Title:
ボールジョイント
Document Type and Number:
Japanese Patent JP6735421
Kind Code:
B2
Abstract:
Provided is a ball joint capable of stably maintaining sealing performance over a long period even when a coupling member includes a gap. In the ball joint, a shaft portion 120 of a ball stud includes an annular concave portion 121 and an annular convex portion 122 that is disposed at a position above the annular concave portion 121 and below a coupling part between the shaft portion 120 and a knuckle 300, an inner peripheral surface side of a seal portion 430 of a dust cover is configured to be slidably in close contact with both of an outer peripheral surface of the annular concave portion 121 and an outer peripheral surface of the annular convex potion 122, an outer peripheral surface side of the seal portion 430 is provided with a clamping member 520 that clamps the seal portion 430 to the shaft portion 120, and a top surface 444 of the seal portion 430 facing the knuckle 300 is constituted by an inclined surface generated by the seal portion tapering down in diameter toward the knuckle 300.
Inventors:
Takata Hirota
Application Number:
JP2019543484A
Publication Date:
August 05, 2020
Filing Date:
August 20, 2018
Export Citation:
Assignee:
NOK CORPORATION
International Classes:
F16C11/06; F16J3/04; F16J15/52
Domestic Patent References:
| JP11223209A | ||||
| JP54134871U |
Foreign References:
| WO2011049012A1 | ||||
| US2271293 |
Attorney, Agent or Firm:
Hidewa Patent Office