US 12,319,104 B2
Suspension having leaf spring
Sehyun Chang, Suwon-Si (KR); Youngil Sohn, Yongin-si (KR); Jun Ho Seong, Seoul (KR); Min Jun Kim, Busan (KR); and Sang Woo Hwang, Seoul (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Dec. 1, 2022, as Appl. No. 18/073,125.
Claims priority of application No. 10-2022-0082999 (KR), filed on Jul. 6, 2022.
Prior Publication US 2023/0391157 A1, Dec. 7, 2023
Int. Cl. B60G 17/015 (2006.01); B60G 11/113 (2006.01)
CPC B60G 17/0152 (2013.01) [B60G 11/113 (2013.01); B60G 2204/121 (2013.01); B60G 2204/43 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A suspension having a leaf spring, the suspension comprising:
a knuckle to which a wheel is coupled;
a fixed frame positioned on a vehicle body and coupled to the knuckle through a trailing arm;
the leaf spring having a first end portion coupled to the knuckle and having a second end portion having a variable support point; and
a support unit configured to vary the variable support point on the second end portion of the leaf spring,
wherein the support unit includes:
a spring support positioned to be brought into contact with the leaf spring; and
a spring driver coupled to the spring support and configured to apply driving force to change a position of the spring support,
wherein the spring driver moves the position of the spring support to change the variable support point on the leaf spring, and
wherein the trailing arm is rotatably connected to the fixed frame.