FR2578219A1 - Axe de pedalier pour bicyclette presentant une cavite dans sa partie moyenne - Google Patents
Axe de pedalier pour bicyclette presentant une cavite dans sa partie moyenne Download PDFInfo
- Publication number
- FR2578219A1 FR2578219A1 FR8519484A FR8519484A FR2578219A1 FR 2578219 A1 FR2578219 A1 FR 2578219A1 FR 8519484 A FR8519484 A FR 8519484A FR 8519484 A FR8519484 A FR 8519484A FR 2578219 A1 FR2578219 A1 FR 2578219A1
- Authority
- FR
- France
- Prior art keywords
- bottom bracket
- axis
- cavity
- forging
- bicycle
- 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.)
- Withdrawn
Links
- 238000005242 forging Methods 0.000 claims abstract description 6
- 238000009987 spinning Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 208000012886 Vertigo Diseases 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010273 cold forging Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Forging (AREA)
- Automatic Cycles, And Cycles In General (AREA)
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 (1)
| Publication Number | Publication Date |
|---|---|
| FR2578219A1 true FR2578219A1 (fr) | 1986-09-05 |
Family
ID=11153861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8519484A Withdrawn FR2578219A1 (fr) | 1985-01-04 | 1985-12-31 | Axe de pedalier pour bicyclette presentant une cavite dans sa partie moyenne |
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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9419150U1 (de) * | 1994-11-29 | 1995-04-06 | Heydenreich, Richard, Dipl.-Ing., 85667 Oberpframmern | Tretlagerwelle für Fahrräder |
| DE29513900U1 (de) * | 1995-08-29 | 1995-10-26 | INA Wälzlager Schaeffler KG, 91074 Herzogenaurach | 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)
| 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 |
-
1985
- 1985-01-04 IT IT19016/85A patent/IT1183074B/it active
- 1985-12-28 JP JP60293664A patent/JPS61181788A/ja active Pending
- 1985-12-28 DE DE19853546283 patent/DE3546283A1/de not_active Withdrawn
- 1985-12-31 FR FR8519484A patent/FR2578219A1/fr not_active Withdrawn
-
1986
- 1986-01-02 GB GB08600025A patent/GB2169987A/en not_active Withdrawn
- 1986-01-03 ES ES550650A patent/ES8702593A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES550650A0 (es) | 1987-01-01 |
| JPS61181788A (ja) | 1986-08-14 |
| DE3546283A1 (de) | 1986-07-10 |
| GB8600025D0 (en) | 1986-02-12 |
| IT8519016A0 (it) | 1985-01-04 |
| IT1183074B (it) | 1987-10-05 |
| ES8702593A1 (es) | 1987-01-01 |
| GB2169987A (en) | 1986-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |