FR681253A - Crank forming lever arm of variable length automatically - Google Patents

Crank forming lever arm of variable length automatically

Info

Publication number
FR681253A
FR681253A FR681253DA FR681253A FR 681253 A FR681253 A FR 681253A FR 681253D A FR681253D A FR 681253DA FR 681253 A FR681253 A FR 681253A
Authority
FR
France
Prior art keywords
lever arm
variable length
length automatically
forming lever
crank forming
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
Ernest Bergeron
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 FR681253A publication Critical patent/FR681253A/en
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
FR681253D 1929-09-03 1929-09-03 Crank forming lever arm of variable length automatically Expired FR681253A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR681253T 1929-09-03

Publications (1)

Publication Number Publication Date
FR681253A true FR681253A (en) 1930-05-13

Family

ID=9022721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR681253D Expired FR681253A (en) 1929-09-03 1929-09-03 Crank forming lever arm of variable length automatically

Country Status (1)

Country Link
FR (1) FR681253A (en)

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