WO1998046316A1 - Sportgerät mit einer zweispurigen rollvorrichtung - Google Patents
Sportgerät mit einer zweispurigen rollvorrichtung Download PDFInfo
- Publication number
- WO1998046316A1 WO1998046316A1 PCT/AT1998/000097 AT9800097W WO9846316A1 WO 1998046316 A1 WO1998046316 A1 WO 1998046316A1 AT 9800097 W AT9800097 W AT 9800097W WO 9846316 A1 WO9846316 A1 WO 9846316A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- elastic element
- trailing arm
- sports device
- arm suspension
- roller board
- 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
- A63C17/011—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
- A63C17/0046—Roller skates; Skate-boards with shock absorption or suspension system
-
- 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
- A63C17/013—Skateboards with steering mechanisms with parallelograms, follow up wheels or direct steering action
-
- 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
- A63C17/02—Roller skates; Skate-boards with wheels arranged in two pairs
Definitions
- the invention relates to a sports device with a two-lane roller device, in particular a skateboard, with at least one roller board and a chassis with two wheel axles connected to the roller board, which has a trailing arm suspension for each wheel axle, which is pivotally connected to the roller board about at least one transverse axis and at the same
- the wheel axis is arranged away from the first end of the roller board, with at least one elastic element acting against the deflection direction acting on at least one trailing arm wheel suspension.
- Sports equipment with two-lane rolling devices such as skateboards or the like, has a horizontal rolling board on which wheel axles are more or less rigidly connected via a steering element. Such rolling devices are therefore particularly suitable on smooth surfaces. Shocks due to very small bumps and very small obstacles are transmitted to the roller board user almost undamped, which affects driving comfort. Even relatively small obstacles and bumps, such as chippings, gravel, road grooves or the like, can make the skateboard's driveability considerably more difficult. In the case of medium to medium-sized obstacles and rough terrain, for example unpaved paths or lanes with damaged surfaces, the roller board is even unusable.
- US Pat. No. 4,645,223 A discloses a sports device designed as a skateboard with a two-lane rolling device of the type mentioned at the outset, which has a plurality of elastic shock-absorbing devices between the wheel axles and the rolling board.
- Each wheel axle is attached to a trailing arm suspension that is rotatably mounted on the roller board in the area of the center of the roller board.
- each trailing link wheel suspension is supported on the roller board by an elastic shock-absorbing element.
- the shock-absorbing elements made of rubber or plastic are used in cups rigidly attached to the wheel axle housing. With this arrangement, vibrations due to small obstacles and bumps can be damped.
- US 5 100 161 A discloses a skateboard for use off the road, which has vibration damping elements.
- a vibration damping element is attached between the roller board and a wheel axle.
- Each vibration damping element consists of a plurality of elastic plates which are connected to the roller board via guide and connecting bolts.
- These vibration damping elements also have the disadvantage that the spring travel is extremely limited and thus the driveability of the skateboard is very limited in the case of medium and large obstacles, even if further vibration damping own vibration absorbing wheels are provided, which are attached to conventional skateboard wheels. This is primarily intended to make it easy to convert a conventional skateboard into a vehicle that can be used away from slippery roads.
- the one force application point of the elastic element is arranged in the region of the half of the trailing arm suspension facing the skateboard, preferably in the third of the trailing arm suspension facing the skateboard, particularly preferably in the transverse axis area
- the elastic element on the trailing arm suspension is movable, preferably pivoted, and that an angle spanned between a vertical axis of the roller board and an axis of the elastic element is not equal to 0 °, preferably greater than I ⁇ 30 °
- the elastic element is movably, preferably pivotably, mounted on the roller board or a frame element that is firmly connected to the roller board in the region of its other force application point.
- the elastic element is movably, preferably pivotably, mounted in the region of its other force application point on the other trailing arm suspension.
- the at least one elastic element can be arranged approximately in the region of a transverse median plane of the rolling device. The elastic element is optimally protected against dirt and contamination.
- the axis of the elastic element is arranged at least predominantly in the longitudinal direction of the rolling device, preferably in at least one position of the trailing arm suspension approximately parallel to the rolling board (FIGS. 9 to 31).
- the elastic spring element lies directly under the roller board.
- a particularly high level of driving comfort in rough terrain is achieved with one elastic element per trailing arm suspension, the elastic elements being arranged side by side on both sides of a longitudinal median plane of the roller board and preferably the axes of the elastic elements in at least one position of the trailing arm suspension approximately parallel to one another. This allows particularly long spring travel of the decoupled elastic elements to be achieved with great ground clearance.
- the trailing arm suspension can optionally be designed as a two-armed or a one-armed lever. It is essential that the length of the lever arm of the elastic element is considerably shorter than the lever arm of the wheel axis, based on the transverse axis.
- the transmission ratio can be further increased by the fact that the trailing arm suspension is designed as a multi-unit gear mechanism that acts as a force translator on the elastic element.
- the trailing link wheel suspension is designed, for example, as a four-link gear, the trailing link wheel suspension being pivotally connected to the roller board in its end area on the side of the wheel board via two rotatable wheels.
- the trailing arm suspension is designed as a link chain, two links pivotally connected to each other being connected to each other via an elastic element.
- the elastic element can optionally be designed as a tension or a compression element.
- the chassis between the roller board and at least one trailing arm suspension has a steering device which can be actuated by shifting the weight of the user in order to enable a change in the direction of travel.
- This design has the advantage that the steering device is largely protected against damage and contamination.
- the elastic element can optionally be designed as a helical, spiral, leaf, elastomer or air spring. Combinations between the types of springs are also possible.
- At least one damping element acting on the trailing arm suspension is provided parallel to the elastic element, wherein the damping element can be designed as an oil damper, air damper or as a friction damper.
- the rolling device has two roller boards which are connected to one another in an articulated manner. The steering of the sports equipment takes place by relative rotation of the roller boards to each other, so that own steering devices based on the weight shift of the roller board user can be omitted.
- the off-road capability and driving comfort can be further increased by the fact that the wheels mounted on the wheel axles have tires filled with compressed air or gas.
- the use of multi-layer or foam-filled tires is also conceivable.
- FIG. 1 shows a rolling device with a roller board with a trailing arm suspension designed according to the invention in a first embodiment
- FIG. 1 a shows the trailing arm suspension according to the invention in a second embodiment with a rolling device with two skating boards
- FIGS. 2 and 3 shows the trailing arm suspension in a third embodiment
- 4, 5 and 6 the trailing arm wheel suspension in a fourth embodiment variant
- FIG. 7 an end view of a rolling device in a fifth embodiment variant
- FIG. 8 a detail of a trailing arm wheel suspension in a sixth embodiment variant
- FIG. 9 a trailing arm wheel suspension in a seventh embodiment variant
- 10 shows a trailing link wheel suspension in an eighth embodiment variant
- FIG. 11 shows a detail from FIG. 10, FIG.
- FIGS. 12 shows a top view of this trailing link wheel suspension
- FIGS. 13 and 14 show a ninth and tenth embodiment variant of a length 15 and 16 a trailing link wheel suspension in an eleventh embodiment
- FIGS. 17 and 18 a trailing link wheel suspension in a twelfth embodiment variant
- FIGS. 19 and 20 trailing link wheel suspensions in a thirteenth and fourteenth embodiment variant
- FIGS. 21 and 22 a trailing link wheel suspension variant in a fifteenth 23, 24 and 25 a trailing link wheel suspension in a sixteenth embodiment variant
- FIGS. 26, 27 and 28 a trailing link wheel suspension in a seventeenth embodiment variant
- FIGS. 29, 30 and 31 a trailing link wheel suspension in a eighteenth embodiment variant.
- FIG. 1 schematically shows a sports device 1 designed as a skateboard, with a rolling device 3 consisting of a roller board 2, which is attached to a chassis 4.
- the chassis 4 has two essentially identical trailing arm wheel suspensions 5, each trailing arm wheel suspension 5 having a wheel axle 7 at a first end 6. Instead of a continuous wheel axle 7, axle journals can also be provided.
- Two wheels 8 with air-filled tires 9 are mounted on the wheel axle 7.
- the longitudinal steering wheel suspension 5 is pivotally connected to the roller board 2 in the region of the end 10 facing away from the wheels 8 about a transverse axis 11, wherein in the embodiment variant shown in FIG. 1, a steering device 12 is arranged between the roller board 2 and the longitudinal steering wheel suspension 5, which is shifted by weight enables the user to change the direction of travel.
- the trailing arm suspension 5 is further connected to the roller board 2 via an elastic element 13, which is formed in FIG. 1 by a coil spring 13a.
- the one force application point 14 of the elastic element is arranged in the half of the trailing arm suspension 5 facing the roller board 2, the elastic element 13 being pivotably mounted on the trailing arm suspension 5.
- the other force application point 15 lies in the area of the underside 2b of the roller board 2, the connection between the roller board 2 and the elastic element 13 being formed by a swivel joint 16.
- a damping element 17 is connected in parallel with the elastic element 13, the elastic element 13 and the damping element 17 forming a spring strut and being designed as a unit.
- the arrangement of the elastic element 13 and the damping element 17 enables a very large deflection path of the wheels 8 with a relatively small spring travel of the elastic element 13.
- the decisive factor here is the ratio of the lever arm 1 - measured between the one point of application 14 of the elastic element 13 and the transverse axis 11 - and the lever arm L - measured between the wheel axis 7 and the transverse axis 11. Particularly large deflection movements can be achieved if the transverse axis 11 is as close as possible to the transverse center plane 18 of the rolling device 3.
- the elastic element 13 is advantageously arranged such that an angle ⁇ spanned between a vertical axis 18a of the roller board 2 and an axis 13b of the elastic element 13 is not equal to 0 °, the angle ⁇ advantageously being greater than I. ⁇ 30 °
- FIG. 1 a the trailing arm wheel suspension 5 from FIG. 1 is shown using the example of a rolling device 3 with two rolling boards 2a connected to one another via a joint 2b.
- rolling devices 3 with a plurality of rolling boards 2a are also known under the name “snakeboard”.
- the change in direction of travel is generated by relative rotary movements of the rolling boards 2a with respect to one another, which means that steering devices can be omitted 2a connected.
- trailing arm suspension 5 is designed as a link chain with two links 5a and 5b, one link 5a being connected to the roller board 2 via the elastic element 13 and pivotally connected to one another Links 5a and 5b are connected to one another via two further elastic elements 19, which can be designed as pressure elements 19a (FIGS. 2 to 6) or as tension elements 19b (FIG. 8).
- the longitudinal steering wheel suspension 5 is connected to the roller board 2 via a steering device 12, similarly to FIG. 1.
- the overhead steering device 12 is optimally protected against damage and contamination. Characterized in that the entire longitudinal - O -
- the trailing arm suspension 5 has a substantially rectangular or trapezoidal shape.
- the trailing arm suspension 5 can also have the shape of a triangle with a base in the region of the first end 6 and a tip in the region of the second end 2, in which the steering device 12 is located.
- FIGS. 4 to 6 show an embodiment variant in which the steering device 12 is arranged in the region of the first end 6 of the trailing arm wheel suspension 5.
- the steering deflections which are smaller in comparison to the previous exemplary embodiment, enable higher speeds and a highly dynamic driving style with large curvature inclinations of the rolling device 3.
- an elastic element 13 is arranged per trailing arm wheel suspension 5 in the region of the longitudinal center plane 20, which connects the link 5a of the trailing arm suspension 5 with the roller board 2.
- the links 5a and 5b are connected to one another on both sides by a further elastic element 19, as can also be seen from the plan 5 and the end view 6 of the trailing arm suspension 5.
- FIG. 7 an end view of a sports device 1 with a steering device 12 below is shown in FIG. 7, in which - as in the exemplary embodiment shown in FIG. 1 - a single elastic element 13 is provided per longitudinal steering wheel suspension 5 for support against the roller board 2 .
- the trailing arm wheel suspension 5 is designed as a one-armed lever.
- 9 to 16 show variants in which the trailing arm suspension 5 is designed as a two-armed lever.
- the transverse axis 11 is located approximately in the area between the one force application point 14 and the first end 6 of the trailing arm suspension 5.
- These exemplary embodiments also have in common that the elastic element 13 is arranged in the area of the transverse plane 18.
- the elastic element 13 is arranged parallel to the roller board 2 or slightly inclined to it and is supported in the area of the other force application point 15 on a frame element 21 of the rolling device 3, the elastic element 13 being the transverse plane 18 cuts.
- the steering device 12 can be arranged in the region of the first end 6 (see FIGS. 9 and 12) or in the region of the transverse axis 11 (FIG. 10).
- a design of the swivel joint 16 that is rotatable about a vertical axis 22 of the roller board 2 is required. This can be achieved, for example, by means of a rubber bearing 23 shown in FIG. 11 or a ball joint.
- the elastic elements 13 of each trailing arm suspension 5 are arranged on both sides of the longitudinal center plane 20, which results in a particularly space-saving design.
- the elastic elements 13 are optimally protected against damage and contamination. Additional protection against damage can be by the design of the frame element 21, which - as can be seen in FIGS. 9 and 12 - extends laterally on both sides of the elastic elements 13.
- the elastic element 13 is arranged in the direction of the vertical axis 22 in the region of the transverse plane 18 and is supported on a bow-shaped frame element 21.
- 15 and 16 show an embodiment in side view and in plan, in which a single elastic element 13 is provided, which is supported only on the two trailing arm suspensions 5.
- One force application point 14 is arranged on one trailing arm wheel suspension 5 and the other power drive point 15 on the other trailing arm wheel suspension 5, the axis 13b of the elastic element 13 being positioned approximately parallel to the roller board 2 in the region of the longitudinal center plane 20 and intersecting the transverse plane 18.
- the elastic element 13 is surrounded on both sides by protective frame elements 21 on which the trailing arm suspension 5 and the transverse axis 11 are pivotally mounted.
- the elastic element 13 being designed as a tension element, i. that is, the force application points 14 and 15 move away from each other when deflected.
- the elastic element 13 can have a helical compression spring 13a.
- the force application points 14 and 15 are located on one side of the helical spring 13a, a tension rod 24 being provided between the force application point 14 and the helical compression spring 13a.
- 19 shows a further exemplary embodiment with an elastic element 13 designed as a tension element, one force application point 14 of which lies on the trailing arm suspension 5 and the other force application point 15 of which lies on an intermediate member 25 or on the roller board 2.
- trailing arm suspension 5 is designed as a multi-link gear 26. which acts on the elastic element 13 force-translating.
- Design variants with multi-link gears 26 are shown in FIGS. 20 and 23 to 25.
- Fig. 20 shows a four-link transmission, the trailing arm suspension 5 being pivotally mounted via intermediate links 5c and 5d on a frame element 21 which is fixedly connected to the roller board 2.
- One force application point 14 of the elastic element 13 is located on the trailing arm suspension 5, the other force application point 15 on the frame element 21.
- Force application point 15 on the frame element 21 is arranged in the region of the transverse axis 11, about which the longer member 5c is pivotally mounted.
- FIGS. 9 to 13 show a further exemplary embodiment of the invention, in which the elastic element 13 is arranged approximately parallel to the roller board 2 in the region of the transverse plane 18 analogously to the exemplary embodiments shown in FIGS. 9 to 13.
- the trailing arm suspension 5 is pivotally mounted on the frame element 21 via the rigid intermediate links 5e, 5f forming a triangle of articulation and the transverse axis 11.
- One force application point 14 of the elastic element 13 lies on the intermediate member 5f, the other force application point 15 on the frame element 21.
- 26 to 28 show a further embodiment of a trailing arm suspension 5 in a side view, front view and in plan view, in which the two trailing arm suspensions 5 are supported against one another via an elastic element 13 analogously to the embodiment shown in FIGS. 15 and 16.
- One force application point 14 of the elastic element 13 lies on one trailing arm wheel suspension 5, the other force application point 15 on the other trailing arm wheel suspension 5.
- the two trailing arm wheel suspensions 5 are essentially fork-shaped and partly identical. These trailing arm wheel suspensions 5 are suitable for sports equipment 1 with steering devices 12 located in the area of the first ends 6.
- Trailing arm suspensions 51 and 52 are shaped differently from one another as one-armed levers.
- a trailing arm suspension 51 is formed substantially as a U- or O-fb 'WAVY frame, and biases in the region of the longitudinal center plane 20 has an opening 51a.
- the other trailing arm suspension 52 has in this area a shaft 52a which crosses the trailing arm suspension 51 in the area of the opening 51a.
- the elastic element 13 itself can be designed as a coil spring, as a spiral spring, as an air spring, as a leaf spring or as an elastomer spring.
- the damping element 17 which can be used in each embodiment variant shown can be based on the principle of oil damping, air damping or friction damping.
- the tires 9 are preferably filled with gas or compressed air.
- gas or compressed air it is also possible to use tires made of solid material or tires made of sandwich construction. For off-road use, it is advantageous if the tires are profiled.
Landscapes
- Motorcycle And Bicycle Frame (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98914697A EP0979128A1 (de) | 1997-04-16 | 1998-04-16 | Sportgerät mit einer zweispurigen rollvorrichtung |
AU69107/98A AU6910798A (en) | 1997-04-16 | 1998-04-16 | Sports appliance with a two-track rolling device |
CA002287433A CA2287433A1 (en) | 1997-04-16 | 1998-04-16 | Sports appliance with a two-track rolling device |
JP54329798A JP2001523123A (ja) | 1997-04-16 | 1998-04-16 | 2連式ローラ装置を備えたスポーツ器具 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATGM234/97 | 1997-04-16 | ||
AT23497U AT2056U1 (de) | 1997-04-16 | 1997-04-16 | Sportgerät mit einer zweispurigen rollvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998046316A1 true WO1998046316A1 (de) | 1998-10-22 |
Family
ID=3485126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT1998/000097 WO1998046316A1 (de) | 1997-04-16 | 1998-04-16 | Sportgerät mit einer zweispurigen rollvorrichtung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0979128A1 (de) |
JP (1) | JP2001523123A (de) |
AT (1) | AT2056U1 (de) |
AU (1) | AU6910798A (de) |
CA (1) | CA2287433A1 (de) |
WO (1) | WO1998046316A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2823987A1 (fr) * | 2001-04-27 | 2002-10-31 | Patrick Pierron | Chassis a deformation controlee pour un engin de glisse, notamment pour une planche a roulettes |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6926294B2 (en) | 2002-10-17 | 2005-08-09 | Michael G. Lewis | Off-road in-line two wheeled skateboard |
KR100932682B1 (ko) * | 2006-09-29 | 2009-12-21 | 한정식 | 풋 바이크 |
ES2365784B1 (es) * | 2010-03-02 | 2012-08-30 | Luis Carrillo Lostao | Patín. |
KR101336367B1 (ko) | 2012-12-18 | 2013-12-04 | 김기환 | 자체구동이 가능한 스케이트 보드 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4645223A (en) | 1985-02-21 | 1987-02-24 | Grossman Richard D | Skateboard assembly |
US5100161A (en) | 1991-03-12 | 1992-03-31 | Joseph Tillyer | Skateboard for use in off-road situations |
WO1993012846A1 (en) | 1991-12-20 | 1993-07-08 | Nordica S.P.A. | Skate with aligned wheels |
US5474314A (en) * | 1994-07-07 | 1995-12-12 | Lehman; James | Coaster board |
WO1996013309A1 (en) * | 1994-10-28 | 1996-05-09 | John De Courcey Milne | Sports conveyance suspension systems |
-
1997
- 1997-04-16 AT AT23497U patent/AT2056U1/de not_active IP Right Cessation
-
1998
- 1998-04-16 JP JP54329798A patent/JP2001523123A/ja active Pending
- 1998-04-16 EP EP98914697A patent/EP0979128A1/de not_active Withdrawn
- 1998-04-16 WO PCT/AT1998/000097 patent/WO1998046316A1/de not_active Application Discontinuation
- 1998-04-16 AU AU69107/98A patent/AU6910798A/en not_active Abandoned
- 1998-04-16 CA CA002287433A patent/CA2287433A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4645223A (en) | 1985-02-21 | 1987-02-24 | Grossman Richard D | Skateboard assembly |
US5100161A (en) | 1991-03-12 | 1992-03-31 | Joseph Tillyer | Skateboard for use in off-road situations |
WO1993012846A1 (en) | 1991-12-20 | 1993-07-08 | Nordica S.P.A. | Skate with aligned wheels |
US5474314A (en) * | 1994-07-07 | 1995-12-12 | Lehman; James | Coaster board |
WO1996013309A1 (en) * | 1994-10-28 | 1996-05-09 | John De Courcey Milne | Sports conveyance suspension systems |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2823987A1 (fr) * | 2001-04-27 | 2002-10-31 | Patrick Pierron | Chassis a deformation controlee pour un engin de glisse, notamment pour une planche a roulettes |
WO2002087711A1 (fr) * | 2001-04-27 | 2002-11-07 | Patrick Pierron | Châssis a deformation controlee pour un engin de glisse, notamment pour une planche a roulettes |
US6979006B2 (en) | 2001-04-27 | 2005-12-27 | Patrick Pierron | Underframe with controlled deformation for gliding craft, in particular for skateboard |
Also Published As
Publication number | Publication date |
---|---|
AU6910798A (en) | 1998-11-11 |
JP2001523123A (ja) | 2001-11-20 |
EP0979128A1 (de) | 2000-02-16 |
AT2056U1 (de) | 1998-04-27 |
CA2287433A1 (en) | 1998-10-22 |
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