GB2251586B - Improvements in the propulsion of cycles - Google Patents

Improvements in the propulsion of cycles

Info

Publication number
GB2251586B
GB2251586B GB9125722A GB9125722A GB2251586B GB 2251586 B GB2251586 B GB 2251586B GB 9125722 A GB9125722 A GB 9125722A GB 9125722 A GB9125722 A GB 9125722A GB 2251586 B GB2251586 B GB 2251586B
Authority
GB
United Kingdom
Prior art keywords
propulsion
cycles
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.)
Expired - Fee Related
Application number
GB9125722A
Other versions
GB2251586A (en
GB9125722D0 (en
Inventor
Stanley Kee Man Kwok
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Priority to GB9418222A priority Critical patent/GB2280406B/en
Priority to GB9418223A priority patent/GB2280153A/en
Publication of GB9125722D0 publication Critical patent/GB9125722D0/en
Publication of GB2251586A publication Critical patent/GB2251586A/en
Application granted granted Critical
Publication of GB2251586B publication Critical patent/GB2251586B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
    • 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
    • B62M13/00—Transmissions characterised by use of friction rollers engaging the periphery of the ground wheel
    • B62M13/02—Transmissions characterised by use of friction rollers engaging the periphery of the ground wheel with changeable ratio, e.g. with roller of varying diameter
    • 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
    • B62M17/00—Transmissions characterised by use of rotary shaft, e.g. cardan shaft
    • 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
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • 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
    • B62M9/08—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving eccentrically- mounted or elliptically-shaped driving or driven wheel; with expansible driving or driven wheel
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
    • F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
    • F16H7/1254—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means
    • F16H7/1281—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially circular path
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0802—Actuators for final output members
    • F16H2007/0804—Leaf springs
    • 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
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H2035/003—Gearings comprising pulleys or toothed members of non-circular shape, e.g. elliptical gears

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
GB9125722A 1990-12-03 1991-12-03 Improvements in the propulsion of cycles Expired - Fee Related GB2251586B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9418222A GB2280406B (en) 1990-12-03 1991-12-03 Improvements in the propulsion of cycles
GB9418223A GB2280153A (en) 1990-12-03 1991-12-03 Bicycle with elliptical pedal sprocket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909026214A GB9026214D0 (en) 1990-12-03 1990-12-03 Improvements in the propulsion of bicycles

Publications (3)

Publication Number Publication Date
GB9125722D0 GB9125722D0 (en) 1992-01-29
GB2251586A GB2251586A (en) 1992-07-15
GB2251586B true GB2251586B (en) 1995-08-09

Family

ID=10686374

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909026214A Pending GB9026214D0 (en) 1990-12-03 1990-12-03 Improvements in the propulsion of bicycles
GB9125722A Expired - Fee Related GB2251586B (en) 1990-12-03 1991-12-03 Improvements in the propulsion of cycles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909026214A Pending GB9026214D0 (en) 1990-12-03 1990-12-03 Improvements in the propulsion of bicycles

Country Status (2)

Country Link
GB (2) GB9026214D0 (en)
HK (2) HK37596A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104890802A (en) * 2015-06-05 2015-09-09 宋兴辉 Transmission connector of electric bicycle

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5626354A (en) * 1994-06-06 1997-05-06 Elliott; David H. Bicycle transmission and the method of utilizing the same
ES2154153B1 (en) * 1998-06-25 2001-11-16 Castillo Jose Luis Castillo TRANSMISSION FOR BIKE BY OVAL DISH.
ES2362835B1 (en) * 2009-02-13 2012-05-25 Jesus Antonio Torres Gascon MOVEMENT TRANSMITTER SYSTEM FOR SPEEDS.
CN101817385A (en) * 2010-04-17 2010-09-01 浙江绿源电动车有限公司 Chainless drive bicycle
FR3056188B1 (en) 2016-09-20 2019-07-26 Philippe Dauphin CYCLE WITH DIRECT TRANSMISSION.

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB449504A (en) * 1934-12-04 1936-06-29 Pierre Van Deuren Improvements in or relating to bicycle transmission drives
GB465669A (en) * 1935-11-27 1937-05-13 Stanley Charles Dexter Improvements in and relating to drive-transmitting means for pedal or manually driven vehicles
GB520069A (en) * 1938-11-16 1940-04-12 Michel Ange Marten Perolino Propelling system for cycles and similar vehicles
GB635043A (en) * 1948-02-18 1950-03-29 Arthur Pryce Goodwin Improvements in or relating to bicycles and other vehicles propelled by a person or persons riding thereon
GB776880A (en) * 1954-10-05 1957-06-12 Otto Bernhard Improvements in or relating to variable-speed gearing, particularly for farm tractors
GB824642A (en) * 1954-12-30 1959-12-02 Albert John Vernon Humphrey Improvements in or relating to flywheel driving means
GB1156529A (en) * 1965-12-14 1969-06-25 Mark Hattan Sprocket Wheel Drives
GB1293296A (en) * 1970-03-16 1972-10-18 Joseph Westley Newman Velocipede
US3863503A (en) * 1973-04-30 1975-02-04 David C Loeb Multispeed, chainless vehicle drive system
US3899932A (en) * 1973-12-19 1975-08-19 Roger Owen Durham Chain retention device for elliptical sprockets
US3934481A (en) * 1975-01-03 1976-01-27 Foster Donald A Automatic friction drive transmission
US4193324A (en) * 1977-12-27 1980-03-18 Clint, Inc. Bicycle sprocket drive apparatus with elliptical pedal path
US4522610A (en) * 1982-06-01 1985-06-11 Shimano Industrial Company Limited Gear crank apparatus for a bicycle
GB2196572A (en) * 1986-10-29 1988-05-05 Fortschritt Veb K Bale press
US4779485A (en) * 1983-01-24 1988-10-25 Lee Dollison Flywheel driven vehicle comprising plural flywheel energizing means and a forward reverse planetary gear set
US4865577A (en) * 1988-09-08 1989-09-12 Trustees Of Columbia University In The City Of New York Noncircular drive
WO1993007044A1 (en) * 1991-10-11 1993-04-15 Michel Sassi Non-circular front chain wheel for crank gear

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB449504A (en) * 1934-12-04 1936-06-29 Pierre Van Deuren Improvements in or relating to bicycle transmission drives
GB465669A (en) * 1935-11-27 1937-05-13 Stanley Charles Dexter Improvements in and relating to drive-transmitting means for pedal or manually driven vehicles
GB520069A (en) * 1938-11-16 1940-04-12 Michel Ange Marten Perolino Propelling system for cycles and similar vehicles
GB635043A (en) * 1948-02-18 1950-03-29 Arthur Pryce Goodwin Improvements in or relating to bicycles and other vehicles propelled by a person or persons riding thereon
GB776880A (en) * 1954-10-05 1957-06-12 Otto Bernhard Improvements in or relating to variable-speed gearing, particularly for farm tractors
GB824642A (en) * 1954-12-30 1959-12-02 Albert John Vernon Humphrey Improvements in or relating to flywheel driving means
GB1156529A (en) * 1965-12-14 1969-06-25 Mark Hattan Sprocket Wheel Drives
GB1293296A (en) * 1970-03-16 1972-10-18 Joseph Westley Newman Velocipede
US3863503A (en) * 1973-04-30 1975-02-04 David C Loeb Multispeed, chainless vehicle drive system
US3899932A (en) * 1973-12-19 1975-08-19 Roger Owen Durham Chain retention device for elliptical sprockets
US3934481A (en) * 1975-01-03 1976-01-27 Foster Donald A Automatic friction drive transmission
US4193324A (en) * 1977-12-27 1980-03-18 Clint, Inc. Bicycle sprocket drive apparatus with elliptical pedal path
US4522610A (en) * 1982-06-01 1985-06-11 Shimano Industrial Company Limited Gear crank apparatus for a bicycle
US4522610B1 (en) * 1982-06-01 1991-08-13 Shimano Industrial Co
US4779485A (en) * 1983-01-24 1988-10-25 Lee Dollison Flywheel driven vehicle comprising plural flywheel energizing means and a forward reverse planetary gear set
GB2196572A (en) * 1986-10-29 1988-05-05 Fortschritt Veb K Bale press
US4865577A (en) * 1988-09-08 1989-09-12 Trustees Of Columbia University In The City Of New York Noncircular drive
WO1993007044A1 (en) * 1991-10-11 1993-04-15 Michel Sassi Non-circular front chain wheel for crank gear

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104890802A (en) * 2015-06-05 2015-09-09 宋兴辉 Transmission connector of electric bicycle
CN104890802B (en) * 2015-06-05 2017-11-10 四川新动脉汽车零部件制造有限公司 The drive joint of electric bicycle

Also Published As

Publication number Publication date
HK37596A (en) 1996-03-15
GB9026214D0 (en) 1991-01-16
GB2251586A (en) 1992-07-15
HK37496A (en) 1996-03-15
GB9125722D0 (en) 1992-01-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971203