FR537463A - Manivelles extensibles à rappel élastique par ressort - Google Patents

Manivelles extensibles à rappel élastique par ressort

Info

Publication number
FR537463A
FR537463A FR537463DA FR537463A FR 537463 A FR537463 A FR 537463A FR 537463D A FR537463D A FR 537463DA FR 537463 A FR537463 A FR 537463A
Authority
FR
France
Prior art keywords
cranks
extendable
spring
elastic return
return
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
English (en)
Inventor
Paul Girardin
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 FR537463A publication Critical patent/FR537463A/fr
Expired legal-status Critical Current

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
    • B62M3/02—Construction of cranks operated by hand or foot of adjustable length
    • B62M3/04—Construction 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)
FR537463D 1920-11-30 1920-11-30 Manivelles extensibles à rappel élastique par ressort Expired FR537463A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR537463T 1920-11-30

Publications (1)

Publication Number Publication Date
FR537463A true FR537463A (fr) 1922-05-24

Family

ID=8927505

Family Applications (1)

Application Number Title Priority Date Filing Date
FR537463D Expired FR537463A (fr) 1920-11-30 1920-11-30 Manivelles extensibles à rappel élastique par ressort

Country Status (1)

Country Link
FR (1) FR537463A (fr)

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