FR634612A - Manivelles à course variable pour cycles à pédale - Google Patents

Manivelles à course variable pour cycles à pédale

Info

Publication number
FR634612A
FR634612A FR634612DA FR634612A FR 634612 A FR634612 A FR 634612A FR 634612D A FR634612D A FR 634612DA FR 634612 A FR634612 A FR 634612A
Authority
FR
France
Prior art keywords
variable stroke
pedal cycles
cranks
stroke cranks
pedal
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
John Endersen
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 FR634612A publication Critical patent/FR634612A/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)
FR634612D 1927-02-16 1927-05-18 Manivelles à course variable pour cycles à pédale Expired FR634612A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB634612X 1927-02-16

Publications (1)

Publication Number Publication Date
FR634612A true FR634612A (fr) 1928-02-22

Family

ID=10489043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR634612D Expired FR634612A (fr) 1927-02-16 1927-05-18 Manivelles à course variable pour cycles à pédale

Country Status (1)

Country Link
FR (1) FR634612A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898047A (en) * 1987-09-14 1990-02-06 Cropek Douglas A Crank and sprocket drive
US5060536A (en) * 1990-03-05 1991-10-29 Boys Donald R Flexible crank drive

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898047A (en) * 1987-09-14 1990-02-06 Cropek Douglas A Crank and sprocket drive
US5060536A (en) * 1990-03-05 1991-10-29 Boys Donald R Flexible crank drive

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