US 11,920,650 B2
Composite spacer for leaf spring suspension
Anthony Berlingieri, Plymouth, MI (US); Aaron Johnson, Westland, MI (US); James N. Zeimet, Commerce Township, MI (US); Juan Jose Wong, Coahuila (MX); and Ramon Heberto Diego Guedea, Ann Arbor, MI (US)
Assigned to Rassini Suspensiones, S.A. de C.V., Del. Miguel Hidalgo (MX)
Appl. No. 17/760,974
Filed by Rassini Suspensiones, S.A. de C.V., Del. Miguel Hidalgo (MX)
PCT Filed Sep. 18, 2020, PCT No. PCT/IB2020/000759
§ 371(c)(1), (2) Date Mar. 16, 2022,
PCT Pub. No. WO2021/053395, PCT Pub. Date Mar. 25, 2021.
Claims priority of provisional application 62/902,126, filed on Sep. 18, 2019.
Prior Publication US 2022/0333660 A1, Oct. 20, 2022
Int. Cl. F16F 1/368 (2006.01); B60G 11/04 (2006.01); B60G 11/113 (2006.01); B60G 17/02 (2006.01)
CPC F16F 1/3683 (2013.01) [B60G 11/04 (2013.01); B60G 11/113 (2013.01); B60G 17/023 (2013.01); B60G 2204/121 (2013.01); B60G 2204/4502 (2013.01); B60G 2206/428 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A leaf spring vehicle suspension system comprising:
a chassis rail;
an axle;
a first stage leaf spring;
a second stage leaf spring;
a third stage leaf spring operatively coupled at a first end and a second end to the chassis rail, wherein the first stage leaf spring is located below the third stage leaf spring and the second stage leaf spring is located below the first stage leaf spring;
a spacer in abutment with at least one of the first stage leaf spring, the second stage leaf spring, and the third stage leaf spring, wherein the spacer is formed of at least one composite material; and
at least one compression limiter disposed within the spacer, wherein the compression limiter is a hollow component.