EP1372564B1 - Handbetätigte antriebsvorrichtung für ein drei- oder mehrrad-fahrzeug - Google Patents

Handbetätigte antriebsvorrichtung für ein drei- oder mehrrad-fahrzeug Download PDF

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Publication number
EP1372564B1
EP1372564B1 EP02705670A EP02705670A EP1372564B1 EP 1372564 B1 EP1372564 B1 EP 1372564B1 EP 02705670 A EP02705670 A EP 02705670A EP 02705670 A EP02705670 A EP 02705670A EP 1372564 B1 EP1372564 B1 EP 1372564B1
Authority
EP
European Patent Office
Prior art keywords
lever
intermediate gears
main gear
tooth
vehicle
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
EP02705670A
Other languages
English (en)
French (fr)
Other versions
EP1372564A2 (de
Inventor
Mitja Cebulj
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.)
Cebulj Mitja
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Cebulj Mitja
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Publication date
Application filed by Cebulj Mitja filed Critical Cebulj Mitja
Publication of EP1372564A2 publication Critical patent/EP1372564A2/de
Application granted granted Critical
Publication of EP1372564B1 publication Critical patent/EP1372564B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • A61G5/021—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms
    • A61G5/022—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms acting on wheels, e.g. on tires or hand rims
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • A61G5/024—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular operating means
    • A61G5/025—Levers

Definitions

  • the invention refers to a manual driving mechanism for a three- or more wheel vehicle.
  • the mechanism referred to in this invention enables, by means of a circular hand-driven movement through detachable friction wheels and the corresponding construction elements, the driving wheel friction driving of three- or more-wheel vehicles, e,g. a tricycle, a wheelchair and similar vehicles, their forwards-backwards movement, stopping and blocking on the spot.
  • the invention has been classified as class B 62 M 1/14 of the International Patent Classification.
  • the technical problem successfully solved by the mechanism referred to in this invention involves such construction of the driving mechanism for a three- or more wheel vehicle that will provide for efficient manual driving of the vehicle forwards and backwards along with the possibility of its stopping.
  • the constructional solution of the new mechanism referred to in this invention shall also be simple to manufacture and suitable for subsequent mounting on any or on the already existing three or more-wheel vehicle.
  • the mechanism referred to in this invention will be shown on the example of a wheelchair, although the manual driving mechanism referred to in this invention is not limited to such vehicles.
  • the user can drive the wheelchair by directly pushing the rims that are fixed to the driving wheels. In this way the user can turn the wheelchair on the spot by turning one wheel with one hand in one direction and the other wheel into the opposite direction.
  • the bad side of such driving Is bad yield because upon the push-off of the driving rim the user must leave the rim and return his hand into previous position, which means that during one half of the whole hand movement the user does not perform any driving.
  • Another bad side of such driving is an inconvenient angle of the user's wrist and of his whole arm because at the maximum physical strain it only allows for the development of a small portion of the force that the arm could develop at a more favourable angle from the physiological point of view.
  • Another type of wheelchairs are double-hand lever-driven wheelchairs, driven by the user through alternate pushing and pulling of high mounted driving levers that transform linear movements into the driving wheel rotation through an eccentrically fixed and longitudinally mounted girder with rigid and movable bearings.
  • a positive feature of such driving mechanism lies in greater yield when driven on a flat surface; on the other hand, such wheelchair shows worse maneuvering properties and driving up a hill and on a worse ground is difficult.
  • the mechanically defined length of the driving lever movement can become tiresome for the user after longer use.
  • the driving mechanism where the user pushes, with his hands stretched forwards, the two driving levers similar to those of a bicycle, connected via a chain, strap or similar medium to the lower driving & steering wheel of the wheelchair (e.g. after DE 198 48 634 ), is of very complicated construction and driving up the hill is practically impossible.
  • Document FR 2 563 170 discloses another example of driving mechanism.
  • the invention involves the manual driving mechanism for a three- or more wheel vehicle, according to the appended claims such as to enable transmission of circular hand-driven movement through gear connection of the main gear and the intermediate gears, as well as via friction wheels to the driven wheel of the vehicle with appropriate shift ratio and simple driving control forwards or backwards along with the possibility of braking and sudden stopping and/or blocking of the driven wheel.
  • the mechanism is constructed in the way that it can be mounted and/or built on to the existing vehicle, e.g. a wheelchair following a simple intervention.
  • the manual driving mechanism for a three- or more wheel vehicle is contained in the housing.
  • A and essentially consists of the main gear 1 in the grip with two intermediate gears 2,2', whereby each of the intermediate gears 2,2' is provided with friction wheels 2a, 2b and 2a', 2b', fixed on both sides of each of said intermediate gears 2,2'.
  • a lever B with a handle is stiffly connected with the axle x of the main gear 1, such as shown for clarity reasons in Fig. 2 .
  • the intermediate gears 2,2 are reciprocally connected with the friction wheels 2a, 2b and 2a', 2b' to the supports 3,3' that enable, on one hand, the position of both intermediate gears 2,2' in the grip with the main gear 1, whereas on the other hand by moving the support 3.3' in the axle x it is possible to determine the pair of the friction wheels 2a, 2b or 2a', 2b' that is currently approached to the driven wheel 4. Furthermore, this determines the direction of the driven wheel 4 rotation and in its turn the direction of the movement of the vehicle.
  • the main gear 1 and the supports 3,3' with the intermediate gears 2,2' and the friction wheels 2a, 2b and 2a', 2b' are stiffly fixed by means of a main support 5 to a carrier plate 6 of the mechanism referred to in this Invention.
  • the support 3 and the main support 5 also bear the construction elements determining the direction of rotation and blocking the driven wheels 4,
  • the a lever 7 for retroactive movement is supported a by the main support 5 and provided with a limiting button 8, while the lever 7 itself has an extension 7a and the support 3 is provided with a pointer 9 and with a shutter 10.
  • the brake rail 11 is on one end provided with a bearing in axle 14 on the carrier plate 6 and on the other end a is fitted with a tooth 11a, On the brake rail, there is also clamped on one end the snap element 12, provided with a tooth 12a,
  • Figure 1 shows the position of the hand-operated mechanism, such as referred to in this invention, as a side view at the movement forwards. Due to the rotation of the driving lever B, the main gear 1 rotates in the direction indicated by the arrow a. At the rotation of the lever B in the direction of the arrow a and in the lever position 7, such as shown in Fig. 1 , the two pairs of friction wheels 2a,2b and lean against the driven wheel 4 due to the supports 3,3', clamped into the axle in a rotating manner. Due to the gear grip the intermediate gears 2, 2' and in turn the pair of friction wheels 2a,2b and 2a',2b' turn in the direction indicated by the arrows b and c.
  • the lever 7 is in such position that the limiting button 8 makes contact with the pointer 9, the shutter 10 makes contact with the tooth 11 a of the brake rail 11, on one end provided with a bearing In the axle 14. Therefore, in spite of the operation of the spring 13, the tooth 12a of the snap element 12 does not fit into the indentation of the main gear 1.
  • the pairs of friction wheels 2a,2b and 2a',2b' are pressed against the driven wheel 4, which results in the movement of the driven wheel 4 in the direction indicated by the arrow d and marked as the forward direction.
  • Fig. 3 shows the position of the manual driving mechanism referred to in this invention as a side view at reverse ride. Due to the rotation of the driving lever B. Due to the rotation of the driving lever B, the main gear 1 rotates in the direction indicated by the arrow e. At the rotation of the lever B in the direction of the arrow e and in the lever position 7 for reverse ride, such as shown in Fig. 3 , the two pairs of friction wheels 2a',2b' lean against the driven wheel 4 due to the supports 3,3', clamped into the axle In a rotating manner.
  • the support 3, bearing the stiffly fixed shutter 10 moves as well. Due to the movement of the support 3, the tooth 11 a of the brake rail 11, on one end provided with a bearing In the axle 14, slips from the position on the support 3, while due to the operation of the spring 13 the tooth 12a of the snap element 12 gets caught between the teeth of the gear 1.
  • both driven wheels of a vehicle can be successfully steered during the ride forwards and backwards; they also allow for braking and/or stopping on the spot and/or braking while riding downhill.
  • the manual driving mechanism of a three-or more-wheel vehicle referred to in this invention allows for simple mounting: and removal, without any additional connections or transformation of the vehicle.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Structure Of Transmissions (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
  • Gear Transmission (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Claims (2)

  1. Handbetätigte Antriebsvorrichtung für ein Drei- oder Mehrrad-Fahrzeug mit einem Gehäuse (A), das ein mit einer Achse (x) versehenen Hauptzahnrad (1) und zwei Zwischenzahnräder (2, 2') umfasst, wobei das Hauptzahnrad (1) in Eingriff mit den zwei Zwischenzahnrädern (2, 2') steht
    dadurch gekennzeichnet, dass
    die Träger in der Achse (x) des Hauptzahnrades (1) beweglich eingeklemmt sind, worin jedes Zwischenrad (2) mit seitlich befestigten Reibrädern (2a, 2b) und (2a', 2b'), die an beiden Seiten von jeweils einem Zwischenrad (2) befestigt sind, vorgesehen ist;
    und
    die genannten Zwischenräder (2, 2') sind miteinander auf die Träger (3, 3') befestigt, und
    worin das Hauptzahnrad (1) und die Träger (3, 3') mit den Zwischenzahnrädern (2, 2') mit den Reibrädern (2a, 2b, 2a', 2b') mittels eines Hauptträgers (5) an eine Tragplatte (6) steif befestigt sind, und
    worin ein Antriebshebel (B) mit einem außerhalb des Gehäuses (A) liegenden Griff steif mit der Achse (x) des Hauptzahnrades (1) befestigt ist.
  2. Handbetätigte Antriebsvorrichtung für ein Drei- oder Mehrrad-Fahrzeug nach Anspruch 1,
    dadurch gekennzeichnet, dass
    der Rückfahrthebel (7) am Hauptträger (5) befestigt ist, worin der genannte Hebel mit einem Anschlagknopf (8) sowie einer Verlängerung (7a) versehen ist;
    und dass
    der Träger (3) mit einem Lappen (9) und einer Blende (10) vorgesehen ist, worin ein Bremsschlitten (11) an einer Seite in der Achse (14) an der Tragplatte (6) gelagert ist, und an der anderen Seite mit einem Zahn (11a) und mit einem einen Zahn (12a) aufweisenden Schnappelement (12) vorgesehen ist, so dass
    der Anschlagknopf (8) und der Lappen (9) derart angebracht sind, dass ihr gegenseitiges Aufliegen in Abhängigkeit von der Lage des Hebels (7) ermöglicht ist, und
    die Blende ist derart angebracht, dass sie in einer spezifischen Lage des Hebels (7) mit der Zahn (11a) des Bremsschlittens (11) eingreift, so dass während der Vorwärts- und Rückwärtsfahrt des Fahrzeugs der Zahn (12a) des Schnappelements (12) nicht in die Vertiefung des Hauptzahnrades (1) einpasst, und so dass
    während des Bremsens der Zahn (12a) des Schnappelements (12) zwischen die Zahnradzähnen gelangt.
EP02705670A 2001-03-20 2002-03-20 Handbetätigte antriebsvorrichtung für ein drei- oder mehrrad-fahrzeug Expired - Lifetime EP1372564B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SI200100075 2001-03-20
SI200100075A SI20467B (sl) 2001-03-20 2001-03-20 Mehanizem za ročni pogon tri ali večkolesnega vozila
PCT/SI2002/000008 WO2002074219A2 (en) 2001-03-20 2002-03-20 Manual driving mechanism for a three- or more wheel vehicle

Publications (2)

Publication Number Publication Date
EP1372564A2 EP1372564A2 (de) 2004-01-02
EP1372564B1 true EP1372564B1 (de) 2009-11-11

Family

ID=20432855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02705670A Expired - Lifetime EP1372564B1 (de) 2001-03-20 2002-03-20 Handbetätigte antriebsvorrichtung für ein drei- oder mehrrad-fahrzeug

Country Status (6)

Country Link
EP (1) EP1372564B1 (de)
AT (1) ATE447919T1 (de)
AU (1) AU2002239217A1 (de)
DE (1) DE60234321D1 (de)
SI (1) SI20467B (de)
WO (1) WO2002074219A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10124666B2 (en) * 2015-09-08 2018-11-13 High Stone Technologies, LLC Wheelchair drive boost

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2563170A1 (fr) * 1984-04-20 1985-10-25 Dufresne Bernard Dispositif auxiliaire pour la propulsion et la direction des fauteuils roulants d'invalides
US5037120A (en) * 1989-12-26 1991-08-06 Parisi Paul J Wheelchair manual drive mechanism
DE19540562A1 (de) * 1995-10-31 1997-08-21 Alexander Stuermer Antriebshilfe für Rollstühle
US5988661A (en) 1997-02-27 1999-11-23 Garfinkle; Moishe Drive assistance device for ordinary wheelchairs
US6047980A (en) 1997-06-18 2000-04-11 University Of Washington Two-speed manual wheelchair
DE19848634C2 (de) 1998-09-22 2000-10-26 Elisabeth Maria Wolf Rollstuhl mit einer Antriebs- und Lenkvorrichtung

Also Published As

Publication number Publication date
AU2002239217A1 (en) 2002-10-03
ATE447919T1 (de) 2009-11-15
EP1372564A2 (de) 2004-01-02
SI20467B (sl) 2010-05-31
WO2002074219A2 (en) 2002-09-26
SI20467A (sl) 2001-08-31
DE60234321D1 (de) 2009-12-24
WO2002074219A3 (en) 2003-01-03

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