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
  • A63C17/0033—Roller skates; Skate-boards with a castor wheel, i.e. a swiveling follow-up wheel
• • 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

Definitions

• the present invention relates to a rolling device comprising a housing and three wheels.
• roller skates can be strapped to shoes or have their own shoes on and beid Fernssig used.
• On skateboards one stands with one or spread with both feet. They are driven by repelling themselves with one foot.
• DE 33 46 905 A1 describes a windsurfing device that is operated by means of a sail. By attaching wheels, runners or the like, the device can be operated on land.
• a steering is made possible by the tread is connected in the manner of an obliquely to the direction of travel extending hinge connection with the front axle via a steering head. By the tread is brought by weight shift in an inclined position, a torque is generated, which transmits via the hinge connection to the front axle and this pivots, so that the direction of travel changes.
• roller skates with three wheels are known.
• the three wheels are rigidly and unbending connected to the base plate.
• the roller skates are only used in pairs.
• a skate has two large rear wheels and a small ball as the front wheel.
• the ball is mounted in a hemispherical bed and is freely movable through 360 °.
• WO 01/51139 A1 describes a kind of skateboard with three big wheels. They are positioned on the front side outside the footboard. The rear wheel is attached to a bracket, which protrudes over the footboard to the rear. The front wheels are attached to the ends of a bracket attached to the front of the footboard. In addition, each front wheel is attached via a handlebar centrally below the toe board. The front wheels are steered by twisting the footboard by shifting its weight about its longitudinal axis. The twisting of the footboard is implemented via the handlebars in a change in direction of the front wheels.
• a rolling device comprising a housing and three wheels, which is characterized in that two of the three wheels in the rolling direction front rigidly connected to the housing and the third wheel is attached in the rolling direction at the rear at one end of a steering arm, the spaced from the third impeller pivotally connected to the housing.
• the rolling device according to the invention comes with three wheels and thus offers high stability at low cost of materials.
• the steering of the rolling device is made possible by the suspension of the rear wheel on the steering arm.
• the pivotable steering arm may be limited to forces exerted by the driver by e.g. Heel pressure or rotation of the foot respond by pivoting so that the rear wheel has a different rolling direction than the two rigidly mounted front wheels. This leads to a change of direction of the entire rolling device.
• Rolling device for single-roll device it differs significantly from conventional roller skates or inline skates.
• the rolling device By appropriate design of the wheels and the housing can be made possible by reducing the ground clearance, that the height difference between the foot of the leg and the other foot is low. This facilitates a sweeping repulsion. If necessary, the other foot can also be set down quickly on the ground without losing its balance.
• the invention allows rolling devices that are lighter, smaller and space-saving than conventional devices because of the three wheels and the steering arm in conjunction with the housing. They are also easy to handle due to the maneuverability and can be used by simply placing a foot on the housing without a buckle or a shoe change. If necessary, however, the rolling device according to the invention can be upgraded by means of special shoe or seat belt.
• the steering arm is connected in the rolling direction behind the front wheels to the housing. This ensures stable steering and good handling.
• this axle is arranged substantially in the rolling direction behind the front wheels on the longitudinal axis of the housing. This allows a compact design with stable ride and good maneuverability. Force effects on the housing are evenly converted into a change of direction.
• the rolling device between the housing and the steering arm on a support bearing absorbs the leverage forces that occur when the steering arm is loaded from above.
• the pivotability of the steering arm is made smoother by a support bearing.
• the support bearing is advantageously on the steering arm near the rear wheel.
• the rolling device at the junction of the steering arm with the housing has a pivot bearing.
• the pivot bearing makes the steering arm horizontally rotatable. It is particularly advantageous to provide a pivot bearing in embodiments in which the steering arm is suspended pivotably about a vertical axis fixed to the housing.
• the rolling device on the steering arm on a spring element.
• the spring element is in a deflection of the steering arm, so a change in direction, tensioned and ensures that the steering arm back to the starting position, eg same Orientation of the front wheels and the rear wheel, returns as soon as no direction-changing force acts on the steering arm.
• the driving characteristics are improved by the spring element. It is particularly preferred to provide a spring guide on the steering arm in the case of a spring element. As a result, the spring element can be used in a controlled manner.
• Figure 5a, b is a steering arm of a third embodiment of the invention
• Figures 3a-d show a rolling device 100 according to the invention.
• Figure 3a shows a
• Figure 3c shows the longitudinal section without foot and Figure 3d shows the steering arm 8, the left and right front wheel 5, 6 and the brake spring 17 from above.
• the rolling device 100 has, like roller skates or inline skates, no separate or integrated drive. It is a single device with three wheels 5, 6, 7, two front wheels 5, 6 and a rear wheel 7.
• the rolling device 100 has a housing 1 which is compact and accommodates the functional parts for the operation of the rolling device 100.
• the housing 1 is made in one piece and can be made of any suitable materials, for example aluminum or steel alloys, zinc or plastics etc. In the example shown in FIG. 3a it is made of deep-drawn aluminum.
• the housing 1 serves as a footstep on which the foot 20 used in each case stands.
• the housing 1 is lowered in the area of the foot access surface 21 in order to significantly reduce the ground clearance compared to conventional rolling devices and thus to increase the stability.
• the lowering of the contemplatauftritt structure 21 also provides horizontal support for the foot 20 in all directions.
• the foot 20 is positioned centrally between the three wheels 5, 6, 7 and reduces the risk of tipping.
• the tread surface 21 extends substantially horizontally.
• the front part about in the area of
• the entrance surface 21 increases by about 10 °. It has the maximum width between the front wheels 5, 6 in the region of the ascending surface 21 rising by about 10 degrees, and tapers symmetrically in the horizontal part of the step surface 21 towards the rear, in anatomical reference to the foot. The foot is thereby positioned centrally between the three wheels 5, 6, 7 and this results in a stable state.
• the housing 1 has circumferentially ascending walls 23 around the footboard surface 21. This gives the housing 1 particular rigidity. In addition, the upright foot is given support on all sides. The rising walls 23 are angled horizontally above the wheels 5, 6, 7 and thus result in wheel arches 19. Mit
• Transport aid e.g. for suitcases, boxes, etc. can be used.
• the rear wheel 7 can be braked on the wheel diameter.
• the brake spring 17 is attached to the underside of the rear wheel arch 19.
• the width of the brake spring 17 is slightly narrower than the clear dimension of the wheel housing 19 to a brake in a Ensure curve.
• the curvature of the brake spring 17 follows at a distance from the diameter of the rear wheel 7. With an opposite curvature, the brake spring 17 projects beyond the housing end and can be operated with the free foot. By depressing the brake spring 17 with the free foot, it comes into contact with the rear wheel 7 and brakes it off.
• the braking effect can be selectively metered with varying degrees of pressure.
• the front wheels 5, 6 which are opposite and which define the front axle 3 are fastened to the housing 1 in the direction of roll RR at the front by axle carriers 15, 16, which in turn are fastened to the underside of the housing 1.
• axle carriers 15, 16, which in turn are fastened to the underside of the housing 1.
• they may also be integrated directly on the housing, e.g. in a casting with molded axle beams.
• the diameter of the wheels 5, 6 is variable in corresponding variants of the Achslagerany 15, 16th
• the steering arm 8 via a pivot bearing 9 ! connected to the housing 1 horizontally pivotable.
• the steering arm 8 is pivotally suspended at its front end about a vertical axis 4.
• the steering arm 8 receives the rear wheel 7 in a fork-shaped end 22.
• the special configuration of the forked end 22 with obliquely upwardly angled extension 32 makes it possible to use rollers with different diameters with correspondingly offset axial bores. Due to the pivotable suspension of the rear wheel 7 via the steering arm 8, it is possible to perform curve maneuvers that are not dependent on leg change as roller skates or inline skates; The steering is more comparable to a scooter, but without handlebar and handlebar.
• the pivot axis 4 is arranged at the front part of the steering arm 8 between the rear wheel 7 and the two front wheels 5, 6 on the longitudinal axis 2 of the housing 1 slightly beyond the center of the housing 1 out to the front wheels 5, 6, resulting in a compared with arrangements of the pivot axis 4 closer to the rear wheel 7, relatively large turning circle leads. Due to the relatively large turning circle a harmonious running behavior is achieved.
• the pivot bearing 9 ' makes the steering arm 8 horizontally rotatable and establishes the connection with the housing 1.
• the pivot bearing 9 ' can be, for example, a ball bearing (see also FIG. 4a, reference numeral 9 "and FIG. 5a reference numeral 9'") or, as in the example shown in FIGS. 3a-d, a slide bearing (see also FIG. 2a , Reference number 9, Figure 6a, reference numeral 9 ', Figure 7a, reference numeral 9 "").
• Suitable sliding materials are, for example, bronze or polytetrafluoroethylene (PTFE).
• the resistor 11 is fastened to the housing 1 near the eyelet screw 24.
• the steering arm 8 and the rear wheel 7 act by their own weight when lifting the rolling device 100 from a leverage down, which can adversely affect the pivot bearing 9 '.
• a support bearing 10 is arranged on the steering arm 8 near the rear wheel 7, which catches the lever forces under load from above on the steering arm 8.
• the support bearing 10 is formed by a support bearing holder 25 and a support bearing wheel 26, which rolls on the underside of the housing 1. By the support bearing 10, the pivoting of the steering arm 8 is made smoother.
• a running plate 14 is added, on which the support bearing wheel 26 rolls.
• the support bearing 10 ' is thereby smoother.
• the rest 11 ' is fixed to the steering arm 8 and has a tongue 33 which engages over a corresponding projection 34 of the baffle 14.
• the support 11 ' keeps the bar spring 12 biased vertically to counteract downward forces.
• a horizontally curved leaf spring 13 is arranged above the support bearing 10 "on the underside of the housing 1. If the steering arm 8 pivots to one side, the support bearing 10 presses "the corresponding wing of the leaf spring 13 upwards. The spring force in turn pushes the support bearing 10 "back into its starting position or into the intended straight run.
• the leaf spring 13 is provided with a forwardly formed tongue 35, which engages with slight height clearance under a support 11" fastened to the steering arm 8 in order to control the lever forces that are acting downward to catch.
• the leaf spring 13 serves as a running plate 14 for the support bearing 10 ".
• the support bearing 10 can be seen from the front.
• the Stauerlagerrad 26 is mounted in the support bearing bracket 25 in the steering arm 8 and runs on a surface as here the bottom of the housing 1 from.
• the support bearing wheel 26 can also roll on a running plate 14. If the support bearing wheel 26 runs on a horizontally curved leaf spring 13, it bends it when the direction changes. The spring force of the leaf spring 13 then forces the support bearing wheel 26 to roll back into the middle position.
• a support bearing ball 36 is instead inserted in a hemispherical shell 37, which rolls on the leaf spring 13.
• the housing 1 shown in section is in this Example made of plastic and has molded on Achsure 15, 16 for the front wheels 5, 6.

Landscapes

• Motorcycle And Bicycle Frame (AREA)
• Prostheses (AREA)
• Portable Nailing Machines And Staplers (AREA)

Priority Applications (6)

Applications Claiming Priority (1)

Publications (1)

Family

ID=35207376

Family Applications (1)

Country Status (6)

Cited By (2)

Citations (5)

• 2005
  • 2005-09-07 DK DK05786601.4T patent/DK1922120T3/da active
  • 2005-09-07 AT AT05786601T patent/ATE451155T1/de active
  • 2005-09-07 WO PCT/EP2005/009586 patent/WO2007028409A1/de active Application Filing
  • 2005-09-07 ES ES05786601T patent/ES2338031T3/es active Active
  • 2005-09-07 EP EP05786601A patent/EP1922120B1/de not_active Not-in-force
  • 2005-09-07 DE DE502005008692T patent/DE502005008692D1/de active Active

Patent Citations (5)

Also Published As

Similar Documents

Legal Events