DE2633939C2 - Fahrrad-Tretkurbeltrieb - Google Patents

Fahrrad-Tretkurbeltrieb

Info

Publication number
DE2633939C2
DE2633939C2 DE2633939A DE2633939A DE2633939C2 DE 2633939 C2 DE2633939 C2 DE 2633939C2 DE 2633939 A DE2633939 A DE 2633939A DE 2633939 A DE2633939 A DE 2633939A DE 2633939 C2 DE2633939 C2 DE 2633939C2
Authority
DE
Germany
Prior art keywords
crank
shaft
bearing
crank drive
sprocket
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
DE2633939A
Other languages
German (de)
English (en)
Other versions
DE2633939A1 (de
Inventor
Takashi Sakai Osaka Segawa
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.)
Shimano Inc
Original Assignee
Shimano Industrial Co Ltd
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 JP10778275U external-priority patent/JPS5341250Y2/ja
Priority claimed from JP15920575U external-priority patent/JPS5352220Y2/ja
Priority claimed from JP15920475U external-priority patent/JPS5352219Y2/ja
Application filed by Shimano Industrial Co Ltd filed Critical Shimano Industrial Co Ltd
Publication of DE2633939A1 publication Critical patent/DE2633939A1/de
Application granted granted Critical
Publication of DE2633939C2 publication Critical patent/DE2633939C2/de
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/24—Freewheels or freewheel clutches specially adapted for cycles
    • F16D41/30—Freewheels or freewheel clutches specially adapted for cycles with hinged pawl co-operating with teeth, cogs, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B62K19/34—Bottom brackets
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2164—Cranks and pedals
    • Y10T74/2165—Cranks and pedals with attached gear

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Transmission Devices (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
DE2633939A 1975-08-01 1976-07-28 Fahrrad-Tretkurbeltrieb Expired DE2633939C2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10778275U JPS5341250Y2 (enExample) 1975-08-01 1975-08-01
JP15920575U JPS5352220Y2 (enExample) 1975-11-21 1975-11-21
JP15920475U JPS5352219Y2 (enExample) 1975-11-21 1975-11-21

Publications (2)

Publication Number Publication Date
DE2633939A1 DE2633939A1 (de) 1977-02-17
DE2633939C2 true DE2633939C2 (de) 1985-11-14

Family

ID=27311071

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2633939A Expired DE2633939C2 (de) 1975-08-01 1976-07-28 Fahrrad-Tretkurbeltrieb

Country Status (5)

Country Link
US (1) US4183262A (enExample)
DE (1) DE2633939C2 (enExample)
FR (1) FR2319820A1 (enExample)
GB (1) GB1561698A (enExample)
IT (1) IT1074256B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE419960B (sv) * 1979-12-27 1981-09-07 Dieter Herbert Anordning for att variera pedalvevslengden hos en cykel
US4571219A (en) * 1980-09-15 1986-02-18 Daniel Corporation Bicycle transmission
WO1982000984A1 (en) * 1980-09-15 1982-04-01 Corp Daniel Bicycle transmission
US4602524A (en) * 1984-11-19 1986-07-29 General Signal Corporation Method of manufacturing bicycle chain drives
US4840084A (en) * 1987-12-17 1989-06-20 Durham Roger O Freewheel mechanism for bicycles
GB8800365D0 (en) * 1988-01-08 1988-02-10 Lew Ways Ltd Pedal drive systems
DE4025708A1 (de) * 1990-08-14 1992-02-20 Fichtel & Sachs Ag Anordnung von gesperreklinken in fahrradnaben
US5426997A (en) * 1993-06-28 1995-06-27 Brion; Donald G. Bicycle chain drive assembly
US5553510A (en) * 1995-02-27 1996-09-10 Balhorn; Alan C. Multi-speed transmission
US5975266A (en) * 1996-02-21 1999-11-02 Balhorn; Alan C. Multi-speed transmission
US6821236B2 (en) * 2002-02-01 2004-11-23 Shih Chuan Liang Exerciser having a solid driving structure
US20040173049A1 (en) * 2003-03-04 2004-09-09 Jun-Cheng Chen Transmission mechanism of child bicycle
FR2885112B1 (fr) * 2005-04-27 2009-01-30 Claude Gregoire Dispositif de transmission de mouvement de pedalage sur des cycles pour deplacement ou entrainement
US10093389B2 (en) * 2016-11-16 2018-10-09 Shimano Inc. Bicycle front sprocket, bicycle crank assembly, and bicycle drive train
US12296910B2 (en) * 2022-09-28 2025-05-13 Sram, Llc Front chainring assembly

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE423497A (enExample) *
US624635A (en) * 1899-05-09 Velocipede
US506105A (en) * 1893-10-03 Bicycle
BE430027A (enExample) *
DE266637C (enExample) *
BE413094A (enExample) *
US643349A (en) * 1895-11-18 1900-02-13 William H Fauber Bicycle crank-shaft.
CH17923A (fr) * 1898-09-30 1899-09-30 Louis Lefebvre Pédalier pour vélocipèdes
GB189904599A (en) * 1899-03-02 1899-04-08 Gomer Phillip Jones Improvements in and relating to Divided Crank-axles.
GB173085A (en) * 1920-10-01 1921-12-29 Alfred Charles Blackmore Improvements in or connected with motor attachments for velocipedes, cycles and like vehicles
FR810283A (fr) * 1935-12-06 1937-03-18 Dispositif de roue libre double pour tandems
US2211548A (en) * 1938-09-21 1940-08-13 Frank W Schwinn Freewheeling hub
US2257401A (en) * 1939-08-02 1941-09-30 Frank W Schwinn Crank bearing for bicycles
FR977791A (fr) * 1942-11-13 1951-04-05 Cycle à moteur auxiliaire
GB681509A (en) * 1950-10-25 1952-10-22 William Robson Improvements relating to free-wheel mechanism for bicycles and the like
GB1090410A (en) * 1965-05-29 1967-11-08 Raleigh Industries Ltd Epicyclic change speed gear hubs
US3377883A (en) * 1965-07-16 1968-04-16 Thun Alfred Pedal
US3492883A (en) * 1967-12-14 1970-02-03 Tetsuo Maeda Driving chain gear of a bicycle
DE1752015B2 (de) * 1968-03-21 1973-10-31 Alfred Thun & Co. Gmbh, 5828 Ennepetal Verfahren zur Herstellung einer Tretkurbel für Fahrrader
US3835729A (en) * 1971-11-27 1974-09-17 Shimano Industrial Co Means for preventing driving chain from coming off multi-speed transmission front gear for bicycle

Also Published As

Publication number Publication date
IT1074256B (it) 1985-04-20
US4183262A (en) 1980-01-15
FR2319820B1 (enExample) 1979-08-10
DE2633939A1 (de) 1977-02-17
GB1561698A (en) 1980-02-27
FR2319820A1 (fr) 1977-02-25

Similar Documents

Publication Publication Date Title
DE2633939C2 (de) Fahrrad-Tretkurbeltrieb
DE68914796T2 (de) Fahrradpedal.
DE69202179T2 (de) Brems- und Gangwechselsteuereinrichtung für ein Fahrrad.
DE69210491T2 (de) Einrichtung für die gangschaltung eines fahrrades
DE2938126C2 (enExample)
DE69722121T3 (de) Zusammenbau eines mehrstufigen Kettenrades für ein Fahrrad
DE69731523T2 (de) Zweirad-Radnaben-Montagevorrichtung
DE69820146T2 (de) Schnell lösbare Kettenschaltung
DE4413610A1 (de) Steuereinrichtung einer Fahrrad-Gangschaltung
DE69602891T2 (de) Fahrradpedal
DE2646698C2 (de) Tretkurbeltrieb für Fahrräder
DE202015009220U1 (de) Fahrradmehrfachkettenradanordnung und Antriebsabschnitt
DE102016225531A1 (de) Fahrradantriebssystem und zugehörige Baueinheit aus mehreren hinteren Kettenrädern
DE2927896A1 (de) Fahrradaehnliches zweiradfahrzeug
DE202016100725U1 (de) Fahrrad-Nabenbaueinheit
DE3407164A1 (de) Mehrgang-antriebsnabe fuer fahrraeder
DE2934588A1 (de) Pedalbetaetigte bremsensteuervorrichtung fuer fahrraeder
DE102021124558A1 (de) Fahrradpedal
DE202015004263U1 (de) Fahrradkurbeltriebanordnung
DE2652426C2 (de) Hinterradfreilaufnabe
DE60304847T2 (de) Vorrichtung für eine Fahrradnabenbremse
DE60301452T2 (de) Betätigungsvorrichtung für eine Fahrradsteuerungsvorrichtung
DE1155355B (de) Hinterradfreilaufnabe fuer Fahrraeder
EP0031627B1 (de) Tretkurbel für Fahrräder
DE2452705A1 (de) Ruecktrittbremse

Legal Events

Date Code Title Description
OD Request for examination
8128 New person/name/address of the agent

Representative=s name: SCHWABE, H., DIPL.-ING. SANDMAIR, K., DIPL.-CHEM.

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee