GB498391A - Improvements in or relating to spring units - Google Patents

Improvements in or relating to spring units

Info

Publication number
GB498391A
GB498391A GB1867437A GB1867437A GB498391A GB 498391 A GB498391 A GB 498391A GB 1867437 A GB1867437 A GB 1867437A GB 1867437 A GB1867437 A GB 1867437A GB 498391 A GB498391 A GB 498391A
Authority
GB
United Kingdom
Prior art keywords
housing
springs
spring
members
stress
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
GB1867437A
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.)
Ringfeder GmbH
Original Assignee
Ringfeder GmbH
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 Ringfeder GmbH filed Critical Ringfeder GmbH
Publication of GB498391A publication Critical patent/GB498391A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/14Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
    • B60G11/15Coil springs resisting deflection by winding up

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)

Abstract

498,391. Vehicle suspensions ; shockabsorbers. RINGFEDER GES. July 5, 1937, No. 18674. Convention date, July 4, 1936. [Classes 108 (ii) and 108 (iii)] A spring or shockabsorbing device for use in an aircraft or a vehicle suspension comprises members adapted to be connected respectively to the chassis or the like and a road-wheel axle or the like, a housing or part of a housing being secured to one member and the other member being arranged to bear on one end of at least one helical or spiral spring wire which is closely surrounded by the housing, the other end of the wire being prevented from moving angularly relatively to the housing. On relative movement of the members the wire tends to unwind against the internal wall of the housing and is compressed tangentially. As shown in Fig. 3, the spring or shock-absorbing unit proper comprises a pair of intercoiled spring wires m, n adapted under the action of tangential end-forces P to be compressed within a cylindrical housing q which may be expandable radially outwards. In order to stress the springs equally throughout their length the cross-section may be decreased towards the centre of the spring proportionately with the otherwise decrease in the amount of stress. The housing also may vary in thickness. The housing may be divided into a number of rings, as shown in Fig. 10, in which also one or two end coils of the springs m, n are shown extending into sleeves q<1> which act as force-transmission members to stress the springs through the friction between the end coils and the sleeves. Fig. 7 shows another construction of unit in which springs r, s intercoiled in flat spirals are inserted between and adapted to be stressed by relative rotation of a shouldered sleeve u fixed to a shaft t<1> and an internallyshouldered housing z fixed to a second shaft. In a modification the housing has internal spiral ribs on which the springs bear. Fig. 11 shows the invention embodied in an independent wheel suspension comprising a wheel-supporting arm 1, suspended by members 12, 15 from a bracket 13, and a part-housing 10 fixed to the chassis, a portion of the arm being shaped to form a part-housing 3 enclosing end coils of the springs 4, 5 the major portions of which are engaged by rings 6, 7, 8, 9 completing the housing, and the other end coils of which are enclosed by the part 10. Instead of the arm, Fig. 11, the units described may be stressed by an inclined plane, screw means, or hydraulic means. The Specification also contains some theoretical discussion illustrated by graphs. Specification 423,278, [Group XXIV], is referred to.
GB1867437A 1936-07-05 1937-07-05 Improvements in or relating to spring units Expired GB498391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1936R0096743 DE694079C (en) 1936-07-05 1936-07-05 Spring, especially suspension spring

Publications (1)

Publication Number Publication Date
GB498391A true GB498391A (en) 1939-01-05

Family

ID=6545297

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1867437A Expired GB498391A (en) 1936-07-05 1937-07-05 Improvements in or relating to spring units

Country Status (3)

Country Link
DE (1) DE694079C (en)
FR (1) FR823907A (en)
GB (1) GB498391A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7128191B2 (en) 2003-10-22 2006-10-31 Arvinmeritor Light Vehicle Systems (Uk) Ltd. Actuator assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE835961C (en) * 1943-09-30 1952-04-07 Ringfeder Gmbh Axially loadable friction spring
EP0045814B1 (en) * 1980-08-05 1983-12-14 Közuti Közlekedési Tudományos Kutato Intézet Adjustable spiral spring for measuring instruments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7128191B2 (en) 2003-10-22 2006-10-31 Arvinmeritor Light Vehicle Systems (Uk) Ltd. Actuator assembly

Also Published As

Publication number Publication date
DE694079C (en) 1940-07-25
FR823907A (en) 1938-01-28

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