Title:
SEAL DEVICE
Document Type and Number:
Japanese Patent JP2014190515
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a seal device which can maintain the level of lubricant supplied into a seal space at a height required for lubrication of rolling bearings even when a seal member is assembled to a bearing case on an arbitrary circumferential direction position.SOLUTION: An annular groove part 12a is formed on a lateral surface of the side of a seal space S1 of an annular part 12 of an inner seal 10. The groove part 12a is covered with an annular part 27 of an inner side core grid 25. A through-hole 27a which communicates the groove part 12a with the seal space S1 is formed on a part in the circumferential direction of the annular part 27. A discharge port 15 for discharging lubricant in the seal space S1 to an external part of the seal space S1 through the through-hole 27a and the groove part 12a is formed corresponding to a bottom part of a part opposite to the through-hole 27a of the groove part 12a in the radial direction.
Inventors:
SUNAKAWA MASAHIDE
Application Number:
JP2013069292A
Publication Date:
October 06, 2014
Filing Date:
March 28, 2013
Export Citation:
Assignee:
KOYO SEALING TECHNO CO LTD
International Classes:
F16C33/66; F16C19/36; F16C23/08; F16C33/78; F16J15/3232; F16J15/3272; F16N7/38; F16N23/00; F16N31/00
Domestic Patent References:
| JP2003307275A | 2003-10-31 | |||
| JP2003254440A | 2003-09-10 | |||
| JPS5578821U | 1980-05-30 | |||
| JPS5763197U | 1982-04-15 | |||
| JP2007298161A | 2007-11-15 |
Attorney, Agent or Firm:
Patent business corporation Sun Crest international patent firm
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