FR2440863A1 - Plateau a diametre variable pour cycles - Google Patents

Plateau a diametre variable pour cycles

Info

Publication number
FR2440863A1
FR2440863A1 FR7831737A FR7831737A FR2440863A1 FR 2440863 A1 FR2440863 A1 FR 2440863A1 FR 7831737 A FR7831737 A FR 7831737A FR 7831737 A FR7831737 A FR 7831737A FR 2440863 A1 FR2440863 A1 FR 2440863A1
Authority
FR
France
Prior art keywords
riders
lobed
sections
chain sprocket
bicycle chain
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
FR7831737A
Other languages
English (en)
Other versions
FR2440863B1 (fr
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.)
POLCHLOPEK EDMOND
Original Assignee
POLCHLOPEK EDMOND
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 POLCHLOPEK EDMOND filed Critical POLCHLOPEK EDMOND
Priority to FR7831737A priority Critical patent/FR2440863A1/fr
Publication of FR2440863A1 publication Critical patent/FR2440863A1/fr
Application granted granted Critical
Publication of FR2440863B1 publication Critical patent/FR2440863B1/fr
Granted 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
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/08—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving eccentrically- mounted or elliptically-shaped driving or driven wheel; with expansible driving or driven wheel
    • 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
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M2009/002—Non-circular chain rings or sprockets

Abstract

L'INVENTION A TRAIT AU DOMAINE DES ORGANES CONSTITUTIFS DE CYCLES. LE PLATEAU A DIAMETRE VARIABLE SELON L'INVENTION EST ESSENTIELLEMENT CARACTERISE EN CE QU'IL PRESENTE DEUX DIAMETRES PRINCIPAUX INEGAUX DISPOSES SELON DEUX AXES PERPENDICULAIRES V-H AYANT L'AXE DU PEDALIER 3 COMME ORIGINE, DONT LE RAPPORT DU PETIT DIAMETRE SUR LE GRAND DIAMETRE A UNE VALEUR COMPRISE ENTRE0,65 ET 0,90 ENVIRON, L'AXE LONGITUDINAL 10 DE LA MANIVELLE ADJACENTEFORMANT UN ANGLE COMPRIS ENTRE0 ET 17DEGRES ENVIRON, AU SENS TRIGONOMETRIQUE, AVEC L'AXE DU PETIT DIAMETRE. APPLICATION AUX PEDALIERS DE BICYCLETTES.
FR7831737A 1978-11-09 1978-11-09 Plateau a diametre variable pour cycles Granted FR2440863A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7831737A FR2440863A1 (fr) 1978-11-09 1978-11-09 Plateau a diametre variable pour cycles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7831737A FR2440863A1 (fr) 1978-11-09 1978-11-09 Plateau a diametre variable pour cycles

Publications (2)

Publication Number Publication Date
FR2440863A1 true FR2440863A1 (fr) 1980-06-06
FR2440863B1 FR2440863B1 (fr) 1981-06-26

Family

ID=9214673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7831737A Granted FR2440863A1 (fr) 1978-11-09 1978-11-09 Plateau a diametre variable pour cycles

Country Status (1)

Country Link
FR (1) FR2440863A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501146A1 (fr) * 1981-03-06 1982-09-10 Bouffard Claude Plateau de pedalier de cycle
JPS57199191U (fr) * 1981-06-15 1982-12-17
DE3319736A1 (de) * 1982-06-01 1983-12-01 Shimano Industrial Co., Ltd., Sakai, Osaka Tretkurbeltrieb fuer ein fahrrad
WO1993007044A1 (fr) * 1991-10-11 1993-04-15 Michel Sassi Plateau non circulaire pour pedalier

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR558634A (fr) * 1923-08-30
BE855299A (nl) * 1977-06-01 1977-12-01 Ziemba Alfred Ovaal aandrijftandwiel voor rijwiel
FR2351851A1 (fr) * 1976-05-17 1977-12-16 Vian Leon Pedalier pour cycles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR558634A (fr) * 1923-08-30
FR2351851A1 (fr) * 1976-05-17 1977-12-16 Vian Leon Pedalier pour cycles
BE855299A (nl) * 1977-06-01 1977-12-01 Ziemba Alfred Ovaal aandrijftandwiel voor rijwiel

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501146A1 (fr) * 1981-03-06 1982-09-10 Bouffard Claude Plateau de pedalier de cycle
JPS57199191U (fr) * 1981-06-15 1982-12-17
DE3319736A1 (de) * 1982-06-01 1983-12-01 Shimano Industrial Co., Ltd., Sakai, Osaka Tretkurbeltrieb fuer ein fahrrad
US4522610A (en) * 1982-06-01 1985-06-11 Shimano Industrial Company Limited Gear crank apparatus for a bicycle
DE3348078C2 (fr) * 1982-06-01 1990-07-12 Shimano Industrial Co., Ltd., Sakai, Osaka, Jp
WO1993007044A1 (fr) * 1991-10-11 1993-04-15 Michel Sassi Plateau non circulaire pour pedalier
FR2682349A1 (fr) * 1991-10-11 1993-04-16 Sassi Michel Plateau non circulaire pour pedalier de bicyclette.
US5549314A (en) * 1991-10-11 1996-08-27 Sassi; Michel Non-circular front chain wheel for crank gear

Also Published As

Publication number Publication date
FR2440863B1 (fr) 1981-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse