Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
  • B62L3/00—Brake-actuating mechanisms; Arrangements thereof
  • B62L3/04—Brake-actuating mechanisms; Arrangements thereof for control by a foot lever
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
  • B62J25/00—Foot-rests; Knee grips; Passenger hand-grips
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
  • B62J25/00—Foot-rests; Knee grips; Passenger hand-grips
  • B62J25/06—Bar-type foot rests
• • 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 SIDECARS, FORECARS, OR THE LIKE
  • B62K19/00—Cycle frames
  • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
  • B62K19/38—Frame parts shaped to receive other cycle parts or accessories for attaching brake members
• • 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 SIDECARS, FORECARS, OR THE LIKE
  • B62K23/00—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips
  • B62K23/08—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips foot actuated
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
  • B62L1/00—Brakes; Arrangements thereof
  • B62L1/005—Brakes; Arrangements thereof constructional features of brake elements, e.g. fastening of brake blocks in their holders
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
  • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
  • G05G1/30—Controlling members actuated by foot
  • G05G1/48—Non-slip pedal treads; Pedal extensions or attachments characterised by mechanical features only
  • G05G1/483—Non-slip treads; Pedal extensions or attachments characterised by mechanical features only
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
  • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
  • G05G1/30—Controlling members actuated by foot
  • G05G1/48—Non-slip pedal treads; Pedal extensions or attachments characterised by mechanical features only
  • G05G1/487—Pedal extensions
• • 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 SIDECARS, FORECARS, OR THE LIKE
  • B62K23/00—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips
  • B62K23/02—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips hand actuated
  • B62K23/04—Twist grips

Definitions

• the current invention relates to rear braking in motorcycling; and particularly, to enhancing access to rear braking in all riding postures.
• a motorcycle, rear- brake adaptor unit including: an adapted rear-brake lever in communication with a rear brake hydraulic master cylinder; a step-plate connected to the adapted rear-brake lever, the step-plate disposed in a position accessible to a downwardly sloping rider foot resting on a foot peg.
• an adapted step-plate having a connection configuration for receiving the adapted rear-brake lever.
• the adapted rear-brake lever is implemented as a step-plate extension.
• the step-plate extension is releasably mounted to the adapted step-plate so as to form an angle between 10°-70° relative to the horizontal.
• the step-plate extension is releasably mounted to the adapted step-plate so as to form an angle between 20°-50° relative to the horizontal.
• a spring arrangement configured to bias the step-plate extension into a deployment position.
• the spring arrangement includes a coil torsional spring arrangement configured to bias the step-plate extension into a deployment position.
• a detent mechanism configured to releasably secure the step-plate extension in a non-deployment position.
• the spring arrangement includes a compression spring arrangement configured to bias the step-plate extension into either a deployment or a non-deployment state.
• a lower step-plate mounted to the lever extension, the lower step-plate securable in any one of a plurality of longitudinal positions within the step-plate extension.
• a limiter bolt configured to define a maximum deployment angle of the step-plate extension.
• the adapted rear-brake lever is implemented as a brake-lever extension.
• a lower step-plate mounted to the brake-lever extension, the lower step-plate securable in any one of a plurality of positions within the brake-lever extension.
• the lower step-plate is operative to be secured in any one of a plurality of orientations.
• a motorcycle, rear-brake adaptor unit including, a motorcycle rear-brake lever in communication with a rear master brake cylinder; a step-plate mounted to the motorcycle rear-brake lever;
• a lever extension integrally connected to the motorcycle rear-brake lever; and a lower step-plate mounted to the lever extension, the lower step-plate disposed in a position accessible to a downwardly sloping rider foot resting on a foot peg.
• the lower step-plate is securable in any one of a plurality of positions within the lever extension.
• the lower step-plate is securable in any one of a plurality of orientations.
• FIG. 1A is a schematic depiction of knee and foot posture during natural/attack position
• FIG. IB is a schematic depiction of an unsustainable foot posture enabling access to the brake pedal necessitated by riding in the natural or the attack positions of FIG. 1 A;
• FIG. 2 is a schematic depiction of foot posture during a wheelie maneuver
• FIG. 3 is a schematic depiction of foot posture during dual riding
• FIG. 4 is a schematic, perspective side-view of a pivotally-mounted, rear-brake adaptor unit, implemented as a step-plate extension;
• FIG. 5A is a schematic, perspective side-view of a connection configuration of the step- plate extension of FIG. 4 to the upper step-plate, according to an embodiment
• FIG. 5B is a schematic, side-view of the connection configuration of Fig. 4, depicting a range of angles at which step-plate extension can be configured to facilitate rider needs; according to an embodiment
• FIGS. 6A-6B are schematic, perspective cross-sectional side-views of a retractable step- plate extension in deployed and non-deployed states, respectively; according to a torsion spring embodiment;
• FIGS. 6C-6D are schematic, cross-sectional perspective cross-sectional side-views of the step-plate extension depicting a limiter bolt operative to define a deployment angle in accordance with rider needs; according to a torsion spring embodiment,
• FIGS. 7A-7B are schematic, perspective side-views of a retractable step-plate extension in deployed and non-deployed states, respectively; according to a compression spring embodiment,
• FIG. 8 is a perspective side-view of a motorcycle rear-brake adaptor unit implemented as a brake-lever extension; according to a second embodiment,
• FIG. 9 is an exploded perspective view of the motorcycle the brake-lever extension of FIG. 9 depicting connection with a motorcycle frame and existing brake actuation hardware; according to an embodiment,
• FIG. 10 is a perspective rear-view of the brake-lever extension of FIG. 10 in a deployment state; according to embodiment,
• FIG. 11 is a perspective side-view of a rear-brake adaptor unit implemented integrally with the motorcycle brake lever; according to an embodiment, and
• FIG. 12 is a schematic depiction of highlighting constant access to a brake pedal foot posture enabled by the brake adaptation unit; according to an embodiment.
• FIGS. 1A-1B depict a rider in a natural/attack posture. As shown, in close-ups 100 and 105, the rider is compelled to position the foot underneath rear-brake step-plate 130 at a downward angle between 20°-30° relative to the horizontal while the foot rests on foot peg 120. Stepping on step-plate 130 from such foot posture is a
• step-plate 130 can easily exceed a 20° dorsifl exion limit.
• the thick protective boots 110 further inhibit ankle motion to the point that a rider must assume an impossible foot posture above step-plate 130 as shown in close up 140 of FIG. IB. It should be appreciated that these braking impediments also exist when a rider is seated in a normal riding position in the middle of the seat, as noted above.
• FIG. 2 is a schematic depiction of foot posture during a wheelie maneuver. As shown in close-up 200, during the maneuver foot position naturally assumes a position underneath step- plate 130. The absence of instantaneous, rear brake control means there is a very high risk of flipping the motorcycle backwards and causing injury or even endangering life.
• FIG. 3 depicts a dual rider scenario in which the front rider is sitting in a position shifted to the front of the seat thereby creating the foot posture non-conducive to complete rear brake control, as shown in close-up 300.
• FIG. 4 is a schematic, perspective side-view of an ergonomic, motorcycle rear-brake adaptor unit 400 including an adapted rear-brake lever implemented as a step-plate extension 420, an adjustable, lower step-plate 430 and an adapted step-plate 415, according to an embodiment.
• adapted step-plate 415 interfaces with the distal end of brake lever 410 pivotally mountable to a bike frame (not shown) at planet joint 450.
• Lever 410 is linked to hydraulic master cylinder 440 through push rod 445.
• foot pressure A applied to lower step-plate 430 rotates lever 410 rotation B and drives push rod 445 into cylinder 440 as if the pressure was applied to upper step-plate 415 thereby advantageously providing rear braking capacity from two possible foot positions found in various riding postures.
• FIGS. 5A-5B are schematic, perspective side-views of a connection configuration of step-plate extension 420 with adapted step-plate 415, according to an embodiment.
• step-plate extension 420 is mounted to adapted plate 415 though bolt 447 and secured with bolts 445 at any chosen angle between 10° to 70° relative to the horizontal, as depicted in Fig. 5B, to facilitate rider needs. It should be appreciated that in a certain embodiment step-plate extension 420 is connectable to brake lever 410 directly.
• Lower step-plate 430 is rotatable and slidably mounted to step-plate extension 420 by way of parallel grooves 425 and secured at the desired height in grooves 425 at the desired orientation by way of bolts 427.
• connection configuration means providing functionality of bolts 445, 427 and grooves 440 and 425 are also included within the scope of the present invention.
• FIGS. 6A-6B are schematic, perspective, cross-sectional side-views of a retractable embodiment of step-plate extension 420 in deployed and non-deployed states, respectively, according to a torsion spring embodiment.
• step-plate extension 420 is fitted with a spring arrangement operative to retract step-plate extension 420 when needed and recoil into a deployment position.
• the spring arrangement 640 in which the spring coil is anchored in the body of upper step-plate 415 and biased to drive step-plate extension 420 into a deployment angle defined by limiter bolt 470 as will be further discussed.
• Step-plate extension 420 includes a detent mechanism that in a certain embodiment includes an embedded plunger spring 620 driving an engagement ball 615 disposed in a sleeve such that ball 615 locks into a corresponding spherical catch 610 disposed in the body of upper plate 415.
• step-plate extension 420 is not permanently fixed at a deployment angle to advantageously enable step-plate extension 420 to rotate upwards toward brake lever 410 responsively to impact with obstacles, or the road during sharp banking, and recoil into a deployment angle.
• engagement ball 615 is captured by spherical catch 610 thereby releasably securing extension 420 in a substantially horizonal, non-deployment position until the rider unlocks the detent by pushing step-plate 430 downwards sufficiently to release plunger engagement ball 615 from spherical catch 610.
• torsion spring 640 drives step-plate extension 420 into a deployment angle.
• the coil portion of the torsion spring arrangement 640 is anchored in step-plate extension 420. Additionally, in a certain variant embodiment the biasing spring of plunger engagement ball 615 is disposed in the body of upper step-plate 430 and catch 610 is disposed in step-plate extension 420. It should be appreciated that other types of detent mechanisms are included within the scope of the present invention.
• FIGS. 6C-6D are schematic, perspective cross-sectional side-views of step-plate extension 420 having a deployment angle limiter bolt 470 defining an angle of deployment.
• limiter bolt 470 is disposed in a threaded sleeve 465 and advances or regresses in sleeve 465 depending on rotation direction. Abutment of limiter 470 on the body of upper pedal 415 defines a deployment angle of step-plate extension 420.
• deployment angle limiter 470 is configured to advance in predefined segments in the absence of threading.
• limiter 470 is set into the body of adapted upper step-plate 415 and abuts on step-plate extension 420 to define maximum deployment angle.
• FIGS. 7A-7B are schematic, cross-sectional perspective side-views of variant embodiment of the spring arrangement of a retractable step-plate extension 420 in deployed state and a non-deploy ed state, respectively; according to a compression spring embodiment.
• step-plate extension 420 is fitted with a compression spring 710 configured to bias plunger 715 into a state of abutment with surfaces 730.
• a compression spring 710 configured to bias plunger 715 into a state of abutment with surfaces 730.
• step-plate extension 420 is not permanently fixed in a deployment angle to advantageously enable step-plate extension 420 to rotate upwards responsively to impact with obstacles during travel and recoil into a deployment angle.
• plunger 715 When upward rotation achieves a threshold angle between 10°-15° relative to the horizontal, plunger 715 will be driven past an angle of abutment with surface 725 and assume a substantially horizonal, non-deployment position until the rider releases plunger engagement by pushing lower step-plate 430 downwards.
• spring arrangement is implemented with one or more tension springs, a leaf spring, a bistable spring, or other biasing elements providing such functionality.
• FIG. 8 is a perspective side-view of a second embodiment of a motorcycle rear-brake adaptor unit 400 including an adapted rear-brake lever implemented as a brake-lever extension 820 pivotally mounted to bracket 810 with step-plate 430. Attachment of bracket 810 to motorcycle frame 860, foot peg 120 to bracket 810, and lower step-plate 430 to brake-lever extension 820 are shown in the exploded view of FIG. 9. Also shown in FIG. 9 is the interface between pivotally mounted brake-lever extension 820 with push rod 445 such that rod 445 can be advantageously driven by either motorcycle lever 410 or brake-lever extension 820 upon application of pressure to the respective step plate.
• FIG. 10 is a perspective rear-view of the brake-lever extension embodiment of motorcycle rear-brake adaptor unit during operation. As shown, pressure A applied to lower step- plate 430 brake-lever extension 820 around pivotal mount 850 and also rotates lever 410 around pivotal mount 450 as depicted by arrows C.
• brake-lever extension 820 is implemented as two lever elements, 825 and 820 that releasable interlock at chosen angle in accordance with rider needs.
• FIG. 11 is a perspective side-view of rear-brake adaptor unit 400 including an adapted rear-brake lever implemented as an integral lever extension 422; according to an embodiment.
• integral lever extension 422 extends directly from brake lever 410 and provides brake access when riding posture is non-conducive to use of step-plate 415 as noted above.
• This embodiment also employs configurable lower step-plate 430.
• adapted step-plate 415 is implemented in the absence of adaptations.
• FIG. 12 is a schematic depiction of a rider utilizing the brake adaptation unit 400 to maintain constant contact with a step-plate 430 while foot 110 rests on foot peg 120 to advantageously negate the danger and discomfort associated with holding the foot above upper step-plate 130 as necessitated by the various riding postures noted above.
• motorcycle rear-brake adaptor unit is constructed from aluminum, metallic alloys, polymeric materials, or a combination as employed in the construction of motorcycle brake levers.
• Known constructions methods like machining, casting, forging, or printing, for example, are all suitable construction methods.
• embodiments formed from combinations of features set forth in separate embodiments are also within the scope of the present invention.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Automation & Control Theory (AREA)
• Braking Elements And Transmission Devices (AREA)
• Mechanical Control Devices (AREA)

Priority Applications (10)

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Publications (1)

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• 2019
  • 2019-05-19 US US16/416,240 patent/US10569826B1/en active Active
• 2020
  • 2020-05-19 KR KR1020217041561A patent/KR102932976B1/ko active Active
  • 2020-05-19 WO PCT/IL2020/050548 patent/WO2020234876A1/en not_active Ceased
  • 2020-05-19 IL IL274783A patent/IL274783B/en unknown
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  • 2020-05-19 CA CA3137851A patent/CA3137851A1/en active Pending
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