IT8224696A0 - Procedimento e dispositivi per la fabbricazione di pedivelle per biciclette. - Google Patents

Procedimento e dispositivi per la fabbricazione di pedivelle per biciclette.

Info

Publication number
IT8224696A0
IT8224696A0 IT8224696A IT2469682A IT8224696A0 IT 8224696 A0 IT8224696 A0 IT 8224696A0 IT 8224696 A IT8224696 A IT 8224696A IT 2469682 A IT2469682 A IT 2469682A IT 8224696 A0 IT8224696 A0 IT 8224696A0
Authority
IT
Italy
Prior art keywords
procedure
manufacture
devices
bicycle cranks
cranks
Prior art date
Application number
IT8224696A
Other languages
English (en)
Other versions
IT1191124B (it
IT8224696A1 (it
Inventor
Alfred Sen Thun
Original Assignee
Thun Alfred & Co Gmbh
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 Thun Alfred & Co Gmbh filed Critical Thun Alfred & Co Gmbh
Publication of IT8224696A0 publication Critical patent/IT8224696A0/it
Publication of IT8224696A1 publication Critical patent/IT8224696A1/it
Application granted granted Critical
Publication of IT1191124B publication Critical patent/IT1191124B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/06—Making machine elements axles or shafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • 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
    • B62M3/00—Construction of cranks operated by hand or foot
IT24696/82A 1982-01-21 1982-12-10 Procedimento e dispositivi per la fabbricazione di pedivelle per biciclette IT1191124B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3201677A DE3201677C2 (de) 1982-01-21 1982-01-21 Verfahren zur Herstellung von Fahrradtretkurbeln

Publications (3)

Publication Number Publication Date
IT8224696A0 true IT8224696A0 (it) 1982-12-10
IT8224696A1 IT8224696A1 (it) 1984-06-10
IT1191124B IT1191124B (it) 1988-02-24

Family

ID=6153498

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24696/82A IT1191124B (it) 1982-01-21 1982-12-10 Procedimento e dispositivi per la fabbricazione di pedivelle per biciclette

Country Status (3)

Country Link
DE (1) DE3201677C2 (it)
FR (1) FR2519890B1 (it)
IT (1) IT1191124B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2529923B (en) * 2015-05-01 2016-10-05 Frogbikes Ltd Pedal cycle drivetrain

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH197151A (de) * 1937-06-28 1938-04-15 Zacharias Blumer Achse mit mindestens einer Verdickung, insbesondere für Fahrräder, und Verfahren zu deren Herstellung.
US3188849A (en) * 1961-09-12 1965-06-15 Nat Machinery Co Method and apparatus for multiple upsetting
GB960321A (en) * 1962-02-03 1964-06-10 Raleigh Industries Ltd Cold forming of asymmetric articles
FR1435608A (fr) * 1965-03-25 1966-04-15 Procédé pour la fabrication des manivelles d'un pédalier de bicyclette
DE1627678B1 (de) * 1967-06-20 1971-10-28 Hatebur Ag F B Vorrichtung zum überwiegenden Kaltpressen aussen hinterschnittener, vorgepresster Zwischenoresslinge
DE2116766A1 (de) * 1971-04-06 1972-10-19 Alfred Thun & Co Gmbh, 5828 Ennepetal Verfahren zur Herstellung einer Fahrrad-Tretkurbel
DE2618908A1 (de) * 1976-04-27 1977-11-17 Loewe Gmbh Lodw Verfahren und vorrichtung zur herstellung von scharnierstiften
FR2382288A1 (fr) * 1977-03-03 1978-09-29 Sofomec Procede de forgeage a froid d'axes de pedaliers, les moyens de mise en oeuvre et les axes executes selon ce procede

Also Published As

Publication number Publication date
IT1191124B (it) 1988-02-24
FR2519890B1 (fr) 1986-12-26
DE3201677A1 (de) 1983-09-08
IT8224696A1 (it) 1984-06-10
FR2519890A1 (fr) 1983-07-22
DE3201677C2 (de) 1986-08-14

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