US 12,257,875 B2
Void bushing for a vehicle suspension
Hae Seong Lee, Yongin-si (KR); Jae Hyun Cho, Incheon (KR); Sang Hoon Yoo, Asan-si (KR); and Dae Won Jang, Yongin-si (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 Jul. 26, 2022, as Appl. No. 17/873,901.
Claims priority of application No. 10-2021-0136839 (KR), filed on Oct. 14, 2021.
Prior Publication US 2023/0124438 A1, Apr. 20, 2023
Int. Cl. B60G 7/00 (2006.01); B60G 3/20 (2006.01); B60G 7/04 (2006.01)
CPC B60G 7/008 (2013.01) [B60G 3/20 (2013.01); B60G 7/04 (2013.01); B60G 2204/41 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A void bushing for a vehicle suspension, the void bushing comprising:
an inner pipe provided with a bulge part;
an outer pipe surrounding the inner pipe; and
an elastic body coupled to and filled in a space between the inner pipe and the outer pipe and formed with void portions therein,
wherein the bulge part is formed with protrusion parts protruding outwards thereon,
wherein the protrusion parts are located in oblique line directions between the void portions,
wherein, for a first reference line and a second reference line passing in left-right directions and front-rear directions through the center of the inner pipe, respectively, the void portions comprise two void portions and the two void portions are symmetrically formed in the left-right directions with the second reference line as a center, and
wherein each of the two void portions is symmetrically formed in up-down directions with the first reference line as a center.