ES8702593A1 - Un eje de manivela para bicicletas - Google Patents

Un eje de manivela para bicicletas

Info

Publication number
ES8702593A1
ES8702593A1 ES550650A ES550650A ES8702593A1 ES 8702593 A1 ES8702593 A1 ES 8702593A1 ES 550650 A ES550650 A ES 550650A ES 550650 A ES550650 A ES 550650A ES 8702593 A1 ES8702593 A1 ES 8702593A1
Authority
ES
Spain
Prior art keywords
axle
crank axle
bicycles
tubing
cavity
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
ES550650A
Other languages
English (en)
Other versions
ES550650A0 (es
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.)
Campagnolo SRL
Original Assignee
Campagnolo SRL
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 Campagnolo SRL filed Critical Campagnolo SRL
Publication of ES550650A0 publication Critical patent/ES550650A0/es
Publication of ES8702593A1 publication Critical patent/ES8702593A1/es
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
    • B62M3/00—Construction of cranks operated by hand or foot
    • B62M3/003—Combination of crank axles and bearings housed in the bottom bracket
    • 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

Abstract

EJE DE MANIVELA PARA BICICLETAS DE FABRICACION ESPECIAL. EN EL PROCESO DE FABRICACION SE DISTINGUEN TRES ETAPAS: PRIMERA, EL MATERIAL INICIAL (1) SE DEFORMA HACIENDOLO PASAR A TRAVES DE UN EXTRUSOR (2), POR MEDIO DE UN EMBOLO (3) Y UN CONTRAEMBOLO (4) PROVISTO DE UNA CAVIDAD INTERNA O IMPRESION (5), OBTENIENDO AL FINAL DE LA OPERACION UN VASTAGO CILINDRICO (6) CON UN EXTREMO PERFILADO (7) QUE CORRESPONDE PARCIALMENTE AL PERFIL DEL EJE QUE SE ESTA PRODUCIENDO; SEGUNDA, EL VASTAGO CILINDRICO (6) SE INTRODUCE EN UNA MATRIZ APROPIADA, EN LA CUAL LA CORONA (8) DE DICHO VASTAGO CILINDRICO ES DEFORMADA A TRAVES DE UNA MATRIZ MOVIL, CON EL FIN DE OBTENER EL EJE; Y POR ULTIMO, EL EJE EN BRUTO OBTENIDO SE SOMETE A LA SERIE DE OPERACIONES DE ACABADO NECESARIAS.
ES550650A 1985-01-04 1986-01-03 Un eje de manivela para bicicletas Expired ES8702593A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19016/85A IT1183074B (it) 1985-01-04 1985-01-04 Perno per il movimento centrale di biciclette leggero e resistente, ottenuto per estrusione, particolarmente per l'uso nelle biciclette sportive e da competizione

Publications (2)

Publication Number Publication Date
ES550650A0 ES550650A0 (es) 1987-01-01
ES8702593A1 true ES8702593A1 (es) 1987-01-01

Family

ID=11153861

Family Applications (1)

Application Number Title Priority Date Filing Date
ES550650A Expired ES8702593A1 (es) 1985-01-04 1986-01-03 Un eje de manivela para bicicletas

Country Status (6)

Country Link
JP (1) JPS61181788A (es)
DE (1) DE3546283A1 (es)
ES (1) ES8702593A1 (es)
FR (1) FR2578219A1 (es)
GB (1) GB2169987A (es)
IT (1) IT1183074B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9419150U1 (de) * 1994-11-29 1995-04-06 Heydenreich Richard Dipl Ing Tretlagerwelle für Fahrräder
DE29513900U1 (de) * 1995-08-29 1995-10-26 Schaeffler Waelzlager Kg Lagerung insbesondere für eine Tretachse
DE19607310A1 (de) * 1996-02-27 1997-08-28 Dietrich Gerhard Ellsaesser Innenlager für Fahrräder und Verfahren zur Herstellung desselben
EP1120336A3 (en) * 2000-01-26 2002-08-07 Cannondale Corporation Integrated crank assembly and components therefor
DE102015209338A1 (de) 2015-05-21 2016-11-24 Schaeffler Technologies AG & Co. KG Tretlagerhohlwelle, eine damit gebildete Tretlageranordnung und deren Verwendung, sowie Verfahren zur Herstellung einer Tretlagerhohlwelle
DE102015215109A1 (de) 2015-08-07 2017-02-09 Schaeffler Technologies AG & Co. KG Tretlagerhohlwelle, eine damit gebildete Tretlageranordnung und deren Verwendung, sowie Verfahren zur Herstellung einer Tretlagerhohlwelle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272971A (en) * 1979-02-26 1981-06-16 Rockwell International Corporation Reinforced tubular structure
DE3009277C2 (de) * 1980-03-11 1984-12-20 Löhr & Bromkamp GmbH, 6050 Offenbach Gelenkwelle

Also Published As

Publication number Publication date
FR2578219A1 (fr) 1986-09-05
IT8519016A0 (it) 1985-01-04
DE3546283A1 (de) 1986-07-10
GB2169987A (en) 1986-07-23
GB8600025D0 (en) 1986-02-12
IT1183074B (it) 1987-10-05
ES550650A0 (es) 1987-01-01
JPS61181788A (ja) 1986-08-14

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