Invention Grant
- Patent Title: Sealing device and rolling bearing apparatus
- Patent Title (中): 密封装置和滚动轴承装置
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Application No.: US12311689Application Date: 2007-10-23
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Publication No.: US08226298B2Publication Date: 2012-07-24
- Inventor: Ryouhei Hosaka , Kunio Higuchi , Masahide Sunagawa
- Applicant: Ryouhei Hosaka , Kunio Higuchi , Masahide Sunagawa
- Applicant Address: JP Osaka-Shi, Osaka
- Assignee: JTEKT Corporation
- Current Assignee: JTEKT Corporation
- Current Assignee Address: JP Osaka-Shi, Osaka
- Agency: McGinn IP Law Group PLLC
- Priority: JP2006-288999 20061024
- International Application: PCT/JP2007/070637 WO 20071023
- International Announcement: WO2008/050759 WO 20080502
- Main IPC: F16C33/76
- IPC: F16C33/76
Abstract:
This sealing device has an annular metal core portion and an annular elastic portion. The elastic portion has a thick portion and a thin portion which extends from the thick portion in an axial direction of the elastic portion and has a thinner thickness in a radial direction than the thick portion. A fixed lip is provided on an inner peripheral surface of the thick portion, and a sliding lip is provided on an inner peripheral surface of the thin portion.
Public/Granted literature
- US20090257699A1 Sealing device and rolling bearing apparatus Public/Granted day:2009-10-15
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