EP3437704B1 - Roller skate with boxframe - Google Patents
Roller skate with boxframe Download PDFInfo
- Publication number
- EP3437704B1 EP3437704B1 EP18186587.4A EP18186587A EP3437704B1 EP 3437704 B1 EP3437704 B1 EP 3437704B1 EP 18186587 A EP18186587 A EP 18186587A EP 3437704 B1 EP3437704 B1 EP 3437704B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- brake
- roller skate
- box frame
- lever
- brake lever
- 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.)
- Active
Links
- 230000033001 locomotion Effects 0.000 claims description 26
- 244000309466 calf Species 0.000 claims description 24
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
- A63C17/045—Roller skis
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
- A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type
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- 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
- A63C17/14—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches
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- 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
- A63C17/14—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches
- A63C17/1409—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches contacting one or more of the wheels
- A63C17/1427—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches contacting one or more of the wheels the brake contacting other wheel associated surfaces, e.g. hubs, brake discs or wheel flanks
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- 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
- A63C17/14—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches
- A63C17/1454—Freewheel roller clutches
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- 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
- A63C17/14—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches
- A63C2017/1481—Leg or ankle operated
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- 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 a roller skate.
- the invention relates in particular to a roller skate which has a front wheel in front of a step surface and a rear wheel behind a step surface, as well as a braking system, in the direction of movement.
- a roller skate is known, e.g. B. from the EP 0 486 013 A1 .
- the roller skate is used z. B. for summer training for biathletes or Nordic skating, where sticks are used in addition to roller skates.
- the WO 2015/110167 A1 , the DE 199 16 588 A1 , the DE 202 06 709 U1 and the US 2009/134589 A1 show roller skates or roller skis with braking systems.
- roller skates are not suitable for all terrain, they only work on level ground. This is also due to the lack of rigidity of the known constructions. If there are brakes in known roller skates, they only function to a very limited extent in the field. There is therefore the task of proposing a roller skate that can also be used reliably on uneven terrain. The object is achieved with a roller skate according to claim 1.
- the roller skate according to the invention has a step surface, a front wheel which is arranged in the direction of movement in front of the step surface, and a rear wheel which is arranged in the direction of movement behind the step surface, and is characterized in that the step surface is the top of a box frame.
- the roller skate has a brake system, the brake system according to an embodiment according to the invention having at least one, advantageously two hydraulic disc brakes per roller skate, the brake cylinder of which is received in the interior of the box frame, the brake cylinder engaging a brake lever attached to the side of the box frame stands, and wherein the brake lever is adjustable parallel and transverse to the direction of movement of the roller skate.
- the box frame preferably has a top and a bottom side as well as side walls.
- the height of the side walls determines the height of the box frame.
- the top serves as a one-piece, rigid tread on which the driver's foot rests.
- the width of the step surface is preferably as wide as a foot. It is further preferred if the step surface or the box frame is no longer than a foot's length. In this way it is possible to build a compact roller skate that can be controlled by simple movements of the rider, e.g. B. a curve is initiated by turning the foot.
- forks are formed that hold the axles of the front and rear wheels.
- the step surface is advantageously arranged below the hub of the wheels.
- the top and bottom and the side walls are designed as closed surfaces. But it is also possible to make the top and bottom and the side walls partially permeable, for. B. made of expanded metal or a sheet metal which is provided with recesses.
- the box frame is preferably made of metal, e.g. B. made of stainless steel or aluminum.
- the side walls are preferably 1 cm to 5 cm high, so that the top and bottom are arranged at a distance of 1 cm to 5 cm.
- the top and bottom are advantageously arranged parallel to one another.
- the box frame can also have a front and / or rear wall, so that the box frame is designed as a largely or completely closed housing.
- a closed housing of the box frame contributes to the stability of the roller skate, especially when the roller skate is used on uneven terrain.
- a side or wall of the box frame can be opened if necessary in order to make the interior of the box frame accessible.
- the brake system provides that at least one hydraulic disc brake is provided per roller skate (front wheel and rear wheel), which is preferably arranged on the rear wheel.
- Two disc brakes are advantageously provided, one of which is arranged on the rear wheel and one on the front wheel and which are each arranged on one side of a wheel.
- the disc brake or the brake calipers of the disc brake are connected to a brake cylinder via a hydraulic line.
- the brake cylinder is arranged in the interior of the box frame. This arrangement is particularly advantageous because the sensitive brake cylinder in the interior of the box frame is very well protected from damage and contamination.
- the or, in the case of two disc brakes, optionally also the brake cylinder is or are operated by means of a brake lever which is attached to the side of the box frame.
- the brake lever extends upward from a first end on a side wall of the box frame to a second end.
- the brake lever advantageously extends to the calf below the knee.
- the brake lever is pivotable; it is advantageously mounted on the box frame via a shaft that penetrates the side walls of the box frame. According to a further preferred embodiment, the shaft is mounted in a bush.
- the brake lever actuates the brake cylinder or cylinders by pushing the brake lever backwards or downwards by the driver.
- the brake lever stabilizes the driver vertically in relation to the roller skate because not only is the shoe secured to the roller skate, as will be explained in more detail below, but also because the calf lever provides a second fastening point at a distance from the roller skate.
- a particularly simple and effective embodiment of the brake system provides that a means for actuating the brake is provided between the brake lever and the brake cylinder.
- the means for operating the brake can be arranged as a pivotable angle on the box frame, the z. B. is pivotable about an axis which runs parallel to the direction of travel.
- One arm of the bracket extends horizontally over the side wall of the box frame to under the brake lever. During the braking process, this horizontal arm of the angle is pressed downwards.
- This process is simplified in particular if a pusher is attached to the brake lever that presses on the horizontal arm of the bracket. According to a further preferred embodiment, this pusher can be adjusted so that the braking point can be adjusted exactly.
- a vertical arm of the bracket extends within the box frame, which does not have a completely closed cross-section, at least at the point where the bracket is attached.
- the vertical arm of the bracket is moved sideways into and up the box frame during braking.
- the vertical arm of the bracket actuates the brake cylinder, usually the piston of the brake cylinder.
- Pressure is built up in the hydraulic brake so that the brake calliper rests against the brake disc and the wheel is braked.
- the pressure in the hydraulic brake can, for. B. 150 bar and more. If several brake cylinders are to be actuated, the vertical arm of the bracket is designed to be correspondingly long or it has several sections which each come into engagement with one or two brake cylinders.
- the means for actuating the brake can also be designed as a displaceable pin pretensioned by a spring, which outside of the box frame has an upper side beveled towards its underside.
- the brake lever When the brake lever is actuated, the pusher in engagement with the bevelled upper side of the pin generates a movement of the pin in the direction of the brake cylinder and pressure is built up in the brake, which leads to a braking of the wheel.
- a completely closed box frame can be used with this design.
- safe braking is also easily possible from speeds of 30 km / h to 40 km / h.
- the brake lever is actuated by the driver's calf and must be optimally adjusted to the driver for this purpose, in terms of height, length and centered on the driver's calf in relation to the box frame.
- the brake lever advantageously has a joint, whereby the brake lever is divided into a lower and an upper lever. Through the joint, the inclination of the upper and lower brake levers can be individually adjusted to the user, so that the brake lever can be aligned parallel to the direction of movement closer to the front wheel or to the rear wheel.
- the upper and lower levers are fixed in their inclination to one another, e.g. B. by a screw that fixes the two levers or by a quick release lever.
- the first end of the brake lever is connected to the shorter lower lever and the second, upper lever extends from the joint to the second end of the brake lever.
- the brake lever preferably has a length and thus a height adjustment, in particular a telescopic rod which, with respect to the brake lever, is displaceable and is arranged with means for locking the telescopic rod on the brake lever.
- the telescopic rod is z. B. fixed by a clamp, a screw or a quick release lever on the brake lever.
- an extension arm is advantageously attached, which preferably extends up to at least half the width, in particular over the full width of the step surface.
- a support for the calf is attached, which is adjustable according to an advantageous embodiment, for. B. by a locking device such as a quick release lever attached to the boom.
- the support for the calf is adjustable both in terms of the distance from the brake lever, that is, transversely to the direction of movement or to the step surface, and in terms of inclination and can therefore be individually adapted to the driver. It has been found that the fastest and most immediate braking reaction results from an unconstrained automatic movement of the driver who operates the brake lever with his calf.
- a front wheel and a rear wheel with a diameter of at least 300 mm are used, advantageously up to 400 mm, in particular from 300 mm to 350 mm, in order to be able to ride the roller skate as safely and quickly as possible even on uneven terrain.
- the size of the wheels in conjunction with the brake system according to the invention ensures safe driving both on flat stretches and on uneven terrain. This is the roller skate, so the single-track device for rolling locomotion, separated from other z.
- roller skates or skaters that have three or four wheels under the tread. Air-filled tires are preferred.
- the wheels are attached to the forks via axles, which are arranged on the box frame. The wheels are designed to run straight ahead, steering by changing the direction of travel of one wheel relative to the other wheel is not provided.
- a backstop can be attached to one or both wheel axles his.
- a backstop is z. B. known for bicycles with coaster brakes and can be easily installed in the wheels or hubs of the roller skate according to the invention. This further improves the cross-country mobility of the roller skate according to the invention, because larger gradients can be better managed even in narrow terrain.
- the roller skate can either have a shoe firmly connected to the roller skate or a binding for any type of shoe.
- the roller skate has a binding, in particular a standard binding such as. B. an SNS binding, optionally supplemented by a further fastening of the shoe in the area of the instep by means of a toothed belt for additional securing of the shoe.
- the further fastening can be designed as a toothed belt, as a Velcro fastener, as a fixed, elastic belt or as a clasp. This additional fastening ensures that the shoe is guided precisely when the shoe moves up and down in relation to the tread surface.
- roller skate Due to the construction of the roller skate with a brake arranged in the box frame and with a lateral calf lever, it is possible to use the roller skate according to the invention, especially if an additional fastening of the shoe is provided, with a parallel cross-country step in which the driver's heel regularly moves stands out from the tread. No known roller skate offers this possibility.
- the roller skate 1 a single-track device for rolling locomotion, knows how in Fig. 1 can be seen, a step surface 2, a front wheel 3, a rear wheel 4 and a brake system 5.
- the front wheel 3 is attached in the direction of movement indicated by the arrow "B" in front of the step surface, the rear wheel 4 is attached behind the step surface 2.
- the wheels 3, 4 are attached to forks 6 which extend upwards from the tread 2, because the tread 2 is lower than the axes 7 of the wheels 3, 4.
- the tread 2 has a width and a length that corresponds to the width and length of a shoe.
- the roller skate 1 is made of aluminum, alternatively of stainless steel.
- the wheels have a diameter of 304.8 mm; the tires are inflated.
- the step surface 2 of the roller skate 1 is the top of a box frame 8, which also has an underside 9 and side walls 10 that hold the top or step surface 2 and the bottom 9 at a distance of about 1 cm to 5 cm from each other.
- the box frame 8 is designed largely closed.
- front and rear walls can be used, which further close the box frame 8 from the environment.
- the step surface 2 or the underside 9 or a side wall 10 can be designed to be closable, so that an interior of the box frame 8 becomes accessible by opening the step surface 2, the underside or the side wall 10.
- the roller skate 1 has a brake system 5 which comprises brakes 11 and a brake lever 12.
- the brakes 11 are designed as disc brakes which are each arranged on one side on a wheel 3, 4 and which are actuated by means of brake cylinders, as will be explained in more detail below.
- the brake lever 12 is arranged to the side of the box frame 8.
- Fig. 2 and Fig. 3 show details of the brake lever 12.
- the brake lever 12 is pivotably attached to the roller skate 1 via a shaft 13 which passes through the side walls 10 of the box frame 8, e.g. B. by a split pin.
- the shaft 13 is guided in a bushing (not shown here).
- the brake lever 12 has a joint 14 which connects a first, lower lever 15 and a second, upper lever 16.
- the first, lower lever 15 extends from the shaft 13 to the joint 14 and the second, upper lever 16 extends from the joint 14 to an upper end 17 of the brake lever 12.
- the two levers 15, 16 can be set at an angle to one another which is individually adjusted to the driver of the roller skate, in particular the upper end 17 of the brake lever 12 is adjusted parallel to the direction of movement B to a desired position between front wheel 3 and rear wheel 4.
- the joint 14 is fixed, e.g. B. by tightening a screw or a quick release fastener.
- the second, upper lever 16 has a telescopic rod 18 which enables the length of the brake lever 12 to be adjusted.
- the telescopic rod 18 is also fixed after the individual setting, e.g. B. by a clamp or a quick release fastener.
- a bracket 19 is attached to the upper end 17 of the brake lever 12 and extends transversely to the direction of movement B over at least half the width of the step surface 2.
- a calf buckle 20 for the calf of the driver of the roller skate is attached to this extension arm 19.
- the calf buckle 20 is preferably made of plastic or aluminum and is shell-shaped, so that the calf is securely received in the calf buckle.
- the calf buckle 20 can be moved transversely to the direction of movement B on the boom 19.
- the inclination of the calf buckle 20 automatically adapts to the running movement of the calf while running, e.g. B.
- the brake lever 12 can therefore be individually adapted to the driver in three dimensions.
- the calf buckle 20 further comprises a fastening means 31, e.g. B. a toothed belt, a Velcro or a latch. In this way, the calf buckle 20 is fixed firmly to the driver's calf.
- the vertical stabilization of the roller skate by fastening the brake lever 12 to the rider's calf also helps prevent damage to the brake lever 12 and / or the box frame 8.
- Fig. 4 and Fig. 5 show the brake system 5 and the interaction of the various parts of brake 11 and brake lever 12.
- the trigger actuates means for actuation the brake related to Fig. 5 are explained in more detail.
- the means for actuating the brake act on the brake cylinder 23, which is arranged in the interior 24 of the box frame 8.
- the brake line (not shown here) from the brake cylinder 23 to the brake 11 can also be routed in the interior of the box frame 8 or the forks 6.
- the brake cylinder 23 and the brake line are well secured against contamination and damage in the interior of the box frame 8. As a result, driving on uneven or unpaved terrain is easily possible.
- the brake cylinder 23 is arranged in the interior 24 of the box frame 8 and fixed between the top or step surface 2 and bottom 9, for. B. by soldering, clamping or gluing.
- the brake cylinder is preferably screwed; this proves to be particularly helpful for repairs or replacements.
- the brake cylinder 23 has a piston 25 which is tensioned against a spring 26. During the braking process, the spring 26 is tensioned; without actuation of the brake 11, the spring 26 is relaxed.
- Means for actuating the brake 11 are arranged between the trigger 22 on the brake lever 12 and the piston 25. These actuating means are designed as angles 27. The angle 27 extends with a horizontal arm 28 parallel to the tread 2 over the box frame 8 to below the handle 22.
- the angle 27 extends with a vertical arm 29 in the interior 24 of the box frame parallel to the side wall 10.
- the piston 25 rests the vertical arm 29.
- the angle 27 is pivotable about a shaft 30 which is arranged at the apex of the arms 29, 30 and which runs parallel to the direction of movement B of the roller skate 1.
- the trigger 22 When the brake lever is actuated, the trigger 22 is pressed down.
- the pusher 22 then pivots the horizontal arm 28 of the bracket 27 with a vertically downwardly directed and lateral movement component directed towards the box frame 8 downwards and towards the box frame.
- the vertical arm 29 of the bracket 27 is deflected with a lateral and vertical component of movement laterally in the direction of the piston 25 of the brake cylinder 23 movement and is pivoted upwards with a vertical component of movement.
- the piston 25 is moved into the brake cylinder 23 and increases the hydraulic pressure in the brake. This applies the disc brake on the rear wheel or on the front and rear wheels operated and the roller skate 1 brakes.
- At least one brake cylinder 23 is arranged in the interior 24 of the box frame 8 and operates all of the disc brakes 11 of the front and rear wheels 3, 4.
- several brake cylinders 23 can also be arranged, each of which can be actuated by a vertical arm 29 of the bracket 27.
- the roller skate according to the invention according to claim 1 generally also has a binding in order to be able to fix the driver's shoe on the roller skate.
- a binding in order to be able to fix the driver's shoe on the roller skate.
- this is a standard bond, which in itself z. B. is also used for skis such as an SNS binding.
- a binding can advantageously be supplemented by a further fastening means 31, e.g. B. a Velcro tape, a toothed belt or a clasp, which additionally secures the driver's shoe and fixes it on the step surface.
- a further fastening means 31 e.g. B. a Velcro tape, a toothed belt or a clasp, which additionally secures the driver's shoe and fixes it on the step surface.
- the additional fastening means thus enables all types of steps to be performed that can also be implemented with a cross-country ski.
- a roller skate 1 according to the invention which is equipped with an additional fastening means fixed to the box frame 8, also enables prone shooting in the summer biathlon.
- ⁇ b> List of reference symbols ⁇ /b> 1 Roller skate 30th wave 2 Tread B.
- Front wheel 31 Fasteners of the 4th Rear wheel Calf buckle 5 Braking system 6th Forks 7th axes 8th Box frame 9 bottom 10 side walls 11 brake 12 Brake lever 13 wave 14th joint 15th first, lower lever 16 second, upper lever 17th upper end of the brake lever 18th Telescopic pole 19th boom 20th Calf buckle 21st Quick release fastener 22nd Pusher 23 Brake cylinder 24 Interior of the box frame 25th piston 26th feather 27 angle 28 horizontal arm 29 vertical arm
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- Tires In General (AREA)
Description
Die Erfindung betrifft einen Rollschuh.The invention relates to a roller skate.
Die Erfindung betrifft insbesondere einen Rollschuh, der in Bewegungsrichtung ein Vorderrad vor einer Trittfläche und ein Hinterrad hinter einer Trittfläche sowie eine Bremsanlage aufweist. Solch ein Rollschuh ist bekannt, z. B. aus der
Bekannte Rollschuhe sind jedoch nicht geländegängig, sie funktionieren nur auf ebenem Untergrund. Dies liegt auch an der mangelnden Steifigkeit der bekannten Konstruktionen. Soweit Bremsen bei bekannten Rollschuhen vorhanden sind, funktionieren diese im Gelände nur sehr eingeschränkt. Es besteht daher die Aufgabe, einen Rollschuh vorzuschlagen, der auch in unebenem Terrain zuverlässig nutzbar ist. Die Aufgabe wird gelöst mit einem Rollschuh nach Anspruch 1.Known roller skates, however, are not suitable for all terrain, they only work on level ground. This is also due to the lack of rigidity of the known constructions. If there are brakes in known roller skates, they only function to a very limited extent in the field. There is therefore the task of proposing a roller skate that can also be used reliably on uneven terrain. The object is achieved with a roller skate according to claim 1.
Der erfindungsgemäße Rollschuh weist eine Trittfläche, ein Vorderrad, das in Bewegungsrichtung vor der Trittfläche angeordnet ist, und ein Hinterrad auf, das in Bewegungsrichtung hinter der Trittfläche angeordnet ist, und ist dadurch gekennzeichnet, dass die Trittfläche die Oberseite eines Kastenrahmens ist. Es ist erfindungsgemäß, dass der Rollschuh eine Bremsanlage aufweist, wobei die Bremsanlage nach einer erfindungsgemäßen Ausführung mindestens eine, vorteilhaft zwei hydraulische Scheibenbremsen pro Rollschuh aufweist, deren Bremszylinder im Innenraum des Kastenrahmens aufgenommen ist, wobei der Bremszylinder mit einem seitlich am Kastenrahmen angebrachten Bremshebel im Eingriff steht, und wobei der Bremshebel parallel und quer zur Bewegungsrichtung des Rollschuhs einstellbar ist.The roller skate according to the invention has a step surface, a front wheel which is arranged in the direction of movement in front of the step surface, and a rear wheel which is arranged in the direction of movement behind the step surface, and is characterized in that the step surface is the top of a box frame. It is according to the invention that the roller skate has a brake system, the brake system according to an embodiment according to the invention having at least one, advantageously two hydraulic disc brakes per roller skate, the brake cylinder of which is received in the interior of the box frame, the brake cylinder engaging a brake lever attached to the side of the box frame stands, and wherein the brake lever is adjustable parallel and transverse to the direction of movement of the roller skate.
In bevorzugter Weise weist der Kastenrahmen eine Ober- und eine Unterseite sowie Seitenwände auf. Die Höhe der Seitenwände legt die Höhe des Kastenrahmens fest. Die Oberseite dient als einteilige, starre Trittfläche, auf der der Fuß des Fahrers ruht. Entsprechend ist die Breite der Trittfläche bevorzugt so breit wie ein Fuß. Es wird weiter bevorzugt, wenn die Trittfläche bzw. der Kastenrahmen nicht länger ist als eine Fußlänge. Auf diese Weise ist es möglich, einen kompakten Rollschuh zu bauen, der durch einfache Bewegungen des Fahrers gesteuert werden kann, z. B. wird durch Drehen des Fußes eine Kurve eingeleitet. Am vorderen und am hinteren Ende des Kastenrahmens sind jeweils Gabeln ausgeformt, die die Achsen des Vorder- bzw. Hinterrades halten. Die Trittfläche ist vorteilhaft unterhalb der Nabe der Räder angeordnet.The box frame preferably has a top and a bottom side as well as side walls. The height of the side walls determines the height of the box frame. The top serves as a one-piece, rigid tread on which the driver's foot rests. Accordingly, the width of the step surface is preferably as wide as a foot. It is further preferred if the step surface or the box frame is no longer than a foot's length. In this way it is possible to build a compact roller skate that can be controlled by simple movements of the rider, e.g. B. a curve is initiated by turning the foot. At the front and rear of the box frame, forks are formed that hold the axles of the front and rear wheels. The step surface is advantageously arranged below the hub of the wheels.
Nach einer vorteilhaften Ausführung sind die Ober- und Unterseite sowie die Seitenwände als geschlossene Flächen ausgebildet. Es ist aber auch möglich, die Ober- und Unterseite sowie die Seitenwände abschnittsweise durchlässig zu gestalten, z. B. aus Streckmetall oder aus einem Blech, das mit Ausnehmungen versehen ist. Der Kastenrahmen ist vorzugsweise aus Metall gefertigt, z. B. aus Edelstahl oder aus Aluminium. Die Seitenwände sind bevorzugt 1 cm bis 5 cm hoch, so dass Ober- und Unterseite in einem Abstand von 1 cm bis 5 cm angeordnet sind. Vorteilhaft sind Ober- und Unterseite parallel zueinander angeordnet. Nach einer weiter bevorzugten Ausführung kann der Kastenrahmen auch eine Vorder- und/oder Rückwand aufweisen, so dass der Kastenrahmen als weitgehend bzw. vollständig geschlossenes Gehäuse ausgebildet ist. Ein geschlossenes Gehäuse des Kastenrahmens trägt zur Stabilität des Rollschuhs bei, gerade wenn der Rollschuh in unebenem Gelände eingesetzt wird. Nach einer vorteilhaften Ausführung kann eine Seite oder Wand des Kastenrahmens bei Bedarf geöffnet werden, um den Innenraum des Kastenrahmens zugänglich zu machen.According to an advantageous embodiment, the top and bottom and the side walls are designed as closed surfaces. But it is also possible to make the top and bottom and the side walls partially permeable, for. B. made of expanded metal or a sheet metal which is provided with recesses. The box frame is preferably made of metal, e.g. B. made of stainless steel or aluminum. The side walls are preferably 1 cm to 5 cm high, so that the top and bottom are arranged at a distance of 1 cm to 5 cm. The top and bottom are advantageously arranged parallel to one another. According to a further preferred embodiment, the box frame can also have a front and / or rear wall, so that the box frame is designed as a largely or completely closed housing. A closed housing of the box frame contributes to the stability of the roller skate, especially when the roller skate is used on uneven terrain. According to an advantageous embodiment, a side or wall of the box frame can be opened if necessary in order to make the interior of the box frame accessible.
Die Bremsanlage sieht vor, dass mindestens eine hydraulische Scheibenbremse pro Rollschuh (Vorderrad und Hinterrad) vorgesehen ist, die bevorzugt am Hinterrad angeordnet ist. Vorteilhaft sind zwei Scheibenbremsen vorgesehen, von denen eine am Hinterrad und eine am Vorderrad angeordnet ist und die jeweils auf einer Seite eines Rades angeordnet sind. Die Scheibenbremse bzw. die Bremssättel der Scheibenbremse stehen über eine hydraulische Leitung mit einem Bremszylinder in Verbindung. Der Bremszylinder ist im Innenraum des Kastenrahmens angeordnet. Diese Anordnung ist besonders vorteilhaft, denn der empfindliche Bremszylinder ist im Innenraum des Kastenrahmens sehr gut vor Beschädigung und Verschmutzung geschützt.The brake system provides that at least one hydraulic disc brake is provided per roller skate (front wheel and rear wheel), which is preferably arranged on the rear wheel. Two disc brakes are advantageously provided, one of which is arranged on the rear wheel and one on the front wheel and which are each arranged on one side of a wheel. The disc brake or the brake calipers of the disc brake are connected to a brake cylinder via a hydraulic line. The brake cylinder is arranged in the interior of the box frame. This arrangement is particularly advantageous because the sensitive brake cylinder in the interior of the box frame is very well protected from damage and contamination.
Der oder im Falle von zwei Scheibenbremsen optional auch die Bremszylinder wird bzw. werden mittels eines Bremshebels betätigt, der seitlich am Kastenrahmen angebracht ist. Der Bremshebel erstreckt sich von einem ersten Ende an einer Seitenwand des Kastenrahmens nach oben zu einem zweiten Ende. Der Bremshebel reicht vorteilhaft bis zur Wade unterhalb des Knies. Der Bremshebel ist schwenkbar; er ist vorteilhaft über eine Welle am Kastenrahmen gelagert, die die Seitenwände des Kastenrahmens durchsetzt. Nach einer weiter bevorzugten Ausführung ist die Welle in einer Buchse gelagert. Der Bremshebel betätigt beim Bremsvorgang den oder die Bremszylinder, indem der Bremshebel durch den Fahrer nach hinten bzw. unten gedrückt wird. Gleichzeitig bewirkt der Bremshebel eine vertikale Stabilisierung des Fahrers bezogen auf den Rollschuh, weil nicht nur der Schuh am Rollschuh gesichert ist, wie nachfolgend näher erläutert wird, sondern weil mit dem Wadenhebel eine zweite Befestigungsstelle im Abstand zum Rollschuh bereitgestellt wird.The or, in the case of two disc brakes, optionally also the brake cylinder is or are operated by means of a brake lever which is attached to the side of the box frame. The brake lever extends upward from a first end on a side wall of the box frame to a second end. The brake lever advantageously extends to the calf below the knee. The brake lever is pivotable; it is advantageously mounted on the box frame via a shaft that penetrates the side walls of the box frame. According to a further preferred embodiment, the shaft is mounted in a bush. During the braking process, the brake lever actuates the brake cylinder or cylinders by pushing the brake lever backwards or downwards by the driver. At the same time, the brake lever stabilizes the driver vertically in relation to the roller skate because not only is the shoe secured to the roller skate, as will be explained in more detail below, but also because the calf lever provides a second fastening point at a distance from the roller skate.
Eine besonders einfache und wirksame Ausführung der Bremsanlage sieht vor, dass ein Mittel zum Betätigen der Bremse zwischen Bremshebel und Bremszylinder vorgesehen ist. Das Mittel zum Betätigen der Bremse kann als schwenkbarer Winkel am Kastenrahmen angeordnet sein, der z. B. um eine Achse schwenkbar ist, die parallel zur Fahrtrichtung verläuft. Ein Arm des Winkels erstreckt sich waagerecht über die Seitenwand des Kastenrahmens hinaus bis unter den Bremshebel. Während des Bremsvorgangs wird dieser waagerechte Arm des Winkels nach unten gedrückt. Vereinfacht wird dieser Vorgang insbesondere dann, wenn am Bremshebel ein Drücker angebracht ist, der auf den waagerechten Arm des Winkels drückt. Nach einer weiter bevorzugten Ausführung ist dieser Drücker einstellbar, so dass der Bremspunkt exakt justierbar ist. Ein senkrechter Arm des Winkels erstreckt sich innerhalb des Kastenrahmens, der mindestens an der Stelle, wo der Winkel angebracht ist, keinen vollständig geschlossenen Querschnitt aufweist. Der senkrechte Arm des Winkels wird während des Bremsvorgangs seitwärts in den Kastenrahmen hinein und aufwärts bewegt. Dabei betätigt der senkrechte Arm des Winkels den Bremszylinder, meist den Kolben des Bremszylinders. Es wird Druck in der hydraulischen Bremse aufgebaut, so dass der Bremssattel an der Bremsscheibe anliegt und das Rad gebremst wird. Der Druck in der hydraulischen Bremse kann z. B. 150 bar und mehr betragen. Sind mehrere Bremszylinder zu betätigen, ist der senkrechte Arm des Winkels entsprechend lang ausgebildet oder er weist mehrere Abschnitte auf, die jeweils mit einem oder zwei Bremszylindern in Eingriff kommen.A particularly simple and effective embodiment of the brake system provides that a means for actuating the brake is provided between the brake lever and the brake cylinder. The means for operating the brake can be arranged as a pivotable angle on the box frame, the z. B. is pivotable about an axis which runs parallel to the direction of travel. One arm of the bracket extends horizontally over the side wall of the box frame to under the brake lever. During the braking process, this horizontal arm of the angle is pressed downwards. This process is simplified in particular if a pusher is attached to the brake lever that presses on the horizontal arm of the bracket. According to a further preferred embodiment, this pusher can be adjusted so that the braking point can be adjusted exactly. A vertical arm of the bracket extends within the box frame, which does not have a completely closed cross-section, at least at the point where the bracket is attached. The vertical arm of the bracket is moved sideways into and up the box frame during braking. The vertical arm of the bracket actuates the brake cylinder, usually the piston of the brake cylinder. Pressure is built up in the hydraulic brake so that the brake calliper rests against the brake disc and the wheel is braked. The pressure in the hydraulic brake can, for. B. 150 bar and more. If several brake cylinders are to be actuated, the vertical arm of the bracket is designed to be correspondingly long or it has several sections which each come into engagement with one or two brake cylinders.
Alternativ kann das Mittel zum Betätigen der Bremse auch als verschieblicher, durch eine Feder vorgespannter Stift ausgebildet sein, der außerhalb des Kastenrahmens eine zu seiner Unterseite hin abgeschrägte Oberseite aufweist. Wird der Bremshebel betätigt, erzeugt der Drücker im Eingriff mit der abgeschrägten Oberseite des Stiftes eine Bewegung des Stiftes in Richtung auf den Bremszylinder und in der Bremse wird Druck aufgebaut, der zu einem Abbremsen des Rades führt. Bei dieser Ausführung kann ein vollständig geschlossener Kastenrahmen verwendet werden. Mit einer erfindungsgemäßen Bremsanlage ist ein sicheres Abbremsen auch aus Geschwindigkeiten von 30 km/h bis 40 km/h ohne weiteres möglich.Alternatively, the means for actuating the brake can also be designed as a displaceable pin pretensioned by a spring, which outside of the box frame has an upper side beveled towards its underside. When the brake lever is actuated, the pusher in engagement with the bevelled upper side of the pin generates a movement of the pin in the direction of the brake cylinder and pressure is built up in the brake, which leads to a braking of the wheel. A completely closed box frame can be used with this design. With a brake system according to the invention, safe braking is also easily possible from speeds of 30 km / h to 40 km / h.
Der Bremshebel wird durch die Wade des Fahrers betätigt und muss zu diesem Zweck optimal auf den Fahrer eingestellt sein, und zwar, bezogen auf den Kastenrahmen, in der Höhe, in der Länge und zentriert auf die Wade des Fahrers. Zu diesem Zweck weist der Bremshebel vorteilhaft ein Gelenk auf, wodurch der Bremshebel in einen unteren und einen oberen Hebel unterteilt wird. Durch das Gelenk können der obere und der untere Bremshebel in ihrer Neigung zueinander individuell auf den Nutzer eingestellt werden, so dass der Bremshebel parallel zur Bewegungsrichtung näher zum Vorderrad oder zum Hinterrad ausgerichtet werden kann. Während des Betriebszustandes sind der obere und untere Hebel in ihrer Neigung zueinander aber fixiert, z. B. durch eine Schraube, die die beiden Hebel festlegt oder durch einen Schnellspannhebel. In der Regel ist das erste Ende des Bremshebels mit dem kürzeren unteren Hebel verbunden und der zweite, obere Hebel erstreckt sich vom Gelenk zum zweiten Ende des Bremshebels.The brake lever is actuated by the driver's calf and must be optimally adjusted to the driver for this purpose, in terms of height, length and centered on the driver's calf in relation to the box frame. For this purpose, the brake lever advantageously has a joint, whereby the brake lever is divided into a lower and an upper lever. Through the joint, the inclination of the upper and lower brake levers can be individually adjusted to the user, so that the brake lever can be aligned parallel to the direction of movement closer to the front wheel or to the rear wheel. During the operating state, the upper and lower levers are fixed in their inclination to one another, e.g. B. by a screw that fixes the two levers or by a quick release lever. Typically, the first end of the brake lever is connected to the shorter lower lever and the second, upper lever extends from the joint to the second end of the brake lever.
Der Bremshebel weist bevorzugt eine Längen- und damit eine Höheneinstellung auf, insbesondere eine Teleskopstange, die, bezogen auf den Bremshebel, verschieblich und mit Mitteln zum Feststellen der Teleskopstange am Bremshebel angeordnet ist. Die Teleskopstange wird z. B. durch eine Klemme, eine Schraube oder einen Schnellspannhebel am Bremshebel festgelegt. Am zweiten, oberen Ende des Bremshebels bzw. der Teleskopstange ist vorteilhaft ein Ausleger angebracht, der sich bevorzugt bis mindestens zur halben Breite, insbesondere über die volle Breite der Trittfläche erstreckt. An diesem Ausleger ist eine Stütze für die Wade angebracht, die nach einer vorteilhaften Ausführung einstellbar ist, z. B. durch eine Feststellvorrichtung wie einen Schnellspannhebel, die am Ausleger angebracht ist. Die Stütze für die Wade ist sowohl bezüglich des Abstands vom Bremshebel, also quer zur Bewegungsrichtung bzw. zur Trittfläche, als auch in der Neigung einstellbar und dadurch individuell an den Fahrer anpassbar. Es hat sich herausgestellt, dass die schnellste und unmittelbarste Bremsreaktion sich zwanglos durch eine automatische Bewegung des Fahrers ergibt, der mit der Wade den Bremshebel betätigt.The brake lever preferably has a length and thus a height adjustment, in particular a telescopic rod which, with respect to the brake lever, is displaceable and is arranged with means for locking the telescopic rod on the brake lever. The telescopic rod is z. B. fixed by a clamp, a screw or a quick release lever on the brake lever. At the second, upper end of the brake lever or the telescopic rod an extension arm is advantageously attached, which preferably extends up to at least half the width, in particular over the full width of the step surface. At this boom a support for the calf is attached, which is adjustable according to an advantageous embodiment, for. B. by a locking device such as a quick release lever attached to the boom. The support for the calf is adjustable both in terms of the distance from the brake lever, that is, transversely to the direction of movement or to the step surface, and in terms of inclination and can therefore be individually adapted to the driver. It has been found that the fastest and most immediate braking reaction results from an unconstrained automatic movement of the driver who operates the brake lever with his calf.
Es ist ein besonderer Vorteil der Erfindung, dass keine separaten Betätigungsmittel für die Bremsanlage erforderlich sind. Bremsanlagen, die mittels Fernbedienung, z. B. handgesteuert, betätigt werden, zeigen meist eine längere Reaktionszeit und es ist nicht einfach, die Intensität der Bremsung nach Wunsch zu steuern. Durch den kurzen Ansprechweg der hydraulischen Bremse ist, insbesondere bei Einsatz von zwei hydraulischen Scheibenbremsen, eine sehr gefühlvolle Bremsung ohne Blockade der Bremse jederzeit möglich.It is a particular advantage of the invention that no separate actuation means are required for the brake system. Brake systems operated by remote control, e.g. B. manually operated, usually show a longer reaction time and it is not easy to control the intensity of the braking as desired. Thanks to the short response path of the hydraulic brake, particularly when two hydraulic disc brakes are used, very sensitive braking without blocking the brake is possible at any time.
Erfindungsgemäß werden ein Vorderrad und ein Hinterrad mit einem Durchmesser von mindestens 300 mm eingesetzt, vorteilhaft von bis zu 400 mm, insbesondere von 300 mm bis zu 350 mm, um auch in unebenem Gelände mit dem Rollschuh möglichst sicher und zügig fahren zu können. Insbesondere die Größe der Räder in Verbindung mit der erfindungsgemäßen Bremsanlage gewährleistet ein sicheres Fahren sowohl auf ebenen Strecken als auch in unebenem Gelände. Dadurch wird der Rollschuh, also die einspurige Vorrichtung zur rollenden Fortbewegung, abgegrenzt von anderen z. B. Rollschuhen oder Skatern, die drei oder vier Räder unter der Trittfläche aufweisen. Bevorzugt werden luftgefüllte Reifen eingesetzt. Die Räder sind über Achsen an den Gabeln befestigt, die am Kastenrahmen angeordnet sind. Die Räder sind für den Geradeauslauf ausgelegt, ein Lenken durch Änderung der Laufrichtung eines Rades relativ zum anderen Rad ist nicht vorgesehen.According to the invention, a front wheel and a rear wheel with a diameter of at least 300 mm are used, advantageously up to 400 mm, in particular from 300 mm to 350 mm, in order to be able to ride the roller skate as safely and quickly as possible even on uneven terrain. In particular, the size of the wheels in conjunction with the brake system according to the invention ensures safe driving both on flat stretches and on uneven terrain. This is the roller skate, so the single-track device for rolling locomotion, separated from other z. B. roller skates or skaters that have three or four wheels under the tread. Air-filled tires are preferred. The wheels are attached to the forks via axles, which are arranged on the box frame. The wheels are designed to run straight ahead, steering by changing the direction of travel of one wheel relative to the other wheel is not provided.
Optional können an einer oder an beiden Radachsen jeweils eine Rücklaufsperre angebracht sein. Eine solche Rücklaufsperre ist z. B. bei Fahrrädern mit Rücktrittbremse bekannt und kann ohne weiteres in die erfindungsgemäßen Räder bzw. Naben des Rollschuhs eingebaut werden. Damit wird die Geländegängigkeit des erfindungsgemäßen Rollschuhs weiter verbessert, weil größere Steigungen auch bei engem Terrain besser bewältigt werden können.Optionally, a backstop can be attached to one or both wheel axles his. Such a backstop is z. B. known for bicycles with coaster brakes and can be easily installed in the wheels or hubs of the roller skate according to the invention. This further improves the cross-country mobility of the roller skate according to the invention, because larger gradients can be better managed even in narrow terrain.
Der Rollschuh kann entweder einen fest mit dem Rollschuh verbundenen Schuh oder eine Bindung für beliebige Schuhe aufweisen. Nach einer weiter vorteilhaften Ausführung weist der Rollschuh eine Bindung auf, insbesondere eine Standard-Bindung wie z. B. eine SNS-Bindung, optional ergänzt durch eine weitere Befestigung des Schuhs im Bereich des Rists mittels Zahnriemen zur zusätzlichen Sicherung des Schuhs. Die weitere Befestigung kann als Zahnriemen, als Klettverschluss, als feststehender, elastischer Riemen oder als Spange ausgebildet sein. Durch diese zusätzliche Befestigung wird eine exakte Führung des Schuhs bei einer Aufwärts- und einer Abwärtsbewegung des Schuhs bezogen auf die Trittfläche gewährleistet.The roller skate can either have a shoe firmly connected to the roller skate or a binding for any type of shoe. According to a further advantageous embodiment, the roller skate has a binding, in particular a standard binding such as. B. an SNS binding, optionally supplemented by a further fastening of the shoe in the area of the instep by means of a toothed belt for additional securing of the shoe. The further fastening can be designed as a toothed belt, as a Velcro fastener, as a fixed, elastic belt or as a clasp. This additional fastening ensures that the shoe is guided precisely when the shoe moves up and down in relation to the tread surface.
Aufgrund der Konstruktion des Rollschuhs mit einer im Kastenrahmen angeordneten Bremse und mit einem seitlichen Wadenhebel wird es möglich, den erfindungsgemäßen Rollschuh, insbesondere, wenn eine zusätzliche Befestigung des Schuhs vorgesehen ist, mit einem parallelen Langlaufschritt zu benutzen, bei dem sich die Ferse des Fahrers regelmäßig von der Trittfläche abhebt. Kein bekannter Rollschuh bietet diese Möglichkeit.Due to the construction of the roller skate with a brake arranged in the box frame and with a lateral calf lever, it is possible to use the roller skate according to the invention, especially if an additional fastening of the shoe is provided, with a parallel cross-country step in which the driver's heel regularly moves stands out from the tread. No known roller skate offers this possibility.
Details der Erfindung werden nachfolgend an Hand von Ausführungsbeispielen näher erläutert. Es zeigen:
- Fig. 1
- eine Seitenansicht eines Rollschuhs,
- Fig. 2
- eine Seitenansicht eines Bremshebels
- Fig. 3
- ein Detail des oberen Endes des Bremshebels
- Fig. 4
- eine ausschnittweise Seitenansicht eines Rollschuhs
- Fig. 5
- einen Querschnitt durch den Rollschuh
- Fig. 1
- a side view of a roller skate,
- Fig. 2
- a side view of a brake lever
- Fig. 3
- a detail of the upper end of the brake lever
- Fig. 4
- a partial side view of a roller skate
- Fig. 5
- a cross section through the roller skate
Der erfindungsgemäße Rollschuh 1, eine einspurige Vorrichtung zur rollenden Fortbewegung, weist, wie in
Der Rollschuh 1 ist aus Aluminium gefertigt, alternativ aus Edelstahl. Die Räder weisen einen Durchmesser von 304,8 mm auf; die Reifen sind luftgefüllt.The roller skate 1 is made of aluminum, alternatively of stainless steel. The wheels have a diameter of 304.8 mm; the tires are inflated.
Die Trittfläche 2 des Rollschuhs 1 ist die Oberseite eines Kastenrahmens 8, der zudem eine Unterseite 9 und Seitenwände 10 aufweist, die die Oberseite bzw. Trittfläche 2 und die Unterseite 9 in einem Abstand von ca. 1 cm bis 5 cm voneinander halten. Der Kastenrahmen 8 ist weitgehend geschlossen ausgeführt. Optional können Vorder- und Rückwände eingesetzt werden, die den Kastenrahmen 8 weiter gegen die Umgebung abschließen. Weiter optional kann die Trittfläche 2 oder die Unterseite 9 oder eine Seitenwand 10 verschließbar ausgebildet sein, so dass durch Öffnen der Trittfläche 2, der Unterseite oder der Seitenwand 10 ein Innenraum des Kastenrahmens 8 zugänglich wird.The
Der Rollschuh 1 weist eine Bremsanlage 5 auf, die Bremsen 11 und einen Bremshebel 12 umfasst. Die Bremsen 11 sind als Scheibenbremsen ausgelegt, die jeweils auf einer Seite an einem Rad 3, 4 angeordnet sind und die mittels Bremszylinder betätigt werden, wie nachfolgend näher erläutert wird. Der Bremshebel 12 ist seitlich des Kastenrahmens 8 angeordnet.The roller skate 1 has a
Der Bremshebel 12 weist ein Gelenk 14 auf, das einen ersten, unteren Hebel 15 und einen zweiten, oberen Hebel 16 verbindet. Der erste, untere Hebel 15 erstreckt sich von der Welle 13 bis zum Gelenk 14 und der zweite, obere Hebel 16 erstreckt sich vom Gelenk 14 bis zu einem oberen Ende 17 des Bremshebels 12. Die beiden Hebel 15, 16 können in einem Winkel zueinander eingestellt werden, der individuell auf den Fahrer des Rollschuhs eingestellt wird, insbesondere wird das obere Ende 17 des Bremshebels 12 parallel zur Bewegungsrichtung B auf eine gewünschte Position zwischen Vorderrad 3 und Hinterrad 4 eingestellt. Nach dem Einstellen wird das Gelenk 14 fixiert, z. B. durch Anziehen einer Schraube oder durch einen Schnellspannverschluss. Der zweite, obere Hebel 16 weist eine Teleskopstange 18 auf, die eine Längeneinstellung des Bremshebels 12 ermöglicht. Auch die Teleskopstange 18 wird nach dem individuellen Einstellen fixiert, z. B. durch eine Klemme oder einen Schnellspannverschluss. Am oberen Ende 17 des Bremshebels 12 ist ein Ausleger 19 angebracht, der sich quer zur Bewegungsrichtung B über mindestens die halbe Breite der Trittfläche 2 erstreckt. An diesem Ausleger 19 ist eine Wadenschnalle 20 für die Wade des Fahrers des Rollschuhs angebracht. Die Wadenschnalle 20 ist bevorzugt aus Kunststoff oder Aluminium gefertigt und schalenförmig ausgebildet, so dass die Wade sicher in der Wadenschnalle aufgenommen ist. Die Wadenschnalle 20 kann quer zur Bewegungsrichtung B auf dem Ausleger 19 verschoben werden. Die Neigung der Wadenschnalle 20 passt sich beim Laufen automatisch der Laufbewegung der Wade an, so z. B. wenn sich der Fuß beim parallelen Langlaufschritt hebt und senkt. Der Bremshebel 12 kann also in drei Dimensionen individuell an den Fahrer angepasst werden. Die Wadenschnalle 20 weist weiter ein Befestigungsmittel 31 auf, z. B. einen Zahnriemen, ein Klettband oder einen Riegel. Damit wird die Wadenschnalle 20 fest an der Wade des Fahrers bzw. der Fahrerin fixiert. Die vertikale Stabilisierung des Rollschuhs durch Befestigung des Bremshebels 12 an der Wade des Fahrers trägt ebenfalls dazu bei, Schäden am Bremshebel 12 und/oder am Kastenrahmen 8 zu vermeiden.The
Der Bremszylinder 23 ist im Innenraum 24 des Kastenrahmens 8 angeordnet und zwischen Oberseite bzw. Trittfläche 2 und Unterseite 9 fixiert, z. B. durch Löten, Klemmen oder Kleben. Bevorzugt ist der Bremszylinder verschraubt; dies erweist sich insbesondere bei Reparaturen oder bei einem Austausch als hilfreich. Der Bremszylinder 23 weist einen Kolben 25 auf, der gegen eine Feder 26 gespannt ist. Beim Bremsvorgang wird die Feder 26 gespannt, ohne Betätigung der Bremse 11 ist die Feder 26 entspannt. Zwischen dem Drücker 22 am Bremshebel 12 und dem Kolben 25 sind Mittel zum Betätigen der Bremse 11 angeordnet. Diese Mittel zum Betätigen sind als Winkel 27 ausgeführt. Der Winkel 27 erstreckt sich mit einem waagerechten Arm 28 parallel zur Trittfläche 2 über den Kastenrahmen 8 hinaus bis unter den Drücker 22. Der Winkel 27 erstreckt sich mit einem senkrechten Arm 29 im Innenraum 24 des Kastenrahmens parallel zur Seitenwand 10. Der Kolben 25 liegt an dem senkrechten Arm 29 an. Der Winkel 27 ist um eine Welle 30 schwenkbar, die im Scheitelpunkt der Arme 29, 30 angeordnet ist und die parallel zur Bewegungsrichtung B des Rollschuhs 1 verläuft.The
Bei Betätigung des Bremshebels wird der Drücker 22 nach unten gedrückt. Der Drücker 22 schwenkt den waagerechten Arm 28 des Winkels 27 dann mit einer senkrecht nach unten gerichteten und seitlichen, auf den Kastenrahmen 8 zu gerichteten Bewegungskomponente nach unten und zum Kastenrahmen hin. Damit wird der senkrechte Arm 29 des Winkels 27 mit einer seitlichen und senkrechten Bewegungskomponente seitlich in Richtung auf den Kolben 25 des Bremszylinders 23 gerichteten Bewegung ausgelenkt und mit einer senkrechten Bewegungskomponente nach oben geschwenkt. Der Kolben 25 wird in den Bremszylinder 23 verschoben und erhöht den hydraulischen Druck in der Bremse. Dadurch wird die Scheibenbremse am Hinterrad bzw. am Vorder- und Hinterrad betätigt und der Rollschuh 1 bremst ab.When the brake lever is actuated, the
Im Innenraum 24 des Kastenrahmens 8 ist mindestens ein Bremszylinder 23 angeordnet, der sämtliche Scheibenbremsen 11 der Vorder- und Hinterräder 3, 4 betätigt. Alternativ können auch mehrere Bremszylinder 23 angeordnet sein, die jeweils durch einen senkrechten Arm 29 des Winkels 27 betätigt werden können.At least one
Der erfindungsgemäße Rollschuh nach Anspruch 1 weist in der Regel auch eine Bindung auf, um den Schuh eines Fahrers am Rollschuh fixieren zu können. Vorteilhaft ist dies eine Standard-Bindung, die an sich z. B. auch für Ski verwendet wird wie beispielsweise eine SNS-Bindung. Nach Bedarf kann eine solche Bindung vorteilhaft durch ein weiteres Befestigungsmittel 31 ergänzt werden, z. B. um ein Klettband, einen Zahnriemen oder eine Spange, die den Schuh des Fahrers zusätzlich absichert und an der Trittfläche fixiert. Der Vorteil eines solchen zusätzlichen Befestigungsmittels, das am Kastenrahmen befestigt ist, liegt darin, dass eine Auf- und Abwärtsbewegung des Schuhs bezogen auf die Trittfläche 2 sicher geführt wird. Damit ermöglicht das zusätzliche Befestigungsmittel das Ausführen sämtlicher Schrittarten, die auch mit einem Langlaufski realisiert werden können. Ein erfindungsgemäßer Rollschuh 1, der mit einem am Kastenrahmen 8 fixierten, zusätzlichen Befestigungsmittel ausgestattet ist, ermöglicht also auch ein Liegend-Schießen beim Sommer-Biathlon.
Claims (8)
- A roller skate, comprising a tread surface (2), a front wheel (3), which is arranged in front of the tread surface (2) in the direction of movement (B), a rear wheel (4), which is arranged behind the tread surface (2) in the direction of movement (B), and a brake system (5), characterized in that the tread surface (2) is the top face of a box frame (8) and in that the brake system (5) comprises at least one hydraulic disk brake (11) per roller skate (1), the brake cylinder (23) of which brake system is received in the interior (24) of the box frame (8), the brake cylinder (23) being engaged with a brake lever (12) attached to the side of the box frame (8), and the brake lever (12) being adjustable in parallel with and transversely to the direction of movement (B) of the roller skate (1).
- The roller skate according to claim 1, characterized in that the box frame (8) comprises a top face designed as a tread surface (2), a bottom face (9) arranged in parallel therewith, and at least two side walls (10).
- The roller skate according to claim 1 or 2, characterized in that the tread surface (2) and the bottom face (9) of the box frame (8) are closed at least in portions.
- The roller skate according to at least one of claims 1 to 3, characterized in that the brake lever (12) comprises a calf buckle (20).
- The roller skate according to claim 4, characterized in that the calf buckle (20) is adjustable.
- The roller skate according to at least one of claims 1 to 5, characterized in that the brake system (5) comprises means (27) for actuating the brake.
- The roller skate according to at least one of the preceding claims 1 to 6, characterized in that the roller skate (1) comprises a binding.
- The roller skate according to at least one of the preceding claims 1 to 7, characterized in that the hub of at least one wheel (2, 3) comprises a reverse-motion lock.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017117332.3A DE102017117332B4 (en) | 2017-07-31 | 2017-07-31 | Roller skate |
Publications (2)
Publication Number | Publication Date |
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EP3437704A1 EP3437704A1 (en) | 2019-02-06 |
EP3437704B1 true EP3437704B1 (en) | 2020-11-18 |
Family
ID=63108501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18186587.4A Active EP3437704B1 (en) | 2017-07-31 | 2018-07-31 | Roller skate with boxframe |
Country Status (2)
Country | Link |
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EP (1) | EP3437704B1 (en) |
DE (1) | DE102017117332B4 (en) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE857006C (en) * | 1950-11-22 | 1952-11-27 | Carl Dipl-Ing Klaas | Two-wheeled scooter, consisting of two running wheels arranged one behind the other in the same direction with a foot-length or greater distance |
DE2925555C2 (en) * | 1979-06-25 | 1983-11-24 | Otto Dipl.-Ing. 8951 Unterthingau Lachner | Single track, steerable roller skate |
EP0486013A1 (en) | 1990-11-15 | 1992-05-20 | Georg Wiegner | Sport apparatus |
AT406642B (en) * | 1998-04-14 | 2000-07-25 | Otto Eder | DEVICE FOR ROLLING PROGRESSION |
DE19929501A1 (en) * | 1999-06-28 | 2001-01-04 | Ursula Schaab | Inline roller skate with brake has hydraulic brake cylinder, slave cylinder, control, fixture axle, forked holder, plunger, piston, and extra roller |
DE20206709U1 (en) * | 2002-04-27 | 2002-08-14 | Beh, Joachim, 70599 Stuttgart | Single track roller skate |
US20030214103A1 (en) * | 2002-05-15 | 2003-11-20 | Walker Bryan Lyle | Radio controlled hydraulic disc brake for in-line skates |
US20060273532A1 (en) * | 2005-06-06 | 2006-12-07 | Jenex Inc. | Brake for roller skis |
DE102006018505A1 (en) * | 2006-04-21 | 2007-10-25 | Reinhard Wittner | Terrain skates for migration and departure operation, has wheel, which are connected with spring loaded base plate by over 20 cm diameter, and wheel are pivoted in two rigid forks |
WO2008082675A1 (en) * | 2007-01-04 | 2008-07-10 | Jianhan Lin | Foldable inline skate with suspension and compression disc brakes |
US20160375347A1 (en) * | 2014-01-24 | 2016-12-29 | Rollersafe As | System And Method For Regulated And/Or Limited Speed Control |
-
2017
- 2017-07-31 DE DE102017117332.3A patent/DE102017117332B4/en not_active Expired - Fee Related
-
2018
- 2018-07-31 EP EP18186587.4A patent/EP3437704B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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DE102017117332B4 (en) | 2020-06-25 |
EP3437704A1 (en) | 2019-02-06 |
DE102017117332A1 (en) | 2019-01-31 |
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