WO2023156491A1 - Improved quick-change wheel assembly for a bicycle - Google Patents
Improved quick-change wheel assembly for a bicycle Download PDFInfo
- Publication number
- WO2023156491A1 WO2023156491A1 PCT/EP2023/053817 EP2023053817W WO2023156491A1 WO 2023156491 A1 WO2023156491 A1 WO 2023156491A1 EP 2023053817 W EP2023053817 W EP 2023053817W WO 2023156491 A1 WO2023156491 A1 WO 2023156491A1
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- WIPO (PCT)
- Prior art keywords
- branch
- bearings
- frame
- fork
- wheel
- Prior art date
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Classifications
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- 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
- B62K25/00—Axle suspensions
- B62K25/02—Axle suspensions for mounting axles rigidly on cycle frame or fork, e.g. adjustably
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/02—Hubs adapted to be rotatably arranged on axle
- B60B27/023—Hubs adapted to be rotatably arranged on axle specially adapted for bicycles
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- 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
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
- B60B27/0052—Hubs characterised by functional integration of other elements the element being a brake disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/02—Hubs adapted to be rotatably arranged on axle
- B60B27/04—Hubs adapted to be rotatably arranged on axle housing driving means, e.g. sprockets
- B60B27/047—Hubs adapted to be rotatably arranged on axle housing driving means, e.g. sprockets comprising a freewheel mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/50—Improvement of
- B60B2900/541—Servicing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/13—Bicycles; Tricycles
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- 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
- B62K2206/00—Quick release mechanisms adapted for cycles
Definitions
- the present invention relates to improvements in the field of mounting and securing a wheel to a bicycle. It relates more particularly to an improved device for improving the performance and the rigidity of a device for the quick and easy changing of the wheels of a bicycle and in particular with the rear wheels fitted with a cassette with a freewheel and at least one or more sprockets, and brake disc or not, always leaving the cassette body equipped with the sprockets and the freewheel on one side and the disc support on the other, on the frame of the bicycle, and as described in the request for French patent No. FR1770719 filed on July 6, 2017 in the name of the same inventor.
- the invention finds its application among bicycle manufacturers and among wheel and equipment manufacturers.
- the object of the invention finds a particularly advantageous but not exclusive application for equipping a road or all-terrain competition bicycle.
- the wheels used on competition bikes consist of a hub connected by spokes to the rim on which the tire is located.
- the hub is equipped with bearings supported by a hollow axle in which is placed the locking system consisting of an axle passing through a branch of the frame or of the fork and which is screwed into the second branch of the frame or of the fork.
- the rear wheel may be equipped with a cassette body with freewheel comprising the transmission sprockets.
- this set of sprockets with freewheel is attached to the wheel hub, this means that the chain of the sprockets must be jumped in order to be able to remove the wheel.
- the cyclist must first position the chain on the last outermost sprocket.
- the wheel change operation after a puncture for example is done as follows, the cyclist positions his chain on the last sprocket if it is the rear wheel, he undoes the tightening of the through axle and removes it, he takes the wheel out of the frame or fork yokes, releasing the chain from the sprocket if it is the rear wheel, he takes a new wheel and engages the chain on the last sprocket if it is is a rear wheel, puts the wheel back in the frame or fork clevises, puts the thru-axle back in place and tightens it, then the cyclist gets back on his bike and sets off again with a high gear if it is of the rear wheel (because he uses the smallest sprocket) which he must quickly change in order to be able to join the peloton as quickly as possible.
- Changing a wheel (particularly the rear wheel) after a puncture is a problem for professional teams who can see all their leader's chances of victory disappear because of too long a time to do this operation.
- the disc braking system further complicates the operation because the disc is attached to the hub on the opposite side to that of the sprocket cassette, and when engaging the wheel in the frame or fork clevises, pay attention to this. that the disc fits snugly into the brake caliper which is attached near the frame or fork clevis. This tricky operation increases the wheel change time and further reduces the chances of victory.
- a second part called the pinion carrier sleeve which may include the pinion cassette and the freewheel system commonly used on competition bicycles.
- This second part is fixed free in rotation on a second branch of the frame or of the fork by means of a bearing fixed in the branch of the frame or of the fork.
- the third part is the single wheel that fits between the first two parts. Once the axle has been removed, the wheel can be extracted in one direction, sliding between the two sleeves, in a direction perpendicular to the axis of rotation of the wheel and can be inserted in the other direction and have the bores of the three coaxial parts to allow the axis to be introduced to secure the assembly.
- the invention according to patent application No. FR1770719 offers a significant improvement in the speed and ease of changing a wheel.
- the three parts linked together by the axis form a very rigid block but the realization with a bearing on each side of the frame does not allow to obtain a great rigidity of the fixing of this block on the frame or the fork like that obtained with the assemblies of modern bicycles equipped with a through axle which clamps each branch of the frame or of the fork to form a very rigid frame or fork plus axle block.
- the pedaling forces (especially in the dancer) and the braking forces create swiveling forces on each branch of the frame or the fork which are supported by the single bearing, thus creating significant bearing fatigue, a lack of rigidity due to play. inside the bearing and reduced rolling efficiency due to additional friction on the rotating elements of the bearing during rotation.
- the present invention shows an improvement which eliminates the swivel forces on the bearings and gives more rigidity to the attachment of the wheel to the frame or to the fork.
- This improvement uses an assembly with two bearings on the branch of the frame or the fork, separated by a length L. There is no longer any swivel force on a bearing but a force perpendicular to the axis of rotation of the wheel on each bearing, which increases the rigidity of the mounting of the axle on the frame or fork branches and improves performance because the perpendicular forces do not create additional friction on the rotating elements of the bearings.
- FIG. 1 shows a construction of a rear wheel assembly with disc braking, in accordance with patent application No. FR1770719, in mounted wheel position, seen from the rear, in section in a plane passing through the axis of rotation of the wheel.
- FIG. 1 is a sectional view similar to of a first mode of construction according to the invention and arranged on both sides of the frame.
- FIG. 1 shows a partial view of , detailing the mounting of the bearings on a branch of the frame or of the fork and according to a second method of construction in accordance with the invention.
- FIG. 1 shows a partial view identical to , detailing the mounting of the bearings on a branch of the frame or of the fork and according to a third mode of construction in accordance with the invention.
- FIG. 10 shows, by way of non-limiting example, a construction in accordance with patent application No. FR1770719 of the improved device making it possible to change the wheel (30) quickly and easily on a bicycle and in particular with the rear wheels optionally equipped with a cassette possibly with a freewheel and at least one or more sprockets, and or not a brake disc, always leaving the cassette body fitted with the sprockets and the freewheel on one side and the disc support on the other, on the frame of the bicycle, consisting of three parts linked together by an axis (10).
- a first part (100) called disc holder sleeve is fixed on a first branch (1) of the frame or of the fork.
- a disc carrier (101) on which is optionally fixed a disc (102) by, for example, a plurality of screws.
- a second part (200) called the pinion carrier sleeve is fixed to a second branch (1bis) of the frame or of the fork. It consists of a hub with flange (201) and optionally a cassette body (202) fitted with at least one or more sprockets used in bicycle transmissions.
- the cassette body (202) is optionally equipped with a freewheel (203) making it possible to couple the cassette body (202) and the hub with flange (201) during pedaling and leave the pinions immobile while the hub with flange continues to rotate when the cyclist stops pedalling.
- a third part (300) is the wheel itself, it consists of a simple wheel hub (301) not equipped with bearings, it is positioned between the disc holder sleeve (100) and the pinion holder sleeve (200) and is in contact with these two sleeves by flat bearing surfaces perpendicular to the axis of rotation of the wheel.
- a support surface (103) of the disc carrier (101) rests on a support surface (303) of the wheel hub (301) and a support surface (204) of the hub with flange (201) s rests on a bearing surface (304) of the wheel hub (301).
- the wheel (300) here consists, by way of non-limiting example, of a wheel hub (301) connected to the rim (302) by a multitude of spokes (not shown).
- the axis (10) joins the three parts by passing through bores (105), (305) and (205) of respectively the parts (100), (300) and (200) to form the complete wheel which can be rotation thanks to bearings (2) and (2a) held by their outer ring in a cylindrical housing of the branch of the frame or of the fork (1) and (1a).
- the shaft (10) has at one end a shoulder which rests on the end of the disc carrier (101) and a threaded part at the other end which is screwed into a thread made in the bore (205) of the hub with flange (201).
- the bearing (2) is fitted into the branch (1) against a shoulder on one side and a snap ring (3) on the other.
- a nut (104) screwed onto the end of the disk carrier (101) makes it possible to immobilize the disk carrier sleeve (100) by tightening the inner ring of the bearing (2) on a shoulder of the outer end of the disk carrier (101 ).
- the disc carrier sleeve (100) by tightening the inner ring of the bearing (2) becomes integral with the branch of the frame (1) and can rotate freely. It is the same for the bearing (2bis) in the branch (1bis).
- a snap ring (3bis) immobilizes the bearing (2bis) against a shoulder of the housing.
- a nut (206) screwed into the end of the outer end of the hub with flange (201) makes it possible to laterally immobilize the gear carrier sleeve (200).
- the pinion carrier sleeve (200) by tightening the inner ring of the bearing (2a) becomes integral with the branch of the frame (1a) and can rotate freely.
- Power transmission during braking can be achieved by connecting the disc carrier (101) to the wheel hub (301) via connection surfaces (not shown here) of the disc carrier (101), which collaborate with connecting surfaces (not shown here) on one side of the wheel hub (301).
- the transmission of power during pedaling, either from the pinion carrier sleeve (200) to the wheel (300) can be achieved by connecting the wheel hub (301) to the hub with flange (201) via connection surfaces (not shown here) on the other side of the wheel hub (301) which cooperate with connection surfaces (not shown here) of the hub with flange (201).
- FIG. 1 shows, by way of non-limiting example, a construction of the improved device according to the invention according to a first preferred mode and making it possible to eliminate the swiveling forces on the bearings and to stiffen the fixing of a wheel (30c) on the branches (1, 1bis) of the frame or of the fork on a mounting for quick and easy wheel change on a bicycle and in particular with the rear wheels optionally equipped with a cassette with optionally a freewheel and at least one or more sprockets, and or no brake disc, always leaving the cassette body fitted with the sprockets and the freewheel on one side and the disc support on the other, on the frame of the bicycle.
- the construction is similar to that of either, made up of three parts linked together by an axle (10c), the first part (100) called the disc holder sleeve is fixed to the first branch (1) of the frame or of the fork, it comprises a disc holder (101c) on which is optionally fixed the disc (102), the second part (200) called pinion carrier sleeve is fixed on the second branch (1bis) of the frame or the fork, it consists of a hub with flange (201c) and optionally of the cassette body (202) equipped with at least one or more sprockets used on bicycle transmissions, the cassette body (202) is optionally equipped with the freewheel (203) allowing the cassette body (202) to be coupled ) and the hub with flange (201c) during pedaling and leave the sprockets stationary while the hub with flange continues to rotate when the cyclist stops pedaling, the third part (300) is the wheel itself, it consists of the hub wheel (301) simple and not equipped with bearings, it is positioned between the disk
- the axis (10c) joins the three parts by passing through the bores (105), (305) and (205) of the parts (100), (300) and (200) respectively to form the complete wheel which can be rotation thanks to the bearings (2, 2a) held by their outer ring in a housing of the branch (1) and (1a) of the frame or of the fork, the disc holder sleeve (100) and the pinion holder sleeve (200 ) tighten the inner rings of the bearings (2, 2bis), become integral with the branches (1, 1bis) and can rotate freely.
- the transmission of braking power to the wheel can be achieved by connecting the disc carrier (101c) to the wheel hub (301) via connection surfaces (not shown) of the disc carrier (101c) which collaborate with connection surfaces (not shown) on one side of the wheel hub (301).
- the transmission of power from pedaling to the wheel can be achieved by connecting the wheel hub (301) to the flanged hub (201c) via connection surfaces (not shown) on the other side of the wheel hub (301). which collaborate with connection surfaces (not shown) of the hub with flange (201c).
- the two forces on the branch (1) are separated by L' and on the branch (1bis) by L'bis, which increases the rigidity of the assembly of the wheel on the branches of the frame or the fork and improves performance because the perpendicular forces do not create additional friction on the rotating elements of the bearings.
- the axis (10c) has at one end a shoulder which rests on the outer end of the disc holder (101c) and a threaded part at the other end which is screwed into a thread made in the bore (205) of the hub with flange (201c).
- the bearings (2) and the bearings (2a) are fitted into the branches (1) and (1a) against a shoulder on one side and the snap ring (3) of the other.
- the snap ring (3) is shown here on the outside of the assembly and the shoulder on the inside, but the assembly can also be made with the shoulder on the outside and the snap ring (3) inside the assembly.
- Another solution is to use a second snap ring instead of the shoulder.
- the nut (104) screwed onto the outer end of the disk carrier (101c) makes it possible to immobilize the disk carrier sleeve (100) by tightening the inner rings of the bearings (2) and the inner spacer (5) on the shoulder of the disk holder (101c).
- the nut (206) screwed into the end of the outer end of the hub with flange (201c) makes it possible to immobilize the pinion carrier sleeve (200) laterally.
- the two bearings (2) and/or the two bearings (2a) have balls as rotating elements, but the assembly will remain in accordance with the invention if one of the two bearings (2) and/or one of the two bearings (2a) has balls as rotating elements and the other has cylindrical or needle rollers.
- the representation on shows, by way of non-limiting example, all bearings (2, 2a) with balls.
- the lengths L or Lbis are of the order of a few millimeters to more than twenty millimeters. These lengths will be defined as long as possible according to the space available on the branches of the frame or the fork.
- Protrusions (6) and/or (6bis) can be made on the branch (1) and/or the branch (1bis) of the frame or the fork, to enlarge the housing and receive the assemblies of the two bearings (2) or of the two bearings (2bis) with a good value of L and Lbis.
- These protrusions (6) and/or (6a) can be made, by way of non-limiting example, on the inside side, on the outside side or on the inside side and on the outside side of the branch (1) and/or (1a) frame or fork.
- FIG. 1 shows the detail of the mounting of the two bearings on a branch of the frame or of the fork and according to a second preferred mode of the invention.
- This second mode is represented here on the branch (1) of the frame or of the fork but it will remain in accordance with the invention if it is carried out on the branch (1bis) of the frame or of the fork.
- the outer spacer (4, 4bis) is here formed by a shoulder (7, 7bis) of length L or Lbis of the housing of the branch (1,1bis) of the frame or of the fork. With this configuration the lateral immobilization of the sleeve is made directly by the shoulder (7, 7bis), it is no longer necessary, for example, to use a shoulder plus a snap ring (3, 3bis).
- FIG. 1 shows the detail of the assembly of the two bearings on a branch of the frame or of the fork and according to a third preferred mode of the invention.
- This third mode is represented here on the branch (1) of the frame or of the fork but it will remain in accordance with the invention if it is carried out on the branch (1a) of the frame or of the fork.
- the two bearings (2, 2bis), the outer spacer (4, 4bis) and the inner spacer (5, 5bis) form a single block in the form of a bearing (8, 8bis) with two rows of elements turns distant from L' or L'bis.
- the rotating elements of the bearings (8, 8bis) of the two rows are here balls but the assembly will remain in accordance with the invention if a row of rotating elements of the bearings (8, 8bis) has balls and the other cylindrical rollers or needles.
- This configuration with a single block allows maximum rigidity of the assembly by joining the two bearings together, which eliminates any movement, even minimal such as that resulting from the assembly tolerances of one bearing in relation to its second.
- This solution requires making a bearing (8, 8bis) specific to this use with the need to create expensive industrial tools, it will therefore only be usable from a large number of realizations.
- the object of the invention finds a particularly advantageous but not exclusive application for equipping a road or all-terrain competition bicycle.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention relates to an assembly (30c) for a rear bicycle wheel in three parts connected together by a spindle (10c), a disc holder sleeve having a disc holder (101c), a pinion holder sleeve formed of a hub with a flange (201c) and a wheel formed of a single wheel hub (301) and not provided with a bearing. The complete wheel can be rotated by means of bearings (2, 2a) maintained by their outer raceway in a housing of the spoke (1) and (1a) of the frame or the fork. The housing of a spoke or the housings of two spokes comprise two bearings (2) or (2a) separated from a length L or La by an outer spacer (4) or (4a), an inner spacer (5) or (5a) is positioned between the inner raceways of the two bearings (2) or (2a).
Description
La présente invention concerne des perfectionnements apportés dans le domaine du montage et de la fixation d’une roue sur une bicyclette. Elle vise plus particulièrement un dispositif perfectionné pour améliorer la performance et la rigidité d’un dispositif de changement rapide et facile des roues d’une bicyclette et notamment avec les roues arrières équipées de cassette avec roue libre et au moins un ou plusieurs pignons, et ou non de disque de frein, en laissant toujours le corps de cassette équipé des pignons et de la roue libre d’un côté et le support du disque de l’autre, sur le cadre du vélo, et tels que décrit dans la demande de brevet français N° FR1770719 déposée le 6 juillet 2017 au nom du même inventeur.The present invention relates to improvements in the field of mounting and securing a wheel to a bicycle. It relates more particularly to an improved device for improving the performance and the rigidity of a device for the quick and easy changing of the wheels of a bicycle and in particular with the rear wheels fitted with a cassette with a freewheel and at least one or more sprockets, and brake disc or not, always leaving the cassette body equipped with the sprockets and the freewheel on one side and the disc support on the other, on the frame of the bicycle, and as described in the request for French patent No. FR1770719 filed on July 6, 2017 in the name of the same inventor.
L’invention trouve son application chez les constructeurs de vélo et chez les constructeurs de roues et de ses équipements.The invention finds its application among bicycle manufacturers and among wheel and equipment manufacturers.
L’objet de l’invention trouve une application particulièrement avantageuse mais non exclusive pour équiper un vélo de compétition route ou tout-terrain.The object of the invention finds a particularly advantageous but not exclusive application for equipping a road or all-terrain competition bicycle.
Les roues utilisées sur les vélos de compétitions sont constituées d’un moyeu relié par des rayons à la jante sur laquelle se trouve le pneumatique. Le moyeu est équipé de roulements supportés par un axe creux dans lequel est placé le système de blocage constitué d’un axe traversant une branche du cadre ou de la fourche et qui se visse dans la deuxième branche du cadre ou de la fourche. La roue arrière est équipée éventuellement d’un corps de cassette avec roue libre comportant les pignons de la transmission. Sur toutes les roues actuelles cet ensemble de pignons avec roue libre est solidaire du moyeu de roue, ceci oblige à devoir faire sauter la chaine des pignons pour pouvoir enlever la roue. Pour faciliter l’opération le cycliste doit auparavant positionner la chaine sur le dernier pignon le plus à l’extérieur. L’opération de changement de roue après une crevaison par exemple, se fait de la façon suivante, le cycliste positionne sa chaine sur le dernier pignon s’il s’agit de la roue arrière, il défait le serrage de l’axe traversant et le retire, il sort la roue des chapes du cadre ou de la fourche en dégageant la chaine du pignon s’il s’agit de la roue arrière, il prend une nouvelle roue et engage la chaine sur le dernier pignon s’il s’agit d’une roue arrière, replace la roue dans les chapes du cadre ou de la fourche, remet en place l’axe traversant et le serre, puis le cycliste remonte sur son vélo et repart avec un grand braquet s’il s’agit de la roue arrière (car il utilise le plus petit pignon) qu’il doit vite changer pour pouvoir rejoindre le plus rapidement possible le peloton.The wheels used on competition bikes consist of a hub connected by spokes to the rim on which the tire is located. The hub is equipped with bearings supported by a hollow axle in which is placed the locking system consisting of an axle passing through a branch of the frame or of the fork and which is screwed into the second branch of the frame or of the fork. The rear wheel may be equipped with a cassette body with freewheel comprising the transmission sprockets. On all current wheels, this set of sprockets with freewheel is attached to the wheel hub, this means that the chain of the sprockets must be jumped in order to be able to remove the wheel. To facilitate the operation, the cyclist must first position the chain on the last outermost sprocket. The wheel change operation after a puncture for example, is done as follows, the cyclist positions his chain on the last sprocket if it is the rear wheel, he undoes the tightening of the through axle and removes it, he takes the wheel out of the frame or fork yokes, releasing the chain from the sprocket if it is the rear wheel, he takes a new wheel and engages the chain on the last sprocket if it is is a rear wheel, puts the wheel back in the frame or fork clevises, puts the thru-axle back in place and tightens it, then the cyclist gets back on his bike and sets off again with a high gear if it is of the rear wheel (because he uses the smallest sprocket) which he must quickly change in order to be able to join the peloton as quickly as possible.
Le changement de roue (notamment la roue arrière) après une crevaison (par exemple) est un problème pour les équipes professionnelles qui peuvent voir toutes les chances de victoire de leur leader disparaitre à cause du temps trop long pour faire cette opération. Le système de freinage par disque complique encore l’opération car le disque est fixé sur le moyeu du côté opposé à celui de la cassette de pignons, et il faudra en engageant la roue dans les chapes du cadre ou de la fourche faire attention à ce que le disque s’insère bien dans l’étrier de frein qui est fixé près de la chape du cadre ou de la fourche. Cette opération délicate augmente le temps de changement de roue et réduit encore plus les chances de victoire.Changing a wheel (particularly the rear wheel) after a puncture (for example) is a problem for professional teams who can see all their leader's chances of victory disappear because of too long a time to do this operation. The disc braking system further complicates the operation because the disc is attached to the hub on the opposite side to that of the sprocket cassette, and when engaging the wheel in the frame or fork clevises, pay attention to this. that the disc fits snugly into the brake caliper which is attached near the frame or fork clevis. This tricky operation increases the wheel change time and further reduces the chances of victory.
Dans la demande de brevet français N° FR1770719 déposée le 6 juillet 2017, on a décrit une solution où le corps de cassette équipé de pignons et de la roue libre est fixé sur le cadre du vélo et reste sur le vélo pendant le changement de roue. Si le freinage est assuré par disque, celui-ci reste également sur le cadre du vélo ou de la fourche. Le temps de changement de roue est ainsi réduit. Ce montage original propose un système de roue en trois parties comportant un nombre réduit de pièces. Plus précisément ce montage est constitué d’une première partie appelée manchon porte disque qui supporte le disque de frein et qui est fixée libre en rotation sur une première branche du cadre ou de la fourche par l’intermédiaire d’un roulement fixé dans la branche du cadre ou de la fourche, d’une deuxième partie appelée manchon porte pignons qui comporte éventuellement la cassette de pignons et le système de roue libre utilisés communément sur les vélos de compétition. Cette deuxième partie est fixée libre en rotation sur une deuxième branche du cadre ou de la fourche par l’intermédiaire d’un roulement fixé dans la branche du cadre ou de la fourche. La troisième partie est la roue simple qui s’insère entre les deux premières parties. Une fois l’axe retiré, la roue peut s’extraire dans un sens, en glissant entre les deux manchons, dans une direction perpendiculaire à l’axe de rotation de la roue et peut s’insérer dans l’autre sens et avoir les alésages des trois parties coaxiaux pour permettre à l’axe d’être introduit pour solidariser l’ensemble.In French patent application No. FR1770719 filed on July 6, 2017, a solution was described where the cassette body equipped with sprockets and the freewheel is fixed to the frame of the bicycle and remains on the bicycle during the wheel change. . If the braking is provided by disc, this also remains on the frame of the bicycle or the fork. The wheel change time is thus reduced. This original assembly offers a wheel system in three parts comprising a reduced number of parts. More specifically, this assembly consists of a first part called the disc carrier sleeve which supports the brake disc and which is fixed free to rotate on a first branch of the frame or of the fork by means of a bearing fixed in the branch. of the frame or the fork, a second part called the pinion carrier sleeve which may include the pinion cassette and the freewheel system commonly used on competition bicycles. This second part is fixed free in rotation on a second branch of the frame or of the fork by means of a bearing fixed in the branch of the frame or of the fork. The third part is the single wheel that fits between the first two parts. Once the axle has been removed, the wheel can be extracted in one direction, sliding between the two sleeves, in a direction perpendicular to the axis of rotation of the wheel and can be inserted in the other direction and have the bores of the three coaxial parts to allow the axis to be introduced to secure the assembly.
L’invention suivant la demande de brevet N° FR1770719 propose une amélioration importante sur la rapidité et la facilité du changement d’une roue. Les trois parties liées ensemble par l’axe forme un bloc bien rigide mais la réalisation avec un roulement de chaque côté du cadre ne permet pas d’obtenir une grande rigidité de la fixation de ce bloc sur le cadre ou la fourche comme celle obtenue avec les montages des bicyclettes modernes et équipées d’axe traversant qui serre chaque branche du cadre ou de la fourche pour former un bloc cadre ou fourche plus axe très rigide. En effet les efforts de pédalage (notamment en danseuse) et de freinage créent des efforts de rotulage sur chaque branche du cadre ou de la fourche qui sont supportés par le roulement unique créant ainsi une fatigue importante du roulement, un manque de rigidité due au jeu interne du roulement et un rendement de roulage altéré par des frottements supplémentaires sur les éléments tournant du roulement lors du rotulage. The invention according to patent application No. FR1770719 offers a significant improvement in the speed and ease of changing a wheel. The three parts linked together by the axis form a very rigid block but the realization with a bearing on each side of the frame does not allow to obtain a great rigidity of the fixing of this block on the frame or the fork like that obtained with the assemblies of modern bicycles equipped with a through axle which clamps each branch of the frame or of the fork to form a very rigid frame or fork plus axle block. In fact, the pedaling forces (especially in the dancer) and the braking forces create swiveling forces on each branch of the frame or the fork which are supported by the single bearing, thus creating significant bearing fatigue, a lack of rigidity due to play. inside the bearing and reduced rolling efficiency due to additional friction on the rotating elements of the bearing during rotation.
La présente invention montre un perfectionnement qui supprime les efforts de rotulage sur les roulements et donne plus de rigidité sur la fixation de la roue au cadre ou à la fourche. Ce perfectionnement utilise un montage avec deux roulements sur la branche du cadre ou de la fourche, distants d’une longueur L. Il n’y a plus d’effort de rotulage sur un roulement mais une force perpendiculaire à l’axe de rotation de la roue sur chaque roulement ce qui augmente la rigidité du montage de l’axe sur les branches du cadre ou de la fourche et améliore la performance car les forces perpendiculaires ne créent pas les frottements supplémentaires sur les éléments tournant des roulements.The present invention shows an improvement which eliminates the swivel forces on the bearings and gives more rigidity to the attachment of the wheel to the frame or to the fork. This improvement uses an assembly with two bearings on the branch of the frame or the fork, separated by a length L. There is no longer any swivel force on a bearing but a force perpendicular to the axis of rotation of the wheel on each bearing, which increases the rigidity of the mounting of the axle on the frame or fork branches and improves performance because the perpendicular forces do not create additional friction on the rotating elements of the bearings.
Plus précisément, et en se référant aux dessins annexés, donnés à titre d’exemples non limitatifs, où l’on a représenté les différentes réalisations préférées de l’invention :More specifically, and with reference to the accompanying drawings, given by way of non-limiting examples, where the various preferred embodiments of the invention have been represented:
L’axe (10) solidarise les trois parties en passant à travers des alésages (105), (305) et (205) de respectivement les parties (100), (300) et (200) pour former la roue complète qui peut être mise en rotation grâce à des roulements (2) et (2bis) maintenus par leur bague extérieure dans un logement cylindrique de la branche du cadre ou de la fourche (1) et (1bis). L’axe (10) possède à une extrémité un épaulement qui s’appuie sur l’extrémité du porte disque (101) et une partie filetée à l’autre extrémité qui se visse dans un taraudage réalisé dans l’alésage (205) du moyeu avec flasque (201). Le roulement (2) est emmanché dans la branche (1) contre un épaulement d’un côté et un jonc d’arrêt (3) de l’autre. Un écrou (104) vissé sur l’extrémité du porte disque (101) permet d’immobiliser le manchon porte disque (100) en serrant la bague intérieure du roulement (2) sur un épaulement de l’extrémité extérieure du porte disque (101). Le manchon porte disque (100) en serrant la bague intérieure du roulement (2) devient solidaire de la branche du cadre (1) et peut tourner librement. Il en est de même pour le roulement (2bis) dans la branche (1bis). Un jonc d’arrêt (3bis) immobilise le roulement (2bis) contre un épaulement du logement. Un écrou (206) vissé en bout de l’extrémité extérieure du moyeu avec flasque (201) permet d’immobiliser latéralement le manchon porte pignons (200). Le manchon porte pignons (200) en serrant la bague intérieure du roulement (2bis) devient solidaire de la branche du cadre (1bis) et peut tourner librement.The axis (10) joins the three parts by passing through bores (105), (305) and (205) of respectively the parts (100), (300) and (200) to form the complete wheel which can be rotation thanks to bearings (2) and (2a) held by their outer ring in a cylindrical housing of the branch of the frame or of the fork (1) and (1a). The shaft (10) has at one end a shoulder which rests on the end of the disc carrier (101) and a threaded part at the other end which is screwed into a thread made in the bore (205) of the hub with flange (201). The bearing (2) is fitted into the branch (1) against a shoulder on one side and a snap ring (3) on the other. A nut (104) screwed onto the end of the disk carrier (101) makes it possible to immobilize the disk carrier sleeve (100) by tightening the inner ring of the bearing (2) on a shoulder of the outer end of the disk carrier (101 ). The disc carrier sleeve (100) by tightening the inner ring of the bearing (2) becomes integral with the branch of the frame (1) and can rotate freely. It is the same for the bearing (2bis) in the branch (1bis). A snap ring (3bis) immobilizes the bearing (2bis) against a shoulder of the housing. A nut (206) screwed into the end of the outer end of the hub with flange (201) makes it possible to laterally immobilize the gear carrier sleeve (200). The pinion carrier sleeve (200) by tightening the inner ring of the bearing (2a) becomes integral with the branch of the frame (1a) and can rotate freely.
Une fois l’axe (10) retiré il est possible d’extraire la roue (300) dans une direction perpendiculaire à l’axe de rotation de la roue.Once the axle (10) has been removed, it is possible to extract the wheel (300) in a direction perpendicular to the axis of rotation of the wheel.
La transmission de puissance lors du freinage, soit de la roue au disque peut être réalisée par la connexion du porte disque (101) au moyeu de roue (301) via des surfaces de connexions (non représentées ici) du porte disque (101), qui collaborent avec des surfaces de connexions (non représenté ici) d’un côté du moyeu de roue (301). La transmission de puissance lors du pédalage, soit du manchon porte pignons (200) à la roue (300) peut être réalisée par la connexion du moyeu de roue (301) au moyeu avec flasque (201) via des surfaces de connexions (non représentées ici) de l’autre côté du moyeu de roue (301) qui collaborent avec des surfaces de connexions (non représentées ici) du moyeu avec flasque (201).Power transmission during braking, either from the wheel to the disc, can be achieved by connecting the disc carrier (101) to the wheel hub (301) via connection surfaces (not shown here) of the disc carrier (101), which collaborate with connecting surfaces (not shown here) on one side of the wheel hub (301). The transmission of power during pedaling, either from the pinion carrier sleeve (200) to the wheel (300) can be achieved by connecting the wheel hub (301) to the hub with flange (201) via connection surfaces (not shown here) on the other side of the wheel hub (301) which cooperate with connection surfaces (not shown here) of the hub with flange (201).
A titre d’exemple non limitatif, l’axe (10c) possède à une extrémité un épaulement qui s’appuie sur l’extrémité extérieure du porte disque (101c) et une partie filetée à l’autre extrémité qui se visse dans un taraudage réalisé dans l’alésage (205) du moyeu avec flasque (201c). A titre d’exemple non limitatif, les roulements (2) et les roulements (2bis) sont emmanchés dans les branches (1) et (1bis) contre un épaulement d’un côté et le jonc d’arrêt (3) de l’autre. Le jonc d’arrêt (3) est ici représenté à l’extérieur du montage et l’épaulement à l’intérieur, mais on peut réaliser également le montage avec l’épaulement à l’extérieur et le jonc d’arrêt (3) à l’intérieur du montage. Une autre solution, à titre d’exemple non limitatif, est d’utiliser un deuxième jonc d’arrêt à la place de l’épaulement. L’écrou (104) vissé sur l’extrémité extérieure du porte disque (101c) permet d’immobiliser le manchon porte disque (100) en serrant les bagues intérieures des roulements (2) et l’entretoise intérieure (5) sur l’épaulement du porte disque (101c). L’écrou (206) vissé en bout de l’extrémité extérieure du moyeu avec flasque (201c) permet d’immobiliser latéralement le manchon porte pignons (200). Ces montages sont donnés à titre d’exemple non limitatif et il existe d’autres solutions pour immobiliser les manchons avec, par exemple, des segments d’arrêts à la place des écrous (104) ou (206), ou encore remplacer les joncs d’arrêt (3) ou (3bis) par des écrous vissés dans les logements des roulements.By way of non-limiting example, the axis (10c) has at one end a shoulder which rests on the outer end of the disc holder (101c) and a threaded part at the other end which is screwed into a thread made in the bore (205) of the hub with flange (201c). By way of non-limiting example, the bearings (2) and the bearings (2a) are fitted into the branches (1) and (1a) against a shoulder on one side and the snap ring (3) of the other. The snap ring (3) is shown here on the outside of the assembly and the shoulder on the inside, but the assembly can also be made with the shoulder on the outside and the snap ring (3) inside the assembly. Another solution, by way of non-limiting example, is to use a second snap ring instead of the shoulder. The nut (104) screwed onto the outer end of the disk carrier (101c) makes it possible to immobilize the disk carrier sleeve (100) by tightening the inner rings of the bearings (2) and the inner spacer (5) on the shoulder of the disk holder (101c). The nut (206) screwed into the end of the outer end of the hub with flange (201c) makes it possible to immobilize the pinion carrier sleeve (200) laterally. These assemblies are given by way of non-limiting example and there are other solutions for immobilizing the sleeves with, for example, stop segments instead of the nuts (104) or (206), or even replacing the rods stopper (3) or (3a) by nuts screwed into the bearing housings.
A titre d’exemple non limitatif, les deux roulements (2) et/ou les deux roulements (2bis) possèdent des billes comme éléments tournants, mais le montage restera conforme à l’invention si un des deux roulements (2) et/ou un des deux roulements (2bis) possède des billes comme éléments tournants et l’autre des galets cylindriques ou aiguilles. La représentation sur montre, à titre d’exemple non limitatif, tous les roulements (2, 2bis) avec des billes.By way of non-limiting example, the two bearings (2) and/or the two bearings (2a) have balls as rotating elements, but the assembly will remain in accordance with the invention if one of the two bearings (2) and/or one of the two bearings (2a) has balls as rotating elements and the other has cylindrical or needle rollers. The representation on shows, by way of non-limiting example, all bearings (2, 2a) with balls.
Les longueurs L ou Lbis sont de l’ordre de quelques millimètres à plus d’une vingtaine de millimètres. Ces longueurs seront définies les plus grandes possibles suivant la place disponible sur les branches du cadre ou de la fourche. Des excroissances (6) et/ou (6bis) peuvent être réalisées sur la branche (1) et/ou la branche (1bis) du cadre ou de la fourche, pour agrandir le logement et recevoir les montages des deux roulements (2) ou des deux roulements (2bis) avec une bonne valeur de L et Lbis. Ces excroissances (6) et/ou (6bis) peuvent être réalisées, à titre d’exemple non limitatif, du côté intérieur, du côté extérieur ou du côté intérieur et du côté extérieur de la branche (1) et/ou (1bis) du cadre ou de la fourche.The lengths L or Lbis are of the order of a few millimeters to more than twenty millimeters. These lengths will be defined as long as possible according to the space available on the branches of the frame or the fork. Protrusions (6) and/or (6bis) can be made on the branch (1) and/or the branch (1bis) of the frame or the fork, to enlarge the housing and receive the assemblies of the two bearings (2) or of the two bearings (2bis) with a good value of L and Lbis. These protrusions (6) and/or (6a) can be made, by way of non-limiting example, on the inside side, on the outside side or on the inside side and on the outside side of the branch (1) and/or (1a) frame or fork.
Cette configuration avec un bloc unique permet une rigidité maximum du montage en solidarisant les deux roulements ce qui supprime tout déplacement, même minime comme ceux résultant des tolérances de montage d’un roulement par rapport à son second. Cette solution impose de faire un roulement (8, 8bis) spécifique à cette utilisation avec la nécessité de créer des outillages industriels coûteux, elle ne sera donc utilisable qu’à partir d’un grand nombre de réalisation.This configuration with a single block allows maximum rigidity of the assembly by joining the two bearings together, which eliminates any movement, even minimal such as that resulting from the assembly tolerances of one bearing in relation to its second. This solution requires making a bearing (8, 8bis) specific to this use with the need to create expensive industrial tools, it will therefore only be usable from a large number of realizations.
Les modes de réalisation décrits ici montrent les montages (30c) réalisés avec un axe (10c) introduit par le côté manchon porte disque (100) mais les montages (30c) resteront conformes à l’invention avec un axe (10c) introduit par le côté manchon porte pignons (200).The embodiments described here show the assemblies (30c) made with an axis (10c) introduced by the side disk holder sleeve (100) but the assemblies (30c) will remain in accordance with the invention with an axis (10c) introduced by the gear carrier sleeve side (200).
Toutes ces solutions sont décrites pour le montage d’une roue arrière mais ils peuvent exactement et de la même manière être utilisés pour le montage d’une roue avant équipée d’un freinage par disque. Le montage d’une roue avant de vélo équipée d’un freinage par disque est réalisé de la même manière que le montage (30c) mais avec un moyeu avec flasque (201c) nu et non équipé de pignons et de roue libre. La roue avant (300) est identique à celle décrite pour le montage de la roue arrière.All these solutions are described for fitting a rear wheel but they can be used in exactly the same way for fitting a front wheel equipped with disc braking. The assembly of a bicycle front wheel equipped with disc braking is carried out in the same way as assembly (30c) but with a bare hub with flange (201c) and not equipped with sprockets and freewheel. The front wheel (300) is identical to that described for mounting the rear wheel.
L’objet de l’invention trouve une application particulièrement avantageuse mais non exclusive pour équiper un vélo de compétition route ou tout-terrain.The object of the invention finds a particularly advantageous but not exclusive application for equipping a road or all-terrain competition bicycle.
Claims (12)
- Dispositif perfectionné permettant de rigidifier la fixation d’une roue (30c) sur un montage de changement de roue rapide et facile sur une bicyclette et notamment avec les roues arrières équipées éventuellement de cassette avec éventuellement une roue libre et au moins un ou plusieurs pignons, et ou non de disque de frein, en laissant toujours le corps de cassette équipé des pignons et de la roue libre d’un côté et le support du disque de l’autre, sur le cadre du vélo, constitué de trois parties liées ensembles par un axe (10c), une première partie (100) appelée manchon porte disque est fixée sur une première branche (1) du cadre ou de la fourche, il comporte un porte disque (101c) sur lequel est fixé éventuellement un disque (102), une deuxième partie (200) appelée manchon porte pignons est fixée sur une deuxième branche (1bis) du cadre ou de la fourche, il est constitué d’un moyeu avec flasque (201c) et éventuellement d’un corps de cassette (202) équipé au moins d’un ou plusieurs pignons utilisés sur les transmissions des bicyclettes, le corps de cassette (202) est éventuellement équipé d’une roue libre (203) permettant d’accoupler le corps de cassette (202) et le moyeu avec flasque (201c) lors du pédalage et laisser les pignons immobiles alors que le moyeu avec flasque continu de tourner lorsque le cycliste arrête de pédaler, une troisième partie (300) est la roue proprement dite, elle est constituée d’un moyeu de roue (301) simple et non équipé de roulement, elle est positionnée entre le manchon porte disque (100) et le manchon porte pignons (200) et est en contact avec ces deux manchons par des surfaces d’appui (103, 303, 204, 304), l’axe (10c) solidarise les trois parties en passant à travers des alésages (105, 305, 205) des trois parties (100, 300, 200) pour former la roue complète qui peut être mise en rotation grâce à des roulements (2, 2bis) maintenus par leur bague extérieure dans un logement de la première branche (1) et deuxième branche (1bis) du cadre ou de la fourche, le manchon porte disque (100) et le manchon porte pignons (200) serrent les bagues intérieures des roulements (2, 2bis) et deviennent solidaire des branches (1, 1bis) et peuvent tourner librement, une fois l’axe (10c) retiré il est possible d’extraire la roue (300) dans une direction perpendiculaire à l’axe de rotation de la roue, la transmission de puissance du freinage et du pédalage à la roue peut être réalisée par la connexion du porte disque (101c) au moyeu de roue (301) et du moyeu de roue (301) au moyeu avec flasque (201c) via des surfaces de connexions, caractérisé en ce que dans le logement d’une des première branche (1) ou deuxième branche (1bis) du cadre ou de la fourche sont positionnés deux roulements (2) distants d’une longueur L par une entretoise extérieure (4) placée dans le logement de la branche du cadre ou de la fourche et une entretoise intérieure (5) de longueur L et positionnée entre les bagues intérieures des deux roulements (2) pour permettre le serrage du manchon porte disque (100) si la branche utilisée est la première branche (1), ou deux roulements (2bis) distants d’une longueur Lbis par une entretoise extérieure (4bis) placée dans le logement de la branche du cadre ou de la fourche et une entretoise intérieure (5bis) de longueur Lbis et positionnée entre les bagues intérieures des deux roulements (2bis) pour permettre le serrage du manchon porte pignons (200) si la branche utilisée est la deuxième branche (1bis).Improved device making it possible to stiffen the attachment of a wheel (30c) on a quick and easy wheel change assembly on a bicycle and in particular with the rear wheels optionally equipped with a cassette with optionally a freewheel and at least one or more sprockets, and or not a brake disc, always leaving the cassette body equipped with the sprockets and the freewheel on one side and the disc support on the other, on the frame of the bicycle, made up of three parts linked together by an axle (10c), a first part (100) called disc holder sleeve is fixed on a first branch (1) of the frame or of the fork, it comprises a disc holder (101c) on which is possibly fixed a disc (102) , a second part (200) called the pinion carrier sleeve is fixed to a second branch (1bis) of the frame or of the fork, it consists of a hub with flange (201c) and possibly a cassette body (202) equipped with at least one or more sprockets used on bicycle transmissions, the cassette body (202) is optionally equipped with a freewheel (203) making it possible to couple the cassette body (202) and the hub with flange (201c) during pedaling and leave the sprockets stationary while the hub with flange continues to rotate when the cyclist stops pedaling, a third part (300) is the wheel itself, it consists of a wheel hub (301 ) simple and not equipped with bearings, it is positioned between the disc carrier sleeve (100) and the pinion carrier sleeve (200) and is in contact with these two sleeves by bearing surfaces (103, 303, 204, 304) , the axle (10c) secures the three parts by passing through bores (105, 305, 205) of the three parts (100, 300, 200) to form the complete wheel which can be rotated by means of bearings ( 2, 2bis) held by their outer ring in a housing of the first branch (1) and second branch (1bis) of the frame or of the fork, the disc carrier sleeve (100) and the pinion carrier sleeve (200) tighten the rings inner bearings (2, 2a) and become integral with the branches (1, 1a) and can rotate freely, once the axis (10c) removed it is possible to extract the wheel (300) in a direction perpendicular to the axis of rotation of the wheel, the transmission of braking and pedaling power to the wheel can be achieved by connecting the disc holder (101c) to the wheel hub (301) and the wheel hub (301) to the hub with flange (201c) via connection surfaces, characterized in that in the housing of one of the first branch (1) or second branch (1bis) of the frame or of the fork are positioned two bearings (2) separated by a length L by an outer spacer (4) placed in the housing of the frame or fork branch and an inner spacer (5) of length L and positioned between the inner rings of the two bearings (2) to allow the disc holder sleeve to be tightened (100) if the branch used is the first branch (1), or two bearings (2a) separated by a length Lbis by an external spacer (4a) placed in the housing of the frame or fork branch and a spacer (5bis) of length Lbis and positioned between the inner rings of the two bearings (2bis) to allow the tightening of the pinion carrier sleeve (200) if the branch used is the second branch (1bis).
- Dispositif suivant la revendication 1, caractérisé en ce que dans le logement de la première branche (1) et de la deuxième branche (1bis) du cadre ou de la fourche sont positionnés respectivement les deux roulements (2) distants de la longueur L et les deux roulements (2bis) distants de la longueur Lbis par les entretoises extérieures (4, 4bis) placées dans chaque logement de la branche du cadre ou de la fourche, les respectivement entretoises intérieures (5) de longueur L et (5bis) de longueur Lbis sont positionnées entre respectivement les bagues intérieures des deux roulements (2) de la première branche et des deux roulements (2bis) de la deuxième branche, pour permettre le serrage du respectivement manchon porte disque (100) et du manchon porte pignons (200).Device according to Claim 1, characterized in that in the housing of the first branch (1) and of the second branch (1a) of the frame or of the fork are respectively positioned the two bearings (2) separated by the length L and the two bearings (2a) separated by the length Lbis by the outer spacers (4, 4a) placed in each housing of the branch of the frame or of the fork, the respectively inner spacers (5) of length L and (5a) of length Lbis are positioned respectively between the inner rings of the two bearings (2) of the first branch and of the two bearings (2bis) of the second branch, to allow the tightening of the disc carrier sleeve (100) and the pinion carrier sleeve (200), respectively.
- Dispositif suivant la revendication 1 ou 2, caractérisé en ce que les deux roulements (2) de la première branche et/ou les deux roulements (2bis) de la deuxième branche possèdent des billes comme éléments tournants.Device according to Claim 1 or 2, characterized in that the two bearings (2) of the first leg and/or the two bearings (2bis) of the second leg have balls as rotating elements.
- Dispositif suivant la revendication 1 ou 2, caractérisé en ce que un des deux roulements (2) de la première branche et/ou un des deux roulements (2bis) de la deuxième branche possède des billes comme éléments tournants et l’autre des galets cylindriques ou aiguilles. Device according to Claim 1 or 2, characterized in that one of the two bearings (2) of the first branch and/or one of the two bearings (2a) of the second branch has balls as rotating elements and the other cylindrical rollers or needles.
- Dispositif suivant la revendication 1 ou 2, caractérisé en ce que les deux roulements (2, 2bis), l’entretoise extérieure (4, 4bis) et l’entretoise intérieure (5, 5bis)) forment un seul bloc sous la forme d’un roulement (8, 8bis) à deux rangées d’éléments tournants distants de L’ ou L’bis.Device according to Claim 1 or 2, characterized in that the two bearings (2, 2bis), the outer spacer (4, 4bis) and the inner spacer (5, 5bis)) form a single block in the form of a bearing (8, 8bis) with two rows of rotating elements spaced apart by L' or L'bis.
- Dispositif suivant la revendication 5, caractérisé en ce que les éléments tournants des roulements à deux rangées d’éléments tournants (8, 8bis) des deux rangées sont des billes.Device according to Claim 5, characterized in that the rotating elements of the bearings with two rows of rotating elements (8, 8bis) of the two rows are balls.
- Dispositif suivant la revendication 5, caractérisé en ce que une rangée d’éléments tournant des roulements à deux rangées d’éléments tournants (8, 8bis) possède des billes et l’autre des galets cylindriques ou aiguilles.Device according to claim 5, characterized in that one row of rotating elements bearings with two rows of rotating elements (8, 8bis) has balls and the other cylindrical or needle rollers.
- Dispositif suivant l’une quelconque des revendications 1 à 4, caractérisé en ce que l’entretoise extérieure (4, 4bis) est formée par un épaulement (7, 7bis) de longueur L ou Lbis du logement de la branche (1, 1bis) du cadre ou de la fourche.Device according to any one of Claims 1 to 4, characterized in that the external spacer (4, 4bis) is formed by a shoulder (7, 7bis) of length L or Lbis of the housing of the branch (1, 1bis) frame or fork.
- Dispositif suivant l’une quelconque des revendications précédentes, caractérisé en ce que des excroissances (6) sur la première branche (1) du cadre ou de la fourche et/ou (6bis) sur la deuxième branche (1bis) du cadre ou de la fourche peuvent être réalisées pour agrandir le logement et recevoir les montages des deux roulements (2) de la première branche ou des deux roulements (2bis) de la deuxième branche. Device according to any one of the preceding claims, characterized in that the protrusions (6) on the first branch (1) of the frame or of the fork and/or (6bis) on the second branch (1bis) of the frame or fork can be made to enlarge the housing and receive the assemblies of the two bearings (2) of the first branch or of the two bearings (2bis) of the second branch.
- Dispositif suivant la revendication 9, caractérisé en ce que les excroissances (6) sur la première branche et/ou (6bis) sur la deuxième branche sont réalisées du côté intérieur de la première branche (1) et/ou de la deuxième branche (1bis) du cadre ou de la fourche.Device according to Claim 9, characterized in that the protrusions (6) on the first branch and/or (6bis) on the second branch are produced on the inside of the first branch (1) and/or the second branch (1bis ) of the frame or fork.
- Dispositif suivant la revendication 9, caractérisé en ce que les excroissances (6) sur la première branche et/ou (6bis) sur la deuxième branche sont réalisées du côté extérieur de la première branche (1) et/ou la deuxième branche (1bis) du cadre ou de la fourche.Device according to Claim 9, characterized in that the protrusions (6) on the first branch and/or (6bis) on the second branch are produced on the outside of the first branch (1) and/or the second branch (1bis) frame or fork.
- Dispositif suivant la revendication 9, caractérisé en ce que les excroissances (6) sur la première branche et/ou (6bis) sur la deuxième branche sont réalisées du côté intérieur et du côté extérieur de la première branche (1) et/ou la deuxième branche (1bis) du cadre ou de la fourche.Device according to Claim 9, characterized in that the protrusions (6) on the first branch and/or (6bis) on the second branch are produced on the inside side and on the outside side of the first branch (1) and/or the second branch (1a) of the frame or fork.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2201471A FR3132867B1 (en) | 2022-02-18 | 2022-02-18 | Improvement on a quick wheel change assembly on a bicycle |
FRFR2201471 | 2022-02-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023156491A1 true WO2023156491A1 (en) | 2023-08-24 |
Family
ID=81328244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2023/053817 WO2023156491A1 (en) | 2022-02-18 | 2023-02-15 | Improved quick-change wheel assembly for a bicycle |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR3132867B1 (en) |
WO (1) | WO2023156491A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2782471A1 (en) * | 1998-08-18 | 2000-02-25 | Power Investment | Quickly detachable bicycle front and rear wheels have spindle with threaded end fitting into bore in stop |
US20160039491A1 (en) * | 2014-08-06 | 2016-02-11 | Angelo Morelli | Bicycle with disc brakes removable from the relative wheel |
FR3068674A1 (en) * | 2017-07-06 | 2019-01-11 | Eurl Lagar Concept | IMPROVED DEVICE FOR THE RAPID CHANGE OF WHEELS ON A BICYCLE |
FR3077264A1 (en) * | 2018-01-29 | 2019-08-02 | Eurl Lagar Concept | IMPROVEMENT FOR QUICK CHANGE OF WHEELS ON A BICYCLE |
-
2022
- 2022-02-18 FR FR2201471A patent/FR3132867B1/en active Active
-
2023
- 2023-02-15 WO PCT/EP2023/053817 patent/WO2023156491A1/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2782471A1 (en) * | 1998-08-18 | 2000-02-25 | Power Investment | Quickly detachable bicycle front and rear wheels have spindle with threaded end fitting into bore in stop |
US20160039491A1 (en) * | 2014-08-06 | 2016-02-11 | Angelo Morelli | Bicycle with disc brakes removable from the relative wheel |
FR3068674A1 (en) * | 2017-07-06 | 2019-01-11 | Eurl Lagar Concept | IMPROVED DEVICE FOR THE RAPID CHANGE OF WHEELS ON A BICYCLE |
FR3077264A1 (en) * | 2018-01-29 | 2019-08-02 | Eurl Lagar Concept | IMPROVEMENT FOR QUICK CHANGE OF WHEELS ON A BICYCLE |
Also Published As
Publication number | Publication date |
---|---|
FR3132867A1 (en) | 2023-08-25 |
FR3132867B1 (en) | 2024-02-23 |
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