FR2370625A1 - Suspension and transmission layout for motorcycles - has rear swinging arm offset below line of transmission to negate acceleration reaction - Google Patents

Suspension and transmission layout for motorcycles - has rear swinging arm offset below line of transmission to negate acceleration reaction

Info

Publication number
FR2370625A1
FR2370625A1 FR7633845A FR7633845A FR2370625A1 FR 2370625 A1 FR2370625 A1 FR 2370625A1 FR 7633845 A FR7633845 A FR 7633845A FR 7633845 A FR7633845 A FR 7633845A FR 2370625 A1 FR2370625 A1 FR 2370625A1
Authority
FR
France
Prior art keywords
transmission
suspension
negate
motorcycles
swinging arm
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
FR7633845A
Other languages
French (fr)
Other versions
FR2370625B1 (en
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
Application filed by Individual filed Critical Individual
Priority to FR7633845A priority Critical patent/FR2370625A1/en
Publication of FR2370625A1 publication Critical patent/FR2370625A1/en
Application granted granted Critical
Publication of FR2370625B1 publication Critical patent/FR2370625B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
    • B62K25/28—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay
    • B62K25/283—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay for cycles without a pedal crank, e.g. motorcycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
    • B62K11/02—Frames
    • B62K11/04—Frames characterised by the engine being between front and rear wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

The motorcycle comprises a rear wheel (3) on a shaft carried by swing arms (16) freely pivotable on separate shafts (14) carried by frame uprights (10). A suspension unit (18) is connected between each swing arm and a frame part (11), the transfer pinion (23, 24) of the chain drive being mounted on one of the shafts to suppress rear weight transfer during acceleration. The calipers for the brake disc (29) are carried by a horizontal transverse member supported on the rear end of a torque arm (31) selectively connected to one of a series of holes in an oblique frame member. This connection of the calipers to the frame instead of the arm reduces forward weight transfer on braking.
FR7633845A 1976-11-10 1976-11-10 Suspension and transmission layout for motorcycles - has rear swinging arm offset below line of transmission to negate acceleration reaction Granted FR2370625A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7633845A FR2370625A1 (en) 1976-11-10 1976-11-10 Suspension and transmission layout for motorcycles - has rear swinging arm offset below line of transmission to negate acceleration reaction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7633845A FR2370625A1 (en) 1976-11-10 1976-11-10 Suspension and transmission layout for motorcycles - has rear swinging arm offset below line of transmission to negate acceleration reaction

Publications (2)

Publication Number Publication Date
FR2370625A1 true FR2370625A1 (en) 1978-06-09
FR2370625B1 FR2370625B1 (en) 1979-03-02

Family

ID=9179739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7633845A Granted FR2370625A1 (en) 1976-11-10 1976-11-10 Suspension and transmission layout for motorcycles - has rear swinging arm offset below line of transmission to negate acceleration reaction

Country Status (1)

Country Link
FR (1) FR2370625A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480699A1 (en) * 1980-04-18 1981-10-23 Lebaron Richard Motorcycle frame swing arm mounting - has pivot axis coinciding with that of engine output shaft
WO2002094649A1 (en) * 2001-05-24 2002-11-28 Spi S.R.L. Chain drive system with two independent rings with intermediate double-pinion transmission element
EP1743832A1 (en) 2005-07-14 2007-01-17 Bayerische Motoren Werke Aktiengesellschaft motorcycle
GB2458108A (en) * 2008-03-03 2009-09-09 Robert Ian Sykes Swingarm motorcycle drive trains

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480699A1 (en) * 1980-04-18 1981-10-23 Lebaron Richard Motorcycle frame swing arm mounting - has pivot axis coinciding with that of engine output shaft
WO2002094649A1 (en) * 2001-05-24 2002-11-28 Spi S.R.L. Chain drive system with two independent rings with intermediate double-pinion transmission element
EP1743832A1 (en) 2005-07-14 2007-01-17 Bayerische Motoren Werke Aktiengesellschaft motorcycle
WO2007006450A2 (en) 2005-07-14 2007-01-18 Bayerische Motoren Werke Aktiengesellschaft Vehicle in particular a motorcycle and engine/gearbox unit for a vehicle
US9260153B2 (en) 2005-07-14 2016-02-16 Bayerische Motoren Werke Aktiengesellschaft Vehicle in particular a motorcycle and engine/gearbox unit for a vehicle
GB2458108A (en) * 2008-03-03 2009-09-09 Robert Ian Sykes Swingarm motorcycle drive trains
WO2009109774A1 (en) * 2008-03-03 2009-09-11 Robert Ian Sykes Motorcycle drive train

Also Published As

Publication number Publication date
FR2370625B1 (en) 1979-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse