IT1251528B - Cambio di velocita' per biciclette,o simili,a comando automatico - Google Patents

Cambio di velocita' per biciclette,o simili,a comando automatico

Info

Publication number
IT1251528B
IT1251528B ITMI912884A ITMI912884A IT1251528B IT 1251528 B IT1251528 B IT 1251528B IT MI912884 A ITMI912884 A IT MI912884A IT MI912884 A ITMI912884 A IT MI912884A IT 1251528 B IT1251528 B IT 1251528B
Authority
IT
Italy
Prior art keywords
chain
bicycles
similar
group
speed change
Prior art date
Application number
ITMI912884A
Other languages
English (en)
Inventor
Giuseppe Arrivabene
Original Assignee
Giuseppe Arrivabene
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 Giuseppe Arrivabene filed Critical Giuseppe Arrivabene
Priority to ITMI912884A priority Critical patent/IT1251528B/it
Publication of ITMI912884A0 publication Critical patent/ITMI912884A0/it
Priority to EP92830532A priority patent/EP0540480A1/en
Priority to US07/964,769 priority patent/US5301571A/en
Publication of ITMI912884A1 publication Critical patent/ITMI912884A1/it
Application granted granted Critical
Publication of IT1251528B publication Critical patent/IT1251528B/it

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
    • 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
    • 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
    • B62M9/123—Rear derailleurs changing gears automatically
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0293—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being purely mechanical
    • 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
    • Y10T74/21—Elements
    • Y10T74/2164—Cranks and pedals
    • Y10T74/2165—Cranks and pedals with attached gear
    • 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
    • Y10T74/21—Elements
    • Y10T74/2164—Cranks and pedals
    • Y10T74/2167—Variable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Structure Of Transmissions (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Control Of Transmission Device (AREA)

Abstract

IL PRESENTE TROVATO HA COME OGGETTO UN CAMBIO DI VELOCITA' PER BICICLETTE, O SIMILI, DEL TIPO COMPRENDENTE UN GRUPPO DI PIGNONI, A NUMERO DIVERSO DI DENTI, CHE SONO CONNESSI AL MOZZO DI UNA RUOTA DELLA BICICLETTA E SONO COLLEGABILI SELETTIVAMENTE, ATTRAVERSO UNA CATENA. AL PIGNONE MOTORE, AZIONATO DAI PEDALI. IL PASSAGGIO DELLA CATENA DA UN PIGNONE ALL'ALTRO, NEL GRUPPO DI PIGNONI SULLA RUOTA, VIENE DETERMINATO DALLO SPOSTAMENTO DA UN ORGANO GUIDA CATENA, DISPOSTO IN PROSSIMITA' DI TALE GRUPPO DI PIGNONI. IL CAMBIO E' CARATTERIZZATO DAL FATTO CHE LO STESSO SPOSTAMENTO DELL'ORGANO GUIDA-CATENA, E QUINDI LA VARIAZIONE DEL RAPPORTO DI TRASMISSIONE, AVVIENE IN MODO AUTOMATICO, IN FUNZIONE DELLO SFORZO ESERCITATO SUI PEDALI. L'ENTITA' DELLO SFORZO, CHE DETERMINA IL CAMBIO DI RAPPORTO, E' REGOLABILE IN FUNZIONE DELLE ESIGENZE DELL'UTENTE.
ITMI912884A 1991-10-30 1991-10-30 Cambio di velocita' per biciclette,o simili,a comando automatico IT1251528B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITMI912884A IT1251528B (it) 1991-10-30 1991-10-30 Cambio di velocita' per biciclette,o simili,a comando automatico
EP92830532A EP0540480A1 (en) 1991-10-30 1992-09-29 Automatic speed gear for bicycles
US07/964,769 US5301571A (en) 1991-10-30 1992-10-22 Automatic speed gear for bicycles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI912884A IT1251528B (it) 1991-10-30 1991-10-30 Cambio di velocita' per biciclette,o simili,a comando automatico

Publications (3)

Publication Number Publication Date
ITMI912884A0 ITMI912884A0 (it) 1991-10-30
ITMI912884A1 ITMI912884A1 (it) 1993-04-30
IT1251528B true IT1251528B (it) 1995-05-16

Family

ID=11360988

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI912884A IT1251528B (it) 1991-10-30 1991-10-30 Cambio di velocita' per biciclette,o simili,a comando automatico

Country Status (3)

Country Link
US (1) US5301571A (it)
EP (1) EP0540480A1 (it)
IT (1) IT1251528B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL110935A (en) * 1994-09-12 2000-08-13 Shalom Saeed Solomon Bicycle drive assemblies
GB2309271B (en) * 1996-01-19 1997-12-03 Ho Kai Hung An automatic gear changing mechanism
DE19802563C1 (de) * 1998-01-23 1999-09-16 Schmitt Robert Automatische Kettenschaltung
DE10026472A1 (de) * 2000-05-27 2001-11-29 Sram De Gmbh Schaltbetätigung für Mehrgangnaben für Fahrräder
US20050011302A1 (en) * 2003-07-15 2005-01-20 Chien-Kuo Wang Pedal shaft structure of a bicycle having a second pedaling function
US7632313B2 (en) * 2005-04-29 2009-12-15 Jmea Corporation Disc repair system
US7673893B2 (en) * 2007-10-18 2010-03-09 Chienkuo Technology University Spring-based mechanism for saving labor of a bicycle rider

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190215419A (en) * 1902-07-10 1903-06-11 Rudge Whitworth Ltd Improvements in Attaching Cranks and Chain Wheels to the Crank Axles of Velocipedes.
US3769848A (en) * 1972-06-26 1973-11-06 Guire W Mc Automatic shifting means for multispeed bicycles
US4412828A (en) * 1981-05-07 1983-11-01 Darby Jack B Control means for shifting gears on dual shift bicycles
DE3440069C2 (de) * 1984-11-02 1993-12-02 Fichtel & Sachs Ag Mehrgangnabe für Fahrräder oder dergleichen
US5033991A (en) * 1990-06-11 1991-07-23 Mclaren Michael J Automatic derailleur shifter
US5157988A (en) * 1991-06-11 1992-10-27 Pinkstock Donald H Elastic crank for bicycles

Also Published As

Publication number Publication date
ITMI912884A1 (it) 1993-04-30
ITMI912884A0 (it) 1991-10-30
US5301571A (en) 1994-04-12
EP0540480A1 (en) 1993-05-05

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941028