Title:
BALL JOINT
Document Type and Number:
WIPO Patent Application WO/2013/176008
Kind Code:
A1
Abstract:
Provided is a ball joint configured in such a manner that a dust cover is affixed to a socket by a retaining ring, wherein the fitting section where the dust cover and the socket are fitted to each other has improved waterproof properties.
A ball joint (100) is configured in such a manner that a dust cover (140) is fitted to the outer periphery of a socket (120) formed in a closed-end cylindrical shape. The socket (120) has a dust cover groove (125) having the socket fitting section (141) of the dust cover (140) fitted therein, and also has a dust cover receiving surface (126) for supporting the socket facing surface (143) of the dust cover (140). The dust cover receiving surface (126) is sloped toward the socket facing surface (143) from the outer side toward the inner side. A radial protrusion (142) is formed on the inner peripheral surface of the socket fitting section (141) of the dust cover (140). Also, an axial protrusion (145) protruding toward the dust cover receiving surface (126) is formed on the socket facing surface (143) of the dust cover (140).
Inventors:
MIZUTANI MASAYUKI (JP)
SOBUKAWA MASAKI (JP)
SOBUKAWA MASAKI (JP)
Application Number:
PCT/JP2013/063489
Publication Date:
November 28, 2013
Filing Date:
May 15, 2013
Export Citation:
Assignee:
ISHIKAWA TEKKO KK (JP)
International Classes:
F16C11/06
Foreign References:
| JPS5449443U | 1979-04-05 | |||
| JPH10331837A | 1998-12-15 | |||
| JPS4524726B | ||||
| JPS5355054U | 1978-05-11 | |||
| JPH0552443U | 1993-07-13 | |||
| JP2009293647A | 2009-12-17 |
Other References:
See also references of EP 2857702A4
Attorney, Agent or Firm:
ITO HIROYUKI (JP)
居藤 Hiroyuki (JP)
居藤 Hiroyuki (JP)
Download PDF: