DE69402763T2 - Tretlager für Fahrrad oder dergleichen ohne Totpunkte - Google Patents

Tretlager für Fahrrad oder dergleichen ohne Totpunkte

Info

Publication number
DE69402763T2
DE69402763T2 DE69402763T DE69402763T DE69402763T2 DE 69402763 T2 DE69402763 T2 DE 69402763T2 DE 69402763 T DE69402763 T DE 69402763T DE 69402763 T DE69402763 T DE 69402763T DE 69402763 T2 DE69402763 T2 DE 69402763T2
Authority
DE
Germany
Prior art keywords
bicycles
bottom bracket
dead spots
spots
dead
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 - Fee Related
Application number
DE69402763T
Other languages
English (en)
Other versions
DE69402763D1 (de
Inventor
Domenico Scaramozzino
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.)
DRACO LTD., DOUGLAS, ISLE OF MAN, GB
Original Assignee
Draco Ltd
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 by Draco Ltd filed Critical Draco Ltd
Priority claimed from US08/554,428 external-priority patent/US5755635A/en
Application granted granted Critical
Publication of DE69402763D1 publication Critical patent/DE69402763D1/de
Publication of DE69402763T2 publication Critical patent/DE69402763T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B62M2003/006—Crank arrangements to overcome dead points

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
DE69402763T 1993-06-22 1994-06-21 Tretlager für Fahrrad oder dergleichen ohne Totpunkte Expired - Fee Related DE69402763T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT93MI001343A IT1264872B1 (it) 1993-06-22 1993-06-22 Dispositivo di trasmissione di energia a manovellismo con eliminazione dei punti morti, particolarmente per biciclette e simili
US08/554,428 US5755635A (en) 1993-01-28 1995-11-06 Crank device for the transmission of energy with elimination of dead centers, particularly suited for bicycles and the like

Publications (2)

Publication Number Publication Date
DE69402763D1 DE69402763D1 (de) 1997-05-28
DE69402763T2 true DE69402763T2 (de) 1998-05-20

Family

ID=26331010

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69402763T Expired - Fee Related DE69402763T2 (de) 1993-06-22 1994-06-21 Tretlager für Fahrrad oder dergleichen ohne Totpunkte

Country Status (4)

Country Link
EP (1) EP0630804B1 (de)
DE (1) DE69402763T2 (de)
ES (1) ES2103540T3 (de)
IT (1) IT1264872B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5755635A (en) * 1993-01-28 1998-05-26 Draco Limited Crank device for the transmission of energy with elimination of dead centers, particularly suited for bicycles and the like
AU2005201807C1 (en) * 2004-11-01 2006-08-03 Gorza, A. E. A Bicycle Crankshaft and Chain Wheel Assembly
KR101346065B1 (ko) 2012-03-15 2013-12-31 주식회사 에파테크 자전거 동력발생장치
WO2020221379A1 (en) * 2019-04-29 2020-11-05 Havelka Petr Bicycle drivetrain system with variable angular velocity of pedals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR763303A (de) * 1934-04-26
GB815772A (en) * 1957-01-26 1959-07-01 Oscar Stettler Improvements in or relating to crank mechanisms for cycles
FR1296591A (fr) * 1961-03-20 1962-06-22 Pédalier permettant l'allongement de la manivelle

Also Published As

Publication number Publication date
EP0630804B1 (de) 1997-04-23
ITMI931343A1 (it) 1994-12-22
IT1264872B1 (it) 1996-10-17
ITMI931343A0 (it) 1993-06-22
ES2103540T3 (es) 1997-09-16
DE69402763D1 (de) 1997-05-28
EP0630804A1 (de) 1994-12-28

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: DRACO LTD., DOUGLAS, ISLE OF MAN, GB

8328 Change in the person/name/address of the agent

Free format text: TIEDTKE, BUEHLING, KINNE & PARTNER, 80336 MUENCHEN

8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: DERZEIT KEIN VERTRETER BESTELLT

8339 Ceased/non-payment of the annual fee