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Bolster spring suspension assembly

a suspension system and bolster spring technology, applied in the direction of springs/dampers, mechanical devices, transportation and packaging, etc., can solve the problems of not being able to easily add, not controlling the jounce or roll of the vehicle chassis in relation, and requiring substantial modification of the entire suspension system, so as to reduce jounce, provide a smooth ride, and reduce the effect of joun

Inactive Publication Date: 2008-02-07
E Z RIDE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

Enables a smoother ride and improved jounce control without the need for complete redesign of the suspension system, allowing for easy retrofitting or original installation, balancing ride smoothness and carrying capacity.

Problems solved by technology

However, in both of these disclosures the bolster spring is an integral part of the overall suspension system and can not be easily added to the system as an aftermarket item.
This, however, provided unsatisfactory results in that it did not control the jounce, or roll of the vehicle chassis in relation to the axle, as well as desired.
In addition, it required substantial modification of the entire suspension system.

Method used

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Examples

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Embodiment Construction

[0018] Referring now to the drawings, a vehicle as partially shown in FIGS. 1-4 includes a wheel 10 shown in broken line form for illustrative purposes mounted to an axle 12. The suspension system for the wheel includes a leaf spring 14 secured to a vehicle frame member 16 with a fixed mounting bracket 18 connected to one end of the leaf spring and a shackle 20 connected to the opposite end of the leaf spring and carried by a second mounting bracket 22 attached to the frame member. Axle 12 is secured to leaf spring 14 with a leaf spring support block 24 disposed between the leaf spring and the axle and a pair of U-bolts 26 on either side of the leaf spring fastened around the axle. The U-bolts 26 extend through the anchor plate 27 of a bolster spring suspension assembly 28 to secure the axle to the leaf spring 14. The opposite end 29 of suspension assembly 28 is secured to frame member 16 with bolts 44. End 29 of suspension assembly 28 is shown both laterally and vertically spaced f...

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PUM

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Abstract

A bolster spring assembly is adapted for securement to a vehicle having a primary suspension system for securing an axle to the vehicle. The bolster spring assembly is located and secured between the leaf spring over the axle and the undercarriage of the vehicle as a supplement to the primary suspension system.

Description

CROSS REFERENCE TO RELATED APPLICATIONS [0001] This Application is a continuation of U.S. patent application Ser. No. 10 / 726,318 filed Dec. 2, 2003 which claims the benefit of Provisional U.S. Patent Application No. 60 / 482,956 filed Jun. 27, 2003 by Howard E. Sellers.BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The invention relates to a suspension system assembly for use with a leaf spring suspension system. [0004] 2. Discussion of Prior Art [0005] In vehicle suspension systems, the use of leaf springs and bolster springs is well known. For example one such use of a bolster spring is described in U.S. Pat. No. 5,676,356 to Ekonen. Ekonen discloses a suspension system in which a leaf spring is carried by the undercarriage of the vehicle. A bolster spring is connected between each end of the leaf spring and the underlying end of the axles. [0006] Another example of a vehicle suspension system that utilizes both a leaf spring and a bolster spring is described in...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B60G5/00B60G9/00B60G11/40B60G11/42F16F1/50F16F15/04
CPCB60G9/00B60G11/40B60G2202/143B60G2200/30B60G2202/112B60G11/42
Inventor SELLERS, HOWARD E.
Owner E Z RIDE CORP
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