Adjustable run height lift axle suspension system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B62D-061/12
출원번호
US-0039051
(2005-01-20)
등록번호
US-8403346
(2013-03-26)
발명자
/ 주소
Chalin, Thomas N.
Dodd, Cully B.
Hudson, Herbert D.
출원인 / 주소
Watson & Chalin Manufacturring, Inc.
대리인 / 주소
Smith IP Services, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
29
초록▼
An adjustable run height lift axle suspension system includes an axle assembly, an air spring and a lift actuator. A device may be releasably attached to the axle assembly and connected to each of the air spring and the lift actuator, the device spacing the air spring away from the axle assembly. A
An adjustable run height lift axle suspension system includes an axle assembly, an air spring and a lift actuator. A device may be releasably attached to the axle assembly and connected to each of the air spring and the lift actuator, the device spacing the air spring away from the axle assembly. A selected one of multiple devices may be used, the suspension system having one run height when one device is releasably attached to the axle assembly and connected to each of the air spring and the lift actuator, and a different run height when another device is used. The air spring may have approximately the same operational height when the suspension system is at the different run heights.
대표청구항▼
1. An adjustable run height lift axle suspension system, comprising: an axle assembly;an air spring for suspending a vehicle frame above the axle assembly;a lift actuator operable to lift the axle assembly relative to the vehicle frame; anda run height adjustment device connected to both of the air
1. An adjustable run height lift axle suspension system, comprising: an axle assembly;an air spring for suspending a vehicle frame above the axle assembly;a lift actuator operable to lift the axle assembly relative to the vehicle frame; anda run height adjustment device connected to both of the air spring and the lift actuator and releasably attached to the axle assembly, the device spacing the air spring away from the axle assembly. 2. The suspension system of claim 1, further comprising multiple interchangeable ones of the device, and wherein a first one of the devices spaces the air spring away from the axle assembly a first distance, and a second one of the devices spaces the air spring away from the axle assembly a second distance different from the first distance. 3. The suspension system of claim 2, wherein the air spring has an approximate same operational height when the air spring is spaced away from the axle assembly the first and second distances by the respective first and second devices. 4. The suspension system of claim 1, wherein the lift actuator is pivotably connected to the device. 5. The suspension system of claim 1, wherein the lift actuator is interconnected between the device and a lower arm pivotably connected to the axle assembly, the lower arm being positioned laterally inward relative to an upper arm pivotably connected to the axle assembly. 6. The suspension system of claim 5, wherein a pivot connection between the lower arm and the axle assembly is formed at a bracket attached to the axle assembly, and wherein the device is releasably attached to the bracket. 7. An adjustable run height lift axle suspension system, comprising: an axle assembly;an air spring for suspending a vehicle frame above the axle assembly;a lift actuator operable to lift the axle assembly relative to the vehicle frame; andfirst and second interchangeable run height adjustment devices, the suspension system having a first run height when the first device is connected to each of the air spring and the lift actuator and releasably attached to the axle assembly, and the suspension system having a second run height different from the first run height when the second device is connected to each of the air spring and the lift actuator and releasably attached to the axle assembly. 8. The suspension system of claim 7, wherein a selected one of the first and second devices spaces the air spring away from the axle assembly. 9. The suspension system of claim 7, wherein the lift actuator is pivotably connected to a selected one of the first and second devices. 10. The suspension system of claim 7, wherein the lift actuator is interconnected between a selected one of the first and second devices and a lower arm pivotably connected to the axle assembly, the lower arm being positioned laterally inward relative to an upper arm pivotably connected to the axle assembly. 11. The suspension system of claim 10, wherein a pivot connection between the lower arm and the axle assembly is formed at a bracket attached to the axle assembly, and wherein a selected one of the first and second devices is releasably attached to the bracket. 12. The suspension system of claim 7, wherein the air spring has an approximate same operational height when the suspension system is at the first and second run heights. 13. An adjustable run height lift axle suspension system, comprising: an axle assembly;an air spring for suspending a vehicle frame above the axle assembly;a lift actuator operable to lift the axle assembly relative to the vehicle frame; andthe suspension system having interchangeable first and second run heights, the air spring having an approximate same operational height when the suspension system is at the first and second run heights. 14. The suspension system of claim 13, wherein the suspension system has the first run height when a first device is connected to each of the air spring and the lift actuator and releasably attached to the axle assembly, and wherein the suspension system has the second run height different from the first run height when the second device is connected to each of the air spring and the lift actuator and releasably attached to the axle assembly. 15. The suspension system of claim 14, wherein a selected one of the first and second devices spaces the air spring away from the axle assembly. 16. The suspension system of claim 14, wherein the lift actuator is pivotably connected to a selected one of the first and second devices. 17. The suspension system of claim 14, wherein the lift actuator is interconnected between a selected one of the first and second devices and a lower arm pivotably connected to the axle assembly, the lower arm being positioned laterally inward relative to an upper arm pivotably connected to the axle assembly. 18. The suspension system of claim 17, wherein a pivot connection between the lower arm and the axle assembly is formed at a bracket attached to the axle assembly, and wherein a selected one of the first and second devices is releasably attached to the bracket.
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이 특허에 인용된 특허 (29)
VanDenberg Ervin K., Center beam suspension system.
Gottschalk Michael J. (New Philadelpha OH) Keeler Michael J. (Canton OH), Parallelogram lift axle suspension system with a control for axle caster adjustment.
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