IT1148620B - Trasmissione a rapporto variabile,in particolare per biciclette - Google Patents

Trasmissione a rapporto variabile,in particolare per biciclette

Info

Publication number
IT1148620B
IT1148620B IT49253/82A IT4925382A IT1148620B IT 1148620 B IT1148620 B IT 1148620B IT 49253/82 A IT49253/82 A IT 49253/82A IT 4925382 A IT4925382 A IT 4925382A IT 1148620 B IT1148620 B IT 1148620B
Authority
IT
Italy
Prior art keywords
bicycles
variable ratio
ratio transmission
transmission
variable
Prior art date
Application number
IT49253/82A
Other languages
English (en)
Other versions
IT8249253A0 (it
Inventor
Royce H Husted
Original Assignee
Husted Royce Hill
Shiber Samuel
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 Husted Royce Hill, Shiber Samuel filed Critical Husted Royce Hill
Publication of IT8249253A0 publication Critical patent/IT8249253A0/it
Application granted granted Critical
Publication of IT1148620B publication Critical patent/IT1148620B/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
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
IT49253/82A 1981-10-13 1982-10-12 Trasmissione a rapporto variabile,in particolare per biciclette IT1148620B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31050681A 1981-10-13 1981-10-13
US06/387,618 US4493678A (en) 1981-10-13 1982-06-11 Expandible sprocket

Publications (2)

Publication Number Publication Date
IT8249253A0 IT8249253A0 (it) 1982-10-12
IT1148620B true IT1148620B (it) 1986-12-03

Family

ID=26977440

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49253/82A IT1148620B (it) 1981-10-13 1982-10-12 Trasmissione a rapporto variabile,in particolare per biciclette

Country Status (10)

Country Link
US (1) US4493678A (it)
EP (1) EP0091470A1 (it)
KR (1) KR840001912A (it)
AU (1) AU554899B2 (it)
BR (1) BR8207922A (it)
CA (1) CA1199821A (it)
DK (1) DK266183A (it)
ES (1) ES516428A0 (it)
IT (1) IT1148620B (it)
WO (1) WO1983001424A1 (it)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4717369A (en) * 1981-10-13 1988-01-05 Royce Husted Incrementally variable transmission
US4810235A (en) * 1981-10-13 1989-03-07 Samuel Shiber Variable transmission with an integral shifter
US4645475A (en) * 1981-10-13 1987-02-24 Royce H. Husted Incrementally variable bicycle transmission
AU1150683A (en) * 1981-10-26 1984-07-17 Walker, Harold L. Automatic variable speed transmission
DE3318278A1 (de) * 1983-05-17 1984-11-22 Frank 1000 Berlin Poddig Regelbarer kettenantrieb
EP0185799B1 (de) * 1984-12-28 1989-03-15 Dürkopp System Technik Gmbh Automatisches Getriebe
CS264058B1 (en) * 1986-05-16 1989-05-12 Josef Kovar Variable transmission
US4740190A (en) * 1987-01-29 1988-04-26 University Of Florida Variable ratio bicycle chain drive
US4952196A (en) * 1987-10-21 1990-08-28 Autra-Bike Co., Inc. Variable diameter sprocket assembly
US4850939A (en) * 1987-10-21 1989-07-25 Autra-Bike Co., Inc. Variable diameter sprocket assembly
US4787879A (en) * 1987-11-02 1988-11-29 Exeter Granddiorite Trust Fifteen speed variable radius bicycle transmission
US4892506A (en) * 1987-12-21 1990-01-09 Maz Wen Synergetic speed-variating means as eccentrically operated
US4976658A (en) * 1989-11-03 1990-12-11 Hood James E Variable speed transmissions
US6332852B1 (en) 2000-05-30 2001-12-25 3561020 Canada Inc. Variable ratio drive system
US6572500B2 (en) * 2000-06-30 2003-06-03 Shimano Inc. Bicycle sprocket with chain support projections
KR100367198B1 (ko) * 2000-08-24 2003-01-09 조치룡 자전거의 변속장치
US20040097307A1 (en) 2000-12-12 2004-05-20 Graeme Stafford Murray Drive transmission apparatus
FR2818952B1 (fr) * 2000-12-29 2003-04-25 Mavic Sa Plateau d'entrainement extensible pour l'ensemble de transmission d'une bicyclette
US6749531B2 (en) * 2002-10-15 2004-06-15 Novastar Technology, Inc. Multi-speed gear system for a chain transmission device of a bicycle
US20050192136A1 (en) * 2004-02-27 2005-09-01 John Allard Variable diameter sprocket
US20070037643A1 (en) * 2005-08-09 2007-02-15 Briesmeister Andrew E Variable circumference sprocket
US9347531B2 (en) * 2008-04-08 2016-05-24 Yoon Kyu Cho Belt-type continuously variable transmission
US20110230286A1 (en) * 2010-03-17 2011-09-22 Eli Cohen Variable Drive Transmission
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
US9327792B2 (en) 2011-01-28 2016-05-03 Paha Designs, Llc Gear transmission and derailleur system
WO2012145824A1 (en) * 2011-04-26 2012-11-01 1783590 Ontario Ltd. D/B/A Inmotive Key pulley segment features, segment stack configuration, and cam and roller design and actuation in a synchronized segmentally interchanging pulley transmission system
US8840127B2 (en) 2012-01-04 2014-09-23 Robert Musgrove Spiral cone pulley reciprocal pedal drive system and methods
DE102014003749A1 (de) * 2014-03-12 2015-09-17 Alexander Degtjarew Kettengetriebe für das Fahrzeug mit dem geänderten Übertragungsverhältnis das von der Belastung abhängt
US9725132B2 (en) * 2014-03-26 2017-08-08 Shimano Inc. Bicycle crank assembly
ITUB20154124A1 (it) * 2015-10-02 2017-04-02 Yves Joseph Alfred Morin Trasmissione a catena, particolarmente per biciclette, con variazione continua del rapporto di trasmissione.
TWI601663B (zh) * 2016-04-21 2017-10-11 變速裝置
TWI619897B (zh) * 2016-08-30 2018-04-01 永德 謝 自動變速傳動裝置
CN107128432A (zh) * 2017-06-16 2017-09-05 晋中学院 自行车无级变速器
US11639749B1 (en) * 2019-05-21 2023-05-02 Sunman Engineering, Inc. Gear set

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR961243A (it) * 1950-05-09
US524830A (en) * 1894-08-21 Sprocket-wheel
US593895A (en) * 1897-11-16 Wili-ielm jasper
US742497A (en) * 1903-03-11 1903-10-27 Lewis G Rowand Expansible pulley.
GB453712A (en) * 1935-03-28 1936-09-17 Walter Neale Improvements in and relating to variable speed gear mechanism for cycles and the like
US2421368A (en) * 1941-07-17 1947-06-03 Aubert Emile Henri Wheel of variable diameter
GB1320501A (en) * 1969-06-20 1973-06-13 Triplite Ltd Adjustable driving wheels
JPS4980736A (it) * 1972-12-07 1974-08-03
US3850044A (en) * 1973-05-10 1974-11-26 D Hagen Bicycle transmission
US3850045A (en) * 1973-07-18 1974-11-26 D Hagen Expansible sprocket for bicycles
US3867851A (en) * 1973-08-23 1975-02-25 Hagen Int Inc Radially expansible sprocket with rotatable teeth segments
US3938403A (en) * 1974-02-27 1976-02-17 Bowmar Instrument Corporation Multiratio power transmitting device
US3995508A (en) * 1975-03-31 1976-12-07 Mesur-Matic Electronics Corporation Automatic bicycle transmission
US4304449A (en) * 1977-04-26 1981-12-08 L. B. (Plastics) Limited Drawers
US4129044A (en) * 1977-05-19 1978-12-12 Erickson Marlo W V Variable gear ratio chain drive system for bicycles
GB2005778B (en) * 1977-08-17 1982-06-30 Shimano Industrial Co Sprocket and use thereof on bicycle
US4268259A (en) * 1977-08-25 1981-05-19 Shimano Industrial Company Limited Multi-speed sprockets for a bicycle and the like
WO1979000522A1 (en) * 1978-01-18 1979-08-09 R Williams Drive system
JPS5819996Y2 (ja) * 1978-07-07 1983-04-25 株式会社シマノ 自転車用スプロケット
DE2846279C2 (de) * 1978-10-24 1982-04-15 Aktiebolaget Iro, Ulricehamn Riemenscheibe
US4260386A (en) * 1979-05-16 1981-04-07 Frohardt Steven P Variable speed drive
GB2062142A (en) * 1979-10-29 1981-05-20 Deal M Variable diameter transmission wheel
DE3107255A1 (de) * 1981-02-26 1982-09-02 Hans-Joachim 5060 Bergisch Gladbach Müller "ketten- bzw. riementrieb"

Also Published As

Publication number Publication date
US4493678A (en) 1985-01-15
EP0091470A1 (en) 1983-10-19
BR8207922A (pt) 1983-09-20
ES8401396A1 (es) 1983-12-16
AU9050682A (en) 1983-05-05
DK266183D0 (da) 1983-06-10
IT8249253A0 (it) 1982-10-12
CA1199821A (en) 1986-01-28
AU554899B2 (en) 1986-09-04
ES516428A0 (es) 1983-12-16
KR840001912A (ko) 1984-06-07
WO1983001424A1 (en) 1983-04-28
DK266183A (da) 1983-06-10

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