GB738153A - Improvements in or relating to spring suspension system for the rear wheel of motor cycles - Google Patents

Improvements in or relating to spring suspension system for the rear wheel of motor cycles

Info

Publication number
GB738153A
GB738153A GB8979/51A GB897951A GB738153A GB 738153 A GB738153 A GB 738153A GB 8979/51 A GB8979/51 A GB 8979/51A GB 897951 A GB897951 A GB 897951A GB 738153 A GB738153 A GB 738153A
Authority
GB
United Kingdom
Prior art keywords
frame
torsion bar
teeth
rear wheel
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.)
Expired
Application number
GB8979/51A
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.)
Innocenti Societa General per lIndustria Metallurgica e Meccanica
Original Assignee
Innocenti Societa General per lIndustria Metallurgica e Meccanica
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 Innocenti Societa General per lIndustria Metallurgica e Meccanica filed Critical Innocenti Societa General per lIndustria Metallurgica e Meccanica
Publication of GB738153A publication Critical patent/GB738153A/en
Expired 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
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/14—Separate pillions
    • 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
    • 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
    • B62K2202/00—Motorised scooters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supercharger (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Abstract

738,153. Spring frames for motor-cycles. INNOCENTI SOC. GENERALE PER L' INDUSTRIA METALLURGICA E MECCANICA. April 17, 1951 [April 18, 1950; July 14, 1950], No. 8979/51. Class 136(3). In a motor cycle rear wheel suspension system the engine unit 1, as shown in sectional plan in Fig. 1, is integral with the rear wheel supporting arm, the arm being pivoted to the motor cycle frame, adjacent the engine, about a horizontal axis embodying a torsion bar 7. The engine unit 1 is provided with a seat 2 with internal teeth which mesh with external teeth on a cylindrical bushing 3 resting at its ends on bearings 4 carried by an extension 5 of the frame. A flange'9 is keyed to one end of the extension 5 and carries a hub 10 having internal teeth 6 in which fits one end of the torsion bar 7. The other end of the torsion bar meshes with internal teeth of the bushing 3. The intermeshing teeth have angular spacings which are not a multiple of each other so that a small adjustment of the initial relative position can be obtained. The flange 9 has a number of equally spaced bolt holes 91 which are not a multiple of the number of teeth of the torsion bar 7. The engine unit may carry an arm 11, Fig. 2, adapted to contact a resilient block 12 on the frame at the end of its travel. To relieve the cycle frame from the stresses caused by the weight of the driver and passenger a spring 17 (Fig. 4) is provided between the frame 18 and the wheel supporting arm 19. In the embodiment shown in Fig. 5, the swinging assembly 31 is hinged by two wing parts 32 to a pivot 321 on a closed loop structure of the frame 33 carrying saddles 34, 35. A lever 38 is pivoted at 36 to the engine crank case and at 39 to a lever 40 at the lower hub of which is rigidly connected a torsion bar 41. The other end of the bar 41 is rigidly fitted in a seat on the frame 33.
GB8979/51A 1950-04-18 1951-04-17 Improvements in or relating to spring suspension system for the rear wheel of motor cycles Expired GB738153A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT738153X 1950-04-18

Publications (1)

Publication Number Publication Date
GB738153A true GB738153A (en) 1955-10-12

Family

ID=11315393

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8979/51A Expired GB738153A (en) 1950-04-18 1951-04-17 Improvements in or relating to spring suspension system for the rear wheel of motor cycles

Country Status (1)

Country Link
GB (1) GB738153A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023893A2 (en) * 1979-08-07 1981-02-11 GILARDINI S.p.A. Motor cycle with swinging fork rear suspension

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023893A2 (en) * 1979-08-07 1981-02-11 GILARDINI S.p.A. Motor cycle with swinging fork rear suspension
EP0023893A3 (en) * 1979-08-07 1982-03-24 GILARDINI S.p.A. Motor cycle with swinging fork rear suspension

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