DE102017001515A1 - Skateboard for training purposes - Google Patents

Abstract

Skateboard (1) according to 1 , full
- a skateboard board (2) with a top (2Os) and a bottom (2Us),
- each one Radachsenaufhängung (2.1) in the region of the ends of the bottom (2Us) with two front wheels (2.2v) and two rear wheels (2.2h), which are independently movable in different directions of space,
- At least one in the region of at least one end of the longitudinal axis of the upper side (2Os) or the bottom (2Us) centrally arranged mounting plate (3) and a congruent or secondarily arranged second mounting plate (4.1), wherein in each mounting plate (3, 4.1) and from the upper side (2Os) to the underside (2Us) of the skateboard board (2) there are at least four through holes with or without an internal thread (3.1.3) with a common longitudinal axis into each of which a fixing screw (3.1, 3.1.1 ) is screwed in with a screw thread (3.1.2) and fastened with a fixing nut (3.1.5), and
- One on the mounting plate (4.1) fixed, holding device (4) with a centrally located at the upper end crossbar (4.6) with two terminally arranged handles (4.6.1).

Description

Field of the invention

The present invention relates to a skateboard for exercise purposes.

Moreover, the present invention relates to a method for equipping a skateboard for training purposes.

State of the art

The cited prior art is incorporated by reference in the present application.

Longboards are a kind of an enlarged form of skateboard and were originally developed from surfboards because the surfers wanted to transfer the feeling of surfing to the streets (Sidewalk Surfing ', Jan & Dean on The Little Old Lady from Pasadena, Liberty Records, 60's) years).

Skateboards and longboards are distributed with different outlines. Exemplary is the American design patents US Pat. No. D629,859 p . US D556,283 p or the American patent US Pat. No. 8,550,480 B1 directed. Skateboards can also be equipped with electric motors and sensors, as in the American patent application US 2017/0007910 A1 is described. From the American patent application US 2015/0130156 A1 and the American design patent US D764,001 p is a skateboard with a special suspension 'known. The American design patent US D757,873 S shows an advantageous embodiment of a skateboard wheel.

From the American patent application US 2016/583 A1 is a "bikeboard" that combines the characteristics of a bike with front wheel and handlebar with a skateboard board with two rear wheels. It is not clear what particular advantage this design should offer. In any case, it is not suitable for training purposes.

The handling of a skateboard requires a very good sense of balance and a lot of practice because the board or board and the four wheels can move simultaneously in several different directions of space. It is therefore desirable to have a skateboard for training purposes, so that a beginner gains a feeling for the device more easily and quickly, and after a shorter exercise time, masters the skateboard safely.

According to the invention this object is achieved by the skateboard according to the main claim. Advantageous embodiments will become apparent from the dependent claims.

The skateboard of the invention may be a minicruiser, a classic skateboard (Cruiser or Carver), a pintail skateboard or a dropthrough skateboard. His skateboard board, which has a top and bottom, can be flexible or not flexible. The majority of skateboards are constructed of horizontal wood or vertically laminated bamboo (called VLAM). In addition, other VLAM combinations exist, for example, from aspen and mahogany. The skateboard board can also be reinforced by appropriately aligned fiber-plastic composites.

Usually the skateboard boards are decorative painted or painted. There are also decorative films into consideration. The top can also be non-slip.

The skateboard according to the invention has on the underside of the skateboard board in each case a Radachsenaufhängung in the region of the ends of the longitudinal axis of the underside with two front wheels and two rear wheels, which are independently movable in different directions of the room. The wheel axle suspensions also allow lateral tilting of the skateboard board. This is for example by the 8th the American patent application US 2015/0130156 A1 illustrated, from which also emerge appropriate Radachsenaufhängungen.

In a first embodiment, the skateboard according to the invention has at least one first attachment plate arranged centrally in the region of at least one end of the longitudinal axis of the upper side. Preferably, the skateboard according to the invention in the region of the two ends of the longitudinal axis in each case a centrally disposed first mounting plate. On the first mounting plate or on one of the two first mounting plates, a second mounting plate is arranged congruently.

In a second embodiment, the skateboard according to the invention has at least one first attachment plate arranged centrally in the region of at least one end of the longitudinal axis of the underside. Preferably, the skateboard according to the invention also in this embodiment in the region of the two ends of the longitudinal axis in each case a centrally arranged first mounting plate. About the first mounting plate or on one of the two first mounting plates, a second mounting plate is arranged congruently on the top.

The embodiment with two first fastening plates offers the advantage that the holding device to be used according to the invention can be fastened alternately at two points of the skateboard board.

The mounting plates may be square, rectangular, round, oval, rectangular or square with a rounded edge and / or with rounded corners.

In the second embodiment, it may be an integral part of the wheel axle suspensions.

For a given skateboard both alternatives can be realized.

Through each mounting plate and from the top to the bottom of the skateboard board at least four, in particular four, through holes are arranged with or without internal thread. The holes through the mounting plates and the skateboard board each have a common longitudinal axis. Fixing screws with a complementary screw thread are screwed into the drill holes and fastened permanently detachable with fixing nuts. The fastening nuts can be underlaid with washers.

If the mounting plates are to be permanently connected, the fastening nuts can be glued or welded to the mounting screws. Alternatively or additionally, the screw heads may be glued or welded to the second mounting plate.

In principle, every type of nut is suitable for fastening nuts. Examples of suitable fastening nuts are hexagon nuts, square nuts, lug nuts, cap nuts, self-locking nuts, castle nuts and wing nuts. They can have right or left hand threads.

In principle, every type of screw is suitable for fastening screws. Examples of suitable fastening screws are screws with hexagonal, cylindrical, countersunk, round and Linsenkopf head shapes. They can have right or left hand threads.

The mounting plates, mounting screws and fastening nuts consist of conventional and known materials, in particular of glass fiber or carbon fiber reinforced plastics or metals, in particular steel, brass and other non-ferrous alloys, titanium and aluminum.

On the second mounting plate is permanently or releasably secured a fixed, vertically or in the direction of travel forward inclined or curved holding device. At its upper end a crossbar with two terminally arranged handles is centrally permanently or detachably attached.

The vertical or in the direction of travel forward inclined or curved holding device may be rigid, adjustable in height, angle adjustable and / or foldable. For these purposes, conventional and known devices can be used, as they are known for example from collapsible bicycles or scooters.

The holding device is welded to the second mounting plate, screwed or infected. If the holder is to be detached again, it is screwed or infected. These conventional and known screw, Bayonettverbindungen or connectors can be used.

The holding device can be present in different embodiments.

So it can be a rigid, straight or bent tube.

It may consist of at least two, in particular two, arranged one above the other, formed by at least one, in particular one, conventional and known joint or a conventional and known folding device and / or folding device interconnected, straight or curved tubes.

In the case of a height-adjustable holding device, this can be formed from at least two, in particular two, telescoped, straight tubes and have at least one, in particular one, fixing device for fixing a selected height position. Examples of suitable locking devices are clamps or devices, as used for example in height-adjustable crutches.

At the upper end of the holding device a cross bar is permanently or removably attached. For attachment devices can be used with advantage, as they are used in bicycle handlebars. The crossbar has the form of a fixed or adjustable, straight or curved bicycle handlebar. At each of its two ends a handle is arranged. Preferably, the handle is ergonomically shaped. The crossbar may also have pads on which the forearms can be stored.

The skateboard according to the invention can be painted in different colors, painted or decorated with ornaments. It is ideal as a training device for safe driving with a skateboard.

1. (I) auf einem Skateboard-Brett mit einer Oberseite und einer Unterseite sowie jeweils einer Radachsenaufhängung im Bereich der Enden der Längsachse der Unterseite mit zwei Vorderrädern und zwei Hinterrädern, die unabhängig voneinander in verschiedene Richtungen des Raumes beweglich sind auf der Oberseite oder der Unterseite im Bereich mindestens eines Endes der Längsachse der Oberseite oder der Unterseite mindestens eine erste Befestigungsplatte und bei der ersten Alternative eine direkt darauf oder bei der zweiten Alternative darüber deckungsgleich angeordnete zweite Befestigungsplatte mit mindestens vier Befestigungsschrauben und mindestens vier Befestigungsmuttern auf Dauer oder wieder ablösbar mittig befestigt, indem man die Befestigungsschrauben durch die in den Befestigungsplatten und sowie durch die von der Oberseite bis zur Unterseite des Skateboard-Bretts verlaufenden Durchbohrungen mit oder ohne Innengewinde führt und
2. (II) eine feststehende, vertikale oder in Fahrtrichtung nach vorne geneigte oder gebogene Haltevorrichtung mit einer am oberen Ende mittig angeordneten Querstange mit zwei endständig angeordneten Handgriffen auf der zweiten Befestigungsplatte dauerhaft oder wieder ablösbar befestigt oder bereits vor dem Aufbringen der zweiten Befestigungsplatte auf der ersten Befestigungsplatte auf der zweiten Befestigungsplatte befestigt hat.

Another advantage of the skateboard according to the invention is that it can be produced in a simple manner from a conventional and well-known skateboard by

1. (I) on a skateboard board having a top and a bottom and each having a wheel axle suspension in the region of the ends of the longitudinal axis of the underside with two front wheels and two rear wheels which are independently movable in different directions of the space on the top or bottom in the At least one end of the longitudinal axis of the top or bottom at least a first mounting plate and in the first alternative a directly attached thereto or the second alternative congruent arranged second mounting plate with at least four mounting screws and at least four fastening nuts permanently or again detachably centered by one carries the mounting screws through the in the mounting plates and through the running from the top to the bottom of the skateboard board through holes with or without internal thread and
2. (II) a fixed, vertical or forwardly inclined or curved holding device with a centrally located at the upper end crossbar with two terminally arranged handles on the second mounting plate permanently or removably attached or even before applying the second mounting plate on the first mounting plate has attached to the second mounting plate.

Preferably, the holding device and the crossbar are constructed of wood, metal, plastic, reinforced plastic and / or bonded from at least two of these materials.

It is understood that the features mentioned above and explained in more detail below can be used not only in the specified combinations and configurations, but also in other combinations and configurations or in isolation, without departing from the scope of the present invention.

list of figures

• 1 Draufsicht auf den vertikalen Längsschnitt durch ein erfindungsgemäßes Skateboard 1 und den vergrößerten Ausschnitt A;
• 2 Draufsicht auf den vergrößerten Ausschnitt B des vertikalen Längsschnitts durch das erfindungsgemäße Skateboard 1;
• 3 Draufsicht auf das erfindungsgemäße Skateboard 1 von oben;
• 4 Draufsicht auf das erfindungsgemäße Skateboard 1 von vorne;
• 5 Draufsicht auf den vertikalen Längsschnitt durch einen Ausschnitt des Skateboard-Bretts 2 mit einer in das Skateboard-Brett 2 eingebetteten Befestigungsplatte 3;
• 6 Draufsicht auf den vertikalen Längsschnitt durch einen Ausschnitt des Skateboard-Bretts 2 mit einer auf der Unterseite 2Us befestigten Befestigungsplatte 3.

The invention will now be explained in more detail with reference to FIGS 1 to 6. It shows in simplified, not to scale representation:

• 1 Top view of the vertical longitudinal section through an inventive skateboard 1 and the enlarged section A;
• 2 Top view of the enlarged section B of the vertical longitudinal section through the skateboard 1 according to the invention;
• 3 Top view of the inventive skateboard 1 from above;
• 4 Top view of the skateboard 1 according to the invention from the front;
• 5 Top view of the vertical longitudinal section through a section of the skateboard board 2 with an embedded in the skateboard board 2 mounting plate 3;
• 6 Top view of the vertical longitudinal section through a section of the skateboard board 2 with a mounted on the bottom 2Us mounting plate. 3

LIST OF REFERENCE NUMBERS

1

Inventive skateboard for training purposes

2

Skate Board

2os

Top of Skateboard Board 2

2us

Bottom of Skateboard Board 2

2.1

wheel axle suspension

2.1V

front axle suspension

2.1h

rear axle suspensions

2.2V

front

2.2h

rear wheel

2.3

Wheel mounting

2.4v

front wheel axle

2.4h

rear wheel axle

3

first mounting plate

3.1

fixing screw

3.1.1

screw head

3.1.2

screw thread

3.1.3

complementary internal thread

3.1.4

washer

3.1.5

fixing nut

4

fixed holding device

4.1

second mounting plate

4.2

Weld

4.3

pipe

4.4

Locking device

4.5

height-adjustable tube

4.6

adjustable crossbar

4.6.1

handles

4.6.2

Locking device

5

deepening

5.1

horizontal ground

A

enlarged section of the vertical longitudinal section through the skateboard 1

B

enlarged section of the vertical longitudinal section through the skateboard. 1

Detailed description of the figures

characters 1 to 4

A standard and well-known, 70 cm long pintail skateboard 1 bamboo VLAM with a skateboard board 2 with a top 2os and a bottom 2us was at its bottom 2us with two wheel axle suspensions 2.1 as in the American design patent, for example US Pat. No. 764,001 p in conjunction with the American patent application US 2015/0130156 A1 described, equipped. At the front wheel axle suspension 2.1V were two front wheels 2.2V by means of a wheel attachment 2.3 attached to the rotatable axle 2.4. In the same way was at the rear wheel axle suspension 2.1h two rear wheels 2.2h by means of a wheel attachment 2.3 on the rotatable wheel axle 2.4h attached (see also 3 and 4 ).

The skateboard board 2 was pierced four times each in its anterior region and in its posterior region. The holes were each arranged in the four corners of an imaginary rectangle. The imaginary rectangle was centered and with its long sides parallel to the longitudinal axis of the skateboard board 2 aligned. The imaginary rectangle each had a length of 8 cm and a width of 4 cm.

On the rear imaginary rectangle became a first mounting plate 3 with a length of 10 cm and a width of 6 cm and with a rounded front edge (cf. 3 ) with four fixing screws 3.1 with countersunk screw heads 3.1.1 and a screw thread 3.1.2 attached. The punctures except those through the skateboard board 2 had complementary internal threads 3.1.3 on. The fixing screws 3.1 were at the bottom 2us with hex nuts 3.1.5 with washers 3.1.4 were underlaid, again removably attached.

By using the countersunk screws 3.1 . 3.1.1 the danger of injuring screw heads was avoided.

On the front imaginary rectangle was also a first mounting plate 3 with a length of 10 cm, a width of 4 cm, four holes and a rounded front edge (cf. 3 ) and congruent a second mounting plate 4.1 the same dimensions with four holes drilled and four fixing screws 3.1 with countersunk screw heads 3.1.1 and a screw thread 3.1.2 attached. The punctures except those through the skateboard board 2 had complementary internal threads 3.1.3 on. The fixing screws 3.1 were at the bottom 2us with hex nuts 3.1.5 with washers 3.1.4 were underlaid, again removably attached.

On top of the second mounting plate 4.1 was centered with respect to its longitudinal axis and slightly forward in the direction of travel (cf. 2 and 3 ) a holding device 4 welded on (cf. 2 . 4 .2). The fixture consisted of a vertical, 4 cm diameter and 80 cm long steel tube 4.3 with a wall thickness of 2 mm. In the tube 4.3 was a 80 cm long, 3.6 cm diameter steel tube 4.5 inserted. The steel pipe 4.5 had a 60 cm long, vertical piece of pipe and a 20 cm long, slightly against the direction of travel bent pipe piece. At its end was a 80 cm long, 4 cm diameter crossbar 4.6 centered with a welded to the pipe end, adjustable, the crossbar 4.6 encompassing locking device, as known from bicycle handlebars attached. At the ends of the crossbar 4.6 were ergonomically shaped handles 4.6.1 arranged.

The bent steel pipe 4.5 was in the steel pipe 4.3 moved so that the desired height for the fixture 4 was set. Thereafter, the bent steel tube was 4.5 with a clamp 4.4 fixed.

The 3 shows a plan view from above of the skateboard according to the invention 1 (in this case, the schematic representation of a Dropthrough skateboard) with the skateboard board 2 . 2os , the rotatable and pivoting rear axle 2.4h with the wheel fastenings 2.3 attached rear wheels 2.2h , the first mounting plate 3 with the fixing screws 3.1 , the rotatable and swiveling front axle 2.4v with the wheel fastenings 2.3 attached front wheels 2.2V , the second mounting plate 4.1 with the fixing screws 3.1 , the rearwardly bent piece of pipe 4.5 , the locking device 4.4 for the crossbar 4.6 with the ergonomically shaped handles 4.6.1 ,

The 4 shows the front view of the skateboard according to the invention 1 with the skateboard board 2 . 2os . 2us , the wheel axle suspension 2.1V , the rotatable and swiveling front axle 2.4v with the wheel fastenings 2.3 attached front wheels 2.2V , the first mounting plate 3 , the second mounting plate 4.1 , with the weld 4.2 fastened vertical steel pipe 4.3 , the locking device 4.4 , the inserted and fixed bent pipe section 4.5 , the locking device 4.6.2 for the slightly bent upwards crossbar in the end area 4.6 with the ergonomically shaped handles 4.6.1 ,

FIG. 5

The first mounting plate 3 was in the top 2os of the skateboard board 2 embedded. To avoid mechanical vulnerabilities, the skateboard board pointed 2 in this area a greater thickness. The first mounting plate 3 was with a total of four mounting screws 3.1 with round heads 3.1.1 , Screw threads 3.1.2 , complementary internal threads 3.1.3 and with a total of four cap nuts 3.1.5 on the bottom 2us attached removable again. The punctures in the skateboard board 2 had no complementary internal thread 3.1.3 on. The peculiarity of this embodiment was that the four cap nuts 3.1.5 in a quadrangular depression 5 with a flat, horizontal bottom 5.1 were arranged so that they did not leave the recess 5 stood out. The advantage of this embodiment was that the first mounting plate 3 was sunk, so the risk that a foot stuck to her, if there is no holding device 4 ) was reduced.

FIG. 6

The second mounting plate 4.1 on which a vertical holding device 4 had been welded (see weld 4.2 ), was on the surface 2os of the skateboard board 2 placed. There were four (in longitudinal section are two to see) mounting screws 3.1 with a flat screw head 3.1.1 and a screw thread.1.2 through the four through holes with complementary internal threads 3.1.3 screwed through by the top 2os to the bottom 2us reaching through bores without internal thread 3.1.1, through the four through holes with complementary internal threads 3.1.3 the first mounting plate 3 screwed and with hex nuts 3.1.5 fixed. The mounting plate 3 was an integral part of the wheel axle suspension 2.1 - here the front axle suspension 2.1V , This embodiment was particularly stable against shear forces.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• US Pat. No. D629859 S [0005]
• US Pat. No. D556283 S [0005]
• US 8550480 B1 [0005]
• US 2017/0007910 A1 [0005]
• US 2015/0130156 A1 [0005, 0011, 0036]
• US Pat. No. D764001 S [0005, 0036]
• US Pat. No. D757873 S [0005]
• US 2016/583 A1 [0006]

Claims (10)

Skateboard (1) comprising - a skateboard board (2) with a top (2Os) and a bottom (2Us), - each one Radachsenaufhängung (2.1) in the region of the ends of the longitudinal axis of the underside (2Us) with two front wheels (2.2v) and two rear wheels (2.2h), which are independently movable in different directions of space, - At least one in the region of at least one end of the longitudinal axis of the top (2Os) centrally arranged first mounting plate (3) and a congruently arranged second mounting plate (4.1), wherein in each mounting plate (3, 4.1) and from the top (2Os) to to the underside (2Us) of the skateboard board (2) there are at least four through holes with or without an internal thread (3.1.3) with a common longitudinal axis into each of which a fixing screw (3.1, 3.1.1) with complementary screw thread (3.1. 2) and secured with a fixing nut (3.1.5) permanently or detachably, or alternatively at least one first fastening plate (3) arranged centrally in the region of at least one end of the underside (2Us), which is present as a single part or forms part of the wheel axle suspensions (2.1), and one on the upper side (20s) above the first fastening plate (3 ) arranged second mounting plate (4.1), wherein in each mounting plate (3, 4.1) and from the top (2Os) to the bottom (2Us) at least four through holes with or without an internal thread (3.1.3) are provided with a common longitudinal axis, in each of which a fixing screw (3.1, 3.1.1) is screwed with complementary screw thread (3.1.2) and secured with a fastening nut (3.1.5) permanently or detachably, and - One on the second mounting plate (4.1) permanently or detachably fastened, fixed, vertical or in the direction of forwardly inclined or curved holding device (4) with a centrally located at the top cross bar (4.6) with two terminally arranged handles (4.6.1 ). Skateboard (1) after Claim 1 , characterized in that - in each region of the two ends of the longitudinal axis of the upper side (2Os) each have a centrally disposed first mounting plate (3) for a congruently arranged second mounting plate (4.1) are mounted, or alternatively - in each area of the two ends the longitudinal axis of the underside (2Us) are each a centrally arranged first mounting plate (3) for a above on the top (2OS) congruent arranged second mounting plate (4.1) are mounted, so there are always two places for attaching the holding device (4) in both alternatives are. Skateboard (1) after Claim 1 or 2 , characterized in that the vertical or in the direction of travel forward inclined or curved holding device (4) is rigid, height-adjustable, angle-adjustable and / or foldable. Skateboard (1) after one of Claims 1 to 3 , characterized in that the vertical or in the direction of travel forward inclined or curved holding device (4) to the second mounting plate (4.1) welded, screwed or infected. Skateboard (1) after one of Claims 1 to 4 , characterized in that the vertical or in the direction of forwardly inclined or curved holding device (4) - a rigid, straight or curved tube, - at least two superimposed, straight or curved tubes (4.3) and (4.5) or - at least two into one another pushed, straight tubes (4.3) and (4.5). Skateboard (1) after one of Claims 1 to 5 , characterized in that - the vertical or in the direction of travel forward inclined or curved holding device (4) with the at least two nested straight tubes (4.3) and (4.5) at least one locking device (4.4) for fixing a selected height position and - the vertical or in the direction of travel forward inclined or curved holding device (4) with the at least two superposed, straight or curved tubes (4.3) and (4.5) at least one joint, a folding device and / or a folding device. Skateboard (1) after one of Claims 1 to 6 , characterized in that the crossbar (4.6) has the form of a fixed or adjustable, straight or curved bicycle handlebar. Skateboard (1) after one of Claims 1 to 7 , characterized in that the holding device (4) and the crossbar (4.6) made of wood, metal, plastic, reinforced plastic and / or bonded from at least two of these materials is constructed. Method for producing a skateboard (1) according to one of the Claims 1 to 8th , characterized in that (I) on a skateboard board (2) having a top (2Os) and a bottom (2Us) and each of a Radachsenaufhängung (2.1) in the region of the ends of the longitudinal axis of the underside (2Us) with two front wheels (2.2v) and two rear wheels (2.2h), which are independent of each other in different Directions of the space are movable, on the top (2Os) or the bottom (2Us) in the region of at least one end of the longitudinal axis of the top (2Os) or the bottom (2Us) at least a first mounting plate (3) and in the first alternative, a direct on it or in the second alternative congruent arranged second mounting plate (4.1) with at least four mounting screws (3.1) and at least four fastening nuts (3.1.5) permanently or removably fastened centered by the fixing screws (3.1) by the in the mounting plates (3) and (4.1) as well as through the bores with or without internal thread (3.1.3) running from the top (2Os) to the bottom (2Us) of the skateboard board (2), and (II) a fixed, vertical or in the direction of travel forward inclined or curved holding device (4) having a centrally disposed at the upper end crossbar (4.6) with two terminally arranged handle fen (4.6.1) permanently or removably attached to the second mounting plate (4.1) or already attached to the first mounting plate (3) on the second mounting plate (4.1) before applying the second mounting plate (4.1). Use of the skateboard (1) according to one of Claims 1 to 8th or according to Claim 9 manufactured skateboards (1) as a training device.

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