EP0809587A1 - Conversion kit for a two-wheeled scooter - Google Patents

Conversion kit for a two-wheeled scooter

Info

Publication number
EP0809587A1
EP0809587A1 EP96937319A EP96937319A EP0809587A1 EP 0809587 A1 EP0809587 A1 EP 0809587A1 EP 96937319 A EP96937319 A EP 96937319A EP 96937319 A EP96937319 A EP 96937319A EP 0809587 A1 EP0809587 A1 EP 0809587A1
Authority
EP
European Patent Office
Prior art keywords
auxiliary
rocker
conversion kit
frame
rocker arm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP96937319A
Other languages
German (de)
French (fr)
Inventor
Siegfried Wörner
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
Application filed by Individual filed Critical Individual
Publication of EP0809587A1 publication Critical patent/EP0809587A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K13/00—Cycles convertible to, or transformable into, other types of cycles or land vehicle
    • B62K13/04—Cycles convertible to, or transformable into, other types of cycles or land vehicle to a tricycle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/02—Tricycles
    • B62K5/023—Tricycles specially adapted for disabled riders, e.g. personal mobility type vehicles with three wheels
    • B62K5/025—Tricycles specially adapted for disabled riders, e.g. personal mobility type vehicles with three wheels power-driven

Definitions

  • the invention relates to a conversion kit for a two-wheeled scooter according to the preamble of claim 1.
  • Two-wheeled scooters have a swing arm in their end region, which is pivotably mounted on the scooter frame.
  • This rocker is supported at its free end by a spring strut on the roller frame.
  • This rocker carries the entire drive mechanism, consisting of a drive motor, possibly a gear and drive shaft, which supports the drive wheel.
  • Some driving skill is required to drive such a two-wheeled scooter, in particular when driving in curves and on uneven terrain.
  • the object is to provide a conversion kit which makes it possible to convert a two-wheeled scooter into a three-wheeled scooter.
  • Fig. 1 is a side view of a subframe
  • Fig. La is an end view of the subframe in the direction of arrow A of Figure 1;
  • Fig. 2 is a side view of a cross member
  • FIG. 2a shows an end view of the cross member in the direction of arrow A according to FIG. 2;
  • FIG. 3 shows a side view of an auxiliary rocker
  • ORIGINAL DOCUMENTS 3a shows an end view of the auxiliary rocker in the direction of arrow A according to FIG. 3;
  • Fig. 4 is a plan view of the conversion kit mounted on the scooter and
  • FIG. 5 shows a side view in the direction of arrow B according to FIG. 4.
  • roller frame 1 has two mounting holes 2, via which the rocker arm 3 is pivotally attached via bolts in the two-wheeled scooter.
  • This rocker 3 carries the motor 4 and the entire drive unit with the drive shaft 5, which carries the drive wheel 6.
  • a spring strut runs between the scooter frame 1 and the swing arm 3.
  • the conversion kit has an auxiliary frame 7 and an auxiliary rocker 8 and, if appropriate, a cross member 9.
  • the rocker arm 3 is removed from the frame 1 and the auxiliary frame 7 is fastened to the roller frame 1 by means of the screw bolts 10 via the fastening bores 2.
  • the auxiliary frame 7 has two tabs 11 provided with bores. The distance between the tabs 11 is chosen so that a screw connection with the existing mounting holes 2 of the roller frame is easily possible.
  • two further tabs 12 are provided, which are also provided with bores.
  • the rocker 3 can be attached to the subframe 7.
  • the distance between the tabs 12 is selected so that the rocker 3 can be pivotally attached to the subframe 7 by means of the bolt 13 without modifications.
  • the subframe has two further tabs 14 provided with holes.
  • the auxiliary rocker 8 can be pivotably attached to these tabs 14.
  • This rocker 8 supports at its free end an axis 16 which serves to support the third wheel 17.
  • the cross member 9 is fastened to the roller frame 1 parallel and at a distance from the auxiliary frame 7.
  • the cross member 9 each has two tabs 17 provided with bores.
  • the upper ends of two spring legs 19 are pivotally connected to the brackets 17 by a bolt 18, the lower ends of which are pivotally attached to the rocker arm 3 and to the auxiliary rocker arm 8 by bolts 20.
  • rocker arm 3 and auxiliary rocker arm 8 are pivotably mounted separately from one another about the bolts 13, 15 on the auxiliary frame 7 and are supported on the cross member 9 via the spring struts 19.
  • the wheel 6 is driven while the wheel 17 is free-running. It is also possible to drive the wheel 17 by a connection between the drive shaft 5 and the axle 16.
  • the cross member 9 connected to the roller frame 1 can be screwed or welded to this roller frame 1.
  • the bores which are used in a two-wheeled scooter to support the spring strut are preferably used to screw the cross member 9 to the frame 1.
  • the drive wheel 6 has a brake. It is also possible that the third wheel 17 is additionally provided with a brake.
  • the drive shaft 5 and the axis 16 preferably have the same distances from the longitudinal axis 21 of the roller.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Abstract

In order to convert a two-wheeled scooter into a three-wheeled scooter, an auxiliary frame (7) is provided which is secured to the scooter frame (1) in place of the rocker arm (3). The rocker arm (3), which supports the motor (4) and the drive wheel (6), is pivotably secured to this auxiliary frame (7) via a bolt (13). At its opposite end the auxiliary frame (7) supports an auxiliary rocker arm (8) via a bolt (15), the auxiliary rocker arm (8) supporting the third wheel of the three-wheeled scooter via an axle (16). The rocker arm (3) and the auxiliary rocker arm (8) are supported via shock-absorbing struts (19) on a cross-member (9) which is connected to the scooter frame (1).

Description

Umbausatz für einen Zweiradroller Conversion kit for a two-wheeled scooter
Die Erfindung betrifft einen Umbausatz für einen Zweiradroller nach dem Oberbe¬ griff des Anspruches 1.The invention relates to a conversion kit for a two-wheeled scooter according to the preamble of claim 1.
Zweiradroller weisen in ihrem Endbereich eine Schwinge auf, welche schwenkbar am Rollerrahmen gelagert ist. Diese Schwinge stützt sich an ihrem freien Ende über ein Federbein am Rollerrahmen ab. Diese Schwinge trägt den gesamten Antriebsmecha¬ nismus, bestehend aus Antriebsmotor, gegebenenfalls Getriebe und Antriebswelle, die das Antriebsrad lagert.Two-wheeled scooters have a swing arm in their end region, which is pivotably mounted on the scooter frame. This rocker is supported at its free end by a spring strut on the roller frame. This rocker carries the entire drive mechanism, consisting of a drive motor, possibly a gear and drive shaft, which supports the drive wheel.
Zum Fahren eines derartigen Zweiradrollers bedarf es einiges Fahrgeschickes, insbe¬ sondere beim Fahren in Kurven und auf unebenem Gelände.Some driving skill is required to drive such a two-wheeled scooter, in particular when driving in curves and on uneven terrain.
Es besteht die Aufgabe, einen Umbausatz bereitzustellen, der es ermöglicht, einen Zweiradroller in einen Dreiradroller umzubauen.The object is to provide a conversion kit which makes it possible to convert a two-wheeled scooter into a three-wheeled scooter.
Gelöst wird diese Aufgabe mit den Merkmalen des Anspruches 1. Vorteilhafte Aus¬ gestaltungen sind den Unteransprüchen entnehmbar.This object is achieved with the features of claim 1. Advantageous embodiments can be found in the subclaims.
Ausführungsbeispiele werden nachfolgend an Hand der Zeichnungen näher erläutert. Es zeigen:Exemplary embodiments are explained in more detail below with reference to the drawings. Show it:
Fig. 1 eine Seitenansicht eines Hilfsrahmens;Fig. 1 is a side view of a subframe;
Fig. la eine stirnseitige Ansicht des Hilfsrahmens in Richtung des Pfeiles A nach Figur 1;Fig. La is an end view of the subframe in the direction of arrow A of Figure 1;
Fig. 2 eine Seitenansicht eines Querträgers;Fig. 2 is a side view of a cross member;
Fig. 2a eine stirnseitige Ansicht des Querträgers in Pfeilrichtung A nach Figur 2;2a shows an end view of the cross member in the direction of arrow A according to FIG. 2;
Fig. 3 eine Seitenansicht einer Hilfsschwinge;3 shows a side view of an auxiliary rocker;
ORIGINAL UNTERLAGEN Fig. 3a eine stirnseitige Ansicht der Hilfsschwinge in Pfeilrichtung A nach Figur 3;ORIGINAL DOCUMENTS 3a shows an end view of the auxiliary rocker in the direction of arrow A according to FIG. 3;
Fig. 4 eine Draufsicht auf den am Roller montierten Umbausatz undFig. 4 is a plan view of the conversion kit mounted on the scooter and
Fig. 5 eine Seitenansicht in Pfeilrichtung B nach Figur 4.5 shows a side view in the direction of arrow B according to FIG. 4.
In den Figuren 4 und 5 ist der Rollerrahmen der besseren Übersichtlichkeit halber schraffiert dargestellt. Dieser Rollerrahmen 1 weist zwei Befestigungsbohrungen 2 auf, über welche über Bolzen beim Zweiradroller die Schwinge 3 schwenkbar befestigt ist. Diese Schwinge 3 trägt den Motor 4 und die gesamte Antriebseinheit mit der Antriebswelle 5, die das Antriebsrad 6 trägt. Im hinteren Bereich verläuft bei dem Zweiradroller zwischen dem Rollerrahmen 1 und der Schwinge 3 ein Federbein.4 and 5, the roller frame is shown hatched for the sake of clarity. This roller frame 1 has two mounting holes 2, via which the rocker arm 3 is pivotally attached via bolts in the two-wheeled scooter. This rocker 3 carries the motor 4 and the entire drive unit with the drive shaft 5, which carries the drive wheel 6. In the rear area of the two-wheeled scooter, a spring strut runs between the scooter frame 1 and the swing arm 3.
Zum Umbau des Zweiradrollers in einen Dreiradroller weist der Umbausatz einen Hilfsrahmen 7 und eine Hilfsschwinge 8 sowie gegebenenfalls einen Querträger 9 auf.To convert the two-wheeled scooter into a three-wheeled scooter, the conversion kit has an auxiliary frame 7 and an auxiliary rocker 8 and, if appropriate, a cross member 9.
Zum Umbau wird die Schwinge 3 vom Rahmen 1 entfernt und der Hilfsrahmen 7 mittels der Schraubbolzen 10 über die Befestigungsbohrungen 2 am Rollerrahmen 1 befestigt. Zu diesem Zweck weist der Hilfsrahmen 7 zwei mit Bohrungen versehene Laschen 11 auf. Der Abstand zwischen den Laschen 11 ist so gewählt, daß eine Verschraubung mit den vorhandenen Befestigungsbohrungen 2 des Rollerrahmens ohne weiteres möglich ist.For conversion, the rocker arm 3 is removed from the frame 1 and the auxiliary frame 7 is fastened to the roller frame 1 by means of the screw bolts 10 via the fastening bores 2. For this purpose, the auxiliary frame 7 has two tabs 11 provided with bores. The distance between the tabs 11 is chosen so that a screw connection with the existing mounting holes 2 of the roller frame is easily possible.
In seinem einen Endbereich sind zwei weitere Laschen 12 vorgesehen, die ebenfalls mit Bohrungen versehen sind. Mittels dieser Laschen 12 und einem Bolzen 13 ist die Schwinge 3 am Hilfsrahmen 7 befestigbar. Der Abstand zwischen den Laschen 12 ist so gewählt, daß die Schwinge 3 ohne Modifikationen mittels des Bolzens 13 schwenkbar am Hilfsrahmen 7 befestigbar ist.In its one end region, two further tabs 12 are provided, which are also provided with bores. By means of these tabs 12 and a bolt 13, the rocker 3 can be attached to the subframe 7. The distance between the tabs 12 is selected so that the rocker 3 can be pivotally attached to the subframe 7 by means of the bolt 13 without modifications.
Der Hilfsrahmen weist an seinem gegenüberliegenden Ende zwei weitere mit Boh¬ rungen versehene Laschen 14 auf. Mittels eines Bolzens 15 ist an diesen Laschen 14 die Hilfsschwinge 8 schwenkbar befestigbar. Diese Schwinge 8 lagert an ihrem freien Ende eine Achse 16, welche zur Lagerung des dritten Rads 17 dient. Parallel und im Abstand zum Hilfsrahmen 7 ist der Querträger 9 am Rollerrahmen 1 befestigt. An seinen Enden weist der Querträger 9 jeweils zwei mit Bohrungen versehene Laschen 17 auf. Über je einen Bolzen 18 sind die oberen Enden zweier Fe¬ derbeine 19 mit den Laschen 17 schwenkbar verbunden, deren untere Enden einmal an der Schwinge 3 zum anderen an der Hilfsschwinge 8 über Bolzen 20 schwenkbar befestigt sind.At its opposite end, the subframe has two further tabs 14 provided with holes. By means of a bolt 15, the auxiliary rocker 8 can be pivotably attached to these tabs 14. This rocker 8 supports at its free end an axis 16 which serves to support the third wheel 17. The cross member 9 is fastened to the roller frame 1 parallel and at a distance from the auxiliary frame 7. At its ends, the cross member 9 each has two tabs 17 provided with bores. The upper ends of two spring legs 19 are pivotally connected to the brackets 17 by a bolt 18, the lower ends of which are pivotally attached to the rocker arm 3 and to the auxiliary rocker arm 8 by bolts 20.
Im dargestellten Ausführungsbeispiel sind Schwinge 3 und Hilfsschwinge 8 getrennt voneinander um die Bolzen 13, 15 am Hilfsrahmen 7 schwenkbar gelagert und stützen sich über die Federbeine 19 am Querträger 9 ab.In the illustrated embodiment, rocker arm 3 and auxiliary rocker arm 8 are pivotably mounted separately from one another about the bolts 13, 15 on the auxiliary frame 7 and are supported on the cross member 9 via the spring struts 19.
Alternativ dazu ist es auch möglich, die Schwinge 3 mit der Hilfsschwinge 8 über eine Querachse starr zu verbinden und zwischen der Querachse und dem Rollerrahmen nur ein Federbein vorzusehen.Alternatively, it is also possible to rigidly connect the rocker 3 to the auxiliary rocker 8 via a transverse axis and to provide only one spring strut between the transverse axis and the roller frame.
Im gezeigten Ausführungsbeispiel wird das Rad 6 angetrieben, während das Rad 17 freilaufend ist. Es ist auch möglich durch eine Verbindung zwischen der Antriebs¬ welle 5 und der Achse 16 das Rad 17 anzutreiben.In the exemplary embodiment shown, the wheel 6 is driven while the wheel 17 is free-running. It is also possible to drive the wheel 17 by a connection between the drive shaft 5 and the axle 16.
Der mit dem Rollerrahmen 1 verbundene Querträger 9 kann mit diesem Rollerrah¬ men 1 verschraubt oder verschweißt sein. Im Falle der Verschraubung dienen dieje¬ nigen Bohrungen, die bei einem Zweiradroller zur Lagerung des Federbeins dienen, bevorzugt zur Verschraubung des Querträgers 9 am Rahmen 1.The cross member 9 connected to the roller frame 1 can be screwed or welded to this roller frame 1. In the case of screwing, the bores which are used in a two-wheeled scooter to support the spring strut are preferably used to screw the cross member 9 to the frame 1.
Im gezeigten Ausführungsbeispiel weist das Antriebsrad 6 eine Bremse auf. Es ist auch möglich, daß zusätzlich das dritte Rad 17 mit einer Bremse versehen ist. Die Antriebswelle 5 und die Achse 16 weisen bevorzugt gleiche Abstände zur Rol¬ lerlängsachse 21 auf. In the exemplary embodiment shown, the drive wheel 6 has a brake. It is also possible that the third wheel 17 is additionally provided with a brake. The drive shaft 5 and the axis 16 preferably have the same distances from the longitudinal axis 21 of the roller.

Claims

Patentansprüche claims
1. Umbausatz für einen Zweiradroller, bei dem der Roller eine Schwinge (3) auf¬ weist, die den Antriebsmotor (4) trägt und das Antriebsrad (6) lagert und die an ihrem Endbereich durch ein Federbein (19) abgestützt ist, dadurch gekennzeichnet, daß der Umbausatz einen Hilfsrahmen (7) und eine Hilfs¬ schwinge (8) aufweist, der Hilfsrahmen (7) in seinem mittleren Bereich er¬ ste Befestigungsstellen zur Befestigung am Rollerrahmen (1) quer zur Rol¬ lerlängsachse (21), in seinem einen Endbereich zweite Befestigungsstellen zur schwenkbaren Befestigung der Schwinge (3) und in seinem gegenüberliegenden Endbereich dritte Befestigungsstellen zur schwenkbaren Befestigung der Hilfs¬ schwinge (8) aufweist, hierbei Schwinge (3) und Hilfsschwinge (8) parallel zur Rollerlängsachse (21) verlaufen und die Hilfsschwinge (8) in ihrem Endbereich eine Achse (16) zur Aufnahme eines dritten Rads (17) trägt.1. conversion kit for a two-wheeled scooter, in which the scooter has a swing arm (3) which carries the drive motor (4) and supports the drive wheel (6) and which is supported at its end region by a spring strut (19), characterized that the conversion kit has an auxiliary frame (7) and an auxiliary rocker (8), the auxiliary frame (7) in its central region has first attachment points for attachment to the roller frame (1) transversely to the longitudinal axis (21) of the roller, in its has an end region of second fastening points for the pivotable fastening of the rocker arm (3) and in its opposite end region third fastening points for the pivotable fastening of the auxiliary rocker arm (8), here the rocker arm (3) and auxiliary rocker arm (8) run parallel to the roller longitudinal axis (21) and the Auxiliary rocker (8) carries in its end region an axle (16) for receiving a third wheel (17).
2. Umbausatz nach Anspruch 1, dadurch gekennzeichnet, daß er weiterhin einen Querträger (9) aufweist, der am Rollerrahmen (1) parallel und im Ab¬ stand zum Hilfsrahmen (7) befestigbar ist und zwischen den Endbereichen des Querträgers (9) und der Schwinge (3) und der Hilfsschwinge (8) je ein Federbein (19) befestigbar ist.2. Conversion kit according to claim 1, characterized in that it further comprises a cross member (9) which can be fastened to the roller frame (1) parallel and at a distance from the auxiliary frame (7) and between the end regions of the cross member (9) and the Swing arm (3) and the auxiliary swing arm (8) each a shock absorber (19) can be attached.
3. Umbausatz nach Anspruch 1, dadurch gekennzeichnet, daß die Schwinge (3) und die Hilfsschwinge (8) durch eine Querachse miteinander verbindbar sind und zwischen der Querachse und dem Rollerrahmen (1) ein Federbein (19) befestigbar ist.3. conversion kit according to claim 1, characterized in that the rocker (3) and the auxiliary rocker (8) can be connected to each other by a transverse axis and between the transverse axis and the roller frame (1) a shock absorber (19) can be fastened.
4. Umbausatz nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die ersten Befestigungsstellen aus Laschen (11) bestehen, die mit dem Rollerrahmen (1) an den Stellen verbindbar sind, an denen die Schwinge (3) bei einem Zweiradroller befestigbar ist. 4. Conversion kit according to one of claims 1 to 3, characterized in that the first fastening points consist of tabs (11) which can be connected to the roller frame (1) at the points at which the rocker arm (3) can be fastened to a two-wheeled scooter .
5. Umbausatz nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die zweiten Befestigungsstellen aus Laschen (12) bestehen, zwischen denen die Schwinge (3) mittels eines Bolzens (13) schwenkbar befestigbar ist.5. Conversion kit according to one of claims 1 to 4, characterized in that the second fastening points consist of tabs (12), between which the rocker (3) can be pivotably fastened by means of a bolt (13).
6. Umbausatz nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die dritten Befestigungsstellen aus Laschen (14) bestehen, zwischen denen die Hilfsschwinge (8) mittels eines Bolzens (15) befestigbar ist.6. conversion kit according to one of claims 1 to 5, characterized in that the third fastening points consist of tabs (14), between which the auxiliary rocker (8) can be fastened by means of a bolt (15).
7. Umbausatz nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die das Antriebsrad (6) lagernde Welle (5) und die Achse (16) zur Auf¬ nahme des dritten Rads (17) in etwa gleichem Abstand zur Rollerlängsachse (21) angeordnet sind. 7. conversion kit according to one of claims 1 to 6, characterized in that the drive wheel (6) bearing shaft (5) and the axis (16) for receiving the third wheel (17) at approximately the same distance from the longitudinal axis of the roller (21 ) are arranged.
EP96937319A 1995-10-31 1996-10-31 Conversion kit for a two-wheeled scooter Withdrawn EP0809587A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1995140578 DE19540578C2 (en) 1995-10-31 1995-10-31 Kit for converting a two-wheeler into a tricycle
DE19540578 1995-10-31
PCT/EP1996/004744 WO1997016339A1 (en) 1995-10-31 1996-10-31 Conversion kit for a two-wheeled scooter

Publications (1)

Publication Number Publication Date
EP0809587A1 true EP0809587A1 (en) 1997-12-03

Family

ID=7776285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96937319A Withdrawn EP0809587A1 (en) 1995-10-31 1996-10-31 Conversion kit for a two-wheeled scooter

Country Status (3)

Country Link
EP (1) EP0809587A1 (en)
DE (1) DE19540578C2 (en)
WO (1) WO1997016339A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4648529B2 (en) 2000-09-21 2011-03-09 本田技研工業株式会社 vehicle
KR100583430B1 (en) * 2004-03-08 2006-05-24 양경숙 Wheel-exchangeable scooter
JP2018093823A (en) 2016-12-15 2018-06-21 Ｈｅａｒｔｓｅｅｄ株式会社 Undifferentiated stem cell removing agent and method of removing undifferentiated stem cells

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CH98009A (en) * 1922-02-15 1923-03-16 Guerne Mme Lina Device for transforming a bicycle into a motor tricycle.
DE817562C (en) * 1949-03-23 1951-10-18 Ferdinand Kaiser Frame for a two-wheeler that can be converted into a tricycle
US4159752A (en) * 1976-10-14 1979-07-03 Yamaha Hatsudoki Kabushiki Kaisha Tricycle
US4325449A (en) * 1980-03-27 1982-04-20 Addio Robert S D All-terrain motorcycle attachment device
DE3611417A1 (en) * 1986-04-05 1987-10-22 Adolf Dipl Ing Fichtner Scooter with two rear wheels swinging in opposite directions
DE4103713C2 (en) * 1991-02-07 2001-10-31 Simson Gewerbepark Gmbh Mounting frame with wheels
DE9113351U1 (en) * 1991-10-23 1993-05-27 Gesellschaft zur Förderung berufsspezifischer Ausbildung (GFBA) eV, 5300 Bonn Retrofit kit for converting a bicycle into a tricycle
EP0583532A1 (en) * 1992-08-20 1994-02-23 Nicolò Doveri Improved motorcycle structure
CA2117011C (en) * 1994-03-04 2002-07-23 John Lehman Swing arm assembly for use in converting a motorcycle into a tricycle

Non-Patent Citations (1)

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Title
See references of WO9716339A1 *

Also Published As

Publication number Publication date
WO1997016339A1 (en) 1997-05-09
DE19540578A1 (en) 1997-05-07
DE19540578C2 (en) 1998-12-17

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