IT1185089B - BEARING FOR BICYCLE CRANK PRESENTING INCREASED CHARACTERISTICS - Google Patents

BEARING FOR BICYCLE CRANK PRESENTING INCREASED CHARACTERISTICS

Info

Publication number
IT1185089B
IT1185089B IT19973/85A IT1997385A IT1185089B IT 1185089 B IT1185089 B IT 1185089B IT 19973/85 A IT19973/85 A IT 19973/85A IT 1997385 A IT1997385 A IT 1997385A IT 1185089 B IT1185089 B IT 1185089B
Authority
IT
Italy
Prior art keywords
bearing
bicycle crank
increased characteristics
presenting increased
presenting
Prior art date
Application number
IT19973/85A
Other languages
Italian (it)
Other versions
IT8519973A0 (en
Inventor
Alfred Heinrich Thun
Original Assignee
Alfred Heinrich Thun
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 Alfred Heinrich Thun filed Critical Alfred Heinrich Thun
Publication of IT8519973A0 publication Critical patent/IT8519973A0/en
Application granted granted Critical
Publication of IT1185089B publication Critical patent/IT1185089B/en

Links

Classifications

    • 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
    • B62M3/08—Pedals
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/06—Ball or roller bearings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/20—Land vehicles
    • F16C2326/28—Bicycle propulsion, e.g. crankshaft and its support

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Mounting Of Bearings Or Others (AREA)
IT19973/85A 1984-11-14 1985-03-20 BEARING FOR BICYCLE CRANK PRESENTING INCREASED CHARACTERISTICS IT1185089B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843441540 DE3441540A1 (en) 1984-11-14 1984-11-14 CRANKSHAFT BEARING FOR BICYCLES

Publications (2)

Publication Number Publication Date
IT8519973A0 IT8519973A0 (en) 1985-03-20
IT1185089B true IT1185089B (en) 1987-11-04

Family

ID=6250246

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19973/85A IT1185089B (en) 1984-11-14 1985-03-20 BEARING FOR BICYCLE CRANK PRESENTING INCREASED CHARACTERISTICS

Country Status (5)

Country Link
CN (1) CN1003361B (en)
DE (1) DE3441540A1 (en)
FR (1) FR2573141B2 (en)
GB (1) GB2166810B (en)
IT (1) IT1185089B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2613313B1 (en) * 1987-03-31 1991-04-26 Bardon Sa CRANKSET FOR BICYCLES AND SIMILAR VEHICLES
DE3940274A1 (en) * 1989-12-06 1991-06-13 Esjot Antriebstech Gmbh & Co BOTTOM BEARING UNIT FOR INSTALLATION IN BOTTOM BEARING HOUSING OF BICYCLES OR THE LIKE AND METHOD FOR ASSEMBLING THE BOTTOM BRACKET UNIT
JPH0475792U (en) * 1990-11-14 1992-07-02
US5181437A (en) * 1992-07-13 1993-01-26 Chi Yi C Hub of a bicycle
US5509739A (en) * 1995-02-14 1996-04-23 Chi; Yi C. Bottom bracket assembly
DE19640030A1 (en) * 1996-09-27 1998-04-09 Joachim Hoffmann Bottom bracket arrangement
CN101423099B (en) * 2007-10-30 2011-04-20 乔绅股份有限公司 Bicycle bottom bracket compacting structure
DE102009014923C5 (en) * 2009-03-25 2015-07-23 Ab Skf Double row tapered roller bearing, in particular for supporting a rotor shaft of a wind turbine
CN104058059B (en) * 2013-03-22 2017-02-08 俞孝爱 Novel bicycle chain wheel structure
CN103335016A (en) * 2013-07-29 2013-10-02 宋吉红 Floating bearing
CN104354532B (en) * 2014-10-31 2016-09-14 上海迪诺克新材料科技有限公司 A kind of adjustable axis of bicycle rim
TWM507886U (en) 2015-03-17 2015-09-01 E Ma Internat Corp Opposite locking type bottom bracket kit
JP6914594B2 (en) * 2017-08-09 2021-08-04 ヤマハ発動機株式会社 Drive unit and electric auxiliary bicycle
CN109827598A (en) * 2019-03-29 2019-05-31 上海康比利仪表有限公司 A kind of assembling structure of rotary encoder
TWI803120B (en) * 2021-12-29 2023-05-21 久鼎金屬實業股份有限公司 bicycle center shaft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8305001U1 (en) 1983-02-23 1983-06-30 Alfred Thun & Co Gmbh, 5828 Ennepetal CRANKSHAFT BEARING FOR BICYCLES
DE3344690A1 (en) * 1983-02-23 1984-08-23 Alfred Thun & Co Gmbh, 5828 Ennepetal Bottom bracket ball bearing for cycles
DE3418499C1 (en) * 1984-05-18 1985-08-22 Alfred Heinrich 5828 Ennepetal Thun Pedal crank bearing for bicycles

Also Published As

Publication number Publication date
CN1003361B (en) 1989-02-22
GB2166810A (en) 1986-05-14
CN85102071A (en) 1986-06-10
IT8519973A0 (en) 1985-03-20
FR2573141B2 (en) 1988-11-10
GB2166810B (en) 1988-07-06
GB8506250D0 (en) 1985-04-11
DE3441540C2 (en) 1988-11-24
FR2573141A2 (en) 1986-05-16
DE3441540A1 (en) 1986-05-22

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