EP1118364A2 - Chassis a roulettes pour articles de sport - Google Patents

Chassis a roulettes pour articles de sport Download PDF

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Publication number
EP1118364A2
EP1118364A2 EP00128476A EP00128476A EP1118364A2 EP 1118364 A2 EP1118364 A2 EP 1118364A2 EP 00128476 A EP00128476 A EP 00128476A EP 00128476 A EP00128476 A EP 00128476A EP 1118364 A2 EP1118364 A2 EP 1118364A2
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EP
European Patent Office
Prior art keywords
chassis
wheel
sports equipment
equipment according
curved axis
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.)
Withdrawn
Application number
EP00128476A
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German (de)
English (en)
Other versions
EP1118364A3 (fr
Inventor
Marc Prager
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1118364A2 publication Critical patent/EP1118364A2/fr
Publication of EP1118364A3 publication Critical patent/EP1118364A3/fr
Withdrawn legal-status Critical Current

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    • 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
    • A63C17/01—Skateboards
    • 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
    • A63C17/01—Skateboards
    • A63C17/011—Skateboards with steering mechanisms
    • A63C17/012—Skateboards with steering mechanisms with a truck, i.e. with steering mechanism comprising an inclined geometrical axis to convert lateral tilting of the board in steering of the wheel axis
    • 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
    • A63C17/01—Skateboards
    • A63C17/014—Wheel arrangements
    • A63C17/016—Wheel arrangements with wheels arranged in one track
    • 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
    • A63C17/26—Roller skates; Skate-boards with special auxiliary arrangements, e.g. illuminating, marking, or push-off devices
    • A63C17/265—Roller skates; Skate-boards with special auxiliary arrangements, e.g. illuminating, marking, or push-off devices with handles or hand supports

Definitions

  • the invention relates to a chassis for sports equipment, in particular Roller boards, with at least two wheels, arranged one behind the other are, at least one of the wheels being steerable.
  • roller boards are especially known as skateboards and widespread.
  • bumps generally a user standing on the board with one foot from the floor, with the boards both in flat and in sloping terrain. Meanwhile they go
  • efforts are increasingly towards wind as the driving energy for the Use roller boards.
  • sails are attached to the roller boards, that resemble the sails of surfboards.
  • a further disadvantage is that the steering of roller boards in is generally not adapted to high speeds. This depends along with the fact that usually by shifting body weight caused steering angle of the steerable wheels regardless of the Driving speed is, for example, not a stabilizing board Restoring torque is generated that the wheels in the straight-ahead position drives back.
  • Such a system is known for example from US 5 160 155.
  • This document describes a roller board in which the front wheel is in a wheel fork is mounted, again the wheel fork by a light steering axis running out of the vertical plane is pivotable. That I the (imaginary) contact point of the steering axis on the road in front of the The wheel's contact point is a total of the roller board stabilizing caster.
  • a disadvantage of both arrangements is that the steering angle enabling storage of the wheel fork relatively far from that Wheel axis is spaced. If the bike is now in motion Is exposed to interference, such as when driving over an obstacle, act in the bearing enabling the steering lock due to the long lever between wheel and bearing high torques. Thereby can impair the storage properties, for example a greatly increased friction within the bearing, which increases sensitivity the steering deteriorated significantly. Of course, this is especially the case with minor ones Driving speeds undesirable. In the worst case, it can come to block the camp.
  • the object of the present invention is therefore to provide a chassis for Specify sports equipment in which the disadvantages mentioned avoided be, especially the steering sensitivity of the steerable wheel is not adversely affected by external forces.
  • steerable Wheel is mounted on an approximately symmetrically curved axis and for Formation of a steering lock slidable along this axis is guided, the curvature of which is approximately in the horizontal plane runs.
  • the curved axis In order to stabilize the board, especially with a roller board, the curved axis with its Be oriented backwards. With a complete move of the wheel along the curved axis, the wheel then performs one Panning movement around an imaginary steering axis, the point of contact is located on the road clearly in front of the wheel contact point. This steering axis determines the caster of the wheel.
  • the apex of the curved axis is oriented forward to advance the steerable wheel produce. This can be advantageous, for example, if after a When cornering, the wheel swings back too quickly into the Straight-ahead position is undesirable.
  • the shape of the curved axis it has proven to be cheap proven if it is approximately V-shaped. As part of this Registration can take an approximately V-shaped course curved axis can of course also be understood as an exact V-shape. In particular through the then approximately straight course of the legs The curved axle makes it comparatively easy to steer the wheel to slide on this, the wheel with one side always on one leg, with the other side always on the other Leg remains stored. The kink between the two legs serves as a stop for the wheel bearings. With such a shape the curved The angle between its legs can preferably be between axis 120 ° and 170 °.
  • the wheel may then endeavor, from the Swing the straight ahead position into a set position
  • suitable restoring elements such as spring elements
  • the steerable wheel advantageously has at least two side by side arranged bearings for guidance on the curved axis.
  • the steerable wheel in opposite directions - based on the Straight ahead position - being able to swivel by the bearing on both sides of the wheel are arranged, and each bearing a steering knuckle assigned. Then the vertex of the axis serves as a stop, so that it it is not possible for one of the camps to overcome this crest.
  • the inner ring of the Bearing is substantially spherical and a Has central bore for the curved axis. Through the spherical The surface of the inner ring can be guided radially on the outer ring and be pivoted at the same time and so the above Compensate for misalignments.
  • the inner ring itself is displaceable and rotatably mounted on the curved axis.
  • the rotatability the inner ring guarantees a high sensitivity of the steering, if the one fixed to the wheel is rotating while driving Outer ring has a driving effect on the inner ring and this also set in rotation: by the rotation of the inner ring on the curved axis reduces the friction between these two Elements compared to the shifting forces used for steering, so that the steering sensitivity increases.
  • the inner ring with regard to its storage on the curved axis as a plain bearing or Rolling bearings can be formed. The same applies to the storage of the Outer ring on the inner ring.
  • the outer ring can be used instead and the inner ring of the bearing in the direction of rotation - if necessary with play - be connected; for example by a Tongue and groove connection.
  • the outer ring and the inner ring is connected by a flexible skin made of an elastomer. This skin can then the mentioned alignment differences between the Compensate the legs of the curved axis.
  • the Outer ring and the inner ring without play - for example cohesively - be connected.
  • This variant of the self-aligning bearing exists the outer ring itself made of elastic material that the Compensates for misalignments. This material can in particular Elastomer, fiberglass, carbon or rubber.
  • a reset device can be provided which steerable wheel in a starting position, in particular in the straight-ahead position preloaded.
  • a reset device for example can be caused by spring elements, increases the Driving stability.
  • the reset device train that the restoring force is adjustable. Both driving stability and the steering sensitivity can thus be selected by the user. Especially when at high speeds, such as very strong ones Wind, to be driven, it is favorable to have a correspondingly high Set restoring force so that large transverse forces are compensated for can.
  • each leg of the to provide at least one bellows surrounding the curved axis, which shields the free leg areas and prevents dirt in the bearings can penetrate.
  • the bellows can attack the wheel elastically, so that it as Spring element of the reset device acts. So it wouldn't be necessary to provide an additional reset device, but the Bellows could be used as such.
  • the chambers of the vibration damping system can at least one arranged in a connecting line, as a throttle acting valve. Then as a damping medium especially gases or liquids.
  • At least the tire of the steerable wheel advantageously has Cross-sectional ratio of at most 90 percent, preferably 60 Percent to 88 percent.
  • Such tires where the ratio of Height to width is therefore comparatively small, have an enlarged Tire contact area on what high lateral stability of the tires when Articulation of curves and large lateral forces even with small ones Skew angles enable high cornering speeds are reachable.
  • the chassis can favorably a single-track roller board or a single-track roller skate be provided.
  • the Chassis is provided on a multi-lane vehicle.
  • the present invention is based on a single track Rollboards explained and illustrated. It can just as well Invention, however, in other chassis for sports equipment, such as Inline skaters or double-track roller boards can be provided.
  • the chassis for Rollboard 1 from a base plate 2 and two forming a base these wheels 3 and 4 arranged at the ends an arrow marked running direction of the roller board represent that steerable wheel 3 the front and wheel 4 the rear wheel of the roller board 1 It is essential that the steerable wheel on an approximately symmetrically curved axis 5 is mounted.
  • the curved axis runs approximately V-shaped in a horizontal plane, in the exemplary embodiment in the plane of the base plate 2. It has two mirror images Knuckle 6, 7 with an apex 8 on. The vertex is there - based on the running direction of the roller board - oriented to the rear to produce a wake of the wheel 3 that stabilizes the board.
  • the wheel 3 is supported on both legs 6 and 7 by one Wheel bearing 9 on the leg 6, the other wheel bearing 10 on the Leg 7 is mounted.
  • the wheel In order to produce a steering lock, the wheel is along the legs 6, 7 slidably guided so that a pivoting of the wheel from the in the drawing shown middle position is possible.
  • the imaginary steering axis i.e. the axis around which the Wheel is pivotable in front of the central axis of the wheel, that is also in front the wheel contact point.
  • the position of the steering axle is not constant, but describes approximately a semicircular arc. All in all So there is a wake.
  • roller board 1 If a user now on the roller board 1 one Steering of the wheel 3 wants to effect, he must - in such Roller boards usual - his body weight on the base plate 2 in the Shift direction in which he wants to steer. This will make the board along its longitudinal axis from the horizontal to the inside of the curve tilted so that the wheel 3 - similar to a leaning Level - along one of the legs 6 or 7 from the central position into one more or less wide position slides.
  • the rear wheel 4 is the Rollboards 1 not designed to be steerable, that is to say on a conventional rectilinear axis 11 rotatably mounted. Because of the only schematic drawing can not be seen that the wheel 4, however is not guided along the axis 11. In the shown here Embodiment, the wheel 4 also has no caster.
  • Figure 2 shows the roller board 1 in side view. You can see it clearly Base plate 2 on which the user with his feet while driving stands.
  • the central axis 12 of the steerable wheel 3 is larger axial distance from the corresponding end 13 of the base plate 2 as the central axis 14 of the rear wheel 4 from the opposite end 15 the base plate 2.
  • a receiving device 16 is shown in FIG is arranged on the top of the base plate 2.
  • This Recording device 16 can be a sail, not shown here record so that the roller board 1 can serve as a surfboard.
  • the Receiving device 16 can be a flexible attachment of the sail be trained (power joint).
  • Foot straps on the top are not shown in the drawing of the roller board are attached and overlap the user's feet can. It increases stability on the board ensures what, for example, when jumping or at faster Cornering is desirable.
  • Figure 3 shows the steerable wheel 3 in an enlarged view.
  • the axis 5 curved in the horizontal plane can be clearly seen, on which the wheel 3 is slidably and rotatably mounted.
  • Warehousing takes place via the two self-aligning bearings 9, 10, each of the legs 6 and 7 assigned.
  • the self-aligning bearings 9, 10 consist of spherical ones Inner rings 17, 18 which are slidably mounted on the legs 6, 7.
  • the inner rings 17, 18 have central bores for the legs 6, 7 on.
  • the legs 6, 7 have a circular cross section, so that the inner rings 17, 18 not only shifted in the longitudinal direction, but can also be twisted.
  • the inner rings 17, 18 are in the present embodiment designed as a plain bearing, they can of course, also be designed as a roller bearing and have spherical Outsides on.
  • the apex 8 forms a stop for the inner rings 17, 18, so that their movement is restricted to the respective legs 6, 7.
  • FIG. 4 shows a special embodiment in a schematic top view of the self-aligning bearing 10.
  • the spherical one can be clearly seen Inner ring 18 with a central bore 21 and that on the inner ring outer ring 20.
  • Dash-dotted lines show that a relative movement between the Inner ring 18 and the outer ring 20 for one half of the film 22 one Elongation means a contraction for the other half.
  • FIG. 5 shows a further embodiment of the self-aligning bearing 10 in Top view.
  • a drive plate 24 is mounted on the outer ring 20.
  • Teeth 25 engage in recesses in this drive plate 24 are integrally formed on the inner ring 18.
  • the teeth have 25 in the Recesses so much play that the self-aligning bearing 10 already above mentioned alignment differences between the legs of the can compensate curved axis 5.
  • a rotation of the outer ring 20 and the drive plate 24 around the the center axis then causes the inner ring to be carried along.
  • the rigid teeth 25 can also be flexible be executed.
  • FIG. 6 finally shows a top view of an embodiment of the self-aligning bearing 10, in which the outer ring 20 is formed from an elastic material such as, for example, elastomer.
  • the outer ring 20 is fixedly connected to the cylindrical inner ring 18 here, so that a rotation of the wheel that sets the outer ring 20 in motion Can rotate inner ring 18 instantaneously.
  • Dash-dotted lines show an (elastic) change in shape of the outer ring, which compensates for the alignment differences between the legs of the curved axis.
  • the wheel not - how shown in the exemplary embodiment - over two camps each specifically to store associated legs of the curved axis, but a to use more or less continuous curved axis on the the wheel can slip from one end to the other end. If necessary, it can also be used with a single one, accordingly stable bearings for wheel bearings worked on the curved axis become.
  • the present Invention a chassis for sports equipment is created that stands out a high sensitivity of the steering with simultaneous stability of the Chassis distinguished even at high speeds.

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  • Motorcycle And Bicycle Frame (AREA)
  • Handcart (AREA)
EP00128476A 2000-01-17 2000-12-23 Chassis a roulettes pour articles de sport Withdrawn EP1118364A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000101719 DE10001719C2 (de) 2000-01-17 2000-01-17 Fahrgestell für Sportgeräte
DE10001719 2000-01-17

Publications (2)

Publication Number Publication Date
EP1118364A2 true EP1118364A2 (fr) 2001-07-25
EP1118364A3 EP1118364A3 (fr) 2002-05-22

Family

ID=7627763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00128476A Withdrawn EP1118364A3 (fr) 2000-01-17 2000-12-23 Chassis a roulettes pour articles de sport

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EP (1) EP1118364A3 (fr)
DE (1) DE10001719C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003045511A3 (fr) * 2001-11-26 2003-12-04 Jolanta Mekal Planche a roulettes monotrace
US10463948B2 (en) * 2013-03-19 2019-11-05 Kazumine Kumada Self-propelled skateboard

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11406890B1 (en) 2017-08-25 2022-08-09 David Jackson Skateboard assembly

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5160155A (en) 1988-01-12 1992-11-03 Jacques Barachet Skateboard having two wheels in tandem
EP0747100A2 (fr) 1995-06-09 1996-12-11 Karl Kroher Dispositif pour rouler

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1428912A1 (de) * 1961-02-28 1969-02-06 Kleinmann Walter Rollschuh
FR2201108B1 (fr) * 1972-09-25 1977-12-23 Copier Henri
EP0064360A1 (fr) * 1981-04-28 1982-11-10 Christopher Harry Hepburn Plate-formes dirigeables
FR2613314B3 (fr) * 1987-04-03 1989-07-28 Carn Rozeen Engin bicycle a roues avant et arriere directrices
EP0486013A1 (fr) * 1990-11-15 1992-05-20 Georg Wiegner Appareil de sport
US5330214A (en) * 1991-09-03 1994-07-19 Brooks Paul F Simplified steering mechanism for skateboards and the like
DE19803412A1 (de) * 1998-01-29 1999-08-05 Bayerische Motoren Werke Ag Radaufhängung für Rollbretter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5160155A (en) 1988-01-12 1992-11-03 Jacques Barachet Skateboard having two wheels in tandem
EP0747100A2 (fr) 1995-06-09 1996-12-11 Karl Kroher Dispositif pour rouler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003045511A3 (fr) * 2001-11-26 2003-12-04 Jolanta Mekal Planche a roulettes monotrace
US10463948B2 (en) * 2013-03-19 2019-11-05 Kazumine Kumada Self-propelled skateboard

Also Published As

Publication number Publication date
EP1118364A3 (fr) 2002-05-22
DE10001719A1 (de) 2001-07-26
DE10001719C2 (de) 2002-03-07

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