DE242504C - - Google Patents

Info

Publication number
DE242504C
DE242504C DENDAT242504D DE242504DA DE242504C DE 242504 C DE242504 C DE 242504C DE NDAT242504 D DENDAT242504 D DE NDAT242504D DE 242504D A DE242504D A DE 242504DA DE 242504 C DE242504 C DE 242504C
Authority
DE
Germany
Prior art keywords
crank
travel
pedal
spring
pedal lever
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.)
Active
Application number
DENDAT242504D
Other languages
German (de)
English (en)
Publication of DE242504C publication Critical patent/DE242504C/de
Active 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)
  • Mechanical Control Devices (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
DENDAT242504D Active DE242504C (forum.php)

Publications (1)

Publication Number Publication Date
DE242504C true DE242504C (forum.php)

Family

ID=501703

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT242504D Active DE242504C (forum.php)

Country Status (1)

Country Link
DE (1) DE242504C (forum.php)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE858648C (de) * 1950-08-25 1952-12-08 Otto Dr-Ing Lutz Tretkurbel fuer Fahrraeder
DE899455C (de) * 1950-08-09 1953-12-10 Christian Oeste In ihrer wirksamen Laenge veraenderbare Fahrradtretkurbel
DE918488C (de) * 1951-04-06 1954-09-27 Erich Popken In ihrer Laenge veraenderliche Tretkurbel fuer Fahrraeder
WO1986001781A1 (en) * 1984-09-21 1986-03-27 Koenig Harald Tread crank drive mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE899455C (de) * 1950-08-09 1953-12-10 Christian Oeste In ihrer wirksamen Laenge veraenderbare Fahrradtretkurbel
DE858648C (de) * 1950-08-25 1952-12-08 Otto Dr-Ing Lutz Tretkurbel fuer Fahrraeder
DE918488C (de) * 1951-04-06 1954-09-27 Erich Popken In ihrer Laenge veraenderliche Tretkurbel fuer Fahrraeder
WO1986001781A1 (en) * 1984-09-21 1986-03-27 Koenig Harald Tread crank drive mechanism

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