IT1170369B - Rocchetto dentato variabile, in particolare per biciclette - Google Patents

Rocchetto dentato variabile, in particolare per biciclette

Info

Publication number
IT1170369B
IT1170369B IT4809083A IT4809083A IT1170369B IT 1170369 B IT1170369 B IT 1170369B IT 4809083 A IT4809083 A IT 4809083A IT 4809083 A IT4809083 A IT 4809083A IT 1170369 B IT1170369 B IT 1170369B
Authority
IT
Italy
Prior art keywords
bicycles
variable toothed
toothed spool
spool
variable
Prior art date
Application number
IT4809083A
Other languages
English (en)
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
Priority claimed from US06/456,736 external-priority patent/US4521207A/en
Application filed by Husted Royce Hill, Shiber Samuel filed Critical Husted Royce Hill
Application granted granted Critical
Publication of IT1170369B publication Critical patent/IT1170369B/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
    • 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)
  • Transmission Devices (AREA)
IT4809083A 1983-01-10 1983-04-13 Rocchetto dentato variabile, in particolare per biciclette IT1170369B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/456,736 US4521207A (en) 1982-06-11 1983-01-10 Incrementally variable transmission

Publications (1)

Publication Number Publication Date
IT1170369B true IT1170369B (it) 1987-06-03

Family

ID=23813940

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4809083A IT1170369B (it) 1983-01-10 1983-04-13 Rocchetto dentato variabile, in particolare per biciclette

Country Status (7)

Country Link
EP (1) EP0130984B1 (it)
JP (1) JPS60500332A (it)
CA (1) CA1199200A (it)
DE (1) DE3377786D1 (it)
IN (1) IN157454B (it)
IT (1) IT1170369B (it)
WO (1) WO1984002690A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4787879A (en) * 1987-11-02 1988-11-29 Exeter Granddiorite Trust Fifteen speed variable radius bicycle transmission

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB453712A (en) * 1935-03-28 1936-09-17 Walter Neale Improvements in and relating to variable speed gear mechanism for cycles and the like
US3867851A (en) * 1973-08-23 1975-02-25 Hagen Int Inc Radially expansible sprocket with rotatable teeth segments
US3899932A (en) * 1973-12-19 1975-08-19 Roger Owen Durham Chain retention device for elliptical sprockets
US3956944A (en) * 1975-01-02 1976-05-18 Tompkins Leo L Torque operated, variable diameter belt sheave or chain sprocket
US4030373A (en) * 1975-11-20 1977-06-21 B-5 Associates Of Stamford, Connecticut Variable speed drive for a bicycle
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
NL7902814A (nl) * 1979-04-10 1980-10-14 Haagsche Smederij En Construct Kettingwiel-samenstel voor een kettingoverbrenging in het bijzonder voor een fiets.
JPS566698U (it) * 1979-06-28 1981-01-21
GB2062142A (en) * 1979-10-29 1981-05-20 Deal M Variable diameter transmission wheel
JPS5675283A (en) * 1979-11-20 1981-06-22 Saburou Tou Speed change gear for bicycle
JPS56160281A (en) * 1980-05-13 1981-12-09 Ito Mitsurou Automatic non-stage transmission for bicycle

Also Published As

Publication number Publication date
CA1199200A (en) 1986-01-14
DE3377786D1 (en) 1988-09-29
JPS60500332A (ja) 1985-03-14
EP0130984B1 (en) 1988-08-24
JPH0341395B2 (it) 1991-06-21
WO1984002690A1 (en) 1984-07-19
EP0130984A1 (en) 1985-01-16
IN157454B (it) 1986-04-05

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