US 12,259,019 B2
Shock absorber
Seungjoon Lee, Seoul (KR); Kwangduk Baek, Yongin-si (KR); and Juyoung Hwang, Iksan-si (KR)
Assigned to HL MANDO CORPORATION, Pyeongtaek-si (KR)
Filed by HL MANDO CORPORATION, Pyeongtaek-si (KR)
Filed on May 25, 2022, as Appl. No. 17/824,344.
Claims priority of application No. 10-2021-0067058 (KR), filed on May 25, 2021.
Prior Publication US 2022/0381314 A1, Dec. 1, 2022
Int. Cl. F16F 9/18 (2006.01); B60G 13/08 (2006.01); F16F 9/34 (2006.01); F16F 9/348 (2006.01); F16F 9/36 (2006.01)
CPC F16F 9/18 (2013.01) [F16F 9/348 (2013.01); F16F 9/366 (2013.01); B60G 13/08 (2013.01); B60G 2202/24 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A shock absorber which is divided into a compression chamber and a rebound chamber by a piston valve in a tube having an interior filled with a fluid, the shock absorber comprising:
a first elastic member disposed in the compression chamber;
a second elastic member disposed in the compression chamber to be spaced apart from the first elastic member;
a mid-guide member disposed between the first elastic member and the second elastic member and movable along a longitudinal direction of the compression chamber; and
a second guide member disposed between the piston valve and the second elastic member,
wherein the second guide member comprises:
a second guide body having a second guide hole formed to pass through a center thereof;
a second guide groove concavely formed on one side of the second guide body to support the second elastic member; and
a plurality of second guide protrusions formed to protrude from the other side of the second guide body and spaced apart from each other toward the piston valve.