EP1523375B1 - In-line rollschuh rahmen - Google Patents

In-line rollschuh rahmen Download PDF

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Publication number
EP1523375B1
EP1523375B1 EP03765139A EP03765139A EP1523375B1 EP 1523375 B1 EP1523375 B1 EP 1523375B1 EP 03765139 A EP03765139 A EP 03765139A EP 03765139 A EP03765139 A EP 03765139A EP 1523375 B1 EP1523375 B1 EP 1523375B1
Authority
EP
European Patent Office
Prior art keywords
support member
wheel
skate according
arch
wheels
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP03765139A
Other languages
English (en)
French (fr)
Other versions
EP1523375A1 (de
Inventor
René Borel
Shane Coburn
Dustin Latimer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Powerslide Sportartikelvertriebs GmbH
Original Assignee
Powerslide Sportartikelvertriebs GmbH
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 Powerslide Sportartikelvertriebs GmbH filed Critical Powerslide Sportartikelvertriebs GmbH
Publication of EP1523375A1 publication Critical patent/EP1523375A1/de
Application granted granted Critical
Publication of EP1523375B1 publication Critical patent/EP1523375B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00—Roller skates; Skate-boards
    • A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
    • A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00—Roller skates; Skate-boards
    • A63C2017/0053—Roller skates; Skate-boards with foot plate quick release or shoe binding
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C2201/00—Use of skates, skis, roller-skates, snowboards and courts
    • A63C2201/02—Aggressive riding, e.g. grinding

Definitions

  • the invention relates to a roller skate, in particular a pad adapted to make figures.
  • Such a skate is known for a so-called aggressive practice where the skater realizes figures of gliding or jumping on obstacles that puts at his disposal the street and the urban furniture, in particular the edges of pavement or concrete walls, the ramps of stairs, benches.
  • It includes a frame surmounted by a shell and a slipper for the foot of the skater.
  • the chassis has two elongated and parallel wings forming a groove in which are mounted four wheels arranged in line. Between the two middle wheels, the wings of the frame are recessed to form a kind of arch oriented transversely to the longitudinal direction defined by the frame.
  • the skater uses this arch to slide for example along a sidewalk or a banister with its skate across.
  • the arch is used as guiding support during a gliding phase and as an impulse during a jump.
  • Two other support zones of the pad are also used to make figures. These are the two corner surfaces delimited by the sole of the shell, or the support plate of the shoe, and the wings of the frame on the outer and inner side.
  • 'grind' When the skater does not roll, but slips with one of the parts of the skate, it is called 'grind'. When this slip is in the area between the two central wheels, it is called 'royal grind'.
  • An object of the invention is to improve these possibilities of evolution and to give more fluidity in the figures realized by the skater.
  • the invention provides a pad having a frame with a lower support beam of wheels extending in the longitudinal direction defined by the frame, the spar having a housing at each of its ends bounded by two side walls between which is assembled a wheel mounted on an axis, and the spar having between the wheel housings a lower arch defined by a curved surface set back from a line defined by the contact points of the two wheels on a flat surface, such as the arch extends over a length equal to or greater than one third of the distance between the two wheel axes, characterized in that the longitudinal extension V of the arch (24) is greater than the distance L subtracted from the diameter D of the wheel: V> LD.
  • the vault is characterized by its geometry which ensures a deflector function so that when the skater is in position of 'grind' it can perform a rotation of 180 ° while remaining in contact with the ramp and without the wheels do not touch this one.
  • the function of the deflector is ensured by the presence of extensions formed at the end of the roof and which cover the lower part of the wheels located towards the inside of the spar.
  • the geometry of the vault is such that if one fictively extends it in the direction of each of the two wheels, the line thus produced passes below the wheels.
  • the dummy line is substantially tangent to the periphery of the wheels, while passing below.
  • the shoe 1 represented in figure 1 comprises in its upper part a shell 2 provided for receiving a shoe.
  • the shell has a support plate 3 which is provided to receive a shoe sole and a rod 4 which goes up along the skater's ankle.
  • the skater's foot and shoe are immobilized in the shell by a meta strap 7, a lower leg strap 8 and an instep strap 9.
  • the straps 7, 8 and 9 are optionally filled with cushioning cushions.
  • the shell is made of any suitable material, and in particular plastic optionally filled with fibers.
  • the spar 10 extends longitudinally along the hull continuously over substantially its entire length. At each of its ends, the spar 10 has a housing limited by two side walls 11, 12 and 13, 14. A wheel 16, 17 is housed in each housing, and is mounted on an axis 18, 19 carried by the side walls of the spar.
  • the wheel is of any suitable nature. Preferably its diameter is relatively small. Good results have been obtained with wheels 54 to 58 millimeters in diameter, but this is not limiting. Since there are only two wheels and not four, the area available for grind is larger.
  • the height of the spar is slightly less than the diameter of the wheel and the axis of the wheel is preferably placed towards the middle of the height of the spar at a forward of the side walls so that the wheels are released from the spar to the front and back of the skate.
  • the spar has lower extensions 20, 21 which are flush with the surface defined by the contact lines between the wheels and the ground.
  • the extensions extend to the wheels so as to envelop the lower part of the wheels located towards the inside of the spar.
  • These extensions are deflectors that avoid the contact of the wheels with the surface of 'grind', it can be for example a ramp.
  • the extensions have on each side of the wheels chamfered sides 20a, 20b, 21a, 21b, respectively to avoid the contact between these extensions and the ground during the inclination of the pad.
  • the figure 2a shows a front view of the beam 10 showing the angle of inclination of the chamfered panels 20a, 20b. Their inclination is close to the tangent 60 defined by the extension of the line of possible contacts between the wheel and the ground. Thus the transition between a ground / wheel contact and a ground / surface grind contact is much softer.
  • the chamfered panels are substantially parallel to the tangent line 60 but have an elevation greater than this so as not to interfere with angle taps during driving.
  • the lower face 24 of the spar describes a vault delimited by a curved surface set back from a line defined by the contact points of the two wheels on a flat surface.
  • the curvature of the vault 24 is not constant, it has a curved surface in its middle part and flat surfaces, or substantially flat, and inclined towards each of its ends.
  • the radius of curvature could vary along the vault or be constant throughout it. In the same way the vault could be non-symmetrical with respect to its median part.
  • the curved surface of the median part of the vault corresponds to the apex 24a of the vault which is slightly below the level of the axes 18, 19 of the wheels. This geometry favors the positioning of the skater on the ramp, when the pad is exactly perpendicular to the ramp, the contact pad / ramp is at the top 24a of the vault.
  • the spar preferably has two curved lateral surfaces 26 and 27 which converge towards one another towards the middle of the length of the spar.
  • the surfaces 26 and 27 may be of constant curvature or not and be symmetrical or not. These lateral surfaces form somehow side vaults.
  • a chamfer zone 28, 29 is located at the junction of the vault 24 with the two lateral surfaces 26 and 27.
  • a chamfer zone 28, 29 is located at the junction of the vault 24 with the two lateral surfaces 26 and 27.
  • a chamfer one could have several successive chamfers with different orientations or a rounded junction surface. .
  • the side vaults and the chamfered areas leave at the level of the lower vault 24 a flat area which is of the order of 20 millimeters at the top 24a.
  • the flat area extends from the top 24a to the two extensions 20 and 21.
  • the vault 24, the lateral surfaces 26, 27 are provided to serve as guide support during sliding of the pad, for example along a ramp, with different orientations of the pad relative to the ramp. Because of the long stride of the vaults in relation to the length of the spar the skater has more ease of evolution during a figure and support during a jump.
  • the difference between the distance L between the two axes 18, 19, and the longitudinal extension V of the roof 24, is smaller than the average diameter of the wheels, D.
  • the extensions 20 and 21 cover part of the wheels. Reduced ground clearance also improves the possibilities of evolution by facilitating the passage of the wheels over the ramp.
  • the amplitude of the vault considerably increases the possible slip angle.
  • the skater is no longer limited to the transverse positioning of the pad relative to the ramp. A 180 ° rotation of the pad with respect to the ramp is even possible without the wheels touching the rail. Indeed extensions 20 and 21 provide the role of a deflector when the orientation of the spar is close to that of the ramp.
  • the line 61 of fictitious extension of the contour of the vault 24 is close to being tangent with the line of the possible contacts ground / wheel so as to make the transition between the phases of rolling and "grind” softer. In practice, so as not to hinder the rolling phases, the wheel / ground contact is located under line 61 extending from the vault 24.
  • the extensions 20, 21 cover the lower part of the wheels located towards the inside of the spar.
  • the extensions can also be constituted by downward extensions of the side walls 11, 12, 13, 14, ensuring as for the mode shown the deflector function.
  • the spar is made of any suitable material, and in particular plastic optionally filled with fibers and molded. As illustrated by figure 3 for example, the spar can be constructed with a section "U" which defines the wall of the various vaults, with connecting struts 31, 32 and 33 near the wheels and towards the middle. Other construction methods may also be suitable.
  • the spar is assembled to the shell 2 or if necessary to a shoe by any appropriate means.
  • the spar is equipped on the front and rear of two shouldered housing 36, 37 located in the spacer zones 31 and 33 near the wheels. These housings are provided for assembly screws of the shell on the upper part of the spar, possibly in cooperation with complementary forms of interlocking.
  • This method of assembly advantageously allows to exchange the element of the pad that receives the foot or the shoe of the skater. But it is not limiting and other methods of assembly could also be suitable, for example the spar and the shell could form a one-piece assembly.
  • FIGS. 4 and 5 illustrate an alternative construction of the frame according to the invention.
  • the frame has a spar 40 equipped with a wheel 41, 42 at each of its ends.
  • the spar has a lower arch 45, two side arches 46, 47 and two chamfered areas 48, 49 junction.
  • the vault extends over only a portion of the length of the spar.
  • the vault however remains more extensive than the arches used until now for figure skates and the chassis only supports two wheels.
  • the vaults must extend over a distance greater than one third of the distance between the axes of the wheels and preferably greater than half this distance.
  • the deflector function is provided by the particular geometry of the vault.
  • the vault has a constant curvature and its extension towards both ends of the spar traces a fictitious line 43 which is substantially tangent to the periphery of the wheels while being lower than this.
  • the lower arch it is also possible for the lower arch to have, as in the previous embodiment, a curved central zone surrounded by two planar, or substantially flat and inclined zones.
  • the lateral arches 46, 47 extend longitudinally as much as the lower vault. This is however not limiting and it can be expected that the side vaults extend a distance different from that of the lower arch.
  • the chassis provided for fixing two wheels at each of its ends comprises two main parts, a spar 50 and a shoe 51.
  • the figure 6 presents a perspective of the spar 50. As in the previous embodiments, it extends longitudinally and has at each of its ends a housing limited by two side walls. Openings are provided in these side walls, which allow the fixing of the wheels. Each of the side walls is also equipped with a vertical dovetail mortice 53.
  • the central part of the spar consists of an arch 52.
  • the spar is made of a plastic material filled with fiberglass to increase its strength.
  • the figure 7 has a perspective view of the shoe 51. It comprises two side flanks 54 and 55 connected to each other on the lower side by a vault 56.
  • the longitudinal extension V of the vault is greater than one third of the distance L separating the two wheel axles.
  • the vault is extended at each of its ends by extensions 57 and 58 for covering a lower part of the wheels. These extensions 57 and 58 provide the function of deflector and prevent contact of the wheels with the ramp during a maneuver performed on it.
  • the shoe 51 is made of a material facilitating sliding such as Delrin®. This is not limiting and we can choose another material
  • the figure 8 shows a sectional view of the assembled frame before it is attached to the shoe. Both wheels were mounted in the spar housing. Then the shoe is slipped from below on the spar. Studs 59 protruding from the inner faces of the side flanks of the shoe cooperate with the mortises 53 formed in the spar to position and maintain the shoe on the spar. Cylindrical chimneys 60 are made in the shoe which serve for the insertion of two fastening means (not shown) for attaching the shoe and the spar to the boot.
  • all the parts of the chassis that come into contact with the surfaces to be grinded are constituted by the shoe, which is interchangeable.
  • the shoe can easily be replaced if it is too worn or if you want to change the sliding properties of the pad. For example, an inexperienced skater will prefer a shoe with limited gliding capabilities.
  • Another advantage of this embodiment lies in the fact that the wheel axles (not shown) are completely hidden by the shoe. There is thus no risk of damaging the screw heads used to attach the wheels. In addition, inadvertent unscrewing of these and the loss of a wheel during practice is excluded.
  • the profile of the vault is that of a "v", two substantially flat surfaces frame a curved median portion.
  • Such a profile gives the skater a reference position, that of a direction of grind perpendicular to the alignment of the two wheels and a contact between the frame and the ramp being in the deepest part of the vault, that is, ie in its curved median portion.

Landscapes

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

Claims (15)

  1. Inline-Rollschuh, ein Chassis mit einem unteren Längsträger (10, 40) aufweisend, der sich entsprechend der durch das Chassis definierten Längsrichtung erstreckt, wobei der Längsträger (10, 40) an jeder seiner Extremitäten einen Aufnahmeraum aufweist, der durch zwei laterale Wände (11, 12, 13, 14) begrenzt ist, zwischen denen ein auf einer Achse (18, 19) montiertes Rad vom Durchmesser D angeordnet ist, wobei ein Abstand L die beiden Achsen voneinander trennt, wobei der Längsträger zwischen den Aufnahmeräumen der Räder eine untere Wölbung (24) aufweist, die durch eine Fläche begrenzt ist, die in Bezug auf eine durch die Kontaktpunkte der zwei Räder auf einer ebenen Fläche definierte Linie nach innen gekrümmt ist, und wobei die Längsausdehnung V der unteren Wölbung (24) größer ist als ein Drittel des Abstands L zwischen den beiden Achsen (18, 19): V > U3,
    dadurch gekennzeichnet, dass die Längsausdehnung V der unteren Wölbung (24) größer ist als der um den Durchmesser D des Rades verringerte Abstand L: V > L - D.
  2. Inline-Rollschuh gemäß Anspruch 1, dadurch gekennzeichnet, dass der Längsträger zwei laterale Wölbungen (26, 27, 46, 47) aufweist, die sich über eine Strecke erstrecken, die gleich oder größer ist als ein Drittel des Abstandes zwischen den beiden Achsen der Räder, die sich an jeder der Extremitäten des Längsträgers befinden.
  3. Inline-Rollschuh gemäß Anspruch 2, dadurch gekennzeichnet, dass die untere Wölbung (24) und die lateralen Wölbungen (26, 27) durch Abschrägungszonen (28, 29) verbunden sind.
  4. Inline-Rollschuh gemäß Anspruch 1, dadurch gekennzeichnet, dass der Längsträger (10) untere Verlängerungen (20, 21) in Richtung jeder seiner Extremitäten aufweist.
  5. lnline-Rollschuh gemäß Anspruch 4, dadurch gekennzeichnet, dass die Verlängerungen (20, 21) sich bis zu der Ebene der Räder (40, 42) erstrecken, deren unteren Teil sie umwölben.
  6. Inline-Rollschuh gemäß Anspruch 5, dadurch gekennzeichnet, dass die Verlängerungen (20, 21) abgeschrägte Seitenstücke (20a, 20b, 21 a, 21 b) an jeder Seite der Räder aufweisen.
  7. Inline-Rollschuh gemäß Anspruch 1, dadurch gekennzeichnet, dass die Wölbung (24) eine kontinuierliche Krümmung aufweist.
  8. Inline-Rollschuh gemäß Anspruch 1, der gekennzeichnet, dass die Krümmung der Wölbung (24) über ihre Länge variiert.
  9. Inline-Rollschuh gemäß Anspruch 1, dadurch gekennzeichnet, dass der Längsträger mit einem Anschlag versehene Aufnahmeräume (36, 37) aufweist, die für das Zusammenfügen mit einer Schale (2) oder einem Schuh vorgesehen sind.
  10. Inline-Rollschuh gemäß Anspruch 2, dadurch gekennzeichnet, dass er im Querschnitt eine "U"-Form darstellt, die die Wand der verschiedenen Wölbungen (24, 26, 27) mit den Verbindungsquerriegeln (31, 32, 33) definiert.
  11. Inline-Rollschuh gemäß Anspruch 8, dadurch gekennzeichnet, dass die Wölbung in ihrem Mittelteil eine gekrümmte Fläche und in Richtung jeder ihrer Extremitäten ebene und geneigte Flächen umfasst.
  12. Inline-Rollschuh gemäß Anspruch 1, dadurch gekennzeichnet, dass die fiktive Linie (43), die die Wölbung in Richtung der beiden Extremitäten des Längsträgers verlängert, unterhalb jedes der beiden Räder verläuft.
  13. Inline-Rollschuh gemäß Anspruch 1, gekennzeichnet durch
    einen unterhalb des Längsträgers (50) angebrachten Unterlegkörper (51), der mindestens den zwischen dem erster Rad und dem zweiten Rad befindlichen unteren Teil des Längsträgers (50) bedeckt, und der eine untere Wölbung (56) aufweist, die geeignet ist, beim Praktizieren mit einer "Grind"-Fläche außerhalb des Inline-Rollschuhs in Berührung zu kommen, wobei die Längsausdehnung V der unteren Wölbung (56) größer ist als ein Drittel des Abstandes L: V > U3
  14. Inline-Rollschuh gemäß Anspruch 13, dadurch gekennzeichnet, dass die Längsausdehnung V der unteren Wölbung (56) größer ist als der um den Durchmesser D des Rades verringerte Abstand L: V > L - D.
  15. Inline-Rollschuh gemäß Anspruch 14, dadurch gekennzeichnet, dass der Unterlegkörper (51) und der Längsträger (50) mittels zweier Befestigungsmittel an dem Rest des Inline-Rollschuhs befestigt sind.
EP03765139A 2002-07-18 2003-07-10 In-line rollschuh rahmen Expired - Lifetime EP1523375B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US197557 2002-07-18
US10/197,557 US6902173B2 (en) 2002-07-18 2002-07-18 Frame for a skate, and a skate having such frame
PCT/FR2003/002155 WO2004009192A1 (fr) 2002-07-18 2003-07-10 Chassis pour patin

Publications (2)

Publication Number Publication Date
EP1523375A1 EP1523375A1 (de) 2005-04-20
EP1523375B1 true EP1523375B1 (de) 2010-03-24

Family

ID=30442962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03765139A Expired - Lifetime EP1523375B1 (de) 2002-07-18 2003-07-10 In-line rollschuh rahmen

Country Status (6)

Country Link
US (1) US6902173B2 (de)
EP (1) EP1523375B1 (de)
CN (1) CN1298401C (de)
AU (1) AU2003263280A1 (de)
DE (1) DE60331835D1 (de)
WO (1) WO2004009192A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060022417A1 (en) * 2002-02-20 2006-02-02 Roderick John A Wheeled shoe accessories
FR2883485A1 (fr) * 2005-03-25 2006-09-29 Salomon Sa Chassis pour patin
US20090146386A1 (en) * 2005-09-26 2009-06-11 Renault S.A.S. In-line skates, frame assemblies and assemblies for modifying in-line skates
US7931283B2 (en) * 2007-07-23 2011-04-26 Sunshine Distribution, Inc. Frame assembly for in-line skate
USD1007110S1 (en) 2022-03-23 2023-12-12 Mountain Origins Design LLC Footwear
USD1033862S1 (en) 2022-03-23 2024-07-09 Mountain Origins Design LLC Footwear
USD1007826S1 (en) 2022-03-23 2023-12-19 Mountain Origins Design LLC Footwear
USD1008611S1 (en) 2022-03-23 2023-12-26 Mountain Origins Design LLC Footwear
USD1007825S1 (en) 2022-03-23 2023-12-19 Mountain Origins Design LLC Footwear

Family Cites Families (21)

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Publication number Priority date Publication date Assignee Title
CH55385A (de) * 1911-03-24 1912-08-16 Leopold Foldenauer Rollschuh
US4138127A (en) * 1977-11-08 1979-02-06 Mattel, Inc. Two wheel roller skate or the like
US4146241A (en) * 1978-03-13 1979-03-27 Stevenson Richard L Roller skate snap-on wheel truck
US4294455A (en) * 1979-05-02 1981-10-13 M & K Industries, Inc. Roller skate construction
US4618158A (en) * 1983-09-06 1986-10-21 Janusz Liberkowski Roller skates for figure skating
FR2668072A1 (fr) 1990-10-19 1992-04-24 Vullierme International Sarl Bottine-patin a glace ou a roulettes en ligne a chausson souple et etrier arriere.
US5326115A (en) * 1992-12-30 1994-07-05 Roller Derby Skate Corporation Homogeneous integrally molded skate chassis
USD359542S (en) * 1994-06-06 1995-06-20 Victor Sherman Roller skate
US5947486A (en) * 1994-11-04 1999-09-07 City Glider Product Gmbh Biodynamic roller skate
USD392360S (en) * 1996-06-12 1998-03-17 First Team Sports, Inc. In-line skate
DE29612211U1 (de) * 1996-07-12 1996-11-07 Sunshine-Products Windsurfing Vertriebs-GmbH, 83071 Stephanskirchen Einspuriger Rollschuh
CN2267072Y (zh) * 1996-07-30 1997-11-12 谢银旺 弹跳式溜冰鞋
DE29613117U1 (de) 1996-07-31 1996-12-05 Hsieh, Yin-Wang, Panchiao, Taipeh Sprungrollschuh
US5836591A (en) 1996-10-11 1998-11-17 Mearthane Products Corporation In-line wheeled skate for extreme skating
FR2766102B1 (fr) 1997-07-16 1999-10-01 Salomon Sa Patin a roues en ligne disposant de moyens d'amortissement du pied de l'utilisateur
DE29716751U1 (de) 1997-09-18 1997-11-27 Heybach, Dieter, 73269 Hochdorf Grind-Plates für Inline-Skates
US6056302A (en) 1998-08-17 2000-05-02 Smith; Marc Skateboard truck assembly
FR2790970B1 (fr) * 1999-03-15 2001-11-02 Salomon Sa Patin, notamment a roues en ligne, pour un patinage "aggressive"
DE10013413C2 (de) * 2000-03-17 2003-06-05 Harry Gaus Rollsportgerät
CN2456771Y (zh) * 2000-12-18 2001-10-31 吴煜池 直排轮溜冰鞋
US20030227144A1 (en) * 2002-06-05 2003-12-11 Johnson Michael L. In-line skate frame with H-block

Also Published As

Publication number Publication date
CN1298401C (zh) 2007-02-07
CN1668361A (zh) 2005-09-14
US6902173B2 (en) 2005-06-07
WO2004009192A1 (fr) 2004-01-29
US20040012163A1 (en) 2004-01-22
AU2003263280A1 (en) 2004-02-09
DE60331835D1 (de) 2010-05-06
EP1523375A1 (de) 2005-04-20

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