EP0558768B1 - Method of manufacturing a self-propelled physical skateboard - Google Patents

Method of manufacturing a self-propelled physical skateboard Download PDF

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Publication number
EP0558768B1
EP0558768B1 EP92103162A EP92103162A EP0558768B1 EP 0558768 B1 EP0558768 B1 EP 0558768B1 EP 92103162 A EP92103162 A EP 92103162A EP 92103162 A EP92103162 A EP 92103162A EP 0558768 B1 EP0558768 B1 EP 0558768B1
Authority
EP
European Patent Office
Prior art keywords
skateboard
shaft
footboard
gear
roller
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.)
Expired - Lifetime
Application number
EP92103162A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0558768A1 (en
Inventor
Boris Sobocan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to DK92103162.1T priority Critical patent/DK0558768T3/da
Application filed by Individual filed Critical Individual
Priority to AT92103162T priority patent/ATE133347T1/de
Priority to EP92103162A priority patent/EP0558768B1/en
Priority to DE69207890T priority patent/DE69207890T2/de
Priority to ES92103162T priority patent/ES2085506T3/es
Priority to AU13198/92A priority patent/AU653995B2/en
Priority to CA002063916A priority patent/CA2063916C/en
Priority to IL10412792A priority patent/IL104127A/en
Priority to HU9204024A priority patent/HU215059B/hu
Priority to SK3838-92A priority patent/SK383892A3/sk
Priority to CS923838A priority patent/CZ283741B6/cs
Priority to JP4347252A priority patent/JPH0639077A/ja
Priority to US08/069,651 priority patent/US5280935A/en
Publication of EP0558768A1 publication Critical patent/EP0558768A1/en
Application granted granted Critical
Publication of EP0558768B1 publication Critical patent/EP0558768B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A63C17/12—Roller skates; Skate-boards with driving mechanisms
    • 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 belongs to the field of sports/games/recreation, and relates to skateboards, particularly the ones which provide special, integrated measures for physically driving the skateboard. ( Int . Cl .4: A 63 C 17/12, B 62 M 1/08)
  • a skateboard In a primary configuration of a skateboard the latter comprises an elongated, suitably designed footboard from which two pairs of rollers are suspended.
  • a skateboard can further comprise supplementary equipment, e.g. a brake, a flywheel, a lamp, a marker a buffer, etc.
  • supplementary equipment e.g. a brake, a flywheel, a lamp, a marker a buffer, etc.
  • This action can be realized by means of specific suspension of the rollers, and at performing a curve the inclination of the footboard results in that a front and a rear roller, the “inner” rollers with respect to the curve, are mutually approached, whereas the other two rollers, the “outer” ones with respect to the curve, are mutually drawn apart.
  • skateboard/rider-system as a physical phenomenon, i.e. at skateboard and rider functionally united into a combined, independent unit, can be discussed merely within the period of the consumption of mass forces previously accumulated (or - in the case of riding downhill: by using the gravity force).
  • the pedal section is by means of linkages comprising a push rod, a crankshaft and a toothed segment, as well as by means of a gear train bound to said toothed segment and comprising four pairs of toothed wheels and a termination toothed wheel, which is bound to a roller shaft of the rear skateboard rollers, motion-transferably interconnected with respective skateboard rollers, each of the latter being connected to the shaft by means of an overrunning clutch.
  • the footboard is interconnected in the front wheel range by a bearing, which enables the footboard to turn with the centre in the said bearing.
  • the rear part of the footboard comprises a rachet bar, which transfers an up-down movement of the footboard to a gear, placed between the wheels and transforming this longitudinal movement to the rotation of said wheels.
  • the skateboard essentially provides the same height as the skateboards without propelling gearings, and there are aimed to be retained diverse operational possibilities, such as ease in negotiating curves and maneuverability.
  • the height of the skateboard can only be a matter of discussion in connection with the front, i.e. fixed, footboard section of the skateboard, not in connection with the rear, i.e. pedal section, except at a position when its pedal function is arrested which, however, is not in conformity with the primary aim or object of the solution.
  • a skateboard according to FR 2 666 780 to Mariet.
  • This skateboard is powered by pushing directly with one foot off the ground. It is characterized by a tilting footboard along its longitudinal axis to steer the skateboard, while the footboard is connected by steering rods to a pair of wheels, which are swung around the vertical axis according to the angle of the tilted footboard, which corresponds to a negotiating curve.
  • this construction makes it impossible to arrange on a skateboard any propelling gear powered by a person directly by tilting the footboard along its longitudinal axes.
  • the invention is based on the problem how to convert said swinging of the footboard to propelling of the rollers of a skateboard.
  • gearboxes belonging to the front and/or rear roller shaft are designed mirror-symmetrically with respect to the longitudinal upright plane placed through the suspensions.
  • the skateboard comprises a footboard 1 which is composed and designed in accordance with the respective object and on whose lower side a front substructure assembly 2 and a rear substructure assembly 3 are suspended at the front and the rear end sections, respectively.
  • the connection of the footboard 1 and the substructure assemblies 2, 3 is a direct one, similar to that at the skateboards without incorporated driving gearboxes.
  • the substructure assembly 2, 3 is designed by a two-column suspension 4 (front); suspension 5 (rear) which, as such, belongs to the prior art.
  • the two suspensions 4, 5 constructionally equal each other, yet are arranged in known manner mirror-symmetrically with respect to a vertical central plane positioned transversely to the direction of the movement of the skateboard.
  • the constructional feature just mentioned appears such that of the two-column suspension 4 of the front substructure assembly 2 a rigid, internally rotatable and breakable column 6, and of the two-column suspension 5 of the rear substructure assembly 3, respectively, an elastically flexible column 7 is visible.
  • the columns 6,7 of either suspension 4, 5 are arranged in a V -relation in the central longitudinal vertical plane of the skateboard, which feature in the combination with other features of the suspensions 4, 5 makes it possible that at tilting of the footboard 1 to the left or to the right, respectively, with regard to the direction of riding the skateboard, the front substructure assembly 2 and the rear substructure assembly 3 are definitely swung in opposite directions - each assembly around its own vertical axis, which coincides with the axis of the rigid column 6, which shiftings in functional meaning result in turning of the skateboard.
  • the suspensions 4, 5 are arranged mirror-symmetrically, the front substructure assembly 2 and the rear substructure assembly 3 being constructionally equal each other.
  • the front substructure assembly 2 and the front suspension 4 will hereinafter be referred to, but including the rear substructure assembly 3 and the rear suspension 5.
  • a roller shaft 11, bearing at its free end sections skateboard rollers 12, is inserted through the shaft housing 8 and the gearboxes 9, 10.
  • the gearbox 9 is composed of a box-shaped mounting casing 13 which is attached to the free end of the shaft housing 8 and in which, beside the roller shaft 11, a shaft 14 for carrying gears, conveniently disposed above the roller shaft 11, and an intermediate shaft 15 also for carrying gears, disposed vertically between the shafts 11 and 14, but shifted rearwards with respect to the direction of riding the skateboard, are mounted.
  • the mounting casing 13 On the side oriented to the roller 12 of the skateboard, the mounting casing 13 is closed by a vertical adapted wall 16 (cf. Fig. 6).
  • a mounting cover 17 which provides another series of bearings for pivoting the shafts 11, 14, 15.
  • a recess 18 for conveying a toothed rack 19 as explained below, is foreseen.
  • the pinion 20 resides inside the mounting cover 17 and projects into an appropriate circular recess 26 of the wall 16
  • the gear 21 accompanied with its overrunning clutch 22 resides inside the mounting casing 13 and is arranged at an axial distance from the journal of the shaft 14.
  • the intermediate shaft 15 supports a gear 23 designed to mate the gear 21, whose diameter is greater than that of the former one, and on the side oriented to the vertical wall part of the mounting casing 13, supports a further, larger gear 24.
  • the two gears 23, 24 are directly connected to the intermediate shaft 15.
  • the roller shaft 11 supports a gear 25, driven and designed to mate the gear 24, whose diameter is larger than that of the former one.
  • the interconnection of the gear 25 and the shaft 11 is a direct one as well.
  • the wall 16 provides an upright trough-shaped guide 27 (Fig. 6) for the accommodation and guiding of the upright toothed rack 19, the inner cross-section of the guide 27 coinciding with the recess 18.
  • a suitably prestressed helical torsion-spring 28 On the shaft 14 in the axial interspace between the gear 21 and its overrunning clutch 22, respectively, and the bearing of the shaft 14 is arranged a suitably prestressed helical torsion-spring 28, whose one end is formed like a hinge and by means of tangential approaching to the surface mantle of the shaft 14 is connected to the latter, and whose other end is designed like a special hook and thereby connected to the mounting casing 13.
  • the windings of the spring 28 pass in a manner that they are tightened when the toothed rack 19 is moved down, i.e. they accumulate potential energy necessary for returning (lifting) the toothed rack 19.
  • the gearbox is designed on the principle that one stroke of the toothed rack 19 results in one revolution of the shaft 14. Naturally, at a complete revolution of the shaft 14 the windings of the spring 28 do not thoroughly clamp the mantle surface of the latter, and the ability of spring force accumulation of the spring is thereby not thoroughly exhausted.
  • the interconnection of the shaft 11 and the roller 12 is taken from prior art and designed by providing a roller bearing 29 (Fig. 3) and an overrunning clutch 30.
  • the overrunning clutch 30 belonging to the roller 12 is inserted one into another and each of them carries an appropriate series of roller needles, whereby the inclination sections are foreseen in the outer ring.
  • the two overrunning clutches 22 of rollers 12 bound to a common shaft 11 thus work in the same direction of rotation.
  • Figs. 1 through 6 of the drawing represent a state of a skateboard which is neutral with respect to the footboard 1 and is balanced with respect to the spring 28.
  • the four toothed racks 19 are forced upwards to the footboard 1 under the influence of the returning forces of the springs 28.
  • Fig. 7 schematically represents a state of a skateboard, which corresponds to a footboard 1 tilted to one of two limiting positions by force
  • Fig. 8 representing a state corresponding to tilting thereof into another limiting position.
  • the two springs 28 referring to the toothed racks 19, which are pushed down by the footboard 1, are then tightened (stressed), the other ones are then slack (loose).
  • the states of Figs. 7-8 mean negotiation of curves by the skateboard to one or the other direction.
  • Fig. 7 comprises three plane coordinate systems bound to the swinging axis O of the footboard 1.
  • the x-y system denotes the position of the footboard 1 when riding straight, the x'-y' system denoting the position thereof at extreme turning to one direction (an analogous position as to extreme turning to the other direction being represented in Fig. 8), and the x''-y'' system denoting an optional intermediary position of turning the skateboard, i.e. slight turning.
  • Arched arrows A added to the ordinate planes y, y', y'' in Fig. 7 indicate the possibility of performing the swinging of the footboard with respect to the respective ordinate planes in the course of riding on a skateboard, with the amplitude of swinging each reasonably measured off.
  • gearbox 9 is unavoidably embodied as a "light" one, is actually an obvious accompanying feature of the concept as set forth above. Having provided both roller shafts 11 with gearboxes 9, which means that the driving load is every time divided to two gearboxes 9, the skateboard as a whole meets the requirements regarding solidity, typical for articles of this type.
  • skateboard By the skateboard according to the invention possibilities are given to start riding either by pushing off the ground (similarly to skateboards without a driving mechanism) or by treading on the footboard and starting swinging of the footboard of the skateboard.
  • the toothed rack of the gearbox 10 belonging to the same roller shaft 11 follows the lifting of the footboard of the skateboard under the influence of the force of unwinding the respective spring.
  • the connection of the shaft 14 and the gear 21 of the gearbox 10 is broken by means of the overrunning clutch.
  • overrunning clutches 30 are also necessary for riding a skateboard backwards, in that case without engaging the gearboxes.
  • each toothed rack 19 performs a motion (Fig. 8) composed of a straight, radial component R created by tilting the footboard 1 as such, i.e. swinging the footboard 1 around the longitudinal axis O, and also composed of a circular component C created at swinging the substructure assembly 2, 3 to perform turning, i.e. at swinging around the vertical main axis of the suspension 4, 5.
  • a motion Fig. 8
  • a straight, radial component R created by tilting the footboard 1 as such i.e. swinging the footboard 1 around the longitudinal axis O
  • a circular component C created at swinging the substructure assembly 2, 3 to perform turning, i.e. at swinging around the vertical main axis of the suspension 4, 5.
  • a ball bearing 31 known per se, not represented in the drawing.

Landscapes

  • Motorcycle And Bicycle Frame (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Toys (AREA)
EP92103162A 1992-02-24 1992-02-25 Method of manufacturing a self-propelled physical skateboard Expired - Lifetime EP0558768B1 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
AT92103162T ATE133347T1 (de) 1992-02-25 1992-02-25 Fabrikationsverfahren eines rollbretts mit körperlichen antrieb
EP92103162A EP0558768B1 (en) 1992-02-25 1992-02-25 Method of manufacturing a self-propelled physical skateboard
DE69207890T DE69207890T2 (de) 1992-02-25 1992-02-25 Fabrikationsverfahren eines Rollbretts mit körperlichen Antrieb
ES92103162T ES2085506T3 (es) 1992-02-25 1992-02-25 Procedimiento de fabricacion de un monopatin autopropulsado fisicamente.
DK92103162.1T DK0558768T3 (da) 1992-02-25 1992-02-25 Fremgangsmåde til fremstilling af et fysisk fremdrevet rullebræt
CA002063916A CA2063916C (en) 1992-02-25 1992-03-25 Method of providing a self-propelled physical skateboard/rider-system, and skateboard for realizing the method
AU13198/92A AU653995B2 (en) 1992-02-25 1992-03-25 Method of providing a self-propelled physical skateboard/rider-system, and skateboard for realizing the method
IL10412792A IL104127A (en) 1992-02-25 1992-12-17 Method for moving a skateboard (self-propelled board) and a skateboard produced accordingly
HU9204024A HU215059B (hu) 1992-02-25 1992-12-18 Eljárás önhajtó fizikai gördeszkahajtó személyrendszer kialakítására és gördeszka az eljárás megvalósítására
SK3838-92A SK383892A3 (en) 1992-02-25 1992-12-22 Method of creating of physical system skateboard/rider with own drive and skateboard for realization of this method
CS923838A CZ283741B6 (cs) 1992-02-25 1992-12-22 Způsob vytvoření fyzikálního systému skateboard/ jezdec s vlastním pohonem a skateboard pro realizaci tohoto způsobu
JP4347252A JPH0639077A (ja) 1992-02-25 1992-12-25 自動推進物理的スケートボード／乗手装置を構成する方法および装置
US08/069,651 US5280935A (en) 1992-02-24 1993-06-01 Self-propelled skateboard

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP92103162A EP0558768B1 (en) 1992-02-25 1992-02-25 Method of manufacturing a self-propelled physical skateboard
CA002063916A CA2063916C (en) 1992-02-25 1992-03-25 Method of providing a self-propelled physical skateboard/rider-system, and skateboard for realizing the method

Publications (2)

Publication Number Publication Date
EP0558768A1 EP0558768A1 (en) 1993-09-08
EP0558768B1 true EP0558768B1 (en) 1996-01-24

Family

ID=25675046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92103162A Expired - Lifetime EP0558768B1 (en) 1992-02-24 1992-02-25 Method of manufacturing a self-propelled physical skateboard

Country Status (12)

Country Link
EP (1) EP0558768B1 (cs)
JP (1) JPH0639077A (cs)
AT (1) ATE133347T1 (cs)
AU (1) AU653995B2 (cs)
CA (1) CA2063916C (cs)
CZ (1) CZ283741B6 (cs)
DE (1) DE69207890T2 (cs)
DK (1) DK0558768T3 (cs)
ES (1) ES2085506T3 (cs)
HU (1) HU215059B (cs)
IL (1) IL104127A (cs)
SK (1) SK383892A3 (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000278C2 (en) * 1995-05-02 1996-11-05 Rudolph Arthur Marinu Kooijman Skateboard drive mechanism
DE10035296B4 (de) * 2000-07-18 2006-08-24 Bertiller, Marco Sport- und Transportgerät
KR20020068109A (ko) * 2001-02-20 2002-08-27 이순근 절첩식 소형 자전거
CN110510045A (zh) * 2019-09-24 2019-11-29 黄文胜 行走装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE193653C (cs) *
US1364471A (en) * 1920-04-20 1921-01-04 Eugene A Ameli Vehicle toy
US1535950A (en) * 1924-09-29 1925-04-28 Edward J Schramke Vehicle
US1784761A (en) * 1930-04-10 1930-12-09 Jerry T Smith Roller skate
DE3315856A1 (de) * 1983-04-30 1984-10-31 Rudolf 2820 Bremen Brzoska Fersentretantrieb fuer rollschuhe, roller und fahrraeder
FR2666780A1 (fr) * 1990-09-19 1992-03-20 Mariet Alain Procede permettant de diriger un vehicule par inclinaison a droite ou a gauche de son module directeur par rapport a son chassis porteur.

Also Published As

Publication number Publication date
DK0558768T3 (da) 1996-06-03
AU653995B2 (en) 1994-10-20
HUT67621A (en) 1995-04-28
CZ383892A3 (en) 1994-03-16
CA2063916A1 (en) 1993-09-26
JPH0639077A (ja) 1994-02-15
DE69207890D1 (de) 1996-03-07
HU215059B (hu) 1998-09-28
ATE133347T1 (de) 1996-02-15
DE69207890T2 (de) 1996-09-19
CZ283741B6 (cs) 1998-06-17
HU9204024D0 (en) 1993-04-28
SK383892A3 (en) 1995-06-07
CA2063916C (en) 1996-06-04
EP0558768A1 (en) 1993-09-08
IL104127A (en) 1996-07-23
AU1319892A (en) 1993-10-07
ES2085506T3 (es) 1996-06-01

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