Title:
PRESSED CAGE, SELF-ALIGNING ROLLER BEARING, AND METHOD OF MANUFACTURING PRESSED CAGE
Document Type and Number:
WIPO Patent Application WO/2010/007979
Kind Code:
A1
Abstract:
A pressed cage for a self-aligning roller bearing, wherein a flange and roller guiding surfaces are simply and accurately formed on the cage. A pressed cage has formed thereon pillars (3, 3) extending between a large-diameter ring section (1) and a small-diameter ring section (2), pockets (4, 4) circumferentially separated from each other by the pillars (3), roller guiding surfaces (1a) capable of making sliding contact with end surfaces of revolving convex rollers (5), and a flange (6) formed by raising the large-diameter ring section (1) in the diameter direction. Each roller guiding surface (1a) is a cross-sectional surface of the inner periphery of a pocket (4) which cross-sectional surface is formed in the large-diameter ring section (1) by punching, and flange bend sections (r) of the flange (6) are formed on the entire circumferential periphery of the large-diameter ring section (1). The roller guiding surfaces (1a) can be obtained only by punching, which is an essential step, and this allows the flatness and bending angles of both front and rear surfaces of the flange (6) to be easily and uniformly obtained along the entire circumferential periphery of the flange (6).
More Like This:
Inventors:
UMEMOTO TAKEHIKO (JP)
TSUMORI YUKIHISA (JP)
MAEDA TAKESHI (JP)
SHIMIZU YASUHIRO (JP)
TSUMORI YUKIHISA (JP)
MAEDA TAKESHI (JP)
SHIMIZU YASUHIRO (JP)
Application Number:
PCT/JP2009/062715
Publication Date:
January 21, 2010
Filing Date:
July 14, 2009
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
UMEMOTO TAKEHIKO (JP)
TSUMORI YUKIHISA (JP)
MAEDA TAKESHI (JP)
SHIMIZU YASUHIRO (JP)
UMEMOTO TAKEHIKO (JP)
TSUMORI YUKIHISA (JP)
MAEDA TAKESHI (JP)
SHIMIZU YASUHIRO (JP)
International Classes:
F16C33/54; F16C23/08; F16C33/48
Domestic Patent References:
| WO2005093273A1 | 2005-10-06 |
Foreign References:
| JP2008057644A | 2008-03-13 | |||
| JPS54115436U | 1979-08-13 | |||
| JP2006194369A | 2006-07-27 | |||
| JP2000002247A | 2000-01-07 | |||
| JPH02180314A | 1990-07-13 | |||
| JP2007105884A | 2007-04-26 | |||
| JP2006022824A | 2006-01-26 | |||
| JP2002295482A | 2002-10-09 | |||
| JP2004293698A | 2004-10-21 | |||
| JP2009024711A | 2009-02-05 | |||
| JP2008121755A | 2008-05-29 | |||
| JP2006105323A | 2006-04-20 | |||
| JP2003206708A | 2003-07-25 |
Attorney, Agent or Firm:
KAMADA Bunji et al. (JP)
Bunji Kamata (JP)
Bunji Kamata (JP)
Download PDF: