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Patent Searching and Data


Title:
SEALING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/163557
Kind Code:
A1
Abstract:
Provided is a sealing device disposed in a rolling bearing provided with an inner member and an outer member which rotate relative to each other, the sealing device being positioned between the inner member and the outer member and sealing the gap between the inner member and the outer member. The inner member has a circular cylindrical portion and a flange which extends radially outward from the circular cylindrical portion. The sealing device is provided with: a mounting section mounted to the outer member of the rolling bearing; an inner annular portion extending radially inward from the mounting section; and a grease lip formed from an elastic material and extending from the inner annular portion toward the circular cylindrical portion of the inner member of the rolling bearing; and a side lip formed from an elastic material and extending from the inner annular portion toward the flange of the inner member of the rolling bearing. When the sealing device is mounted in the rolling bearing, the width of contact of the side lip with the flange is less than 0.041 mm.

Inventors:
SHUTO Yuichi (8 Aza Tsuzukibori, Nagaikawa, Fukushima-sh, Fukushima 93, 〒9601193, JP)
SASAKI Kei (8 Aza Tsuzukibori, Nagaikawa, Fukushima-sh, Fukushima 93, 〒9601193, JP)
Application Number:
JP2019/004576
Publication Date:
August 29, 2019
Filing Date:
February 08, 2019
Export Citation:
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Assignee:
NOK CORPORATION (12-15, Shiba Daimon 1-chome Minato-k, Tokyo 85, 〒1058585, JP)
International Classes:
F16C33/78; F16C19/18; F16J15/3232
Foreign References:
JP3991200B22007-10-17
JP2009115110A2009-05-28
Attorney, Agent or Firm:
KONISHI Kay et al. (2-21-8, Akasaka Minato-k, Tokyo 52, 〒1070052, JP)
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