IT1041460B - CHAIN DERAILLEUR FOR SPEED CHANGE IN BICYCLES - Google Patents

CHAIN DERAILLEUR FOR SPEED CHANGE IN BICYCLES

Info

Publication number
IT1041460B
IT1041460B IT7569015A IT6901575A IT1041460B IT 1041460 B IT1041460 B IT 1041460B IT 7569015 A IT7569015 A IT 7569015A IT 6901575 A IT6901575 A IT 6901575A IT 1041460 B IT1041460 B IT 1041460B
Authority
IT
Italy
Prior art keywords
bicycles
speed change
chain derailleur
derailleur
chain
Prior art date
Application number
IT7569015A
Other languages
Italian (it)
Inventor
Nagano Masashi
Original Assignee
Shimano Industrial Co
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 JP8931474A external-priority patent/JPS5118045A/en
Priority claimed from JP9044774A external-priority patent/JPS5118046A/en
Priority claimed from JP10313774A external-priority patent/JPS5128934A/en
Priority claimed from JP11748174A external-priority patent/JPS5143541A/en
Priority claimed from JP12295474A external-priority patent/JPS5150141A/en
Priority claimed from JP50024394A external-priority patent/JPS5198842A/ja
Application filed by Shimano Industrial Co filed Critical Shimano Industrial Co
Application granted granted Critical
Publication of IT1041460B publication Critical patent/IT1041460B/en

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
    • B62M9/124—Mechanisms for shifting laterally
    • B62M9/1244—Mechanisms for shifting laterally limiting or positioning the movement
    • 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
    • B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
    • B62M25/04—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated
    • 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
    • Y10T74/20396—Hand operated
    • Y10T74/20402—Flexible transmitter [e.g., Bowden cable]
    • Y10T74/2042—Flexible transmitter [e.g., Bowden cable] and hand operator
    • Y10T74/20438—Single rotatable lever [e.g., for bicycle brake or derailleur]
    • 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
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents
    • Y10T74/2066—Friction

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Transmissions By Endless Flexible Members (AREA)
IT7569015A 1974-08-03 1975-08-01 CHAIN DERAILLEUR FOR SPEED CHANGE IN BICYCLES IT1041460B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP8931474A JPS5118045A (en) 1974-08-03 1974-08-03 GAISOHEN SOKUKI
JP9044774A JPS5118046A (en) 1974-08-06 1974-08-06 GAISOHEN SOKUKI
JP10313774A JPS5128934A (en) 1974-09-06 1974-09-06 GAISOHEN SOKUKI
JP11748174A JPS5143541A (en) 1974-10-12 1974-10-12 Gaisohensokukino kirikaesochi
JP12295474A JPS5150141A (en) 1974-10-23 1974-10-23 GAISOHEN SOKUKI
JP50024394A JPS5198842A (en) 1975-02-25 1975-02-25

Publications (1)

Publication Number Publication Date
IT1041460B true IT1041460B (en) 1980-01-10

Family

ID=27549166

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7569015A IT1041460B (en) 1974-08-03 1975-08-01 CHAIN DERAILLEUR FOR SPEED CHANGE IN BICYCLES

Country Status (5)

Country Link
US (1) USRE30524E (en)
DE (1) DE2521043B2 (en)
FR (1) FR2280542A1 (en)
GB (1) GB1507364A (en)
IT (1) IT1041460B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52133634A (en) * 1976-04-30 1977-11-09 Shimano Industrial Co Delayer for bicycle
FR2443373B1 (en) * 1978-12-04 1985-12-13 Huret Roger CYCLE CRANKSET
US4306871A (en) 1978-12-30 1981-12-22 Shimano Industrial Company, Limited Rear derailleur and control wire guide
US4507101A (en) * 1982-04-07 1985-03-26 Shimano Industrial Company Limited Speed control device for a bicycle
AT376185B (en) * 1982-10-11 1984-10-25 Schmidt Richard GEAR SHIFT FOR BICYCLES
US6638190B2 (en) * 1997-12-24 2003-10-28 Richard A. Patterson Compact hydraulically-operated derailleur shifting system for bicycles
DE19932513A1 (en) * 1999-07-12 2001-01-18 Helmig Hans Gmbh Switching device for a chain gear shift for actuating the chain wheel group on the wheel of a bicycle
US7527571B2 (en) * 2004-12-20 2009-05-05 Shimano Inc. Rear derailleur for bicycle
US9327792B2 (en) 2011-01-28 2016-05-03 Paha Designs, Llc Gear transmission and derailleur system
US9033833B2 (en) 2011-01-28 2015-05-19 Paha Designs, Llc Gear transmission and derailleur system
US10207772B2 (en) 2011-01-28 2019-02-19 Paha Designs, Llc Gear transmission and derailleur system
IN2014DN06109A (en) * 2012-02-06 2015-08-14 Rotor Componentes Tecnológicos S L
ITMI20142069A1 (en) * 2014-12-02 2016-06-02 Campagnolo Srl DERAILLEUR OF A BICYCLE CHANGE AND METHOD OF ELECTRONICALLY CONTROL OF A BICYCLE CHANGE
ITUA201696738U1 (en) * 2016-05-04 2017-11-04 Campagnolo Srl ACTUATOR DEVICE FOR A BICYCLE CHANGE AND ITS BICYCLE CHANGE.
DE102020209370A1 (en) * 2019-08-08 2021-02-11 Sram Deutschland Gmbh Bicycle rear derailleur, especially with a spring / damper assembly

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR962997A (en) * 1950-06-28
FR785015A (en) * 1935-02-01 1935-07-31 Bicycle chain derailleur, for gear shifting by stepped gears
FR801223A (en) * 1935-05-01 1936-07-30 Improvements made to chain derailleurs for cycles
FR823087A (en) * 1936-09-23 1938-01-13 Device for roasters of coffees and materials to be processed in a similar manner which automatically leaves the drum with perfectly toasted beans
FR47985E (en) * 1937-01-04 1937-08-28 Bicycle chain derailleur, for gear shifting by stepped gears
FR844108A (en) * 1938-09-30 1939-07-19 Chain derailleur device for cycle speed change
FR858067A (en) * 1939-04-17 1940-11-16 Improvements to cycle derailleurs
GB530913A (en) * 1939-07-05 1940-12-24 William Kenneth Wasdell Improvements in gear changing mechanism
FR865713A (en) * 1940-02-06 1941-05-31 Fr D Expl Du Systeme Univel Et Device for locking a cycle chain tensioner or others
FR1087957A (en) * 1952-09-08 1955-03-02 Speed change device for cycles
US3088449A (en) * 1959-11-20 1963-05-07 Gen Motors Corp Transmission shifter controls
BE603256A (en) * 1960-05-31 1961-09-01 Lucien Charles Hippolyte Juy Gear shifting by chain derailment, of the articulated parallelogram type, for cycles and similar vehicles
GB931849A (en) * 1961-02-14 1963-07-17 Cyclo Gear Co Ltd Improvements relating to chain shifting and tensioning mechanism for bicycles and the like
US3362238A (en) * 1965-03-29 1968-01-09 Shimano Industrial Co Speed change gear mechanism for a bicycle
US3453899A (en) * 1966-12-23 1969-07-08 Shimano Industrial Co Exposed speed change mechanism of bicycle
US3742777A (en) * 1972-07-18 1973-07-03 W Mathauser Hydraulically operated shift mechanism for bicycles and the like

Also Published As

Publication number Publication date
DE2521043A1 (en) 1976-02-12
FR2280542B1 (en) 1979-01-05
DE2521043B2 (en) 1977-09-08
GB1507364A (en) 1978-04-12
USRE30524E (en) 1981-02-24
FR2280542A1 (en) 1976-02-27

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