US 11,807,058 B2
Suspension and coil spring of the same
Tsuneo Yamaguchi, Nagakute (JP); and Hidenori Yoshioka, Toyota (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota Aichi-ken (JP); and SUBARU CORPORATION, Shibuya-ku Tokyo (JP)
Filed by Toyota Jidosha Kabushiki Kaisha, Toyota Aichi-ken (JP); and Subaru Corporation, Tokyo (JP)
Filed on Aug. 19, 2021, as Appl. No. 17/406,828.
Claims priority of application No. 2020-161376 (JP), filed on Sep. 25, 2020.
Prior Publication US 2022/0097469 A1, Mar. 31, 2022
Int. Cl. B60G 11/14 (2006.01)
CPC B60G 11/14 (2013.01) [B60G 2204/40 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A suspension for a vehicle having a vehicle body and an axle, the suspension comprising:
a coil spring being interposed between the vehicle body and the axle,
wherein:
an end turn portion on at least one end of the coil spring is covered by a coating configured of a viscoelastic material, the coating having a thickness of between 0.5 mm and 10 mm; and
the coil spring interposed between the vehicle body and the axle without arranging a spring seat formed of rubber between the vehicle body and the end turn portion.