GB607559A - Improvements in or relating to front suspension of motor cycle frames - Google Patents

Improvements in or relating to front suspension of motor cycle frames

Info

Publication number
GB607559A
GB607559A GB397946A GB397946A GB607559A GB 607559 A GB607559 A GB 607559A GB 397946 A GB397946 A GB 397946A GB 397946 A GB397946 A GB 397946A GB 607559 A GB607559 A GB 607559A
Authority
GB
United Kingdom
Prior art keywords
links
bars
tube
forks
spring
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
GB397946A
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 GB397946A priority Critical patent/GB607559A/en
Publication of GB607559A publication Critical patent/GB607559A/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
    • B62K25/12—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg
    • B62K25/14—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg
    • B62K25/16—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg for front wheel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Abstract

607,559. Spring forks. THORNTON, A. C. Feb. 8, 1946, No. 3979. [Class 136 (iii)] A front suspension system for motor cycles wherein the front forks are connected to the main frame by upper and lower pivoted links, has the main spring in the form of a torsion bar or bars placed transversely to the machine between one or both of the links and the frame. As shown in Figs. 1 and 2, the upper links 1 are connected to the forks and to the inner ends of the torsion bars 2 which are mounted on the head 5 in tubes 4 which serve as handle-bars. The outer ends of the torsion bars are rigidly secured to the tubes 4 by a plug 6 and cap 7. A circular hollow drum 11 formed in the upper fork link coaxially with the inner end of the tube 4 acts as a friction damper when cooperating with friction-lined cores 12, 13 on the inner end of the tube. The drum is split and damping adjusted by a hand wheel 14. A telescopic damping spring 10 operates between the two links. The handles 8 are pivoted to clamps 9 which can be secured in any position on the tube 4.
GB397946A 1946-02-08 1946-02-08 Improvements in or relating to front suspension of motor cycle frames Expired GB607559A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB397946A GB607559A (en) 1946-02-08 1946-02-08 Improvements in or relating to front suspension of motor cycle frames

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB397946A GB607559A (en) 1946-02-08 1946-02-08 Improvements in or relating to front suspension of motor cycle frames

Publications (1)

Publication Number Publication Date
GB607559A true GB607559A (en) 1948-09-01

Family

ID=9768500

Family Applications (1)

Application Number Title Priority Date Filing Date
GB397946A Expired GB607559A (en) 1946-02-08 1946-02-08 Improvements in or relating to front suspension of motor cycle frames

Country Status (1)

Country Link
GB (1) GB607559A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660455A (en) * 1951-03-09 1953-11-24 Murray Ohio Mfg Co Guided suspension means for bicycle steering wheels
US2705155A (en) * 1950-06-14 1955-03-29 Torre Pier Luigi Resilient suspension system for motorcycle wheels
CN112190402A (en) * 2019-09-17 2021-01-08 恩比尔波兰有限公司 Wheel chair

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705155A (en) * 1950-06-14 1955-03-29 Torre Pier Luigi Resilient suspension system for motorcycle wheels
US2660455A (en) * 1951-03-09 1953-11-24 Murray Ohio Mfg Co Guided suspension means for bicycle steering wheels
CN112190402A (en) * 2019-09-17 2021-01-08 恩比尔波兰有限公司 Wheel chair

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