IL42165A - High strength auxiliary axle suspension system - Google Patents

High strength auxiliary axle suspension system

Info

Publication number
IL42165A
IL42165A IL42165A IL4216573A IL42165A IL 42165 A IL42165 A IL 42165A IL 42165 A IL42165 A IL 42165A IL 4216573 A IL4216573 A IL 4216573A IL 42165 A IL42165 A IL 42165A
Authority
IL
Israel
Prior art keywords
axle
vehicle
lift
offsetting
longitudinally extending
Prior art date
Application number
IL42165A
Other versions
IL42165A0 (en
Original Assignee
Twm Mfg Co Inc
Wdt Warren O
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
Priority claimed from US336289A external-priority patent/US3877718A/en
Application filed by Twm Mfg Co Inc, Wdt Warren O filed Critical Twm Mfg Co Inc
Publication of IL42165A0 publication Critical patent/IL42165A0/en
Publication of IL42165A publication Critical patent/IL42165A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
    • B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
    • B60G11/46—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also fluid springs
    • B60G11/465—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also fluid springs with a flexible wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
    • B62D61/12—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with variable number of ground engaging wheels, e.g. with some wheels arranged higher than others, or with retractable wheels
    • B62D61/125—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with variable number of ground engaging wheels, e.g. with some wheels arranged higher than others, or with retractable wheels the retractable wheel being a part of a set of tandem wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/15—Fluid spring
    • B60G2202/152—Pneumatic spring
    • B60G2202/1524—Pneumatic spring with two air springs per wheel, arranged before and after the wheel axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/40—Variable track or wheelbase vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (18)

Appln. No. 42165/2 - j C LA I M S !
1. A lift-ctxle suspension system for a wheeled vehicle having a longitudinally extending frame member adjacent eac side of said vehicle, said system when mounted on said vehicle connecting a wheel-bearing axle to said frame members in a mannw to allow said axle to be alternative ly lowered and raised, thereby lowering said wheel into and raising said wheel from road engagement, the system 1 1 lly upwardly spring hanger means for et inin the leaf springs at their end portions; means for connecting the suspension system to said axle; longitudinally extending offsetting means mountable about the central portion of said offsetting is applied to the chambers they expand, forcing the wheel into engagement with the road surface and such that when the Appln.No. 4216¾ 2 the system being further characterized by said spring hanger means and said offsetting means being located in said system such that when the system is mounted on said vehicle, said leaf springs are located substantially directly under their respective longitudinally extending frame members.
2. The system of claim 1 wherein said system further includes a radius rod, which when said system is mounted on said vehicle, is located substantially directly under its respective longitudinally extending frame member.
3. The system of claim 1 wherein said leaf springs are semi-elliptic and vhorein for a respective semi-elliptic leaf spring, one spring hanger means is located forward and one aft of said offsetting means; and wherein said offsetting means is mounted below said axle and retains said leaf spring in underlying relation to said axle.
4. A lift-axle suspension system for a wheeled vehicle havin a longitudinally extending frame member adjacent each side of the vehicle, said system when mounted on said vehicle connecting a wheel-bearing axle to said frame members in a manner to allow said axle to be alternately lowered and raised thereby lowering said wheel into and raising said wheel from road engagement., the system comprising: two longitudinally extending normally upwardly biased leaf springe; spring hanger means for retaining the leaf springs at their end portion; means for connecting the suspension system to said Appln.No.42165/2 longitudinally extending offsetting means mountable at about its central portion to said axle by said axfce connecting means, said offsetting means retaining said leaf springs in taouutable relation to said axle; said offsetting means having ends forward and a t of said central portion which terminate in support means for the lower portion of a pneumatic system; said pneumatic WRxaa system comprising a vertically flexible pneumatic chamber extending betveen each of said support mea s and a respective frame member when the system i mounted on said vehicle such that when pneumatic pressure is applied to the chambers they expand, forcing the vheel into engagement with the road surface and such that when the pressure is released, the normal upward bias of the leaf springe lifts the wheel out of road engagement} the system being further characterized by said vertically flexible pneumatic chambers being located in a spread configuration when said system is mounted on said vehicle.
5. · The system of claim 4 wherein, said offsetting means are connected at about their central portion below and to said lift axle and retain said springs in underlying relation to said lift axle*
6. The system of claim 5 wherein said spring hanger means and said offsettin means are located in said system such that when said system is mounted on said vehicle, the leaf springs are located substantially directly under their respective longitudinally extending frame member* Appln.No.42165/2 - f
7. · The system of claim 6 wherein said s ste further includes a radius rod, which when said system is mounted on said vehicle, is located substantially directly under a respective longitudinally extending frame member.
8. The system of claim 6 wherein the center line of each chamber is spaced a distance not more than 20$ the width of the chamber inwardly from said center line of said frame member when the system is mounted on said vehicle.
9. · The system of claim 8 wherein said distance is not more than about 2 inches.
10. The system of claim 6 wherein said offsetting means comprises load arm means adapted to overlie the central portion of the leaf spring and underlie the axle, said load arm means including a substantially horizontal saddle portion within the confines of which said central portion of said leaf spring is retained, and an upwardly extending arm at either end of said load arm, at the top of each arm there being a platform upon which the lower portion of said chambers is supported*
11. The system of claim 6 wherein said leaf springe are semi-elliptic and wherein for a respective, semi-elliptic leaf spring one spring hanger means is located forward and one aft of said offsetting means.
12. In a wheeled vehicle having longitudinally extending frame members in side-by-side relation and each frame member being disposed adjacent a vespective side of. said vehicle, first and second axles underlying said frame members and extending transversely thereof, said axles being apt spaced from each other longitudinally of said vehicle and Appln. o.42l65/£ said firstvaxle provides a primary means of vehicle support and a lift-axle suspension system for raising and lowering said second axle so as to raise or lover said vheels mounted thereon out of or into contact with the travel surface of said vehicle, the improvement comprising as the lift-axle suspension system the system as defined in claim 1 wherein said' lift axle is mounted substantially perpendicularly to the longitudinal direction of the frame members, said offsetting means are connected at about said means central portion to said lift-axle by said axle connecting means, said springs being retained by said offsetting means so as to be mounted to said lift-axle, said system being mounted on said vehicle such that said leaf springs are located substantially directly under their respective longitudinally extending ame members and such that said vertically flexible pneumatic chambers extend between each of said support means and a Respective frame member such that when pneumatic pressure is applied to the chambers they expand, forcing the wheel into engagement with the road surface and such that when pressure is released, the normal upward bias of the leaf springs lifts the wheel out of road engagement*
13. The system of claim 12 wherein said system furthe includes a radius rod located substantially directly under its respective longitudinally extending frame member*
14. The system of claim 12 wherein said offsetting means are connected at about their central portion below ax to said lift axle and retain said springs in underlying relation to said lift axle* Appln.No. 42165/2
15. · In a wheeled vehicle having longitudinally extending frame members in side-by-side relation and each frame member being disposed adjacent a respective side of said vehicle-first and second axles underlying said frame members and extending transversely thereof, said axles being spaced from each other longitudinally of said vehicle and each mounting wheels along which the vehicle may travel, means connecting said first axle to said frame members whereby said first axle provides a primary means of vehicle support and a lift-axle suspension- system for raising and lowering said second axle so as to raise or lower said wheels mounted thereon out of or into contact with the travel surface of said vehicle, the improvement comprising as the lift-axle suspension system the system as defined in claim 4 wherein said lift axle is mounted substantially perpendicularly to the longitudinal directions of the frame members, said offsetting means are connected at about said means central portion to said lift-axle by said axle connecting means, said springs being retained by said offsetting means so as to be mounted to said lift-axle said system being mounted on said vehicle such that said vertical flexible pneumatic chambers ate in a spread configuration and such that said vertically flexible pneumatic chambers extend between each of said support means and a respective frame member such that when pneumatic pressure is applied to the chambers they expand, forcing the wheel into engagement with the road surface and such that when pressure is released, the normal upward bias of the leaf springs lifts the wheel out of road engagement. Appln.No.42165/2
16. The system of claim 15 vherein said leaf springs are located substantially directly under their respective longitudinally extending frame members.
17. · The system of claim 16 vherein the center line of each chamber is spaced a distance not more than about 2 inches inwardl from said center line of said frame member and vherein the center line of the leaf springs fall between the vertical planes of the horizontal extremities of their respective frame members*
18. The system of claim 16 vherein said offsetting means comprises a load arm means overlying the central portion of its respective leaf spring and underlying said lift-axle, said load ar means including a substantially horizontal saddle portion within the confines of which said central portion of said leaf spring is retained, and an upwardly extending arm at either end of said load arm, at the top of each arm there being a platform upon which the lover portion of said chambers is supported* Tel-Aviv, May 2, 1973
IL42165A 1972-07-20 1973-05-01 High strength auxiliary axle suspension system IL42165A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US27355272A 1972-07-20 1972-07-20
US29361772A 1972-09-29 1972-09-29
US336289A US3877718A (en) 1972-09-29 1973-02-27 High strength auxiliary axle suspension system

Publications (2)

Publication Number Publication Date
IL42165A0 IL42165A0 (en) 1973-07-30
IL42165A true IL42165A (en) 1976-09-30

Family

ID=27402585

Family Applications (1)

Application Number Title Priority Date Filing Date
IL42165A IL42165A (en) 1972-07-20 1973-05-01 High strength auxiliary axle suspension system

Country Status (11)

Country Link
JP (1) JPS4944422A (en)
AU (1) AU450209B2 (en)
BE (1) BE799927A (en)
CA (1) CA974265A (en)
CH (1) CH574829A5 (en)
DE (1) DE2327279A1 (en)
FR (1) FR2193721B1 (en)
GB (1) GB1443572A (en)
IL (1) IL42165A (en)
IT (1) IT985224B (en)
SE (1) SE420180B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU567664B2 (en) * 1981-06-10 1987-12-03 Menzies. D.E. Pneumatic suspension.
GB2157240A (en) * 1984-04-09 1985-10-23 Pattemores Transport Axle lifting device
JPH0513604Y2 (en) * 1985-01-16 1993-04-12
JPS61196105U (en) * 1985-05-29 1986-12-06
GB9222002D0 (en) * 1992-10-20 1992-12-02 Dowty Aerospace Gloucester A suspension arrangement
FR2703628B1 (en) * 1993-04-07 1995-07-07 Diebol Remy SUSPENSION MODULE FOR HEAVY-DUTY VEHICLES, ESPECIALLY FOR TRAILERS, SEMI-TRAILERS AND REAR-TRAINS.
US5464245A (en) * 1994-08-08 1995-11-07 The Boler Company Suspension for light duty trucks
JP3961114B2 (en) * 1998-05-07 2007-08-22 日本発条株式会社 Air suspension device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB901957A (en) * 1957-12-31 1962-07-25 Dunlop Rubber Co Vehicle suspension system
US3285621A (en) * 1965-01-12 1966-11-15 Jr Stephen Turner Wheeled vehicle suspension
US3448975A (en) * 1966-10-21 1969-06-10 Dura Corp Vehicle wheel suspension
GB1145419A (en) * 1967-03-07 1969-03-12 Daimler Benz Ag Improvements relating to axle suspensions for vehicles
US3617072A (en) * 1970-02-17 1971-11-02 Charles E Wern Jr Drop-axle suspension system

Also Published As

Publication number Publication date
BE799927A (en) 1973-09-17
GB1443572A (en) 1976-07-21
CH574829A5 (en) 1976-04-30
DE2327279A1 (en) 1974-02-14
FR2193721B1 (en) 1979-03-23
IL42165A0 (en) 1973-07-30
AU450209B2 (en) 1974-07-04
SE420180B (en) 1981-09-21
FR2193721A1 (en) 1974-02-22
JPS4944422A (en) 1974-04-26
CA974265A (en) 1975-09-09
AU5635773A (en) 1974-07-04
IT985224B (en) 1974-11-30

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