ES267976U - Dispositivo de propulsion para bicicletas de dos asientos. - Google Patents

Dispositivo de propulsion para bicicletas de dos asientos.

Info

Publication number
ES267976U
ES267976U ES1981267976U ES267976U ES267976U ES 267976 U ES267976 U ES 267976U ES 1981267976 U ES1981267976 U ES 1981267976U ES 267976 U ES267976 U ES 267976U ES 267976 U ES267976 U ES 267976U
Authority
ES
Spain
Prior art keywords
wheel
gear
unit
shaft
gear wheel
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.)
Granted
Application number
ES1981267976U
Other languages
English (en)
Other versions
ES267976Y (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from IT05133/80A external-priority patent/IT1136000B/it
Priority claimed from IT05132/80A external-priority patent/IT1135999B/it
Application filed by Individual filed Critical Individual
Publication of ES267976U publication Critical patent/ES267976U/es
Application granted granted Critical
Publication of ES267976Y publication Critical patent/ES267976Y/es
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
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Transmission Devices (AREA)
  • Gear Transmission (AREA)

Abstract

Dispositivo de propulsión para las bicicletas de dos asientos que comprende fuerzas apareadas motrices anteriores, fuerzas apareadas motrices posteriores, un grupo de cubos de rueda fijado a la rueda posterior y dos cadenas de transmisión, caracterizado por el hecho de que las fuerzas apareadas motrices anteriores comprenden un árbol de rotación provisto en una extremidad de una manivela de pedal y de una primera rueda dentada y, en la otra extremidad, de una manivela de pedal y de, por lo menos, una segunda rueda dentada; las fuerzas apareadas motrices posteriores comprenden un árbol de rotación, cuyo eje de rotación coincide con el del grupo de cubo de rueda, provista de manivela de pedal en cada una de sus extremidades, y de una rueda dentada sobre el lado correspondiente a la primeramente mencionada rueda dentada anterior; el grupo de cubo de rueda comprende, por lo menos, dos cojinetes ensamblados sobre el mencionado arbol de rotación de las fuerzas apareadas motrices posteriores, un cubo de rueda empalmado sobre la superficie externa de los mencionados cojinetes, y un grupo de piñón, de disparo libre, sobre el lado opuesto de aquel sobre el que está dispuesta la rueda dentada; y las dos cadenas están dispuestas, respectivamente, una entre la rueda dentada posterior y la primera rueda dentada anterior, y la otra, entre una de las segundas ruedas dentadas anteriores y uno de los piñones dentados del cubo de rueda.
ES1981267976U 1980-03-12 1981-03-11 Dispositivo de propulsion para bicicletas de dos asientos. Expired ES267976Y (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT05133/80A IT1136000B (it) 1980-03-12 1980-03-12 Bicicletta per due persone
IT05132/80A IT1135999B (it) 1980-03-12 1980-03-12 Sistema di propulsione per tandem o bicicletta per due persone

Publications (2)

Publication Number Publication Date
ES267976U true ES267976U (es) 1983-06-01
ES267976Y ES267976Y (es) 1983-12-01

Family

ID=26325660

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1981267976U Expired ES267976Y (es) 1980-03-12 1981-03-11 Dispositivo de propulsion para bicicletas de dos asientos.

Country Status (4)

Country Link
DE (1) DE3108752A1 (es)
ES (1) ES267976Y (es)
FR (1) FR2478013A1 (es)
GB (1) GB2074958A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332539A1 (de) * 1983-09-09 1984-02-23 Helmut Dr. 6601 Scheidt Reichmann Tandem
US4936597A (en) * 1989-04-21 1990-06-26 Hartmann Dirck T Fully enclosed multiple speed drive for a chain driven tandem bicycle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH108628A (de) * 1924-02-01 1925-01-16 Bastian Wilhelm Fahrrad.
GB583871A (en) * 1944-04-12 1947-01-01 James Thomas Bird Velocipedes
GB613291A (en) * 1946-06-17 1948-11-24 James Thomas Bird Velocipedes
FR1514213A (fr) * 1965-12-17 1968-02-23 O M P Ohg Ponti & C S N C E Fl Bicyclette à deux places transformable en bicyclette monoplace

Also Published As

Publication number Publication date
DE3108752A1 (de) 1982-01-14
GB2074958A (en) 1981-11-11
ES267976Y (es) 1983-12-01
FR2478013A1 (fr) 1981-09-18

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