IT1230535B - LIGHT METAL CRANKS, IN PARTICULAR ALUMINUM ALLOYS FOR BICYCLES. - Google Patents

LIGHT METAL CRANKS, IN PARTICULAR ALUMINUM ALLOYS FOR BICYCLES.

Info

Publication number
IT1230535B
IT1230535B IT8921461A IT2146189A IT1230535B IT 1230535 B IT1230535 B IT 1230535B IT 8921461 A IT8921461 A IT 8921461A IT 2146189 A IT2146189 A IT 2146189A IT 1230535 B IT1230535 B IT 1230535B
Authority
IT
Italy
Prior art keywords
bicycles
aluminum alloys
light metal
particular aluminum
cranks
Prior art date
Application number
IT8921461A
Other languages
Italian (it)
Other versions
IT8921461A0 (en
Inventor
Alfred Thun
Original Assignee
Thun Alfred & Co Gmbh
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 Thun Alfred & Co Gmbh filed Critical Thun Alfred & Co Gmbh
Publication of IT8921461A0 publication Critical patent/IT8921461A0/en
Application granted granted Critical
Publication of IT1230535B publication Critical patent/IT1230535B/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Pulleys (AREA)
  • Transmission Devices (AREA)
IT8921461A 1989-01-26 1989-08-07 LIGHT METAL CRANKS, IN PARTICULAR ALUMINUM ALLOYS FOR BICYCLES. IT1230535B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3902272A DE3902272A1 (en) 1989-01-26 1989-01-26 Pedal cranks for bicycles

Publications (2)

Publication Number Publication Date
IT8921461A0 IT8921461A0 (en) 1989-08-07
IT1230535B true IT1230535B (en) 1991-10-28

Family

ID=6372836

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921461A IT1230535B (en) 1989-01-26 1989-08-07 LIGHT METAL CRANKS, IN PARTICULAR ALUMINUM ALLOYS FOR BICYCLES.

Country Status (3)

Country Link
DE (1) DE3902272A1 (en)
FR (1) FR2642033A1 (en)
IT (1) IT1230535B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179873A (en) * 1991-09-09 1993-01-19 Ocean State International, Inc. Bicycle crank assembly
US5435869A (en) * 1993-08-27 1995-07-25 Christensen; Roland Method for manufacturing a composite crank arm
JP3117907B2 (en) * 1995-08-04 2000-12-18 株式会社シマノ Bicycle crank and manufacturing method thereof
DE19717463A1 (en) * 1997-04-25 1998-10-29 Sram De Gmbh Crank arm for pedal drive of bicycle
DE19755950C2 (en) * 1997-12-16 2001-08-16 Jason Chen Process for the production of drive cranks for bicycles
US6314834B1 (en) 1999-01-25 2001-11-13 Truvativ International Co., Ltd. Hollow crank arm

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR990700A (en) * 1944-03-29 1951-09-25 Cast metal crank for cycle cranksets

Also Published As

Publication number Publication date
IT8921461A0 (en) 1989-08-07
FR2642033A1 (en) 1990-07-27
DE3902272A1 (en) 1990-08-02

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530