CA2755044A1 - Retractable an improved snowmobile wheels - Google Patents

Retractable an improved snowmobile wheels Download PDF

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Publication number
CA2755044A1
CA2755044A1 CA 2755044 CA2755044A CA2755044A1 CA 2755044 A1 CA2755044 A1 CA 2755044A1 CA 2755044 CA2755044 CA 2755044 CA 2755044 A CA2755044 A CA 2755044A CA 2755044 A1 CA2755044 A1 CA 2755044A1
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Canada
Prior art keywords
ski
wheel
axle
arm
wheels
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Granted
Application number
CA 2755044
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French (fr)
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CA2755044C (en
Inventor
Ghislain Lachance
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Gestion Jmy Inc
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Individual
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Priority claimed from CA2724925A external-priority patent/CA2724925C/en
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Priority to CA2755044A priority Critical patent/CA2755044C/en
Publication of CA2755044A1 publication Critical patent/CA2755044A1/en
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M27/00—Propulsion devices for sledges or the like
    • B62M27/02—Propulsion devices for sledges or the like power driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B13/00—Sledges with runners
    • B62B13/18—Vehicles having alternatively-usable runners and wheels or other transport means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M27/00—Propulsion devices for sledges or the like
    • B62M27/02—Propulsion devices for sledges or the like power driven
    • B62M2027/025—Snow mobiles characterised by the skis

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)

Abstract

Un dispositif permettant le positionnement sur le sol des roues d'un ski de motoneige lorsque le ski quitte un sentier enneigé pour circuler sur une route. Le dispositif comprend au moins deux roues parallèles disposées près de chacun des skis; une paire de cylindres installés en relation avec chaque roue, contrôlés à l'aide d'une boîte de contrôle par le conducteur et actionnant des pistons destinés à déplacer les roues d'une position de repos, correspondant aux roues surrélevées au-dessus du ski lorsque le piston est contracté, à une position active lorsque le piston est tendu correspondant avec les roues en contact avec le sol; un moyen d'embrayage pour déplacer horizontalement les roues d'une position refermée dans laquelle les roues sont cachées à une position externe dans laquelle les roues supportant la motoneige roulent sur le sol. Un pic localisé sur un bras qui soutient les roues est placé pour gratter la glace pour en faire une buée quand une roue est en position mitoyenne.A device enabling the wheels of a snowmobile ski to be positioned on the ground when the ski leaves a snow-covered path to travel on a road. The device comprises at least two parallel wheels arranged near each of the skis; a pair of cylinders installed in relation to each wheel, controlled by means of a control box by the driver and actuating pistons intended to move the wheels from a rest position, corresponding to the wheels raised above the ski when the piston is contracted, at an active position when the piston is tensioned corresponding with the wheels in contact with the ground; clutch means for horizontally moving the wheels from a closed position in which the wheels are hidden to an external position in which the wheels supporting the snowmobile roll on the ground. A pick located on an arm that supports the wheels is placed to scrape the ice into mist when a wheel is in the middle position.

Claims (34)

1. Dans une motoneige ayant deux skis chacun comprenant un moyen de rotation disposé autour d'un axe (27,55)(FIG.10A) (51,53)(FIG.9A) transversal audit ski, un dispositif de roues rétractables de motoneige se déplaçant autour dudit moyen de rotation et comprenant :

- un corps triangulaire (90)(FIG.11A) en un premier plan comprenant une première extrémité rapprochée comprenant une partie rotative (43)(FIG10A) dirigée perpendiculairement audit premier plan;

- ledit corps triangulaire comprenant une deuxième extrémité éloignée comprenant un moyeu (52)(FIG.10A) substantiellement perpendiculaire audit plan et destiné à recevoir une roue (68); ledit moyeu étant relié à ladite partie rotative par un bras rigide comprenant un moyen de positionnement en rotation;

- une troisième extrémité dudit corps triangulaire comprenant un moyen d'appliquer un mouvement de bascule par rapport à ladite première extrémité
la faisant ainsi pivoter, ledit mouvement étant destiné à élever et abaisser ledit moyeu (52) entre une position contre le sol et une position élevée. 1. In a snowmobile having two skis each including a means of rotation disposed about an axis (27,55) (FIG. 10A) (51,53) (FIG. 9A) transverse to said ski, a device for retractable snowmobile wheels moving around said rotation means and comprising:

a triangular body (90) (FIG. 11A) in a first plane comprising a first close end comprising a rotatable portion (43) (FIG. 10A) directed perpendicularly to said first plane;

said triangular body comprising a second remote end comprising a hub (52) (FIG. 10A) substantially perpendicular to said plan and adapted to receive a wheel (68); said hub being connected to said part rotary arm by a rigid arm comprising a positioning means rotation;

a third end of said triangular body comprising a means to apply a rocking motion with respect to said first end thereby causing it to pivot, said movement being intended to raise and lower said hub (52) between a position against the ground and a high position. 2. Le dispositif de la revendication 1 utilisé en mouvement d'avancement de motoneige dans lequel ladite position élevée est localisée vers l'arrière dudit ski par rapport audit moyen de rotation et ladite roue est abaissée de ladite position élevée et positionnée contre ledit sol et retournée en direction adverse vers ladite position élevée quand ladite motoneige est sur une surface enneigée. 2. The device of claim 1 used in advancing motion of snowmobile wherein said elevated position is located rearwardly said ski with respect to said rotation means and said wheel is lowered from said raised position and positioned against said ground and returned to the adversary to said elevated position when said snowmobile is on a surface snow. 3. Le dispositif de la revendication 1 dans lequel ledit moyen de rotation est une partie femelle (43) rotative autour d'un centre de pivot mâle d'essieu (55) (FIG.10A), et ladite troisième extrémité est située radialement par rapport audit centre de pivot permettant le déplacement d'une poussée circonférencielle de 0 à 120°. 3. The device of claim 1 wherein said rotation means is a female portion (43) rotatable about a male axle pivot center (55) (FIG. 10A), and said third end is located radially relative to pivot center audit for moving a thrust circumferential from 0 to 120 °. 4. Le dispositif de la revendication 3 dans lequel ladite troisième extrémité
est localisée à distance (51' FIG.9A,9C) par rapport audit premier plan créant ainsi un deuxième plan parallèle audit premier plan. 4. The device of claim 3 wherein said third end is located at a distance (51 'FIG.9A, 9C) relative to said first plane creating thus a second plane parallel to said first plane. 5. Le dispositif de la revendication 3 dans lequel ledit moyen de rotation est un moyen de tube et ledit moyen de tube comprend une bande rapprochée (41") et une bande éloignée (41') comprenant des moyens de permettre la rotation d'une partie mâle (51,30 FIG.9A). 5. The device of claim 3 wherein said rotation means is tube means and said tube means comprises a close band (41 ") and a remote band (41 ') including means for enabling the rotation of a male part (51,30 FIG.9A). 6. Le dispositif de la revendication 5 dans lequel lesdites bandes rapprochée (41" FIG.9A) et éloignée (41') sont continues et forment une attache femelle formant ledit moyen de rotation (30' FIG.9A) et destinée à contenir ladite partie mâle (51 FIG.9A). The device of claim 5 wherein said strips are in close proximity (41 "FIG.9A) and away (41 ') are continuous and form a female fastener forming said rotation means (30 'FIG.9A) and intended to contain said male part (51 FIG.9A). 7. Le dispositif de la revendication 5 dans lequel ladite bande éloignée est orientée vers la verticale de 1° à 45° par rapport à ladite bande rapprochée. The device of claim 5 wherein said remote band is oriented vertically from 1 ° to 45 ° with respect to the said close band. 8. Le dispositif de la revendication 3 dans lequel ledit bras rigide comprend un bras torsionné (35 FIG.9A) positionnant ledit moyeu à, un angle correspondant à une orientation de ladite partie mâle. The device of claim 3 wherein said rigid arm comprises a twisted arm (35 FIG.9A) positioning said hub at an angle corresponding to an orientation of said male part. 9. Le dispositif de la revendication 8 dans lequel ledit angle est égal à
90°
plus ledit angle d'orientation. The device of claim 8 wherein said angle is equal to plus said orientation angle. 10. Le dispositif de la revendication 8 dans lequel ledit bras rigide comprend une torsion (35' FIG.9A) ajoutée à ladite courbe et destinée à minimiser l'éloignement par rapport à ladite structure élevée. The device of claim 8 wherein said rigid arm comprises a twist (35 'FIG.9A) added to said curve and intended to minimize the distance from said elevated structure. 11. Le dispositif de la revendication 10 (FIG.9A) dans lequel ledit bras torsionné (35) présente un angle de torsion (35') augmentant graduellement de 2° à 15° de l'extrémité dudit bras près dudit tube oblique (30') à l'extrémité

dudit bras près de ladite roue (68) pour permettre à ladite roue, lors du glissement dudit ski sur la neige d'effectuer un mouvement de translation vers le dessus dudit ski. 11. The device of claim 10 (FIG. 9A) wherein said arm torsionné (35) has a torsion angle (35 ') increasing gradually 2 ° to 15 ° from the end of said arm near said oblique tube (30 ') at the end said arm near said wheel (68) to allow said wheel, at the sliding of said ski on the snow to translate to the top of said ski. 12. Le dispositif de la revendication 8 dans lequel ledit angle de positionnement (88 FIG.9A) est compris entre 1 et 45 degrés. 12. The device of claim 8 wherein said angle of positioning (88 FIG.9A) is between 1 and 45 degrees. 13. Le dispositif de la revendication 1 dans lequel ledit mouvement de bascule est produit par un piston (76) appuyant sur un pivot de piston (94) (FIG.11A). The device of claim 1 wherein said rocking motion is produced by a piston (76) pressing on a piston pin (94) (FIG.11A). 14. Le dispositif de la revendication 13 dans lequel ledit piston est actionné

par un moyen de moteur relié à une boîte de contrôle commandée par un motoneigiste. The device of claim 13 wherein said piston is actuated by motor means connected to a control box controlled by a snowmobiler. 15. Le dispositif de la revendication 1 dans lequel ledit moyen de rotation permet de plus de soulever ledit moyeu et de ramener ledit moyeu au-dessus dudit ski lorsque ledit ski est en position de glissement sur la neige;
lorsque ledit ski est en position de glissement sur le pavé, ladite roue étant abaissée à
côté dudit ski et sous le niveau dudit ski, prenant position de roulement sur ledit pavé pour protéger ledit ski et assurer une meilleure conduite. The device of claim 1 wherein said rotation means further allows to lift said hub and bring said hub back above said ski when said ski is in sliding position on the snow;
when said ski is in sliding position on the block, said wheel being lowered to side of said ski and under the level of said ski, taking rolling position on said pad to protect said ski and ensure better driving. 16. Le dispositif de la revendication 1 dans lequel ledit ski comprend un support de ski (24) et ledit moyen de rotation (43) (FIG.10A) et (41) (FIG.9A) est localisé près dudit support. 16. The device of claim 1 wherein said ski comprises a ski support (24) and said rotation means (43) (FIG. 10A) and (41) (FIG. 9A) is located near said support. 17. Le dispositif de la revendication 16 dans lequel ledit moyen de rotation (43) (FIG.10A) est concentrique à ladite extension (27) dudit pivot central (26). The device of claim 16 wherein said rotation means (43) (FIG. 10A) is concentric with said extension (27) of said central pivot (26). 18. Le dispositif des revendications 2 et 16 dans lequel ledit positionnement au sol de ladite roue se fait par l'arrière dudit support de ski (24). 18. The device of claims 2 and 16 wherein said positioning on the ground of said wheel is by the rear of said ski support (24). 19. Le dispositif de la revendication 8 comprenant un bras (49 FIG.9B) mû
manuellement et rétracté par un moyen de ressort tenu par un cliquet qui est détaché automatiquement lorsque commandé par un motoneigiste. 19. The device of claim 8 comprising an arm (49 FIG.9B) moved manually and retracted by a spring means held by a ratchet which is automatically detached when ordered by a snowmobiler. 20. Le dispositif de la revendication 16 dans lequel ledit moyen de rotation comprend une extension (27) (FIG.10A) audit support de ski (24) entourée d'un essieu (55) autour duquel se trouve une douille (43) attachée audit bras rigide (90)(FIG. 10A). 20. The device of claim 16 wherein said rotation means comprises an extension (27) (FIG.10A) to said ski support (24) surrounded an axle (55) around which there is a bushing (43) attached to said arm rigid (90) (FIG 10A). 21. Le dispositif de la revendication 20 dans lequel ledit essieu (55) est excentrique par rapport à ladite extension (27)(FIG.10A). 21. The device of claim 20 wherein said axle (55) is eccentric with respect to said extension (27) (FIG.10A). 22. Le dispositif de la revendication 1 dans lequel ledit bras rigide comprend un pic (96) (FIG. 11A) disposé perpendiculairement et destiné à gratter de la neige et de la glace pour lancer une poussière de neige pour refroidir une partie de ladite motoneige. 22. The device of claim 1 wherein said rigid arm comprises a peak (96) (FIG 11A) arranged perpendicularly and intended to scratch the snow and ice to throw a snow dust to cool a part of said snowmobile. 23. Le dispositif de la revendication 22 quand ladite roue est entre la position contre le sol et ladite position élevée. 23. The device of claim 22 when said wheel is between the position against the ground and said elevated position. 24. Le dispositif de la revendication 22 quand ladite roue est en position élevée. 24. The device of claim 22 when said wheel is in position high. 25. Le dispositif de la revendication 22 dans lequel ledit pic comprend un ressort (97) destiné à atténuer et à ramener le déplacement dudit pic, ledit ressort étant attaché audit bras rigide et pivotant. 25. The device of claim 22 wherein said peak comprises a spring (97) for attenuating and reducing the displacement of said peak, said spring being attached to said rigid and pivoting arm. 26. Le dispositif de la revendication 25 dans lequel ledit ressort est positionné entre une première et une seconde butées (98,98' FIG.11A). 26. The device of claim 25 wherein said spring is positioned between a first and a second stop (98,98 'FIG.11A). 27. Le dispositif de la revendication 25 dans lequel ledit ressort est positionné autour dudit moyeu (52). 27. The device of claim 25 wherein said spring is positioned around said hub (52). 28. Le dispositif de la revendication 25 dans lequel ledit ressort est positionné autour dudit pivot central (26). 28. The device of claim 25 wherein said spring is positioned around said central pivot (26). 29. Le dispositif de la revendication 22 dans lequel ledit pic est amovible et rangé. 29. The device of claim 22 wherein said peak is removable and tidy. 30. Le dispositif de la revendication 7 dans lequel ladite orientation vers la verticale est renversée à -1 à -10 degrés pour positionner ladite roue en position élevée dans un dôme (25). 30. The device of claim 7 wherein said orientation towards the vertical is reversed to -1 to -10 degrees to position said wheel in high position in a dome (25). 31. Le dispositif de la revendication 19 dans lequel ladite douille (43) (FIG.10A) est orientée à 0 à 25 degrés suivant ledit essieu (55) et mobile autour dudit essieu et destinée à positionner ladite roue en position élevée audessus dudit ski et déplacée en relation avec une orientation gauche-droite de ladite roue (68). 31. The device of claim 19 wherein said sleeve (43) (FIG.10A) is oriented at 0 to 25 degrees following said axle (55) and movable around said axle and intended to position said wheel in an elevated position above said ski and moved in relation to a left-right orientation of said wheel (68). 32. Le dispositif de la revendication 19 dans lequel ladite extension (27) est entourée d'un essieu (55) fixé angulairement de 0 à 25 degrés audit flanc de ski et ladite douille (43) définissant une tige extérieure femelle fixée à une plaque de translation de roue (90 FIG.10A) et mobile autour dudit essieu. 32. The device of claim 19 wherein said extension (27) is surrounded by an axle (55) angularly fixed from 0 to 25 degrees to said flank of ski and said sleeve (43) defining a female outer shank secured to a wheel translation plate (90 FIG.10A) and movable around said axle. 33. Le dispositif de la revendication 29 comprenant une plaque d'acier (69 FIG.10A) fixée audit ski par des vis (73) et comprenant une clé rectangulaire (75) correspondant à une même clé sur ledit essieu et destinée à empêcher ledit essieu de tourner. 33. The device of claim 29 comprising a steel plate (69 FIG.10A) fixed to said ski by screws (73) and comprising a rectangular key (75) corresponding to the same key on said axle and intended to prevent said axle to rotate. 34. Le dispositif de la revendication 33 dans laquelle ladite plaque (69) comprend un déflecteur (59) coupé en progression et perpendiculaire et destiné à éloigner les roches et obstacles et protéger ledit essieu et ladite roue lorsqu'en position élevée. 34. The device of claim 33 wherein said plate (69) comprises a deflector (59) cut in progression and perpendicular and intended to remove rocks and obstacles and to protect said axle and said wheel when in high position.
CA2755044A 2010-12-10 2011-09-07 Retractable an improved snowmobile wheels Active CA2755044C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2755044A CA2755044C (en) 2010-12-10 2011-09-07 Retractable an improved snowmobile wheels

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CACA2724925 2010-12-10
CA2724925A CA2724925C (en) 2010-11-30 2010-12-10 Retractable and automatic positioning wheels for snowmobiles
CA2755044A CA2755044C (en) 2010-12-10 2011-09-07 Retractable an improved snowmobile wheels

Publications (2)

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CA2755044A1 true CA2755044A1 (en) 2011-12-22
CA2755044C CA2755044C (en) 2012-08-07

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10059362B1 (en) 2016-04-26 2018-08-28 Bombardier Recreational Products Inc. Snowmobile ski assembly

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