IT8968028A0 - Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate - Google Patents
Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentateInfo
- Publication number
- IT8968028A0 IT8968028A0 IT68028A IT6802889A IT8968028A0 IT 8968028 A0 IT8968028 A0 IT 8968028A0 IT 68028 A IT68028 A IT 68028A IT 6802889 A IT6802889 A IT 6802889A IT 8968028 A0 IT8968028 A0 IT 8968028A0
- Authority
- IT
- Italy
- Prior art keywords
- bicycle
- sprockets
- including several
- sprocket
- freewheel including
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT06802889A IT1237281B (it) | 1989-11-21 | 1989-11-21 | Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate |
EP90121881A EP0429007A1 (en) | 1989-11-21 | 1990-11-15 | A gear for bicycles and a freewheel for bicycles including a plurality of such gears |
JP2317641A JPH03178898A (ja) | 1989-11-21 | 1990-11-20 | 自転車用ギア及びフリーホイール |
US07/616,967 US5066264A (en) | 1989-11-21 | 1990-11-21 | Gear for bicycles and a freewheel for bicycles including a plurality of such gears |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT06802889A IT1237281B (it) | 1989-11-21 | 1989-11-21 | Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8968028A0 true IT8968028A0 (it) | 1989-11-21 |
IT1237281B IT1237281B (it) | 1993-05-27 |
Family
ID=11307308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT06802889A IT1237281B (it) | 1989-11-21 | 1989-11-21 | Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate |
Country Status (4)
Country | Link |
---|---|
US (1) | US5066264A (it) |
EP (1) | EP0429007A1 (it) |
JP (1) | JPH03178898A (it) |
IT (1) | IT1237281B (it) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5192249A (en) * | 1990-02-28 | 1993-03-09 | Shimano, Inc. | Multi-stage sprocket assembly for bicycle |
EP0457733B1 (fr) * | 1990-05-17 | 1995-03-15 | Tornos-Bechler SA Fabrique de Machines Moutier | Poulie |
JPH04303094A (ja) * | 1991-03-29 | 1992-10-27 | Maeda Kogyo Kk | 自転車用多段スプロケット装置 |
JPH04325390A (ja) * | 1991-04-23 | 1992-11-13 | Maeda Kogyo Kk | 自転車用多段スプロケット装置 |
JPH05112278A (ja) * | 1991-10-21 | 1993-05-07 | Shimano Inc | 自転車用多段スプロケツト装置 |
IT1270417B (it) * | 1993-06-03 | 1997-05-05 | Campagnolo Srl | Gruppo pignoni per biciclette |
US5716297A (en) * | 1993-09-13 | 1998-02-10 | Fichtel & Sachs Ag | Derailleur arrangement for bicycles |
DE4330989A1 (de) * | 1993-09-13 | 1995-03-16 | Fichtel & Sachs Ag | Kettenschaltung, insbesondere für Fahrräder |
DE4434752A1 (de) * | 1994-09-29 | 1996-04-04 | Fichtel & Sachs Ag | Kettenschaltung, insbesondere für Fahrräder |
EP0671316B1 (en) * | 1994-03-10 | 2000-01-12 | Industrial Technology Research Institute | Two sprocket tooth trimming methods and the structure thereof for the multi-stage sprocket assembly in a bicycle |
CN1047562C (zh) * | 1994-07-14 | 1999-12-22 | 财团法人工业技术研究院 | 自行车多段链轮组齿盘的修整方法及其结构 |
DE4445035C1 (de) * | 1994-12-16 | 1996-06-05 | Fichtel & Sachs Ag | Kettenschaltung |
TW331290U (en) * | 1997-08-01 | 1998-05-01 | Tracer Company Ltd | Improved structure of a chain wheel assembly of a bicycle |
US6923741B2 (en) † | 2002-08-30 | 2005-08-02 | Shimano Inc. | Top sprocket for a rear sprocket assembly and rear sprocket assembly for a bicycle |
JP3886130B2 (ja) * | 2003-07-04 | 2007-02-28 | 株式会社椿本チエイン | チェーン用スプロケット |
DE10347784B4 (de) | 2003-10-10 | 2017-04-06 | Sram Deutschland Gmbh | Geräuscharme Kettenschaltung |
JP3970281B2 (ja) * | 2004-11-19 | 2007-09-05 | 株式会社椿本チエイン | チェーン伝動装置 |
US8092329B2 (en) | 2005-08-31 | 2012-01-10 | Wick Werks, LLC | Bicycle chain rings with ramps |
US8617015B2 (en) | 2005-09-27 | 2013-12-31 | Wick Werks, LLC | Bicycle chain rings |
US9651138B2 (en) | 2011-09-30 | 2017-05-16 | Mtd Products Inc. | Speed control assembly for a self-propelled walk-behind lawn mower |
WO2015131023A1 (en) * | 2014-02-27 | 2015-09-03 | Eko Sport, Inc. | Alternating tooth chain ring |
US20160208903A1 (en) * | 2015-03-25 | 2016-07-21 | Wick Werks, LLC | Chainrings with Alternating Tooth Thickness Offset |
WO2016168078A1 (en) | 2015-04-13 | 2016-10-20 | Eko Sport, Inc. | Chain ring with teeth oppositely laterally engaging a drive chain |
US9540070B2 (en) * | 2015-05-27 | 2017-01-10 | Shimano Inc. | Bicycle sprocket and bicycle crank assembly |
US10358186B2 (en) * | 2016-12-16 | 2019-07-23 | Shimano Inc. | Bicycle sprocket and bicycle sprocket assembly |
US11148755B2 (en) * | 2018-07-13 | 2021-10-19 | Shimano Inc. | Bicycle derailleur |
EP4239221B1 (en) * | 2022-03-03 | 2024-04-03 | Marcin Golec | An improved bicycle chainring and a bicycle comprising the bicycle chainring |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3661021A (en) * | 1969-07-26 | 1972-05-09 | Masakazu Ohshita Shimano Ind C | Multiple free wheel for a bicycle |
US3772932A (en) * | 1970-12-30 | 1973-11-20 | M Nagano | Multi-speed transmission free wheel for a bicycle |
JPS4980736A (it) * | 1972-12-07 | 1974-08-03 | ||
US3964330A (en) * | 1974-11-08 | 1976-06-22 | Maeda Industries, Ltd. | Chain guide connector device for use in bicycle derailleurs |
GB2005778B (en) * | 1977-08-17 | 1982-06-30 | Shimano Industrial Co | Sprocket and use thereof on bicycle |
JPS563264Y2 (it) * | 1977-08-19 | 1981-01-24 | ||
FR2459920A1 (fr) * | 1979-06-26 | 1981-01-16 | Simplex Ets | Galet d'enroulement de chaine, notamment pour les changements de vitesse de bicyclettes et vehicules similaires |
US4612004A (en) * | 1983-08-02 | 1986-09-16 | Shimano Industrial Company Limited | Rear derailleur for a bicycle |
US4813916A (en) * | 1988-03-08 | 1989-03-21 | Sachs-Huret S.A. | Sprocket having teeth of improved shape and a cycle free-wheel including said sprocket |
-
1989
- 1989-11-21 IT IT06802889A patent/IT1237281B/it active IP Right Grant
-
1990
- 1990-11-15 EP EP90121881A patent/EP0429007A1/en not_active Ceased
- 1990-11-20 JP JP2317641A patent/JPH03178898A/ja active Pending
- 1990-11-21 US US07/616,967 patent/US5066264A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IT1237281B (it) | 1993-05-27 |
US5066264A (en) | 1991-11-19 |
JPH03178898A (ja) | 1991-08-02 |
EP0429007A1 (en) | 1991-05-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT8968028A0 (it) | Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate | |
KR890008795U (ko) | 자전거용 다단 스프로킷 장치 | |
IT8922265A0 (it) | Complesso di rocchetti dentati multivelocita' per biciclette | |
DE4396847T1 (de) | Fahrrad-Mehrfachzahnkranzanordnung | |
IT8507142V0 (it) | Dispositivo a ruota libera. | |
DE69424514D1 (de) | Entkuppelbarer Freilauf | |
LV11059A (lv) | Diskveidigs vienvirziena varstulis | |
IT8767682A0 (it) | Procedimento per fissare pignoni sulla corona di una ruota libera di bicicletta e relativa corona di ruota libera | |
DE58905169D1 (de) | Freilauf. | |
IT8767684A0 (it) | Mozzo per ruota libera di bicicletta e relativa ruota libera | |
DE59303297D1 (de) | Aktives Freilaufelement | |
IT8767683A0 (it) | Corona porta pignoni per ruota libera a piu velocita particolarmente per biciclette | |
DE69414353D1 (de) | Fahrrad-Antriebsvorrichtung | |
IT1275103B (it) | "motociclo" | |
ATA291389A (de) | Tretkurbelantrieb | |
RU1804696C (ru) | Преобразователь длительности импульсов | |
FR2644423B1 (fr) | Dispositif d'assistance de pedalage | |
KR940015664U (ko) | 어린이용 자전거의 구동장치 | |
KR950014137U (ko) | 타원스프로킷 자전거 | |
KR960001537U (ko) | 어린이용 자전차 | |
FR2645752B1 (fr) | Bicyclette d'exercice | |
KR890000667U (ko) | 어린이용 자전차 | |
IT8728999V0 (it) | Bicicletta da camera con telaio ad "u" e carter sagomato | |
DE59006027D1 (de) | Freilauf. | |
KR950003132U (ko) | 회전판을 설치한 어린이용 자전거 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |