US 12,188,515 B2
Ball joint, suspension arm comprising same, and manufacturing method thereof
Hyun Woo Kim, Gyeongju-si Gyeongsangbuk-do (KR); Sung Kook Park, Gyeongju-si Gyeongsangbuk-do (KR); Hyo Sang Hwang, Gyeongju-si Gyeongsangbuk-do (KR); Min Kook Park, Gyeongju-si Gyeongsangbuk-do (KR); Soon Chan Kwon, Gyeongju-si Gyeongsangbuk-do (KR); Seung Hyun Nam, Gyeongju-si Gyeongsangbuk-do (KR); Se Hwan Kim, Gyeongju-si Gyeongsangbuk-do (KR); and Mu Chang Kang, Gyeongju-si Gyeongsangbuk-do (KR)
Assigned to ILJIN CO., LTD., Gyeongju-si (KR)
Filed by ILJIN CO., LTD., Gyeongju-si Gyeongsangbuk-do (KR)
Filed on Dec. 24, 2020, as Appl. No. 17/133,701.
Application 17/133,701 is a continuation of application No. PCT/KR2019/007751, filed on Jun. 26, 2019.
Claims priority of application No. 10-2018-0073536 (KR), filed on Jun. 26, 2018.
Prior Publication US 2021/0114427 A1, Apr. 22, 2021
Int. Cl. F16C 11/06 (2006.01); B60G 7/00 (2006.01)
CPC F16C 11/0633 (2013.01) [B60G 7/005 (2013.01); F16C 11/0685 (2013.01); F16C 11/0695 (2013.01); B60G 2204/416 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A suspension arm comprising:
a ball stud including a spherical ball;
a bearing in which the spherical ball is accommodated;
a housing having an inner peripheral portion and an outer peripheral portion, the bearing being accommodated in the inner peripheral portion;
an arm body coupled to the outer peripheral portion of the housing; and
an insert molding part which is injected to a lower portion of the bearing and the outer peripheral portion of the housing to be coupled to the bearing, the housing, and the arm body,
wherein the housing comprises a matching portion formed to protrude in a radially outward direction from an upper portion of the outer peripheral portion,
an upper portion of the matching portion includes a matching surface formed to be perpendicular to an axial direction and configured to be brought into contact with a mold, and
a top surface of the insert molding part is in line with the matching surface.