WO2002087711A1 - Châssis a deformation controlee pour un engin de glisse, notamment pour une planche a roulettes - Google Patents
Châssis a deformation controlee pour un engin de glisse, notamment pour une planche a roulettes Download PDFInfo
- Publication number
- WO2002087711A1 WO2002087711A1 PCT/FR2002/001461 FR0201461W WO02087711A1 WO 2002087711 A1 WO2002087711 A1 WO 2002087711A1 FR 0201461 W FR0201461 W FR 0201461W WO 02087711 A1 WO02087711 A1 WO 02087711A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chassis
- controlled deformation
- plate
- deformation
- gliding
- Prior art date
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
- A63C17/01—Skateboards
- A63C17/014—Wheel arrangements
- A63C17/015—Wheel arrangements with wheels arranged in two pairs
-
- 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
- A63C2203/00—Special features of skates, skis, roller-skates, snowboards and courts
- A63C2203/40—Runner or deck of boards articulated between both feet
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C2203/00—Special features of skates, skis, roller-skates, snowboards and courts
- A63C2203/42—Details of chassis of ice or roller skates, of decks of skateboards
Definitions
- the present invention relates to a chassis with controlled deformation for a gliding device, in particular for a skateboard.
- a basic skateboard is made up of a plate also known as a plate, having a given flexibility and two shafts equipped at their ends with wheels mounted free in rotation, said wheels carrying solid tires generally made of elastomer, of quality adapted to developments. sought.
- the trees are each secured to a support attached to a block of elastomeric material.
- This block has deformation capacities proportional in particular to the stiffness of the elastomer and this deformation capacity allows orientations of the shaft relative to the longitudinal axis of the board.
- the user by its position on the plate, carries its weight transversely, on one side or the other, so as to obtain the desired deformation of the block and the desired orientation of the wheel axles.
- the skateboard can thus be controlled by the position of the user.
- the orientation angle remains small and the turning radius is large.
- French patent application No. 2,784,302 describes an arrangement with a deformable parallelogram which accentuates the turning effect and above all which allows an inclination of the wheels.
- Such an arrangement in addition to being mechanically complex, is incompatible with a skateboard having a low ground clearance as it should to facilitate the climb and ensure a perfect balance by leaving the center of gravity as low as possible.
- the control of the deformation of the parallelogram remains an unsolved problem in this patent application.
- This deformable parallelogram mounting remains reserved for large-sized vehicles, with high ground clearance and wheels with pneumatic tires.
- US-A-5,540,455 proposes an improvement to greatly improve the turning capacities. Indeed, this patent proposes to produce a plate with two platforms articulated with respect to each other. The user then places one foot on each platform and can orient each of them as desired. A spring is interposed to constitute this articulation.
- European patent application No. 933 1 03 describes an arrangement with oscillating arms mounted on a pivoting plate. If such an arrangement can provide a certain comfort with respect to the coating on which the skateboard operates, it does not respond to the problem of turning while having perfect control of this turning. In addition, the complexity of such an implementation makes such an arrangement incompatible with the market or reserved for an elite.
- the present invention relates to a chassis with controlled deformation for a gliding apparatus, in particular for a skateboard which is controllable in its steering, which is sensitive to the distribution of the weights transversely. but also longitudinally, which is of an embodiment compatible with industrial production, which is of a simplified maintenance and of total reliability since they are structural elements and not attached mechanical moving elements. According to another objective, the chassis with controlled deformation of the invention improves the steering by making it in particular more progressive.
- the controlled deformation chassis of the invention can be adapted and adjusted according to the user by a few simple modifications.
- FIGS. 1A and 1B a schematic perspective view from above of the chassis according to a preferred embodiment of the present invention, with independent arms,
- FIG. 2 a view in longitudinal section of the chassis of FIG. 1,
- FIG. 3 a cross-sectional view along line 3-3 of FIG. 2
- FIG. 4 a top view showing the deformation generated by a force exerted by the user on the right side with respect to the direction of advance, and in the centered front / rear position
- FIGS. 1 to 3 a top view showing the deformation generated by a force exerted by the user on the right side with respect to the direction of travel, and in the position longitudinally offset from the front
- - Figure 6 an elevational view schematic side showing the resumption of the load.
- the chassis comprises a structure 10 with a central plate 1 2, a front plate 1 4 and a rear plate 1 6, both integral with the central plate. These plates have a box arrangement with a lower surface 1 2-1, 1 4-1 and 1 6-1 and an upper surface 1 2-2, 14-2 and 1 6-2.
- the terms lower and upper surfaces relate in the present application to a structure subjected to mechanical stresses, by analogy to a bridge, the upper surface corresponding to the upper part working in compression and the lower surface to the lower part working in traction. It is understood that the upper surface may have a concave profile, not shown in the figures.
- each front and rear plate is composed of two independent arms 14g, 1 4d; 1 6g, 1 6d each carrying a wheel 1 7 or skid, mounted to rotate freely on a shaft.
- Each of the front and rear plates is secured to the central plate 1 2, in this case by a transverse spacer 1 8 and 20, like a U-shaped profile, made of composite material so as to give the wings of each U-shaped profile elastic two-way recall capabilities and to form a joint.
- These spacers provide the spacing between the upper and lower surfaces.
- These U-shaped sections are the simplest and most widely used, readily available commercially, but any other W-shape or double U or with variable dimensions both transversely and longitudinally are immediately applicable depending on the applications, such a choice being the scope of those skilled in the art.
- the essential function of these spacer elements is to allow deformation of the chassis, in particular a bending movement in the horizontal plane.
- a longitudinal column 22 preferably in the middle position for reasons of symmetry.
- This column is arranged in the central plate and has a great stiffness.
- This column is deformable in the horizontal and / or vertical plane and connected to the two front and rear plates. In the mode of embodiment, this column connects the U-shaped spacers, parallel to the upper surface 1 2-2 of the central part.
- This column works in bending and / or compression. It provides an elastic return to the deformations caused by the movements of the user.
- This central plate is equipped with at least one transverse spacer 24, identical to the spacers 18 and 20, except for the dimensioning as will be explained later. This spacer also provides the spacing between the upper and lower surfaces. This spacer is shown in the middle position in the embodiment but it can be offset according to the desired effects.
- the upper surface 1 2-2 of the central part is also produced in two parts each linked to one of the wings of the U-shaped profile while the base is linked to the lower surface 1 2-1.
- Means 26 are also provided for taking up the vertical load which constitute the lower surface. These means comprise at least one tendon, in this case two longitudinal tendons 28, both linked to the front and rear plates and working in traction and passing under the central plate.
- the tendons work in traction and the median longitudinal column 22, in addition to working in bending and ensuring an elastic return in the horizontal plane, also works in compression by participating in the recovery some efforts.
- the user exerts a force on the right side relative to the direction F of advancement.
- the two sets of wheels are oriented symmetrically along the curve ⁇ because the user is in a centered front / rear position.
- the median transverse spacer 24 and the median longitudinal column 22 work mainly.
- the user exerts his force always on the right side relative to the direction of advance, but in the position longitudinally off center on the front.
- the chassis is particularly stable whatever the speed. Indeed, this double deformation is not subject to the effects of speed and no effect of instability at high speed is recorded.
- axle assemblies on an elastomer block either the adjustment is hard and the machine is more stable at high speed but not very easy to handle or the adjustment is flexible to be easy to handle and the machine quickly becomes unstable as soon as the speed increases.
- the chassis of the present invention it is possible to adjust the elastic return force of the wings of the spacers because the LJ shape makes it possible to introduce an elastomeric foam bar, for example.
- the density of this elastomeric foam and its internal structure with open or closed cells allow fine adjustments depending on the weight of the user in particular.
- means 30 for clamping the column may include a cable embedded with a system of tensioners.
- Such means may include a cable embedded with a system of tensioners.
- FIG. 6 it can be seen that the recovery of the weight of the user is carried out by the tendons, the elastic return capacity of which also allows the flexibility of the load to be adjusted, consisting of the weight of the user and the dynamic effects.
- the lateral imbalance causes a turning which is all the more important as the supports are close to the middle of the board.
- the user can control the handling and stability of the chassis by moving the supports.
- the controlled deformation chassis of the invention comprises a front part and a rear part connected via a central part, the whole forming a box structure with a moment of inertia in the relatively large vertical median longitudinal plane so as to in particular take up the force exerted by the weight of the user, said structure offering less resistance to allow deformations by bending in the horizontal plane.
- This arrangement makes it possible, during the displacement of the load, to induce a deformation of the structure allowing the turning, as shown for example by FIGS. 4 and 5.
- the central part can be made of a block of expandable material, in foam for example, with non-uniform properties so as to obtain the box structure specified above.
- the central part may comprise a rigid plate connected respectively to the front part and to the rear part by an element, in particular a column arranged in the longitudinal median plane, so as to obtain the box structure specified above.
- the central part can comprise two plates rigidly connected, one to the front part and the other to the rear part, the two plates being connected by an element, in particular a column arranged in the longitudinal median plane, so as to obtain the box structure specified above.
- the central part can comprise a box shape with crossed stiffening elements arranged at the diagonals, so as to obtain the box structure specified above.
- the wheels mounted on oscillating arms allow the establishment of at least one braking element or at least deceleration on a set of wheels.
- the larger diameter makes it possible to envisage industrial manufacturing by resorting to tried and tested simple techniques therefore of a cost price of the interesting products, by adapting for example techniques of manufacturing of wheels of bicycle or trolley.
Landscapes
- Motorcycle And Bicycle Frame (AREA)
- Steroid Compounds (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60221000T DE60221000T2 (de) | 2001-04-27 | 2002-04-26 | Rahmen mit kontrolierter verformung für ein gleitgerät, insbesondere einem rollbrett |
EP02738205A EP1383584B1 (fr) | 2001-04-27 | 2002-04-26 | Chassis a deformation controlee pour un engin de glisse, notamment pour une planche a roulettes |
US10/476,001 US6979006B2 (en) | 2001-04-27 | 2002-04-26 | Underframe with controlled deformation for gliding craft, in particular for skateboard |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR01/05720 | 2001-04-27 | ||
FR0105720A FR2823987B1 (fr) | 2001-04-27 | 2001-04-27 | Chassis a deformation controlee pour un engin de glisse, notamment pour une planche a roulettes |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002087711A1 true WO2002087711A1 (fr) | 2002-11-07 |
WO2002087711A8 WO2002087711A8 (fr) | 2005-07-07 |
Family
ID=8862787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2002/001461 WO2002087711A1 (fr) | 2001-04-27 | 2002-04-26 | Châssis a deformation controlee pour un engin de glisse, notamment pour une planche a roulettes |
Country Status (6)
Country | Link |
---|---|
US (1) | US6979006B2 (fr) |
EP (1) | EP1383584B1 (fr) |
AT (1) | ATE366132T1 (fr) |
DE (1) | DE60221000T2 (fr) |
FR (1) | FR2823987B1 (fr) |
WO (1) | WO2002087711A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004007264U1 (de) * | 2004-05-06 | 2005-09-15 | Machens Roman | Sportgerät für den Rollgerätelauf |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6910698B2 (en) * | 2002-02-26 | 2005-06-28 | Strategic Focus International, Inc. | Skateboards |
FR2846889B1 (fr) * | 2002-11-13 | 2005-02-25 | Finez Maxime Hardouin | Planche a roulettes dont l'un des essieux est porte par un ressort a lame |
US7445218B2 (en) * | 2004-11-03 | 2008-11-04 | Marcelo Fabian Esposito | Skateboard deck with decorative window |
US7766351B2 (en) * | 2006-04-28 | 2010-08-03 | Razor Usa, Llc | One piece flexible skateboard |
US7338056B2 (en) * | 2006-04-28 | 2008-03-04 | Razor Usa, Llc | One piece flexible skateboard |
US8414000B2 (en) * | 2006-04-28 | 2013-04-09 | Razor USA, Inc. | One piece flexible skateboard |
US7931519B2 (en) * | 2007-02-14 | 2011-04-26 | Jeremy Fox | Fingerboard skateboard |
US20090206571A1 (en) * | 2007-08-22 | 2009-08-20 | Justin Francom | Wheeled apparatus, system, and method |
US7600768B2 (en) * | 2007-09-05 | 2009-10-13 | Razor Usa, Llc | One piece flexible skateboard |
US8448961B2 (en) * | 2008-08-22 | 2013-05-28 | Larry Francom | Apparatus, system, and method for open frames for sport decks |
WO2016086066A1 (fr) | 2014-11-26 | 2016-06-02 | Razor Usa Llc | Planche à roulettes motorisées |
USD770585S1 (en) | 2015-05-04 | 2016-11-01 | Razor Usa Llc | Skateboard |
JP1606701S (fr) | 2016-09-02 | 2018-06-11 | ||
US12042716B2 (en) | 2017-04-18 | 2024-07-23 | Razor Usa Llc | Powered wheeled board |
US10486051B2 (en) * | 2017-09-26 | 2019-11-26 | Boosted, Inc. | Backpack for a personal transport vehicle |
EP3934772A4 (fr) | 2019-03-06 | 2022-12-07 | Razor USA LLC | Planche à roues motorisée |
US11446562B2 (en) | 2019-09-18 | 2022-09-20 | Razor Usa Llc | Caster boards with removable insert |
WO2023056340A1 (fr) | 2021-09-30 | 2023-04-06 | Razor Usa Llc | Véhicules de mobilité personnelle à positions de roue réglables |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4076267A (en) * | 1976-09-20 | 1978-02-28 | Willis Leonard Lipscomb | Articulated skateboard |
US4082306A (en) * | 1976-12-09 | 1978-04-04 | Gregg Sheldon | Torsion bar skateboard |
DE19634596C1 (de) * | 1996-08-27 | 1997-10-23 | Michael Woerl | Rollbrett mit einer federnden Standplatte |
WO1998046316A1 (fr) * | 1997-04-16 | 1998-10-22 | Mayer Juergen | APPAREIL DE SPORT POURVU D'UN DISPOSITIF DE ROULEMENT à DEUX VOIES |
WO2000027489A1 (fr) * | 1998-11-11 | 2000-05-18 | Micro Mobility Systems Ag | Dispositif a deplacement tel qu'une planche a roulettes ou des patins a roulettes et equivalent |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4353566A (en) * | 1980-01-11 | 1982-10-12 | William Mohlenbrock | Roller ski training device |
US4458907A (en) * | 1982-08-02 | 1984-07-10 | Meredith Deanna R | Skateboard |
USD338253S (en) * | 1991-05-07 | 1993-08-10 | Smith Eric O M | Skateboard |
US5540455A (en) | 1994-02-23 | 1996-07-30 | Chambers; Lile R. | Articulating skateboard with springable connector |
US5417444A (en) * | 1994-06-24 | 1995-05-23 | Far Great Plastics Industrial Co., Ltd. | Skateboard with multi-boards |
US5927734A (en) * | 1995-02-03 | 1999-07-27 | Rod Enterprises, Llc | Scooter |
US5855385A (en) * | 1996-09-23 | 1999-01-05 | Hambsch; Stephen G. | Wheeled board apparatus having platform with concave sidecuts |
US5769438A (en) * | 1997-02-19 | 1998-06-23 | Svetlov; Felix | Skateboard |
DE19803412A1 (de) | 1998-01-29 | 1999-08-05 | Bayerische Motoren Werke Ag | Radaufhängung für Rollbretter |
US6158752A (en) * | 1998-09-09 | 2000-12-12 | Kay; Albert R. | Wheeled vehicle with control system |
FR2784302A1 (fr) | 1998-10-09 | 2000-04-14 | Denys Toulemonde | Free-board pendulaire dispositif de pendulation et de brequage conjugue pour planches a roulettes et long-boards |
US6293571B1 (en) * | 1998-12-17 | 2001-09-25 | Yi-Ling Wen | Skateboard |
US6460868B2 (en) * | 1999-10-19 | 2002-10-08 | Jeffrey Madrid | Corrugated skateboard deck and method of corrugating skateboard decks |
US6631913B2 (en) * | 1999-11-12 | 2003-10-14 | Alonzo Edward Godfrey | Detachable interchangeable skateboard |
US6375204B1 (en) * | 2001-01-22 | 2002-04-23 | Wen-Wu Tu | Pitching skate board |
US6648363B2 (en) * | 2001-12-05 | 2003-11-18 | Shale Gordon | Composite sports board such as a skateboard deck |
-
2001
- 2001-04-27 FR FR0105720A patent/FR2823987B1/fr not_active Expired - Fee Related
-
2002
- 2002-04-26 WO PCT/FR2002/001461 patent/WO2002087711A1/fr active IP Right Grant
- 2002-04-26 DE DE60221000T patent/DE60221000T2/de not_active Expired - Lifetime
- 2002-04-26 US US10/476,001 patent/US6979006B2/en not_active Expired - Fee Related
- 2002-04-26 AT AT02738205T patent/ATE366132T1/de not_active IP Right Cessation
- 2002-04-26 EP EP02738205A patent/EP1383584B1/fr not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4076267A (en) * | 1976-09-20 | 1978-02-28 | Willis Leonard Lipscomb | Articulated skateboard |
US4082306A (en) * | 1976-12-09 | 1978-04-04 | Gregg Sheldon | Torsion bar skateboard |
DE19634596C1 (de) * | 1996-08-27 | 1997-10-23 | Michael Woerl | Rollbrett mit einer federnden Standplatte |
WO1998046316A1 (fr) * | 1997-04-16 | 1998-10-22 | Mayer Juergen | APPAREIL DE SPORT POURVU D'UN DISPOSITIF DE ROULEMENT à DEUX VOIES |
WO2000027489A1 (fr) * | 1998-11-11 | 2000-05-18 | Micro Mobility Systems Ag | Dispositif a deplacement tel qu'une planche a roulettes ou des patins a roulettes et equivalent |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004007264U1 (de) * | 2004-05-06 | 2005-09-15 | Machens Roman | Sportgerät für den Rollgerätelauf |
Also Published As
Publication number | Publication date |
---|---|
US6979006B2 (en) | 2005-12-27 |
EP1383584B1 (fr) | 2007-07-04 |
FR2823987A1 (fr) | 2002-10-31 |
DE60221000T2 (de) | 2008-03-20 |
US20040155420A1 (en) | 2004-08-12 |
ATE366132T1 (de) | 2007-07-15 |
DE60221000D1 (de) | 2007-08-16 |
EP1383584A1 (fr) | 2004-01-28 |
FR2823987B1 (fr) | 2003-07-11 |
WO2002087711A8 (fr) | 2005-07-07 |
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