IT215980Z2 - SPEED CHANGE FOR BICYCLES. - Google Patents

SPEED CHANGE FOR BICYCLES.

Info

Publication number
IT215980Z2
IT215980Z2 IT711188U IT711188U IT215980Z2 IT 215980 Z2 IT215980 Z2 IT 215980Z2 IT 711188 U IT711188 U IT 711188U IT 711188 U IT711188 U IT 711188U IT 215980 Z2 IT215980 Z2 IT 215980Z2
Authority
IT
Italy
Prior art keywords
bicycles
speed change
speed
change
Prior art date
Application number
IT711188U
Other languages
Italian (it)
Other versions
IT8807111V0 (en
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
Priority to IT711188U priority Critical patent/IT215980Z2/en
Publication of IT8807111V0 publication Critical patent/IT8807111V0/en
Priority to FR8911380A priority patent/FR2639313B1/en
Application granted granted Critical
Publication of IT215980Z2 publication Critical patent/IT215980Z2/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
    • B62M9/125—Mounting the derailleur on the frame
IT711188U 1988-11-23 1988-11-23 SPEED CHANGE FOR BICYCLES. IT215980Z2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT711188U IT215980Z2 (en) 1988-11-23 1988-11-23 SPEED CHANGE FOR BICYCLES.
FR8911380A FR2639313B1 (en) 1988-11-23 1989-08-30 CHANGING SPEEDS FOR BICYCLES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT711188U IT215980Z2 (en) 1988-11-23 1988-11-23 SPEED CHANGE FOR BICYCLES.

Publications (2)

Publication Number Publication Date
IT8807111V0 IT8807111V0 (en) 1988-11-23
IT215980Z2 true IT215980Z2 (en) 1991-03-20

Family

ID=11124281

Family Applications (1)

Application Number Title Priority Date Filing Date
IT711188U IT215980Z2 (en) 1988-11-23 1988-11-23 SPEED CHANGE FOR BICYCLES.

Country Status (2)

Country Link
FR (1) FR2639313B1 (en)
IT (1) IT215980Z2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687977B1 (en) * 1992-02-27 1994-04-22 Bg Innovation DEVICES ALLOWING THE CHANGES OF SPEEDS ON BICYCLES.
FR2788485B1 (en) 1999-01-19 2001-02-23 Frederic Vaillant CYCLE SPEED CHANGE DEVICE
US7963870B2 (en) * 2008-05-01 2011-06-21 Shimano Inc. Bicycle rear derailleur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0226794Y2 (en) * 1985-06-17 1990-07-20
JPH0238879Y2 (en) * 1985-07-16 1990-10-18

Also Published As

Publication number Publication date
IT8807111V0 (en) 1988-11-23
FR2639313B1 (en) 1994-01-14
FR2639313A1 (en) 1990-05-25

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