EP2237844A2 - Organe de roulement - Google Patents
Organe de roulementInfo
- Publication number
- EP2237844A2 EP2237844A2 EP09705794A EP09705794A EP2237844A2 EP 2237844 A2 EP2237844 A2 EP 2237844A2 EP 09705794 A EP09705794 A EP 09705794A EP 09705794 A EP09705794 A EP 09705794A EP 2237844 A2 EP2237844 A2 EP 2237844A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide
- rolling
- body according
- trajectory
- displacement
- 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.)
- Granted
Links
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 contact surface on the ground as shown in FIG. 1c.
- To increase the contact surface between a wheel and the ground it is possible either to widen the tread, to increase the diameter of the wheel, or to increase the capacity of the tire to deform, in particular by using softer materials and / or lower air pressure.
- 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.
- the shape, the dimensions, and the choice of the materials which constitute the displacement bump give it torsion and bending characteristics, which allow it to follow, by elastic deformation, a left closed curved trajectory with variable curvatures. imposed on it 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 heart 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 footrest 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.
- FIG. 1a is a diagram illustrating the contact zones between a wheel and a flat ground.
- Figure 1b is a diagram illustrating the contact areas between a wheel with a bandage and a flat ground.
- Figure 1c is a diagram illustrating the contact areas between a wheel with a tire and a flat ground.
- Figure 2 is a side view of the inside of the right leg of the skater of a displacement shoe comprising a first embodiment of a running gear according to the invention.
- Figure 3 is a rear view of the displacement pad of Figure 2.
- Figures 4a, 4b, 5 and 6 show the sectional view of a rolling member according to different embodiments.
- FIG. 7 is a schematic view illustrating the profile of a movable portion of a rolling member according to the invention according to a variant of the invention.
- a rolling member according to the invention comprises:
- a movable part 1 comprising a flexible displacement bead forming a closed curve which takes place on a moving surface, for example a ground such as a tire or a track,
- trajectory 2 of the movable part intended to guide it on a left trajectory with variable curvature.
- 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 part of the trajectory 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 heart 12 of softer material, or a foam, or a vacuum filled with a gas under pressure.
- flange consisting of several elements made of different associated materials in order to obtain the desired properties for the tread, the running surfaces 1 1 the core 12, the body of the flange, any other functional entity, and their connection.
- 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.
- it 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.
- 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 making it possible to guide 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 shown in FIGS. 2 and 3 in an elastic manner, it thus restores by releasing all or part of the energy consumed to deform .
- This rolling member is particularly adapted to the roller skate:
- a pad equipped with a running gear according to the invention comprises a shoe 4 intended to hold the skater's foot or shoe.
- 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 in Figures 2 and 3.
- the shoe is fixed on a frame 3 on which is fixed a rolling member as described above.
- the trajectory of the displacement rod 1 may comprise 6 main distinct zones:
- the contact zone A with the ground is rectilinear or has a large radius of curvature under the skater's foot, in the vertical plane, and over a greater or lesser length to promote stability, maneuverability, or speed; 2) the attack zone B in front of the foot is raised with a suitable profile, in order to climb on the obstacles and irregularities encountered on its trajectory;
- the lateral zone D can leave the trajectory freedom to the flange so that it can compensate for variations in development due to expansion, wear, or aging of the material;
- 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 running gear shows the following variants:
- the rolling elements 5 can be balls and rollers, and can be maintained by a cage comparable to that which equips the ball bearings, and having the necessary flexibility.
- the rollers may be cylindrical, or have any other form of revolution.
- 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 flange 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 intrados surface can also be used as a brake drum. It is also possible to insert:
- magnetic elements making it possible to generate electricity, or even to constitute a linear motor. - elements to measure displacements, speed, pressure, and any other useful information.
- 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 path guide 2 is arranged so that the coil has a plurality of distinct contact areas with a displacement surface formed for example by the ground.
- the running gear according to the invention can be applied to equipment for leisure, travel, or individual transport: Skateboard, wheelchair, stroller, wheelbarrow, luggage, etc. or equip many types of mobile equipment 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)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Metal Rolling (AREA)
- Friction Gearing (AREA)
- Ropes Or Cables (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Description
Claims
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 true EP2237844A2 (fr) | 2010-10-13 |
EP2237844B1 EP2237844B1 (fr) | 2011-08-31 |
Family
ID=39522804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09705794A Not-in-force EP2237844B1 (fr) | 2008-01-31 | 2009-01-30 | Organe de roulement |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110059664A1 (fr) |
EP (1) | EP2237844B1 (fr) |
CN (1) | CN101925385B (fr) |
AT (1) | ATE522260T1 (fr) |
BR (1) | BRPI0907623A2 (fr) |
FR (1) | FR2927000A1 (fr) |
WO (1) | WO2009095625A2 (fr) |
Families Citing this family (5)
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 |
JP6709292B2 (ja) * | 2017-07-27 | 2020-06-10 | 納恩博(北京)科技有限公司Ninebot (Beijing) Tech Co.,Ltd. | ローラースケート装置及び電動バランス車 |
Family Cites Families (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US92936A (en) * | 1869-07-27 | George brownlee | ||
US363716A (en) * | 1887-05-24 | Roller-skate | ||
US889580A (en) * | 1907-11-04 | 1908-06-02 | Hilmer Carlsson | Roller-skate. |
US1023882A (en) * | 1911-09-19 | 1912-04-23 | Mario Schiesari | Monocycle skate. |
US1149912A (en) * | 1914-03-18 | 1915-08-10 | William B Harrell | Tread device. |
DE391343C (fr) * | 1921-11-28 | |||
FR571303A (fr) * | 1922-12-14 | 1924-05-15 | Appareil de locomotion | |
CH108952A (de) * | 1924-05-20 | 1925-06-16 | Kolb Robert | Ring-Rollschuh. |
US1694162A (en) * | 1926-08-24 | 1928-12-04 | Buitenkamp Frank | Track-laying skate |
US1868148A (en) * | 1930-06-09 | 1932-07-19 | Mcmillan Miller Road Machinery | Track link |
US2198857A (en) * | 1937-09-30 | 1940-04-30 | Alan R Branson | Roller skating device |
FR857276A (fr) * | 1939-03-23 | 1940-09-03 | Patin utilisable en tous terrains | |
US2520793A (en) * | 1946-10-21 | 1950-08-29 | Daniel W Blackwell | Wheel for foot attachment |
US2675243A (en) * | 1951-08-20 | 1954-04-13 | Mike J King | Monowheel roller skate |
US2931012A (en) * | 1957-12-16 | 1960-03-29 | John J Kosach | Single wheel skate |
US2996306A (en) * | 1958-06-17 | 1961-08-15 | Clarence I Johnson | Roller skate provided with propulsion means |
US2980436A (en) * | 1960-06-06 | 1961-04-18 | John J Kosach | Single wheel skate |
US3663031A (en) * | 1970-02-25 | 1972-05-16 | William E L Young | Sporting apparatus |
US3671051A (en) * | 1970-08-11 | 1972-06-20 | August R Werft | Vehicle |
US4363493A (en) * | 1980-08-29 | 1982-12-14 | Veneklasen Paul S | Uni-wheel skate |
IT1240056B (it) * | 1990-05-07 | 1993-11-27 | Virgilio Asso | Pattino sportivo con contatto al suolo mediante circolazione di sfere |
CN2076868U (zh) * | 1990-09-01 | 1991-05-15 | 冯晓光 | 弹性履带式滚轮旱冰鞋 |
US5382052A (en) * | 1991-03-01 | 1995-01-17 | Tarng; Min M. | In-line roller blade figure skate |
USD347044S (en) * | 1992-06-26 | 1994-05-17 | Walter Slack | Single wheel skate |
AU7045994A (en) * | 1993-05-27 | 1994-12-20 | Freilich, Daniel S. | Endless belt roller skate |
US5390958A (en) * | 1993-09-03 | 1995-02-21 | Soo; Mike | Track/roller skate |
US5779247A (en) * | 1996-05-03 | 1998-07-14 | Anselmo; Anthony Gray | Wheeled all terrain recreational device |
US5730241A (en) * | 1996-08-15 | 1998-03-24 | Chorng Rong Shyr | Caterpillar track shoe |
US5934706A (en) * | 1997-09-25 | 1999-08-10 | Yiu; Chih-Hao | Skate device having magnetic support |
CN2317907Y (zh) * | 1997-11-05 | 1999-05-12 | 张永奎 | 风火轮式旱冰鞋 |
US6382640B1 (en) * | 2001-10-17 | 2002-05-07 | Michael Killian | Latitudinal aligned mono-wheel skate device |
CN2518552Y (zh) * | 2001-12-28 | 2002-10-30 | 李铭 | 一种履带式溜冰鞋 |
US7383908B2 (en) * | 2003-10-20 | 2008-06-10 | Raja Tuli | Motorized walking shoes |
US20100109266A1 (en) * | 2005-05-24 | 2010-05-06 | Michael Eric Jenkins | Recreational and sporting device for movement over ground |
NZ555478A (en) * | 2005-05-24 | 2008-02-29 | Wheelskates Inc | A recreational sporting device for movement over ground including a biased member |
US8016304B2 (en) * | 2006-02-03 | 2011-09-13 | Maratta Mark S | Board sliding device for sliding on ground |
USD561288S1 (en) * | 2007-03-05 | 2008-02-05 | Christopher Jordan | Off road sports board |
US7980568B2 (en) * | 2007-04-30 | 2011-07-19 | Shane Chen | Wheel skate device |
US7997624B2 (en) * | 2007-08-10 | 2011-08-16 | Charell Ralph | More stimulating riding vehicles |
FR2924356B1 (fr) * | 2007-12-04 | 2010-03-05 | Jean Claude Arbogast | Patin tout terrain ameliore du type a roulettes en ligne |
-
2008
- 2008-01-31 FR FR0800536A patent/FR2927000A1/fr not_active Withdrawn
-
2009
- 2009-01-30 CN CN2009801028444A patent/CN101925385B/zh not_active Expired - Fee Related
- 2009-01-30 BR BRPI0907623-9A patent/BRPI0907623A2/pt not_active IP Right Cessation
- 2009-01-30 US US12/865,093 patent/US20110059664A1/en not_active Abandoned
- 2009-01-30 WO PCT/FR2009/050138 patent/WO2009095625A2/fr active Application Filing
- 2009-01-30 EP EP09705794A patent/EP2237844B1/fr not_active Not-in-force
- 2009-01-30 AT AT09705794T patent/ATE522260T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2009095625A3 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0907623A2 (pt) | 2015-07-21 |
ATE522260T1 (de) | 2011-09-15 |
CN101925385B (zh) | 2012-09-19 |
US20110059664A1 (en) | 2011-03-10 |
WO2009095625A2 (fr) | 2009-08-06 |
CN101925385A (zh) | 2010-12-22 |
WO2009095625A3 (fr) | 2009-09-24 |
FR2927000A1 (fr) | 2009-08-07 |
EP2237844B1 (fr) | 2011-08-31 |
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