IT1074256B - Manovellismo di azionamento per biciclette - Google Patents

Manovellismo di azionamento per biciclette

Info

Publication number
IT1074256B
IT1074256B IT7668934A IT6893476A IT1074256B IT 1074256 B IT1074256 B IT 1074256B IT 7668934 A IT7668934 A IT 7668934A IT 6893476 A IT6893476 A IT 6893476A IT 1074256 B IT1074256 B IT 1074256B
Authority
IT
Italy
Prior art keywords
bicycles
drive crank
crank
drive
Prior art date
Application number
IT7668934A
Other languages
English (en)
Inventor
Segawa Takashi
Original Assignee
Shimano Industrial Co
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 filed Critical Shimano Industrial Co
Application granted granted Critical
Publication of IT1074256B publication Critical patent/IT1074256B/it

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)
IT7668934A 1975-08-01 1976-07-30 Manovellismo di azionamento per biciclette IT1074256B (it)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
IT1074256B true IT1074256B (it) 1985-04-20

Family

ID=27311071

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7668934A IT1074256B (it) 1975-08-01 1976-07-30 Manovellismo di azionamento per biciclette

Country Status (5)

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

Families Citing this family (14)

* 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

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US506105A (en) * 1893-10-03 Bicycle
BE430027A (it) *
BE413094A (it) *
BE423497A (it) *
DE266637C (it) *
US624635A (en) * 1899-05-09 Velocipede
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
US4183262A (en) 1980-01-15
FR2319820A1 (fr) 1977-02-25
DE2633939A1 (de) 1977-02-17
DE2633939C2 (de) 1985-11-14
GB1561698A (en) 1980-02-27
FR2319820B1 (it) 1979-08-10

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