CA2246683A1 - Mechanical anti-dive braking system - Google Patents
Mechanical anti-dive braking system Download PDFInfo
- Publication number
- CA2246683A1 CA2246683A1 CA 2246683 CA2246683A CA2246683A1 CA 2246683 A1 CA2246683 A1 CA 2246683A1 CA 2246683 CA2246683 CA 2246683 CA 2246683 A CA2246683 A CA 2246683A CA 2246683 A1 CA2246683 A1 CA 2246683A1
- Authority
- CA
- Canada
- Prior art keywords
- suspension
- swing
- disc
- arm
- wheel
- 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.)
- Abandoned
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/04—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting directly on tread
-
- 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
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K25/06—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms
- B62K25/08—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for front wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
In a disc braking system for bicycles and other vehicles so equipped with disc brakes on the front wheel, it is known that the brakes are activated through the manipulation of a lever and that by hydraulic or cable connections the pads contained in the brake calliper(s) are induced to press upon the disc causing the rotating wheel to slow and, if the application continues, stop.
In this invention the front brake calliper is mounted on a swing-arm having an axis of rotation or pivot around the wheel axle. Attached to the end of each swing-arm is a rod which extends upwards to connect to a brace plate through which the front suspension fork assembly passes. The connection of the rod to both the swing-arm and the brace plate is accomplished through pivoting joints.
This invention (MECHANICAL ANTI-DIVE BRAKING SYSTEM) prevents the compression ("dive") of the front suspension during the application of the front disc brake by transferring brake energy to the frame rather than to the lower moving section of the suspension forks. It does not, however, prevent the front suspension from operating independently to full effectiveness before, during, or after the application of the brakes.
The invention is comprised of the swing-arm, the energy trasfer rod, and the brace-plate. It is envisioned that adaption to specific suspension or axles would be performed as required to implement the invention but this invention makes no claim to a particular suspension system or axle system.
In this invention the front brake calliper is mounted on a swing-arm having an axis of rotation or pivot around the wheel axle. Attached to the end of each swing-arm is a rod which extends upwards to connect to a brace plate through which the front suspension fork assembly passes. The connection of the rod to both the swing-arm and the brace plate is accomplished through pivoting joints.
This invention (MECHANICAL ANTI-DIVE BRAKING SYSTEM) prevents the compression ("dive") of the front suspension during the application of the front disc brake by transferring brake energy to the frame rather than to the lower moving section of the suspension forks. It does not, however, prevent the front suspension from operating independently to full effectiveness before, during, or after the application of the brakes.
The invention is comprised of the swing-arm, the energy trasfer rod, and the brace-plate. It is envisioned that adaption to specific suspension or axles would be performed as required to implement the invention but this invention makes no claim to a particular suspension system or axle system.
Description
Mechanical Anti-Dive Braking System SPECIFICATION
THE GENERAL CHARACTER OF THE CLASS OF ARTICLE OR THE KIND OF PROCESS TO WHICH
THE INVENTION (I. E., THE INVENTIVE IDEA) RELATES
The invention relates to a braking system for bicycles and other vehicles so equipped with disc brakes on the front wheel, which reduces or eliminates the tendency of the vehicle to "dive" (the severe compression of the front suspension assembly) when the front brakes are applied.
THE NATURE IN GENERAL TERMS OF THE ARTICLES OR PROCESSES PREVIOUSLY KNOWN OR
USED WHICH ARE INTENDED TO BE IMPROVED OR REPLACED BY RESORT TO THE INVENTION
AND OF THE DIFFICULTIES AND INCONVENIENCES WHICH THEY INVOLVE
The disc-brake systems found on bicycles and other vehicles so equipped with disc brakes on the front wheel is known to be composed of the following components:
i) 1 or 2 discs affixed concentric and parallel to the wheels;
ii) 1 or 2, as appropriate, disc callipers with pads about each disc;
and, iii) some hydraulic or other mechanical linkage through which the operator may activate the system causing the disc pads within the calliper to press on the disc and the wheel to slow and stop rotation accordingly.
Bicycles and other vehicles so equipped with disc brakes on the front wheel are generally equipped with the brake callipers mounted directly to the front suspension forks or some associated structure which moves in concert with the suspension. When the disc brakes are applied the mass of the bike and rider causes the suspension to compress or "dive".
Using the case of a bicycle as demonstration, this effect causes a complex change in the geometry of the vehicle. The "rake" or angle of the front wheel suspension, relative to the road, is reduced thereby increasing the angular momentum of the entire vehicle around the front axle. Under extreme braking conditions this could cause the rear (driving) wheel to leave the ground.
When front disc brakes not so improved by this invention are applied whilst driving around a corner, the "diving" action compromises the safe operation of the vehicle through the changes to the vehicle's geometry. This loss of control may result in a wide range of outcomes, the most severe of which is a complete loss of control.
When front disc brakes not so improved by this invention are applied whilst driving in a straight line, the "diving" action compromises the ability for the front suspension to articulate in a full and complete manner. This effect results in reduced rider comfort, increased wear on the bicycle, and the potential for a loss of control.
Mechanical Anti-Dive Braking System THE INVENTIVE IDEA WHICH THE NEW ARTICLE OR PROCESS EMBODIES, AND THE WAY IN
WHICH RESORT TO IT OVERCOMES THE DIFFICULTIES AND INCONVENIENCES OF PREVIOUS
PRACTICES OR PROPOSALS
It has been observed that the "diving" tendencies of conventional front disc braking systems is overcome by mounting each brake calliper on a swing-arm having an axis of rotation or pivot around the wheel axle. Attached to the end of each swing-arm is a rod which extends upwards to another connection integral to a brace plate (a plate through which the front suspension assembly passes). The connection of this rod to both the swing-arm and the fork brace is accomplished through pivoting joint assemblies.
Through this mechanism the forces generated during an application of the front brakes) are transferred to the frame of the vehicle rather than to the front suspension. It should be stressed that this mechanical anti-dive braking system does not compromise the normal suspension behaviour at any time. The sole effect is to reduce or eliminate "dive" while allowing the front suspension to function fully before, during, and after braking.
The geometry of the vehicle is not materially affected by the invention and the operator is able to maintain normal positive control at all times. The greatest benefit of this system is derived during the common combination of braking while the suspension is active - while cornering or passing over obstructions. It is during cornering that the "diving" tendencies of a ordinarily-braked bicycles and other vehicles so equipped with front disc brakes, are most pronounced and contribute to significant reduction in operator control.
This mechanical anti-dive braking system also addresses previous attempts to control this "diving" tendency of bicycles and other vehicles so equipped with front disc brakes while the front brakes are applied. Other systems use the existing hydraulic system within the suspension (if so equipped) to allow the flow of fluid through a bypass valve in order to dampen the front suspension during braking. It has been observed that these systems are deficient in three key respects:
i) the use of the existing hydraulic system necessitates the inclusion of additional lengths of brake line and joints/couplings.
Braking energy is reduced by the transfer of hydraulic energy to the additional lengths of brake lines and the additional joints increases the probability of leakage;
ii) the hydraulic anti-dive systems currently available continue to use brake callipers mounted directly to the front forks of the vehicle.
This configuration significantly inhibits the potential benefits of the attempted solution to the problem; and, iii) due to the requirement for conscientious servicing and maintenance these hydraulic systems tend to fail rapidly and are rendered ineffective after a relatively short time.
Other systems may also use mechanical linkages which are integral to the suspension assembly itself. This invention is superior to an integrated system in that it is independent of the suspension and can be adapted readily to the travel length of any front suspension system employed in the construction of bicycles and other vehicles so equipped with front disc Mechanical Anti-Dive Braking System brakes. This adaptation can be easily accomplished through the use of components with varying specifications for length, diameter, bearings, fittings, etc. Accordingly, this invention makes no claim to its use with a particular suspension system.
A FULL DESCRIPTION OF THE BEST WAY OF USING OR PUTTING INTO OPERATION THE
INVENTIVE IDEA (THE DRAWINGS) The use of the invention is illustrated herein by its application to the front disc braking system on a bicycle or other vehicle so equipped with front disc brakes. The assembly is comprised of the swing-arm (PART #1) the energy transfer rod (PART #2) and a brace plate (PART #3) or other mounting plate affixed near the frame to the stanchions of the front suspension.
The swing-arm is installed to be parallel to the ground suspended between the axle (A) and the energy transfer rod. The energy transfer rod is adjusted to form a slight acute angle (towards the front axle) between itself and the swing-arm.
This entire system remains essentially mono-planar and parallel to the wheel.
The brake calliper (PART B) is mounted so as to maintain a constant radius from the axle (PART A). In this fashion, when the suspension is compressed independent of any braking activity the swing-arm and the attached brake calliper may rotate as required about the axle. When the front brake is applied the swing-arms attempt to rotate and are prevented from doing so by the energy transfer rod. Since this energy is not transferred to the front suspension, the suspension fork does not compress as the result of braking.
However, the suspension will continue to operate normally and fully during the application of the front brake due to the pivoting action of the connections between the axle/swing-arm, the swing-arm/energy transfer rod, and the energy transfer rod/fork brace plate.
The invention illustrated comprises a swing-arm (PART #1) which is adapted freely to embrace and pivot about the wheel axle (PART A). It may be formed from aluminum or other metal by machining, casting, or other method in one or more parts. This swing-arm is suspended from the motorcycle frame by an energy transfer rod (PART #2) which is affixed to the swing-arm and the fork brace plate (PART #3) by pivoting connections. These pivoting connections may be bolts or machined pins riding on bushings or bearings. The brake calliper (PART B) is affixed securely to the swing-arm in such a fashion to maintain a constant radius about the axle.
Note: it is envisioned that the hydraulic or cable brake lines may pass through the energy transfer rod or may be external to the energy transfer bar. One other variation may find the hollow energy transfer rod as an integral part of the hydraulic brake line itself through the use of line fittings at the top and bottom of the rod shaft.
Mechanical Anti-Dive Braking System THE EMBODIMENT OF THE INVENTION IS ILLUSTRATED AS FOLLOWS:
FIG l: A 3/4 view of the components of this invention, partly in section.
FIG 2: A side view of the assembled invention showing the relationship between the swing-arm, the energy transfer rod, and the suspension fork brace plate as would be observed on a bicycle installation - rider's left side.
Note the slight acute angle between the swing-arm (PART #1) and the energy transfer rod (PART #3). Note also the orientation of the suspension fork brace plate (PART #3) to the front suspension fork indicated by the dotted lines.
FIG 3: A side view showing the invention in situ. Upon an application of the brakes fluid would flow through the brake lines (PART C) and activate the calliper (PART B) which would in turn press on the disc (PART D) causing the wheel (PART E) to slow and stop. Under the application of the brake the swing-arm (PART #1) would tend to rotate upwards about the axle (PART A).
This rotation would be prevented by equal and opposite force downwards through the energy transfer rod (PART ##2) attached to the suspension by the fork brace plate (PART #3). Because the energy transfer rod is mounted to pivot at both ends and the swing-arm pivots about the axle the suspension is unencumbered and is free to compress or not as the situation demands before, during, or after braking.
OTHER WAYS IN WHICH THE INVENTIVE IDEA MAY BE USED OR PUT INTO OPERATION
This assembly, embodying the components described herein could be used in braking applications for all manner of wheels or flywheels and should not be considered to be restricted to bicycles so equipped with disc brakes.
Indeed, there could be an application and use of this invention in any circumstance where disc brakes are used to slow a wheel.
THE GENERAL CHARACTER OF THE CLASS OF ARTICLE OR THE KIND OF PROCESS TO WHICH
THE INVENTION (I. E., THE INVENTIVE IDEA) RELATES
The invention relates to a braking system for bicycles and other vehicles so equipped with disc brakes on the front wheel, which reduces or eliminates the tendency of the vehicle to "dive" (the severe compression of the front suspension assembly) when the front brakes are applied.
THE NATURE IN GENERAL TERMS OF THE ARTICLES OR PROCESSES PREVIOUSLY KNOWN OR
USED WHICH ARE INTENDED TO BE IMPROVED OR REPLACED BY RESORT TO THE INVENTION
AND OF THE DIFFICULTIES AND INCONVENIENCES WHICH THEY INVOLVE
The disc-brake systems found on bicycles and other vehicles so equipped with disc brakes on the front wheel is known to be composed of the following components:
i) 1 or 2 discs affixed concentric and parallel to the wheels;
ii) 1 or 2, as appropriate, disc callipers with pads about each disc;
and, iii) some hydraulic or other mechanical linkage through which the operator may activate the system causing the disc pads within the calliper to press on the disc and the wheel to slow and stop rotation accordingly.
Bicycles and other vehicles so equipped with disc brakes on the front wheel are generally equipped with the brake callipers mounted directly to the front suspension forks or some associated structure which moves in concert with the suspension. When the disc brakes are applied the mass of the bike and rider causes the suspension to compress or "dive".
Using the case of a bicycle as demonstration, this effect causes a complex change in the geometry of the vehicle. The "rake" or angle of the front wheel suspension, relative to the road, is reduced thereby increasing the angular momentum of the entire vehicle around the front axle. Under extreme braking conditions this could cause the rear (driving) wheel to leave the ground.
When front disc brakes not so improved by this invention are applied whilst driving around a corner, the "diving" action compromises the safe operation of the vehicle through the changes to the vehicle's geometry. This loss of control may result in a wide range of outcomes, the most severe of which is a complete loss of control.
When front disc brakes not so improved by this invention are applied whilst driving in a straight line, the "diving" action compromises the ability for the front suspension to articulate in a full and complete manner. This effect results in reduced rider comfort, increased wear on the bicycle, and the potential for a loss of control.
Mechanical Anti-Dive Braking System THE INVENTIVE IDEA WHICH THE NEW ARTICLE OR PROCESS EMBODIES, AND THE WAY IN
WHICH RESORT TO IT OVERCOMES THE DIFFICULTIES AND INCONVENIENCES OF PREVIOUS
PRACTICES OR PROPOSALS
It has been observed that the "diving" tendencies of conventional front disc braking systems is overcome by mounting each brake calliper on a swing-arm having an axis of rotation or pivot around the wheel axle. Attached to the end of each swing-arm is a rod which extends upwards to another connection integral to a brace plate (a plate through which the front suspension assembly passes). The connection of this rod to both the swing-arm and the fork brace is accomplished through pivoting joint assemblies.
Through this mechanism the forces generated during an application of the front brakes) are transferred to the frame of the vehicle rather than to the front suspension. It should be stressed that this mechanical anti-dive braking system does not compromise the normal suspension behaviour at any time. The sole effect is to reduce or eliminate "dive" while allowing the front suspension to function fully before, during, and after braking.
The geometry of the vehicle is not materially affected by the invention and the operator is able to maintain normal positive control at all times. The greatest benefit of this system is derived during the common combination of braking while the suspension is active - while cornering or passing over obstructions. It is during cornering that the "diving" tendencies of a ordinarily-braked bicycles and other vehicles so equipped with front disc brakes, are most pronounced and contribute to significant reduction in operator control.
This mechanical anti-dive braking system also addresses previous attempts to control this "diving" tendency of bicycles and other vehicles so equipped with front disc brakes while the front brakes are applied. Other systems use the existing hydraulic system within the suspension (if so equipped) to allow the flow of fluid through a bypass valve in order to dampen the front suspension during braking. It has been observed that these systems are deficient in three key respects:
i) the use of the existing hydraulic system necessitates the inclusion of additional lengths of brake line and joints/couplings.
Braking energy is reduced by the transfer of hydraulic energy to the additional lengths of brake lines and the additional joints increases the probability of leakage;
ii) the hydraulic anti-dive systems currently available continue to use brake callipers mounted directly to the front forks of the vehicle.
This configuration significantly inhibits the potential benefits of the attempted solution to the problem; and, iii) due to the requirement for conscientious servicing and maintenance these hydraulic systems tend to fail rapidly and are rendered ineffective after a relatively short time.
Other systems may also use mechanical linkages which are integral to the suspension assembly itself. This invention is superior to an integrated system in that it is independent of the suspension and can be adapted readily to the travel length of any front suspension system employed in the construction of bicycles and other vehicles so equipped with front disc Mechanical Anti-Dive Braking System brakes. This adaptation can be easily accomplished through the use of components with varying specifications for length, diameter, bearings, fittings, etc. Accordingly, this invention makes no claim to its use with a particular suspension system.
A FULL DESCRIPTION OF THE BEST WAY OF USING OR PUTTING INTO OPERATION THE
INVENTIVE IDEA (THE DRAWINGS) The use of the invention is illustrated herein by its application to the front disc braking system on a bicycle or other vehicle so equipped with front disc brakes. The assembly is comprised of the swing-arm (PART #1) the energy transfer rod (PART #2) and a brace plate (PART #3) or other mounting plate affixed near the frame to the stanchions of the front suspension.
The swing-arm is installed to be parallel to the ground suspended between the axle (A) and the energy transfer rod. The energy transfer rod is adjusted to form a slight acute angle (towards the front axle) between itself and the swing-arm.
This entire system remains essentially mono-planar and parallel to the wheel.
The brake calliper (PART B) is mounted so as to maintain a constant radius from the axle (PART A). In this fashion, when the suspension is compressed independent of any braking activity the swing-arm and the attached brake calliper may rotate as required about the axle. When the front brake is applied the swing-arms attempt to rotate and are prevented from doing so by the energy transfer rod. Since this energy is not transferred to the front suspension, the suspension fork does not compress as the result of braking.
However, the suspension will continue to operate normally and fully during the application of the front brake due to the pivoting action of the connections between the axle/swing-arm, the swing-arm/energy transfer rod, and the energy transfer rod/fork brace plate.
The invention illustrated comprises a swing-arm (PART #1) which is adapted freely to embrace and pivot about the wheel axle (PART A). It may be formed from aluminum or other metal by machining, casting, or other method in one or more parts. This swing-arm is suspended from the motorcycle frame by an energy transfer rod (PART #2) which is affixed to the swing-arm and the fork brace plate (PART #3) by pivoting connections. These pivoting connections may be bolts or machined pins riding on bushings or bearings. The brake calliper (PART B) is affixed securely to the swing-arm in such a fashion to maintain a constant radius about the axle.
Note: it is envisioned that the hydraulic or cable brake lines may pass through the energy transfer rod or may be external to the energy transfer bar. One other variation may find the hollow energy transfer rod as an integral part of the hydraulic brake line itself through the use of line fittings at the top and bottom of the rod shaft.
Mechanical Anti-Dive Braking System THE EMBODIMENT OF THE INVENTION IS ILLUSTRATED AS FOLLOWS:
FIG l: A 3/4 view of the components of this invention, partly in section.
FIG 2: A side view of the assembled invention showing the relationship between the swing-arm, the energy transfer rod, and the suspension fork brace plate as would be observed on a bicycle installation - rider's left side.
Note the slight acute angle between the swing-arm (PART #1) and the energy transfer rod (PART #3). Note also the orientation of the suspension fork brace plate (PART #3) to the front suspension fork indicated by the dotted lines.
FIG 3: A side view showing the invention in situ. Upon an application of the brakes fluid would flow through the brake lines (PART C) and activate the calliper (PART B) which would in turn press on the disc (PART D) causing the wheel (PART E) to slow and stop. Under the application of the brake the swing-arm (PART #1) would tend to rotate upwards about the axle (PART A).
This rotation would be prevented by equal and opposite force downwards through the energy transfer rod (PART ##2) attached to the suspension by the fork brace plate (PART #3). Because the energy transfer rod is mounted to pivot at both ends and the swing-arm pivots about the axle the suspension is unencumbered and is free to compress or not as the situation demands before, during, or after braking.
OTHER WAYS IN WHICH THE INVENTIVE IDEA MAY BE USED OR PUT INTO OPERATION
This assembly, embodying the components described herein could be used in braking applications for all manner of wheels or flywheels and should not be considered to be restricted to bicycles so equipped with disc brakes.
Indeed, there could be an application and use of this invention in any circumstance where disc brakes are used to slow a wheel.
Claims (5)
1. A front disc braking assembly for bicycles and other vehicles so equipped with disc brakes, comprising a swing-arm (constructed from one or more components) rotating about the axle, a plate affixed to the front suspension or other non-moving vehicle component, and a bar connecting the aforementioned two components. These components are assembled in order to reduce and/or eliminate the inadvertent and undesirable compression of the suspension upon application of the brakes.
2. An assembly as defined in claim 1 in which the brake calliper(s) is affixed to the swing-arm in such a fashion as to maintain a constant radius of rotation about the disc and axle.
3. An assembly as defined in claim 1 or 2 in which the bar may be filled with brake fluid as an integral component of both the energy transfer system and the hydraulic system.
4. An assembly as defined in claim 1 or 2 or 3 which may be installed in tandem and in which the distal ends of a pair of swing-arms may be attached to each other.
5. An assembly as defined in claim 1 or 2 where any wheel or flywheel is suspended by an axle through its axis which is mounted in a suspension system and where the speed of rotation of the wheel about the axis is altered from time to time by the application of pressure on the wheel or on a disc affixed concentrically to the wheel where the function of the assembly is to reduce or eliminate compression or extension of the suspension system occasioned by the application of the braking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2246683 CA2246683A1 (en) | 1998-09-22 | 1998-09-22 | Mechanical anti-dive braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2246683 CA2246683A1 (en) | 1998-09-22 | 1998-09-22 | Mechanical anti-dive braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2246683A1 true CA2246683A1 (en) | 2000-03-22 |
Family
ID=29409863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2246683 Abandoned CA2246683A1 (en) | 1998-09-22 | 1998-09-22 | Mechanical anti-dive braking system |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2246683A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201800004697A1 (en) * | 2018-04-19 | 2019-10-19 | Marco Andreani | OPPOSITE ROTATION BRAKE CALIPER ATTACHMENT |
| US11603148B2 (en) | 2019-06-21 | 2023-03-14 | C3 Powersports 2014 Ltd | Dive-resistant suspension for a snow machine |
| EP4289713A1 (en) * | 2022-06-08 | 2023-12-13 | Roman Juris | Front suspension of a single-track vehicle with progressive suspension |
-
1998
- 1998-09-22 CA CA 2246683 patent/CA2246683A1/en not_active Abandoned
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201800004697A1 (en) * | 2018-04-19 | 2019-10-19 | Marco Andreani | OPPOSITE ROTATION BRAKE CALIPER ATTACHMENT |
| US11603148B2 (en) | 2019-06-21 | 2023-03-14 | C3 Powersports 2014 Ltd | Dive-resistant suspension for a snow machine |
| EP4289713A1 (en) * | 2022-06-08 | 2023-12-13 | Roman Juris | Front suspension of a single-track vehicle with progressive suspension |
| WO2023239310A1 (en) * | 2022-06-08 | 2023-12-14 | Roman Juris | Front fork assembly of a single-track vehicle with progressive suspension |
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| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |