Title:
密封装置
Document Type and Number:
Japanese Patent JP5765519
Kind Code:
B2
Abstract:
A sealing device that performs sealing by a throw off effect due to the rotation of a seal flange (22) of a rotating-side sealing element (2), wherein defects due to muddy water etc., which enters from a fitting section for the rotating-side sealing element (2) and a rotary member (102) to which the rotating-side sealing element (2) is attached, are prevented. The sealing device is thus provided with: a stationary-side sealing element (1) that is attached to a stationary member (101), and has a first lip (12) and a second lip (13); and the rotating-side sealing element (2), which has a sleeve (21) fitted to the rotary member (102) on the inner diameter side of the static member (101) and the seal flange (22) extending from the end of the sleeve (21) and in intimate slidable contact with the first lip (12). The second lip (13) is in intimate slidable contact with the rotary member (102), and the sleeve (21) is fitted to a cylindrical surface (102c) formed so as to be positioned on the rotary member (102) to the outer side from an intimate contact sliding section (S2) of the second lip (13) and on the inner diameter side.
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Inventors:
Naoto Kobayashi
Application Number:
JP2010253842A
Publication Date:
August 19, 2015
Filing Date:
November 12, 2010
Export Citation:
Assignee:
NOK CORPORATION
International Classes:
F16C33/78; F16C33/80; F16C41/00; F16J15/3232; F16J15/3256; F16J15/326
Domestic Patent References:
| JP2010002009A | ||||
| JP2007187319A | ||||
| JP9000014U | ||||
| JP2010133481A |
Attorney, Agent or Firm:
Yoichi Nomoto