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GB2607760B - Bicycle gearbox having segmented sprockets - Google Patents

Bicycle gearbox having segmented sprockets Download PDF

Info

Publication number
GB2607760B
GB2607760B GB2211812.9A GB202211812A GB2607760B GB 2607760 B GB2607760 B GB 2607760B GB 202211812 A GB202211812 A GB 202211812A GB 2607760 B GB2607760 B GB 2607760B
Authority
GB
United Kingdom
Prior art keywords
sprockets
segmented
bicycle gearbox
gearbox
bicycle
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.)
Active
Application number
GB2211812.9A
Other versions
GB2607760A (en
GB202211812D0 (en
Inventor
M Earle David
A Hilgenberg William
Allen David
Bennett Kyle
Kent Miller Ryan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Praxis Works LLC
Original Assignee
Praxis Works LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US16/792,050 external-priority patent/US10989281B2/en
Priority claimed from US16/998,010 external-priority patent/US11572131B2/en
Application filed by Praxis Works LLC filed Critical Praxis Works LLC
Publication of GB202211812D0 publication Critical patent/GB202211812D0/en
Publication of GB2607760A publication Critical patent/GB2607760A/en
Application granted granted Critical
Publication of GB2607760B publication Critical patent/GB2607760B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • 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
    • B62M23/00—Transmissions characterised by use of other elements; Other transmissions
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/30—Chain-wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
    • F16H9/24—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using chains or toothed belts, belts in the form of links; Chains or belts specially adapted to such gearing
    • 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
    • B62M9/14—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 the wheels being laterally shiftable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Structure Of Transmissions (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Transmission Devices (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
GB2211812.9A 2020-01-19 2021-01-19 Bicycle gearbox having segmented sprockets Active GB2607760B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202062963064P 2020-01-19 2020-01-19
US16/792,050 US10989281B2 (en) 2019-02-14 2020-02-14 Bicycle gearbox having segmented sprockets
US202063067911P 2020-08-20 2020-08-20
US16/998,010 US11572131B2 (en) 2019-02-14 2020-08-20 Bicycle gearbox having segmented sprockets
PCT/US2021/013993 WO2021146721A1 (en) 2020-01-19 2021-01-19 Bicycle gearbox having segmented sprockets

Publications (3)

Publication Number Publication Date
GB202211812D0 GB202211812D0 (en) 2022-09-28
GB2607760A GB2607760A (en) 2022-12-14
GB2607760B true GB2607760B (en) 2023-10-04

Family

ID=76864467

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2211812.9A Active GB2607760B (en) 2020-01-19 2021-01-19 Bicycle gearbox having segmented sprockets

Country Status (4)

Country Link
DE (2) DE212021000300U1 (en)
GB (1) GB2607760B (en)
TW (1) TWI873275B (en)
WO (1) WO2021146721A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130267362A1 (en) * 2010-07-15 2013-10-10 University Of Utah Research Foundation Bicycle Transmission
US20140248982A1 (en) * 2011-07-27 2014-09-04 Vyro Components Gmbh Mechanism for transmitting a rotary movement with variable transmission ratio
US20140323253A1 (en) * 2013-04-30 2014-10-30 Paul Thomas Williams Gearing System and Method of Use
WO2017011841A1 (en) * 2015-07-21 2017-01-26 Vyro Components Gmbh Actuating device for a manual transmission
EP3431816A1 (en) * 2017-07-21 2019-01-23 Haute ecole du paysage, d'ingenierie et d'architecture de geneve Continuously infinite variable transmission system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307237B (en) * 2013-06-17 2015-10-14 徐宇 Flexible engagement infinitely variable transmission
WO2019121579A1 (en) * 2017-12-19 2019-06-27 Piaggio & C. S.P.A. High performance synchronous transmission

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130267362A1 (en) * 2010-07-15 2013-10-10 University Of Utah Research Foundation Bicycle Transmission
US20140248982A1 (en) * 2011-07-27 2014-09-04 Vyro Components Gmbh Mechanism for transmitting a rotary movement with variable transmission ratio
US20140323253A1 (en) * 2013-04-30 2014-10-30 Paul Thomas Williams Gearing System and Method of Use
WO2017011841A1 (en) * 2015-07-21 2017-01-26 Vyro Components Gmbh Actuating device for a manual transmission
EP3431816A1 (en) * 2017-07-21 2019-01-23 Haute ecole du paysage, d'ingenierie et d'architecture de geneve Continuously infinite variable transmission system

Also Published As

Publication number Publication date
TW202140324A (en) 2021-11-01
WO2021146721A1 (en) 2021-07-22
DE112021000625T5 (en) 2022-11-10
DE212021000300U1 (en) 2022-10-10
GB2607760A (en) 2022-12-14
GB202211812D0 (en) 2022-09-28
TWI873275B (en) 2025-02-21

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