EP2237844B1 - Rollelement - Google Patents

Rollelement Download PDF

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Publication number
EP2237844B1
EP2237844B1 EP09705794A EP09705794A EP2237844B1 EP 2237844 B1 EP2237844 B1 EP 2237844B1 EP 09705794 A EP09705794 A EP 09705794A EP 09705794 A EP09705794 A EP 09705794A EP 2237844 B1 EP2237844 B1 EP 2237844B1
Authority
EP
European Patent Office
Prior art keywords
rolling
movement
bead
track
member according
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.)
Not-in-force
Application number
EP09705794A
Other languages
English (en)
French (fr)
Other versions
EP2237844A2 (de
Inventor
Thierry Poichot
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 EP2237844A2 publication Critical patent/EP2237844A2/de
Application granted granted Critical
Publication of EP2237844B1 publication Critical patent/EP2237844B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A63C17/08—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type single-wheel type with single 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
    • A63C17/0066—Roller skates; Skate-boards with inclined wheel, i.e. not perpendicular to the surface it rolls on
    • 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
    • A63C17/10—Roller skates; Skate-boards with endless tracks
    • 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
    • A63C17/22—Wheels for roller skates

Definitions

  • the present invention relates to a running gear, as well as sports equipment, leisure or individual displacement or a vehicle equipped with such a running gear.
  • the invention of the tire and the successive improvements of the tires made it possible to optimize the lateral stiffness and the deformation capacity of this tire, thus increasing the ground contact surface as shown in FIG. Figure 1c .
  • the longitudinal component opposes the movement, generating a waste of energy.
  • the vertical component directly impacts the comfort of the mobile equipment, and it varies the contact pressure on the ground, which can go as far as canceling it, causing a partial or total loss of adhesion.
  • the lateral component influences the path of movement, especially at a steering wheel.
  • the displacement of the wheel induces an aerodynamic drag proportional to its wing surface and to the square of the speed of displacement.
  • all-terrain vehicle wheels are oversized, so they are heavier and the mechanical strength of all components must be increased.
  • a rolling member which does not have a circular shape such as a wheel, but a profile adapted to a specific application.
  • the subject of the present invention is a running gear comprising a trajectory guide and a part that is movable with respect to the trajectory guide intended to form a tread traveling in a closed circuit, characterized in that the movable part comprises a continuous and flexible displacement rod, and the path guide is arranged to guide the moving part on a left trajectory with variable curvature.
  • the running gear according to the invention behaves in part like a wheel, namely that the movable part, which we call displacement rod, unfolds without friction on the ground, driving, guiding and supporting the vehicle and / or the person who is equipped.
  • the moving part unfolds in a closed path that is neither circular nor even included in a plane. Indeed, the shape, the dimensions, and the choice of the materials which constitute the coil of displacement confer to him characteristics of torsion and bending, which allow him to follow, by elastic deformation, a left closed curved trajectory with variable curvatures. it is imposed by the trajectory guide.
  • the member comprises revolution rolling elements disposed between a rolling surface of the movable part and the path guide so as to facilitate the relative movement between the path guide and the moving part.
  • the displacement rod is made of elastic material.
  • the bead may have inside a core of softer material, or a foam, or a vacuum filled with a gas under pressure.
  • the coil comprises several elements made of different materials reported to obtain different mechanical properties for the tread, the running surface and the core.
  • the bead has inwardly facing impressions of the path intended to cooperate with means intended to constrain the movement in a single direction.
  • the member comprises braking means cooperating with the displacement rod.
  • the flange comprises at least two rolling surfaces between which is disposed a flexible core so as to provide the rigidity necessary for the transmission of the guide forces and holding the displacement rod.
  • the trajectory guide comprises rolling tracks for guiding the rolling element movement
  • the displacement rod comprises one or more rolling surfaces, the rolling elements thus being housed between the rolling surface of the rolling rod. displacement and running track.
  • the rolling elements comprise a certain number of rollers whose axis of rotation is integral with the path guide, the displacement rod comprising one or more rolling surfaces on which the rolling elements bear.
  • the trajectory guide is arranged so that the coil has several distinct contact zones with the displacement surface.
  • the present invention also relates to an equipment or pad movement, sports, or leisure individual comprising a rolling member as previously described.
  • the equipment is equipped with a foot plate, intended to receive the two feet of the skater, who uses it as a skateboard, a snowboard, or a surf.
  • the present invention further relates to equipment for any use proper to allow or facilitate the movement of persons or goods comprising a running gear according to the invention or a land, air or sea vehicle comprising such a rolling member.
  • the rolling member also comprises revolution rolling elements 5 disposed between the movable portion 1 and the path guide 2 so as to ensure a movement with limited friction between these two parts of the member.
  • the displacement rod comprises on an outwardly facing portion of the path and intended to be in contact with the displacement surface a tread 10.
  • This tread has a profile and sculptures that can be adapted according to the type of displacement surface chosen.
  • the flange comprises a portion positioned towards the inside of the trajectory of the flange comprising rolling surfaces 11 on which the rolling elements 5 will roll, hard enough for the rolling force to be minimal.
  • the bead may have inside a core 12 of softer material, or a foam, or a vacuum filled with a gas under pressure.
  • the flange can also have indentations facing towards the inside of the trajectory allow to drive a gear wheel, which can be provided with a freewheel hub, to prohibit the reverse, especially in the climbs, possibly disengageable if necessary and may also optionally have the function of a brake disk.
  • a surface 14, preferably turned towards the inside of the trajectory, may optionally be used as a braking drum.
  • This surface 14 may also be used to constitute an anti-recoil system by wedging rollers against inclined surfaces, or by wedging eccentric surfaces, possibly still disengageable if necessary
  • the shape of the displacement rod 1 is imposed by the guide path 2 through the rolling elements 5, allowing a displacement of the roll without friction.
  • the trajectory guide Before it is mounted between, on, or around the trajectory guide, it may be a circular, tire-like, flexible ring, the developed one of which is defined by these trajectory guides. This allows it to have a radius of curvature at rest corresponding best to the average of the radii of curvature described during its displacement.
  • It can also be at rest as a rectilinear element, possibly less expensive to manufacture, which will be closed and fixed on itself ring, before, during, or after its integration with the trajectory guide.
  • the path guide 2 is machined and formed according to the desired displacement path of the displacement rod.
  • the trajectory guide 2 comprises rolling tracks 2a for guiding the movement of the rolling element, in particular of the ball bearing type 5a.
  • Each rolling element 5a is thus housed between the rolling surface 11 of the displacement rod and the rolling track 2a.
  • the trajectory guide may also comprise means for fixing rolling elements constituted by at least one roller 5b.
  • the pivot of the roller is secured to the path guide, and the roller rolls on the rolling surface 11 of the displacement rod.
  • the bearing areas of the rolling elements on the displacement rod are arranged to guide the movement thereof and to avoid lateral movements.
  • the trajectory guide 2 and the rolling elements 5 provide the lateral guidance, the different inflections of the trajectory of the flange, the radial guide for rolling on the displacement surface, and a restraint to prevent the flange from escaping ( "off"), or its voltage.
  • the materials chosen for the displacement rod allow it the elasticity necessary to follow the left ovoid displacement path represented on the Figures 2 and 3 in an elastic way, it restores by releasing all or part of the energy consumed to deform.
  • the hoof may consist of a shoe that the skater laces or locks around his foot like an ice skate according to a first variant, or may include fastenings allowing to practice with special shoes, such as cross-country ski boots, or mountain shoes for example, according to a second variant shown on the Figures 2 and 3 .
  • the shoe is fixed on a frame 3 on which is fixed a rolling member as described above.
  • the skate according to the invention proposes a simple solution, technically reliable, financially balanced, which brings more stability, more comfort, and a better versatility of use.
  • the running gear according to the invention makes it possible to develop different ranges of rollers, more comfortable, more stable, safer, and more versatile.
  • the shape of the running tracks depends on the shape of the rolling elements, and the constraints to assume.
  • the number of running lanes depends on the criteria for using the equipment.
  • the displacement rod constitutes an elastic ring comprising, as in the previously described embodiments, a tread 10, rolling surfaces 11.
  • a flexible core 20 is included in the displacement rod 1, between the rolling surfaces 11 situated on either side of the bead so as to provide the rigidity necessary for the transmission of the guiding and holding forces of the displacement rod. .
  • the flanks 22 of the flange reconcile a good lateral resistance, and a good damping capacity.
  • the core 12 of the bead is made of softer material, or a foam, or a vacuum filled with a gas under pressure.
  • the boudin can also incorporate an inner tube.
  • the flange can provide other ancillary functions: Fingerprints on the underside may allow the mechanical training of ancillary elements: braking, freewheel, engine, or other.
  • the trajectory guide 2 is connected to a vehicle by a connecting element 17 which houses the trajectory guide 2.
  • the connecting element may have a U-shaped profile forming a housing for the trajectory guide 2.
  • a damping element 18 is advantageously disposed between the trajectory guide and the bottom of the housing.
  • the path guide 2 is made in one piece or in parts 2c, 2d and 2e, machined or shaped according to the desired travel path to meet the use.
  • Only one guide can support all running surfaces, but these can also be spread over several guide parts. Their number is not limited, it depends on the use.
  • Each guide portion has one or more integrated or reported rolling surfaces on which the rolling elements 5 will roll. These surfaces may belong to inserts, glued, recessed, overmoulded, or other, or be provided in the guide. The harder they will be, the lower the rolling effort will be.
  • the path guide provides, through the rolling elements, the lateral, axial and radial guide of the rolling flange, and the transmission of forces.
  • a recycling circuit of the rolling elements will be incorporated.
  • the single guide, or all of the guide portions, constitutes the annular hub of the flexible wheel.
  • the hub may comprise complementary elements, in particular for the attachment and maintenance of the trajectory guide part or parts 2, and for connection to the vehicle. It can comprise several zones, rigid, or more or less flexible, depending on the constraints supported by the portion of trajectory considered, and the functions to be fulfilled: zone of transmission of the forces on the ground, zone of connection with the vehicle, zone of connection to the suspension, deformation zone, etc.
  • the guide parts can be integrated in an ad hoc imprint of the vehicle, rigidly or elastically or guided by supports connected or articulated on the vehicle, rigidly, or elastic. These guide parts may be otherwise constrained or completely free.
  • the trajectory guide 2 forms an annular hub that can be flexible.
  • the trajectory guide 2 is arranged so that the flange has several distinct contact zones with a displacement surface constituted for example by the ground.
  • the running gear according to the invention can be applied to leisure, travel or individual transport equipment: skateboard, wheelchair, stroller, wheelbarrow, luggage, etc ... or equip many types of equipment mobiles and vehicles.
  • suspension elements e.g., suspension elements, a braking system, an anti-recoil system, disengageable if possible, a motor, and other features or accessories.

Landscapes

  • Motorcycle And Bicycle Frame (AREA)
  • Tires In General (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Ropes Or Cables (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Friction Gearing (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Metal Rolling (AREA)

Claims (15)

  1. Ein Fahrorgan, welches :
    - eine Bahnführung (2) und
    - einen bezüglich der Bahnführung (2) beweglichen Teil (1), dessen Zweck das Ausbilden eines abrollenden Reifen (10) ist, welcher sich in geschlossenem Kreislauf bewegt,
    beinhaltet, wobei der bewegliche Teil (1) einen nachgiebigen und fortlaufenden Fahrwulst darstellt, gekennzeichnet dadurch, dass die Bahnführung (2) dazu vorgesehen ist, den beweglichen Teil (1) auf einer linkslaufenden Bahn mit variabler Krümmung zu führen
  2. Fahrorgan nach Anspruch 1, welches weiterhin drehende rollende Elemente (5) beinhaltet, die zwischen einer Lauffläche (11) am beweglichen Teil (1) und der Bahnführung (2) derart angeordnet sind, dass die Relativbewegung zwischen der Bahnführung und dem beweglichen Teil erleichtert wird.
  3. Fahrorgan nach einem der vorhergehenden Ansprüche, wobei die Führung ein oder mehrere deformierbare Teile beinhaltet oder trägt.
  4. Fahrorgan nach einem eher vorhergehenden Ansprüche, wobei der Fahrwulst (1) innen eine Füllung (12) aus weicherem Material, insbesondere Schaum oder mit Druckgas gefüllten Hohlraum, beinhalten kann.
  5. Fahrorgan nach einem der Ansprüche 2 oder 3 und dem Anspruch 4, wobei der Fahrwulst (1) eine aus mehreren Elementen mit unterschiedlichen Werkstoffen zusammengestellte Baugruppe ist, so dass sich für den abrollenden Reifen, die Lauffläche (11) und die Füllung (12) jeweils unterschiedliche mechanische Eigenschaften sowie die für ihn erforderliche elastische Verformbarkeit ergeben.
  6. Fahrorgan nach einem der vorhergehenden Ansprüche, wobei der Fahrwulst (1) ein nach innen gerichtetes, ausgeprägtes Profil (13) mit der Zweckbestimmung aufweist, mit den Mitteln, die zum Beschränken der Bewegung in eine einzige Richtung dienen, zusammenzuwirken.
  7. Fahrorgan nach einem der vorhergehenden Ansprüche, wobei dieses Mittel zum Bremsen umfasst, welche mit dem Fahrwulst (1) zusammenwirken.
  8. Fahrorgan nach einem der vorhergehenden Ansprüche, wobei der Fahrwulst (1) mindestens zwei Laufflächen umfasst, zwischen welchen ein verformbarer Kern (20) derart angeordnet ist, dass die notwendige Steifigkeit zur Übertragung der Kräfte aus Führung und Verformungsverhalten des Fahrwulsts (1) sichergestellt ist.
  9. Fahrorgan nach einem der vorhergehenden Ansprüche, wobei die Bahnführung (2) Rollbahnen (2a) umfasst, welche das Führen der drehenden rollenden Elemente (5) gestatten, und der Fahrwulst eine Lauffläche (11) umfasst und wobei die drehenden rollenden Elemente (5) zwischen der Lauffläche (11) des Fahrwulstes und der Rollbahn (2a) angeordnet sind.
  10. Fahrorgan nach einem der vorhergehenden Ansprüche, wobei die rollenden Elemente mindestens eine Rolle (5b, 5c), deren Drehachse mit der Bahnführung fest verbunden ist, und der Fahrwulst eine Lauffläche (11), auf welcher sich die rollenden Elemente (5b, 5c) abstützen, umfassen.
  11. Fahrorgan nach einem der vorhergehenden Ansprüche, wobei die Bahnführung (2) derart ausgebildet ist, dass der Fahrwulst mehrere unterscheidbare Kontaktbereiche mit einer Bewegungsfläche aufweist.
  12. Einzelnes Gerät oder Fahrschuh für Fortbewegung, Sport oder Freizeit, welches ein Fahrorgan nach einem der Ansprüche 1-11 beinhaltet.
  13. Gerät nach Anspruch 12, das eine Platte zur Fußauflage, welche zum Aufnehmen der beiden Füße des Gerätebenutzers in der Art eines Skateboards, eines Snowboards oder eines Surfbretts bestimmt ist, beinhaltet.
  14. Gerät, dessen bestimmungsgemäßer Gebrauch das Ermöglichen oder Erleichtern der Fortbewegung von Personen oder Gütern ist und welches ein Fahrorgan nach einem der Ansprüche 1-11 beinhaltet.
  15. Erdgebundenes Fahrzeug, welches ein Fahrorgan nach einem der Ansprüche 1-11 beinhaltet.
EP09705794A 2008-01-31 2009-01-30 Rollelement Not-in-force EP2237844B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0800536A FR2927000A1 (fr) 2008-01-31 2008-01-31 Patin en ligne polyvalent tous-terrains equipe d'une roue unique a deformation elastique controlee grace a un guidage orbital par roulement
PCT/FR2009/050138 WO2009095625A2 (fr) 2008-01-31 2009-01-30 Organe de roulement

Publications (2)

Publication Number Publication Date
EP2237844A2 EP2237844A2 (de) 2010-10-13
EP2237844B1 true EP2237844B1 (de) 2011-08-31

Family

ID=39522804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09705794A Not-in-force EP2237844B1 (de) 2008-01-31 2009-01-30 Rollelement

Country Status (7)

Country Link
US (1) US20110059664A1 (de)
EP (1) EP2237844B1 (de)
CN (1) CN101925385B (de)
AT (1) ATE522260T1 (de)
BR (1) BRPI0907623A2 (de)
FR (1) FR2927000A1 (de)
WO (1) WO2009095625A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103158796B (zh) * 2013-03-15 2015-05-20 黄刚 履带行走机构
US9937408B2 (en) * 2016-03-08 2018-04-10 TianDe Mo Wearable motorized device
CN106039688B (zh) * 2016-05-12 2019-02-05 秦波 一种步行提速器暴走轮靴
US9925453B1 (en) 2016-11-17 2018-03-27 Raja Singh Tuli Motorized walking shoes
KR102080687B1 (ko) * 2017-07-27 2020-02-24 나인보트 (베이징) 테크 컴퍼니 리미티드 롤러 스케이팅 장치 및 전동 균형차
US20230389645A1 (en) * 2017-11-16 2023-12-07 Raja Singh Tuli Motorized walking shoes

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FR2924356B1 (fr) * 2007-12-04 2010-03-05 Jean Claude Arbogast Patin tout terrain ameliore du type a roulettes en ligne

Also Published As

Publication number Publication date
WO2009095625A3 (fr) 2009-09-24
WO2009095625A2 (fr) 2009-08-06
CN101925385A (zh) 2010-12-22
ATE522260T1 (de) 2011-09-15
US20110059664A1 (en) 2011-03-10
BRPI0907623A2 (pt) 2015-07-21
CN101925385B (zh) 2012-09-19
FR2927000A1 (fr) 2009-08-07
EP2237844A2 (de) 2010-10-13

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