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Patent Searching and Data


Title:
BALL-SHEET-SECURING STRUCTURE FOR BALL JOINT
Document Type and Number:
WIPO Patent Application WO/2020/085138
Kind Code:
A1
Abstract:
A ball joint (J1) has a ball stud (10) in which a metal ball part (10b) is integrally joined to one end part of a stud part (10s) of which another end is connected to a suspension or a stabilizer, a metal housing (21) having a space that swingably and rotatably supports the ball part (10b) and that is open on one side, and a resin ball sheet (22) interposed between the housing (21) and the ball part (10b). The ball part (10b) which is covered by the ball sheet (22), is enclosed within the housing (21). The present invention is configured such that an O ring (24) set so as to protrude past an open end part (21a) of the housing (21) is provided inside the open end part (21a) and above the ball sheet (22), and a corner of the border between the O ring (24) and the housing (21) is welded and secured by laser welding.

Inventors:
KURODA SHIGERU (JP)
NAGATA YUYA (JP)
Application Number:
PCT/JP2019/040406
Publication Date:
April 30, 2020
Filing Date:
October 15, 2019
Export Citation:
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Assignee:
NHK SPRING CO LTD (JP)
International Classes:
F16C11/06
Foreign References:
US9010783B22015-04-21
DE19756984A11999-07-08
DE102004040403A12006-03-09
US6488436B12002-12-03
US4559692A1985-12-24
US5564853A1996-10-15
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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