GB144375A - Spring frames for motor cycles and the like - Google Patents

Spring frames for motor cycles and the like

Info

Publication number
GB144375A
GB144375A GB578119A GB578119A GB144375A GB 144375 A GB144375 A GB 144375A GB 578119 A GB578119 A GB 578119A GB 578119 A GB578119 A GB 578119A GB 144375 A GB144375 A GB 144375A
Authority
GB
United Kingdom
Prior art keywords
spring
rod
frame
tension
secured
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
GB578119A
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.)
CHALLENGE CYCLE AND MOTOR COMP
Original Assignee
CHALLENGE CYCLE AND MOTOR COMP
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 CHALLENGE CYCLE AND MOTOR COMP filed Critical CHALLENGE CYCLE AND MOTOR COMP
Priority to GB578119A priority Critical patent/GB144375A/en
Publication of GB144375A publication Critical patent/GB144375A/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
    • B62K25/20—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 rear wheel
    • 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
    • B62K2201/00—Springs used in cycle frames or parts thereof
    • B62K2201/04—Helical springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

144,375. Challenge Cycle & Motor Co., and Ramsey, W. March 8, 1919. Spring devices.-Relates to spring frames for mutorcycles, side-cars, &c., of the type in which the roadwheel spindle is carried by links or arms pivoted in the extremities of the frame, and having dependent lugs for connexion with springs arranged below and secured to the bottom stays or members of the frame. The invention consists in a construction of the spring device whereby the springs are arranged in a particular manner and are provided with a casing which is secured to the adjacent hub or arm on the cycle &c. frame by means of a rod passing through a cap screwed on to the end of the casing. The rearwheel axle of a motor-cycle is carried in slots 25 formed in links 7 which have bearings 4 of comparatively large diameter in the frame, the links being formed with arms 14 which are connected to the frame through tension and compression springs 16, 24, 21. The two rear stays 2, 3 are connected to a circular plate 4, Fig. 3, with an internal flange 5, fitting into a corresponding flanged circular member 8, Fig. 2, forming the hub of a bell-crank lever, of which one arm 7 carries the rear-wheel spindle, the other arm 14 being connected to the spring cushioning-device. The outer flange 9 of the member 8 bears on the flange 5 of the plate 4, whilst ball bearings 12 are interposed between an inner flange 10 and the central bolt 11. Tension and compression springs 16, 24 are arranged within a casing 17, which is closed at the rear end by a perforated screw cap 20 through which passes a rod 15<a> screwing into a continuation rod 15 which is secured to the lug 14. The front end of the tension spring 16 is secured to a short rod 18 passing through a bracket 19 fixed to the lower stay 3. The tension of this spring is adjusted by means of nuts on the screw-threaded end of the rod 18. A slight angular movement is allowed for by flaring the opening in the bracket 19 through which the rod passes. The inside compression spring 24, which abuts against a plunger 23 at the end of the rod 15<a>, acts in conjunction with an outside compression spring 21 to cushion the movement of the tension spring 16. To ensure lateral rigidity the wheel may be further supported by an horizontal stirrup or yoke 26, pivoted at 28 to the saddle tube, and connected at the rear end either to the wheel spindle direct, or to the link 7 throgh shackles 27. The arrangement is shown in Fig. 5 as applied to a side-car, the brackets 19 for the spring member being fixed on the longitudinal members 32 of the chassis.
GB578119A 1919-03-08 1919-03-08 Spring frames for motor cycles and the like Expired GB144375A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB578119A GB144375A (en) 1919-03-08 1919-03-08 Spring frames for motor cycles and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB578119A GB144375A (en) 1919-03-08 1919-03-08 Spring frames for motor cycles and the like

Publications (1)

Publication Number Publication Date
GB144375A true GB144375A (en) 1920-06-08

Family

ID=9802485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB578119A Expired GB144375A (en) 1919-03-08 1919-03-08 Spring frames for motor cycles and the like

Country Status (1)

Country Link
GB (1) GB144375A (en)

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