CA2082401A1 - Electronic transmission control system for a bicycle or the like - Google Patents

Electronic transmission control system for a bicycle or the like

Info

Publication number
CA2082401A1
CA2082401A1 CA002082401A CA2082401A CA2082401A1 CA 2082401 A1 CA2082401 A1 CA 2082401A1 CA 002082401 A CA002082401 A CA 002082401A CA 2082401 A CA2082401 A CA 2082401A CA 2082401 A1 CA2082401 A1 CA 2082401A1
Authority
CA
Canada
Prior art keywords
bicycle
control system
transmission control
electronic transmission
cadence
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.)
Granted
Application number
CA002082401A
Other languages
French (fr)
Other versions
CA2082401C (en
Inventor
Stephen Bellio
Gerald P. Eidelman
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.)
E B T Inc
Original Assignee
Stephen Bellio
Gerald P. Eidelman
E.B.T., Inc.
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 Stephen Bellio, Gerald P. Eidelman, E.B.T., Inc. filed Critical Stephen Bellio
Publication of CA2082401A1 publication Critical patent/CA2082401A1/en
Application granted granted Critical
Publication of CA2082401C publication Critical patent/CA2082401C/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
    • 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
    • B62M9/12—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 chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/121—Rear derailleurs
    • B62M9/122—Rear derailleurs electrically or fluid actuated; Controls thereof
    • 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
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/08—Actuators for gearing speed-change mechanisms specially adapted for cycles with electrical or fluid transmitting systems
    • 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
    • B62M9/12—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 chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • 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
    • B62M9/12—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 chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/131—Front derailleurs
    • B62M9/132—Front derailleurs electrically or fluid actuated; Controls thereof
    • 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
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M2025/003—Actuators for gearing speed-change mechanisms specially adapted for cycles with gear indicating means, e.g. a display
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/2003—Electrical actuator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20037—Occupant propelled vehicle

Abstract

An electro-mechanical system for shifting gears (316, 320) on a bicycle (20) calculates gear ratios based on rider cadence and bicycle speed and then sorts the gear ratios in order from lowest to highest. During automatic operation, the system determines if a calculated cadence is within limits set by the rider, and changes the gear ratio as necessary in order to keep the calculated cadence within predetermined limits.
CA002082401A 1990-05-08 1991-04-30 Electronic transmission control system for a bicycle or the like Expired - Fee Related CA2082401C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/520,627 1990-05-08
US07/520,627 US5059158A (en) 1990-05-08 1990-05-08 Electronic transmission control system for a bicycle
PCT/US1991/002948 WO1991017078A1 (en) 1990-05-08 1991-04-30 Bicycle electronic transmission control system

Publications (2)

Publication Number Publication Date
CA2082401A1 true CA2082401A1 (en) 1991-11-09
CA2082401C CA2082401C (en) 2002-07-16

Family

ID=24073412

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002082401A Expired - Fee Related CA2082401C (en) 1990-05-08 1991-04-30 Electronic transmission control system for a bicycle or the like

Country Status (7)

Country Link
US (5) US5059158A (en)
EP (1) EP0527864B1 (en)
JP (1) JPH10511621A (en)
AT (1) ATE167650T1 (en)
CA (1) CA2082401C (en)
DE (1) DE69129656T2 (en)
WO (1) WO1991017078A1 (en)

Families Citing this family (268)

* Cited by examiner, † Cited by third party
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US5728017A (en) 1998-03-17
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US5356348A (en) 1994-10-18
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US5569104A (en) 1996-10-29
US5538477A (en) 1996-07-23
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EP0527864A1 (en) 1993-02-24
EP0527864B1 (en) 1998-06-24

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