate (i.e., on the left base plate, it is off-center toward the right, and on 97/31685 6 5
  • a manually releasable latch is provided for securing the heel portion of the boot to the heel portion of the base plate.
  • the manually releasable latch may be secured to lock the base plate to the boot.
  • the boot does not need to have any forwardly extending tabs (such as required in the Fleckenstein patent which can make walking in the boot less comfortable), yet provides a very sturdy, low profile binding for securing the base plate to the boot.
  • the toe portion of the base plate includes a substantially rigid ridge which is generally semi-circular in plan view, this ridge capturing the toe portion of the boot to substantially prevent forward, upward and lateral movement of the boot's toe portion.
  • the heel portion of the base plate includes a substantially rigid ridge which is generally semi-circular in plan view, this ridge capturing the heel portion of the boot to substantially prevent rearward and lateral movement of the boot's heel portion, even when the manually releasable latch is in its unlatched position.
  • the manually releasable latch includes first and second interlocking members of complementary configuration, the first interlocking member being carried by the boot and the second interlocking member being carried by the base plate.
  • the latch is movable from a first interlocked position where the first and second interlocking members are interlocked with each other to secure the heel portion of the boot to the heel portion of the base plate, to a second disengaged position where the first and second interlocking members are disengaged from one another, permitting the heel portion of the boot to be removed from the heel portion of the base plate.
  • the first interlocking member may be a tab immovably secured to the boot
  • the second interlocking member may be a complementary tab carried by a movable linkage secured to the base plate, the movable linkage being movable to selectively move the latch from its first interlocked position to its second disengaged position.
  • the base plate includes left and right edges and has toe, ball and heel portions which correspond to the toe, ball and heel portions of the boot.
  • the left and right edges each include a substantially straight segment along that portion of its length extending from at least about the ball portion of the base plate to at least about a forward part of the heel portion of the base plate.
  • Such straight segments of the base plate edges are set at an angle with respect to each another of at least about three degrees—preferably about six degrees, being narrower at the heel portion and wider at the ball portion of the base plate. This angle formed by the edges gives the user good "bite" into the snow to facilitate skating motions, particularly on flat or hard packed snow conditions.
  • the base plate includes a substantially transparent insert recessed in the bottom of the base plate.
  • the top of the insert may have a graphic design (such as a brand name or logo) printed thereon visible through the bottom of the insert.
  • the insert is recessed in the base plate so that the bottom of the insert is substantially flush with the bottom surface of the base plate.
  • Preferably at least one side edge of the insert tapers outwardly from its bottom to its top, such outward taper being effective to mechanically lock the insert into the base plate.
  • the insert is generally rectangular in shape, preferably at least two opposing edges are tapered outwardly from the bottom to the top of the insert.
  • Figure 1 is a perspective view of the snow skate of the invention
  • Figure 2 is a perspective view of the snow skate of the invention with the boot detached from the base plate:
  • Figure 3 is a perspective view from another angle of the snow skate of the invention.
  • Figure 4 is a longitudinal cross sectional view, partially broken away, of the snow skate of the invention
  • Figure 5 is a bottom view of the boot of the snow skate of the invention
  • Figure 6 is a plan view of a the top surface of a base plate of the invention
  • Figure 7 is a bottom view of an alternate configuration of a base plate of the invention
  • Figure 8 is a bottom view of another alternate embodiment of a base plate of the invention.
  • Figure 9 is a cross-sectional view of Figure 8, taken along lines 9-9 thereof.
  • FIGS 1-3 depict in perspective view one embodiment of the snow skate of the invention.
  • a boot 10 is detachably mountable to a base plate 40, which provides a generally flat and smooth skating/skiing bottom surface 70.
  • the boot includes a sole having a tread 12 providing traction for the user when walking in the boot with the base plate 40 detached.
  • One preferred pattern for the boot tread 12 is shown particularly in Figure 5, though many other tread patterns may also be utilized.
  • the lower portion of the boot's upper includes a relatively stiff shell 22 (e.g. , made from a suitable plastic).
  • a relatively rigid ankle support cuff 26 is secured to the stiff shell portion 22 of the boot's upper by a pivot 24, which permits the ankle support cuff 26 to pivot forward and backward with respect to the shell portion 22.
  • the remaining portion 29 of the boot's upper consists of a softer, fabric-like material, such as canvas or nylon.
  • An insulated liner 28 is provided for both warmth and comfort.
  • a pair of straps 27 with conventional racheted buckles are utilized to provide firm but comfortable ankle support for the user.
  • the degree of pivotal movement afforded to the ankle support cuff 26 may be controlled by the tightness/looseness of the straps 27-if tightened up very tight, the boot upper may be virtually stiff, while loosening the straps 27 permits substantial ankle flex, making walking in the boots relatively comfortable.
  • the base plate 40 When secured to the boot 10, the base plate 40 provides a smooth skating/skiing surface for the snow skate.
  • the base plate 40 includes a slightly upturned front end 44, a rear end 58, a toe portion 46 which corresponds to the toe portion 30 of the boot 10, a heel portion 60 which corresponds to the heel portion 14 of the boot 10, and a "ball" portion 54 just behind the toe portion 46, the ball portion 54 corresponding to a similar ball portion 20 of the boot 10, both such the ball portions being located approximately at the ball of the wearer's foot.
  • the overall length of the preferred base plate 40 shown in the drawings is slightly longer than the boot 10, but is nevertheless on the order of the length of the boot 10.
  • the base plate 40 is not more than about 50% longer than the boot 10 and, thus, for a typical adult size boot, not longer than about 20 inches. Actual preferred lengths depend on the size of the boots with which they are intended to be used, but may be, e.g. , in the range of about 15-17 inches).
  • the width of the preferred base plate 40 is slightly wider than the boot 10 and slightly wider than a conventional alpine ski— in the preferred embodiment shown in Figures 1-3, the base is about 5-5 V2 inches. The wider base gives the snow skate better floatation on softer types of snow. Narrower bases may also be utilized, however, depending on the performance characteristics desired and the conditions under which the skates are utilized (e.g., narrower bases tend to perform well on harder packed snow conditions).
  • the toe portion 46 of the base plate 40 includes structure designed to engage the toe portion 30 of the boot 10.
  • this structure comprises an upwardly extending, generally rearwardly concave, substantially rigid ridge 48.
  • the ridge 48 is generally semi-circular in plan view, capturing the toe portion 30 of the boot 10 to substantially prevent forward and lateral movement of the boot's toe portion 30.
  • the ridge 48 also preferably carries a rearwardly extending flange 50 sized and shaped to be received in a complementary forwardly open slot 32 in the toe portion 30 of the boot 10. Engagement of the flange 50 in the slot 32 substantially prevents vertical movement of the boot's toe portion 30 with respect to the base plate 40.
  • the flange 50 preferably has a generally crescent shape, in plan view, and is located off-center toward the inner edge of the base plate (i.e., to the left in Figure 6, which depicts a right base plate). That is, for a base plate to be worn on a left boot, the crescent-shaped flange 50 is off-center toward the right edge (the inner edge) of the base plate, and for a base plate to be worn on a right boot, the crescent-shaped flange 50 is off-center toward the left edge (the inner edge) of the base plate.
  • the off-center position of the flange 50 provides a firm interconnection of the boot's toe portion 30 with the base plate 40, particularly adjacent the ball of the foot and the big toe, which are centrally involved in both balance and the thrusting forces of skating motions.
  • substantially rigid ridge 48 provides a very sound mechanical attachment of the toe portion of the boot to the base plate 40 without requiring any structure extending forwardly of the otherwise natural toe profile of the boot 10.
  • the boot of the present invention has no such structure, and is therefore more comfortable to walk in when the base plate is removed.
  • the heel portion 60 of the base plate 40 includes structure designed to engage the heel portion 14 of the boot 10.
  • this structure comprises an upwardly extending, generally forwardly concave, substantially rigid ridge 62.
  • the ridge 62 is generally semi-circular in plan view, capturing the heel portion 14 of the boot 10 to substantially prevent rearward and lateral movement of the boot's heel portion 14.
  • the ridge 62 also carries a manually releasable latch 64 to secure the heel portion 14 of the boot to the heel portion 60 of the base plate 40.
  • the latch 64 preferably includes first and second interlocking members of complementary configuration, the first interlocking member being carried by the boot 10 and the second interlocking member being carried by the base plate 40.
  • the latch is 8 movable from a first interlocked position where the first and second interlocking members are interlocked with each other to secure the heel portion 14 of the boot 10 to the heel portion 60 of the base plate 40, to a second disengaged position where the first and second interlocking members are disengaged from one another, permitting the heel portion 14 of the boot 10 to be removed from the heel portion of the base plate.
  • the first interlocking member carried by the boot comprises a tab 16 immovably secured to the back surface of the boot heel (see Figure 4).
  • the tab 16 includes an outwardly and upwardly extending protrusion for engaging the second interlocking member (carried by the base plate).
  • the second interlocking member (carried by the base plate) includes a complementary tab 68 carried by a movable linkage 66 secured to the base plate (either directly, or indirectly by way of attachment to the ridge 62 of the heel portion 60).
  • the movable linkage 66 may be of a conventional "over-center” type which is movable to selectively move the latch 64 from its first interlocked position to its second disengaged position (when pulled to the left in Figure 4, the mechanism pivots, releasing tension on the tab 68, which in turn pivots about a second axis, and therefore is permitted to move vertically and rearwardly to disengage from the tab 16 carried by the boot).
  • the manually releasable latch 64 prevents vertical movement of the heel portion 14 of the boot with respect to the heel portion 60 of the base plate 40; in combination with the upwardly extending ridge 62, the heel portion 14 of the boot 10 is effectively captured to substantially prevent movement of the boot's heel portion 14 with respect to the base plate 40.
  • the boot may be provided with a rearwardly extending skirt 18, the skirt having a central slot sized to receive therein the latch mechanism 64.
  • This skirt gives the skate a clean aesthetic appearance, helps protect the latch 66 from damage, and also protects the tab 16 mounted to the boot 10 when the base plate is removed from the boot 10.
  • the ridges carried by the heel and toe portions of the base plate may be integrally molded with the base member itself, or may be manufactured as separate pieces and suitably attached to the base member, as by screws (see, e.g. , Figure 4).
  • Figure 7 depicts a modified embodiment of the base plate.
  • the lateral edges 82 and 83 of the base plate 80 are angled with respect to one another, the resultant base plate 80 being wider near the toe portion and narrower near the heel portion.
  • Each edge 82, 83 includes a substantially straight segment along that portion of its length extending from at least about the ball portion of the base plate (i.e., the portion of the base plate corresponding to the ball of the foot of the user) to at least about a forward part of the heel portion of the base plate.
  • the base plate edges are set at an angle with respect to each another of at least about three degrees, most preferably about six degrees (i.e. , each of them is most preferably set at an angle a of about three degrees from an imaginary centerline
  • Figure 8-9 depict a preferred structure for providing graphic images visible on the bottom surface of a base plate of the invention.
  • alpine skis commonly contain graphic images visible on their bottom sides, such skis are constructed through lamination techniques that readily lend themselves to presentation of such graphic images.
  • the base plates of the invention commonly are manufactured from suitable urethanes (desirably impregnated with polytetrafluoroethylene for reduced friction) by injection molding processes.
  • suitable urethanes desirably impregnated with polytetrafluoroethylene for reduced friction
  • conventional lamination techniques used in ski manufacturing are not 10 suitable for providing graphic images visible from the bottom surface of a snow skate made by such injection molding processes.
  • An insert 74 which is smaller in width and length than the base plate, is made from a suitable durable transparent material, such as polycarbonate.
  • a desired graphic design (such as a brand name or logo) may be printed (such as through conventional silk screening processes) on the top surface 76 of the insert 74 so that the design is visible through the bottom surface 77 of the insert 74.
  • the insert can then be placed in the injection mold and molded into the base. The insert can be held firmly in place, during the molding process, against the bottom of the mold by one or more suitable spacers placed on top of the insert, the spacers being sized to engage the top of the mold when the mold is closed.
  • At least one of the edges 75 of the insert 74 tapers outwardly from its bottom to its top, such outward taper being effective to provide a mechanical interlock to hold the insert in the resultant base plate.
  • at least two opposite edges e.g., two opposite edges of a rectangular insert
  • the bottom surface 77 of the insert will be flush with the bottom surface 70 of the surrounding portion of the base plate 40.
  • a skater may put the boots on, securing the boots by the laces and straps 27. If the skater desires, the straps may be left loose to facilitate comfortable walking to a place where the skater wishes to begin snow skating.
  • the skater engages the toe portion of the boot with the toe portion of the base plate, the flange 50 of the base plate engaging its corresponding slot in the toe of the boot.
  • the heel of the boot may then be placed into its position in the substantially rigid ridge of the base plate's heel portion.
  • the fixtures on the base plate have substantially captured the boot against movement with respect to the base plate—indeed, all directions of relative movement are prevented except vertical movement of the boot heel with respect to the base plate heel. Such vertical movement is prevented, and the boot locked into position, by securing the latch mechanism 64.
  • the base plate will tend to stay with the boot unless the boot heel is raised with respect to the base plate heel.
  • the base plate may be easily removed; alternately, a different base plate may be easily secured to the boot.
  • the tread on the bottom of the boot provides traction for the skater when walking without the base plate, and the lack of any substantial external attachment structure on the boot (i.e., structure for securing the boot to the base plate) also facilitates comfortable walking and makes it unlikely that the skater will cause any damage to the boot, through normal wear, that would adversely affect the proper functioning of the system for securing the boot to the base plate. Even the tab 16 on the rear surface of the boot is substantially protected by the skirt portion 18 on the boot heel. While a preferred embodiment of the present invention has been described, it should be understood that various changes, adaptations and modifications may be made therein without departing from the spirit of the invention and the scope of the appended claims.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

Ce patin à neige comprend une chaussure que l'on peut fixer sur une plaque de base orientée généralement de façon horizontale et présentant une surface inférieure plate, généralement lisse, et conçue pour servir de surface de patinage/ski. La portion antérieure de la chaussure présente une fente ouverte vers l'avant et agencée pour recevoir un rebord, lequel s'étend vers l'arrière, est porté par la portion antérieure de la plaque de base, présente généralement une forme de croissant et est situé de manière décentrée vers le bord intérieur de la plaque de base. On a monté un dispositif de blocage, libérable manuellement, afin d'assujettir la portion talon de la chaussure à la portion arrière de la plaque de base. Ainsi, lorsque l'on a emboîté ledit rebord dans la fente de la chaussure, le dispositif de blocage peut s'enclencher afin d'immobiliser la chaussure sur la plaque de base.
PCT/US1997/002605 1996-03-01 1997-02-21 Patin a neige pourvu d'une plaque de base interchangeable WO1997031685A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU19635/97A AU1963597A (en) 1996-03-01 1997-02-21 Snow skate with changeable base plate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61381696A 1996-03-01 1996-03-01
US08/613,816 1996-03-01

Publications (2)

Publication Number Publication Date
WO1997031685A2 true WO1997031685A2 (fr) 1997-09-04
WO1997031685A3 WO1997031685A3 (fr) 1997-12-24

Family

ID=24458790

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/002605 WO1997031685A2 (fr) 1996-03-01 1997-02-21 Patin a neige pourvu d'une plaque de base interchangeable

Country Status (2)

Country Link
AU (1) AU1963597A (fr)
WO (1) WO1997031685A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022120241A1 (fr) * 2020-12-03 2022-06-09 Odr, Llc Skis, patins et autres dispositifs de glisse, et revêtements, et procédés de fabrication et d'utilisation de ceux-ci dans des applications associées

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188046A (en) * 1978-04-19 1980-02-12 John Fleckenstein Ski and integral boot plate with toe piece and releasable heel binding
US4592567A (en) * 1982-10-19 1986-06-03 Caber Italia S.P.A. Modifiable stiffness ski
DE3937617A1 (de) * 1989-01-09 1990-07-12 Fischer Gmbh Ski
US5393077A (en) * 1993-03-01 1995-02-28 Wanous; Craig C. All season skate
US5615901A (en) * 1994-11-02 1997-04-01 Piotrowski; David J. Adjustable foot equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188046A (en) * 1978-04-19 1980-02-12 John Fleckenstein Ski and integral boot plate with toe piece and releasable heel binding
US4592567A (en) * 1982-10-19 1986-06-03 Caber Italia S.P.A. Modifiable stiffness ski
DE3937617A1 (de) * 1989-01-09 1990-07-12 Fischer Gmbh Ski
US5393077A (en) * 1993-03-01 1995-02-28 Wanous; Craig C. All season skate
US5615901A (en) * 1994-11-02 1997-04-01 Piotrowski; David J. Adjustable foot equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022120241A1 (fr) * 2020-12-03 2022-06-09 Odr, Llc Skis, patins et autres dispositifs de glisse, et revêtements, et procédés de fabrication et d'utilisation de ceux-ci dans des applications associées

Also Published As

Publication number Publication date
WO1997031685A3 (fr) 1997-12-24
AU1963597A (en) 1997-09-16

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