FR974913A - Device for converting normal type bicycle cranks into extensible cranks - Google Patents

Device for converting normal type bicycle cranks into extensible cranks

Info

Publication number
FR974913A
FR974913A FR974913DA FR974913A FR 974913 A FR974913 A FR 974913A FR 974913D A FR974913D A FR 974913DA FR 974913 A FR974913 A FR 974913A
Authority
FR
France
Prior art keywords
cranks
extensible
normal type
type bicycle
converting normal
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
Other languages
French (fr)
Inventor
Robert-Gustave Josset
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 filed Critical
Application granted granted Critical
Publication of FR974913A publication Critical patent/FR974913A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M3/00Construction of cranks operated by hand or foot
    • B62M3/02Construction of cranks operated by hand or foot of adjustable length
    • B62M3/04Construction of cranks operated by hand or foot of adjustable length automatically adjusting

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR974913D 1948-11-16 1948-11-16 Device for converting normal type bicycle cranks into extensible cranks Expired FR974913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR974913T 1948-11-16

Publications (1)

Publication Number Publication Date
FR974913A true FR974913A (en) 1951-02-27

Family

ID=9517743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR974913D Expired FR974913A (en) 1948-11-16 1948-11-16 Device for converting normal type bicycle cranks into extensible cranks

Country Status (1)

Country Link
FR (1) FR974913A (en)

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