EP3648854A1 - Lenkachseneinheit für skateboards oder fahrgestelle - Google Patents
Lenkachseneinheit für skateboards oder fahrgestelleInfo
- Publication number
- EP3648854A1 EP3648854A1 EP18725384.4A EP18725384A EP3648854A1 EP 3648854 A1 EP3648854 A1 EP 3648854A1 EP 18725384 A EP18725384 A EP 18725384A EP 3648854 A1 EP3648854 A1 EP 3648854A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- skateboard
- steering axle
- chassis
- bearing block
- steering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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
- A63C17/017—Production or mounting thereof
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/01—Skateboards
- A63C17/011—Skateboards with steering mechanisms
- A63C17/012—Skateboards with steering mechanisms with a truck, i.e. with steering mechanism comprising an inclined geometrical axis to convert lateral tilting of the board in steering of the wheel axis
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/01—Skateboards
- A63C17/014—Wheel arrangements
- A63C17/015—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
- A63C17/26—Roller skates; Skate-boards with special auxiliary arrangements, e.g. illuminating, marking, or push-off devices
- A63C17/265—Roller skates; Skate-boards with special auxiliary arrangements, e.g. illuminating, marking, or push-off devices with handles or hand supports
-
- 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 invention relates to an axle assembly or suspension according to the preamble of claim 1.
- the invention further relates to a
- Chassis in particular a skateboard, which has at least one axle assembly according to the invention or wheel suspension.
- Skateboards have always been designed so that on the underside front and rear of the vertical longitudinal center plane angled downwardly projecting bolts (so-called Kingpin's) are provided.
- Each of these two bolts carries in mirror-symmetrical arrangement a Radachsen redesign having an opening for the Kingpin screws with recessed exemptions for receiving and positioning the steering rubbers on its front side, and has at its other end via a pivot which rests against the frame, and further carries Rolfen or wheels at its transversely projecting to the direction of outer ends Rolfen.
- Skateboards have no steering in the traditional sense, but only on the two mirror-symmetrically obliquely downwardly projecting axle body, which execute a forced steering movement about the steering axis under the influence of the cover movement against the resistance of sitting on the aforementioned Kingpin's elastic steering rubbers. Only by the angle between the ground plane parallel to the floor of a chassis and the angularly projecting downwards axle bodies results in a relative steering movement with respect to the vertical longitudinal center plane of the axle laterally transversely projecting wheel axles.
- the connection between the fixed bearing block and the movable wheel axle of the arranged on the vertical longitudinal center plane wheel axle units (so-called trucks), to
- the object of the invention is to provide a suspension for skateboards or
- the deck of a equipped with this axle chassis or skateboards when driving straight ahead, and especially when repelled with one leg at a obliquely to the direction of travel driving force must remain in a stable, straight direction of travel.
- Another task is to reduce the height of the floor space by the particularly low design of the axles so much that the risk of falling inexperienced drivers is significantly reduced. This is intended to be used for a larger target group means of transportation substantially without age restriction, which requires for driving no special but only average skill that basically brings everyone who can for example already skating or Rollerbladefahren.
- a front movable Radachsen redesign pivots to direction control about an inclined vertical axis with a spaced from this in the direction of travel roles or wheels transverse axis.
- the curve-inward front wheel automatically removes the more of the vertical longitudinal center plane, the farther the
- Transverse axis is constructively provided in front of the oblique vertical axis.
- a greater constructive spacing of the axes mentioned causes, on the one hand, an increase in the area between the vertical longitudinal center plane and the two when deflecting
- the inventive design of the novel wheel axle allows for a very low, near-the-ground deck, wherein by the about its vertical axis freely movable, horizontally projecting forward and upward steering angle in
- a new product with very special, new driving characteristics is created, which is distinguished from the classic skateboard by the low height and a quickly learnable, very simple handling with perceived new driving dynamics, and that also for Skateboards has hitherto unknown driving safety.
- a driver can move a board according to the invention from the beginning and without skateboarding relatively safe, which includes ascend, drive off and steer, even circles is possible.
- the transverse wheels 8 carrying the rollers or wheels must, viewed in the direction of travel 25, be located in a very specific, limited area in front of the vertical axis CD 22 in order to achieve these particularly advantageous steering properties.
- This distance is defined below by the length of the normal distance 20 from the forwardly inclined vertical axis CD 22 as well as by their angle W1.
- Many practical tests have shown that a normal distance 20 of about 40 mm or smaller leads to a very steering-sensitive, tilting driving behavior, and a
- Angular range W1 from 40 ° to 60 °, more dynamic steerable even in an even narrower range between 45 ° and 50 °, If the angle W1 constructively greater than 50 °, then occurs when driving a felt oversteer, at an angle W1 of less than 40 °, the dynamic felt feel is lost while driving. That's the effect out that not the expected, manoeuvrable curve is driven, but just a flatter arc. All parameters initially refer to common boards between about 700 to 1000 mm in length with a wheelbase of about 600 to 850 mm and on a non-directional rear axle.
- the movable steering axle body 98 is angled upward in the region 5, so that the transverse axis 8 provided on the axle body 3 constructively achieves a particularly small distance from the cover surface, whereby the rollers or wheels seated on the axle 8 in installation position, they can extend to about the deck, resulting in a particularly low clearance height of the deck surface from the ground.
- the low board height causes in connection with the direct steering of the front axle for a skateboard hitherto unknown safe driving experience, starting from the very first driving tests.
- the steering axle body 98 With regard to its cross-sectional shape of the steering axle body 98 is designed so that the, the steering kinematics substantially determining normal S1, down front from the vertical axis CD 22, on the inventively optimized distance 20 and ends in the axle center 8.
- the area within which an optimal dimensioning of the steering axle in the sense of optimal driving characteristics can be designed, consists of the
- Fig. 6b chassis or skateboard, front axle in neutral position for straight ahead Fig. 7 skateboard without mounted wheels, side view obliquely from below
- Fig. 8a classic suspension, offset to skateboard center, neutral position
- FIG. 9a shows a front suspension according to the invention, transverse axis in front of the vertical axis
- Fig. 9b skateboard, front with a suspension according to the invention, deflected
- Fig. 11 skateboard with rear axle with a forward upstanding pivot
- Fig. 12 skateboard with rear axle with a rearwardly projecting pivot above
- Fig. 14b skateboard or chassis with a handrail, deflected
- Fig. 15 skateboard or chassis and a support bar with 4 wheels
- FIGS. 18 and 19 are diagrams of the optimal steering axle parameters
- FIG. 1 shows a wheel axle 24 according to the invention in partial section, consisting of the fixed bearing block 1 and the movable axle part 98 (FIG. 2d), and the bearing disks 12a and 12b provided by way of example between these two parts in the openings 30 and 31.
- the section 2 (Fig.2d) of the movable axle 98 further has in its opening 10 via the bearing sleeve 14 (Fig. 2a, 2b, 2c) and a further axial bearing unit in the opening 9, said construction by the bolt 13 and the mother 17 is held together.
- plain bearing combinations of metal rings and plain bearing rings 12a, 12b (Fig.2a) and 12a, 12b, 12c, 12d, 12e (Fig.
- the two end bearing levels are located on the or parailei to the plane AB, which in turn is normal to the vertical longitudinal center plane and at a predetermined angle from the front bottom to the back top. Furthermore, located on the vertical longitudinal center plane, the vertical axis CD, wherein the angle between the vertical axis CD and the longitudinal axis EF in the range between 5 ° and 85 °, better between 30 ° and 60 ° and best between 40 ° and 50 °.
- the pivoting movements of the part 98 thus take place along or parallel to the plane AB and about the axis CD.
- the movable axle part 98 essentially consists of the sections 2, 3, 4, 5 and 8, the section 2 being angled away from the section 4 in the region 5 in the direction of the cover contact surface 52, whereby the distance line 33, which extends from the center of the axis 8 go and normai to the axis CD is shortened to the distance 20.
- FIGS. 2a, 2b and 2c show exploded views of the axle unit 24 with different embodiments of Axiallagem, consisting of the fixed part 1 and the movable axle 98, which extends through its portion 2 normal to this and centric through the opening 10, the axis CD.
- Axiallagem consisting of the fixed part 1 and the movable axle 98, which extends through its portion 2 normal to this and centric through the opening 10, the axis CD.
- an adequate axial roller bearing and in the opening 10 is a radial bearing for the bolt 13, preferably one is pressed bearing sleeve.
- the bolt 13 is used for
- Screwing the assembly 24, to do so is secured against rotation in the housing 1 and connects the parts 1 and 98, wherein the axial bearing 15 is in the opening 9, so after screwing through the nut 17 backlash-free pivoting of the movable axle 98 regardless of possible Deviating height is ensured, and without a torque acting on the nut 17 during pivoting of the part 98.
- Fig. 2d shows parts of the front steering axles as an assembly 24 in the oblique, wherein a rotation of the two plain bearing discs 12a / 12b by one at the
- Fig. 2b shows a sliding bearing device where in the recesses 30 and 31, the flat steel rings 12d and 12e are inserted, on which slide the bearing discs 12a and 2b, between these two plain bearing discs, the annular steel disc 12c is provided.
- Fig. 2c shows a further embodiment, where in the circular recesses 30 and 31 are each a flat Stah! Ring, which these recesses but surmounted, being located between the two flat steel rings Gieitlagerschetbe 12k, which remains centrally positioned by the bolt 13.
- Fig. 3 shows a steering axle unit from the underside in an oblique view, consisting of the bearing block 1, which has the angled protruding surface 6, which defines the plane AB and thus en boundary surface portion to the movable Achsteii 98 and has the distancing thrust bearing 12a, and the movable along the plane AB axle portion 98, which has the opening 9 for receiving a thrust bearing 15 and the opening 10 for receiving the fferboizens 13.
- the movable axle 98 in turn has the straight sections 2 and 4, which in the area 5 in the direction of
- Bearing brackets 1 are kinked, being provided on the two extensions 4 of the axle 8 carrying axle 3, from which protrude the two ends of the axle 8, which roles or wheels wear.
- Fig. 4 shows a steering axis unit from the top in an oblique angle
- the angularly projecting from this top 6 has an arcuate release 26 with their lateral abutment surfaces 27 and 28, and that within this limits the extension 29 of the axle member 98 during pivoting arcuate emotional.
- the top of the bearing block 1 has a number of holes through which by means of connecting elements such as Beispie! Screws a firm connection with the deck of a chassis or skateboard is made.
- FIG. 10 shows a skateboard or chassis in the direction of travel 25 facing in side view with a front steering axle unit 24 and a rear suspension 99, which consists of the sections bearing block 49 with an upper boundary surface 41, and that the bearing block 49 via a substantially horizontally rearwardly facing Opening for receiving the pivot pin 46 of the wheel axle 101 has, which in turn is screwed between the elastic members 43 and 44 by means of the Kingptn screw 105 and the nut 104.
- This design allows bilateral tilting of the deck without deflection of the rear axle.
- the elastic member 43 is larger in diameter, height, mass and Shore hardness than the elastic member 44, which is the standard for
- Skateboard axes corresponds.
- the longitudinal stability of such a skateboard is therefore dependent on the one hand on the properties of the elastic parts of the rear suspension 99, and on the other hand on the torque with which the screw 104 has been zugschraubt.
- a suspension 99 became a particular one Torque on the screw 104, depending on the weight of the driver and associated with the desired driving characteristics.
- Fig. 11 shows in a further preferred embodiment, a rear
- Fig. 12 shows in a further preferred embodiment, a rear
- Wheel suspension 99 in which the wheel axle 101 is located on the rear upward rising plane 84, with the result that the rear axle in the cornering steered in opposite directions, whereby arcs can be driven with smaller radii.
- FIG. 5a shows a rear suspension 99 as an assembly in oblique view with the axle support 102 and the steering axle 101 screwed therein from which the axles 45 protrude at the end faces, which wheels or rollers are held by screwing in their position, the rollers in installation position pointing to the rear, even to avoid while driving the same with the driver's shoe.
- Fig. 5b shows an exemplary rear wheel axle 101, consisting of the transverse portion 42 and the extension 50 at the front end of the pivot pin 46 is provided, wherein the extension 50 via the bore 47 and on both sides via recesses 48 has.
- FIGS. 6a and 6b compare an exemplary skateboard with a view of the underside thereof, in which the front axle carrier 98 is deflected in FIG. 6a, from which it can be seen that the complete axle 8, which is arranged at a distance 56 in front of the pivot point 13, from the vertical Longitudinal plane 51 pivots out.
- the front steering axle has at least one steering shock absorber 200 which is movably connected in the region 201 and which is supported with a fastening element 202 against the deck 52 so that the faster driving over of obstacles does not cause any steering deflection.
- Fig. 7 shows in addition to the figures 6a and 6b, an exemplary skateboard in the view obliquely from below with a deck 52, a front in the direction of travel 25
- FIGS. 8 and 9 compare the deflected end positions of the wheels as a function of the positions of the wheel transverse axes 8 with respect to the axes of rotation 13.
- the transverse axes 8 are spatially spaced apart within the axes of rotation 13 arranged, with the result that the lying between the vertical longitudinal center plane and the Aufiage Vietnameseen 63 and 64 on the inside of the curve standing surface 65 is reduced at full deflection on the smaller, less stable surface 66.
- the transverse axis 8 of the wheel axle unit 24 is located at a distance 72 spatially in front of the rotation axis 13, whereby the standing surface located between the vertical longitudinal center plane and the support points 67 and 68 increases overall in a stabilizing manner.
- 9c shows an embodiment with two Radach units 24 according to the invention, whereby the surface 70 is increased again.
- FIGS 14 and 15 show further preferred embodiments of
- Chassis in various embodiments and views, wherein a board 52 has a front axle unit 24 and a rear axle unit 99, and wherein in Fig. 14a of the board 52 a rigid, removable, telescopic or foldable Haitestange 90 projects, which via an exemplary handle 14 features.
- FIG. 14b and 14c show an embodiment with 3 wheels wherein the single rigidly suspended rear wheel 93 has a convex cross section.
- FIG. 14d shows the same embodiment in an oblique view from below.
- Fig. 14e shows a skateboard or chassis with a rigid, detachable, telescopic or foldable support bar 90, wherein the deck 52 is folded in the front region at the two locations 120 and 122 by the exemplary angled length 121, so that the board 52 to increase Ride comfort is significantly reduced by this measure in the direction of footprint 100, and the rear wheel or the rear roller in a cover release in the axis region 123 can thus be stored directly in the board height.
- Fig. 15 shows another embodiment of an exemplary undercarriage with front and rear moving axles with a total of 4 rollers or wheels in oblique view from below.
- a board 52 has setner front side via an axle unit 24 and on the rear side via an axle unit 99.
- the embodiment of the rear axle unit 99 is selected here by way of example. Depending on the desired driving characteristics, combinations according to FIGS. 10, 1, 12 and 13 are possible.
- FIG. 16 shows, in cross-section, a front steering axle unit 24 oriented straight to the vertical longitudinal center plane, in which the vertical axis CD 22 is provided in a preferred angular range of 40 to 50 degrees, wherein the straight line S2 extends longitudinally through the two points 8 and 130 and in turn with the CD normal S1 with the length 20 encloses the angle W3.
- the vertex of the angle W3 between the two legs S1 and S2 has its geometric origin in the center of the transverse axis 8, wherein S2 extends between the apex 8 and the point 130, which in turn is located approximately at the mean bearing height of the steering axle body 98 movable about the axis CD.
- H1 (H2) S1 x tan angle W3.
- W3 (H / S1) tan "1
- Fig. 18 shows a diagram which is compatible with the values of the various
- exemplary angle W2 has been created from the six figures 16a to 17c, wherein the range of ratio values enclosed in the diagram by the two curves gives optimum steering ratios.
- All boards with steering axles in the various versions and combinations are provided in further preferred embodiments with a drive, in particular with an electric drive in versions as a hub motor and / or as a final drive.
Landscapes
- Motorcycle And Bicycle Frame (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2017/000529 WO2017190829A1 (de) | 2016-05-04 | 2017-04-28 | Hydraulikzylinder, insbesondere hauptbremszylinder für hydraulische bremsanlagen |
AT1842017 | 2017-05-05 | ||
AT2522017 | 2017-06-12 | ||
PCT/AT2018/000011 WO2018176070A1 (de) | 2017-03-30 | 2018-03-02 | Lenkachseneinheit für skateboards oder fahrgestelle |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3648854A1 true EP3648854A1 (de) | 2020-05-13 |
Family
ID=63682533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18725384.4A Withdrawn EP3648854A1 (de) | 2017-04-28 | 2018-03-02 | Lenkachseneinheit für skateboards oder fahrgestelle |
Country Status (3)
Country | Link |
---|---|
US (1) | US11273362B2 (de) |
EP (1) | EP3648854A1 (de) |
WO (1) | WO2018176070A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019164882A1 (en) * | 2018-02-21 | 2019-08-29 | Tyler Gerald | Skateboard truck assembly and wheel control structures |
US11369860B2 (en) | 2019-08-21 | 2022-06-28 | Gerald Tyler | Truck assembly and wheel control structures |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2431309A1 (fr) | 1978-07-19 | 1980-02-15 | Beyl Jean Joseph Alfred | Train de roulement pour planche a roulettes |
FR2810895B1 (fr) | 2000-06-30 | 2002-09-20 | David Nicolas Cauchy | Planche a roulettes a moteur electrique, commandee par deux interrupteurs poussoirs, offrant trois ou quatre fonctions dont les fonctions freinage et roue libre |
US6793224B2 (en) * | 2001-03-08 | 2004-09-21 | Carver Skateboards | Truck for skateboards |
US20020135147A1 (en) * | 2001-03-23 | 2002-09-26 | Guang-Gwo Lee | Kick scooter steering mechanism |
US7219907B2 (en) * | 2003-07-07 | 2007-05-22 | Chuck Chang | Skateboard wheel set with suspension device |
US20050051983A1 (en) * | 2003-09-09 | 2005-03-10 | Williams Alfred C. | Double stacked trucks for skateboards |
US7150460B2 (en) * | 2003-09-09 | 2006-12-19 | Alfred Williams | Skateboard truck |
US7104558B1 (en) * | 2006-01-05 | 2006-09-12 | Fred Saldana | Skate truck assembly |
US8888108B1 (en) * | 2011-02-09 | 2014-11-18 | Robert Dean Beaty | Skateboard truck |
US9010777B2 (en) | 2011-11-03 | 2015-04-21 | Braden Boards, Llc | Skateboard truck assembly |
US8608185B2 (en) * | 2012-01-06 | 2013-12-17 | Reincarnate, Inc. | Skateboard truck |
US20130270781A1 (en) * | 2012-04-17 | 2013-10-17 | Paul David Kuyt | Interchangeable Bushing Seat Inserts For Skateboard Truck |
US20140251072A1 (en) | 2013-03-06 | 2014-09-11 | Gerard J. LaBrie | Skateboard/snowboard spinning knob handle |
US11213739B2 (en) * | 2017-09-12 | 2022-01-04 | Rxf Motions | Rotation powered vehicle |
US10384116B1 (en) * | 2018-11-06 | 2019-08-20 | Jih-Wei Yeh | Steering apparatus of a skateboard |
EP3996823A4 (de) * | 2019-07-08 | 2023-08-23 | MTMX Corporation, Inc. | Skateboard und skateboard-trucks zum simulieren von surfen |
-
2018
- 2018-03-02 US US16/498,963 patent/US11273362B2/en active Active
- 2018-03-02 EP EP18725384.4A patent/EP3648854A1/de not_active Withdrawn
- 2018-03-02 WO PCT/AT2018/000011 patent/WO2018176070A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
WO2018176070A1 (de) | 2018-10-04 |
US11273362B2 (en) | 2022-03-15 |
US20200376361A1 (en) | 2020-12-03 |
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