GB2109892B - A chainwheel and a pedal crank for a bicycle - Google Patents

A chainwheel and a pedal crank for a bicycle

Info

Publication number
GB2109892B
GB2109892B GB08228043A GB8228043A GB2109892B GB 2109892 B GB2109892 B GB 2109892B GB 08228043 A GB08228043 A GB 08228043A GB 8228043 A GB8228043 A GB 8228043A GB 2109892 B GB2109892 B GB 2109892B
Authority
GB
United Kingdom
Prior art keywords
chainwheel
bicycle
pedal crank
pedal
crank
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.)
Expired
Application number
GB08228043A
Other languages
English (en)
Other versions
GB2109892A (en
Inventor
Dino Perotti
Mario Perotti
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.)
PEROTTI OFMEGA SNC
Original Assignee
PEROTTI OFMEGA SNC
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 PEROTTI OFMEGA SNC filed Critical PEROTTI OFMEGA SNC
Publication of GB2109892A publication Critical patent/GB2109892A/en
Application granted granted Critical
Publication of GB2109892B publication Critical patent/GB2109892B/en
Expired 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
    • B62M9/105—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 involving front sprocket chain-wheels 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)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Gears, Cams (AREA)
GB08228043A 1981-10-16 1982-10-01 A chainwheel and a pedal crank for a bicycle Expired GB2109892B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBS1981U7074U IT8107074U1 (it) 1981-10-16 1981-10-16 Guarnitura per biciclette con razze della moltiplica e pedivelle a sezioni aerodinamiche.

Publications (2)

Publication Number Publication Date
GB2109892A GB2109892A (en) 1983-06-08
GB2109892B true GB2109892B (en) 1985-05-30

Family

ID=11123964

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08228043A Expired GB2109892B (en) 1981-10-16 1982-10-01 A chainwheel and a pedal crank for a bicycle

Country Status (3)

Country Link
FR (1) FR2514717A3 (enExample)
GB (1) GB2109892B (enExample)
IT (1) IT8107074U1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6015074U (ja) * 1983-07-11 1985-02-01 株式会社シマノ 自転車用ギヤクランク
ITMI20061549A1 (it) 2006-08-03 2008-02-04 Campagnolo Srl Assieme di pedivella destro per bicicletta e relative pedivella e corona
ITMI20061550A1 (it) 2006-08-03 2008-02-04 Campagnolo Srl Assieme di pedivella destro per bicicletta e sua pedivella
DE102010027228B4 (de) * 2009-11-04 2021-12-09 Sram Deutschland Gmbh Mehrfach-Ritzelanordnung für Fahrräder

Also Published As

Publication number Publication date
IT8107074V0 (it) 1981-10-16
FR2514717B3 (enExample) 1983-08-05
IT8107074U1 (it) 1983-04-16
FR2514717A3 (fr) 1983-04-22
GB2109892A (en) 1983-06-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee