Title:
CAM FOLLOWER FOR ROCKER ARM, AND CAM FOLLOWER DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/021223
Kind Code:
A1
Abstract:
A cam follower for a rocker arm is provided with a circular cylindrical outer ring (11) having an outer peripheral surface making contact with a cam, a support shaft (6) for supporting the outer ring (11), rollers (12) arranged in an annular space between the support shaft (6) and the outer ring (11), and side plates (16) formed as circular ring-shaped discs, allowing the support shaft (6) to penetrate therethrough, facing end surfaces (15) of the rollers (12), and having an outer diameter (Ds) less than the inner diameter (Dr) of the outer ring (11). The side plates (16) are located at opposite ends of each of the rollers (12) and satisfy the relationship of Lr < Lk + 2t, where Lk is the length of each of the rollers (12) in the direction of the axis thereof, Lr is the length of the outer ring (11) in the direction of the axis thereof, and t is the thickness of each of the side plates (16).
Inventors:
KATAYAMA AKIHIKO (JP)
ABE KATSUFUMI (JP)
HASEGAWA HISATAKA (JP)
KURODA MASARU (JP)
ABE KATSUFUMI (JP)
HASEGAWA HISATAKA (JP)
KURODA MASARU (JP)
Application Number:
PCT/JP2009/063115
Publication Date:
February 25, 2010
Filing Date:
July 22, 2009
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
KATAYAMA AKIHIKO (JP)
ABE KATSUFUMI (JP)
HASEGAWA HISATAKA (JP)
KURODA MASARU (JP)
KATAYAMA AKIHIKO (JP)
ABE KATSUFUMI (JP)
HASEGAWA HISATAKA (JP)
KURODA MASARU (JP)
International Classes:
F01L1/18; F16H53/06; F16C33/66
Foreign References:
| JP2004308857A | 2004-11-04 | |||
| JPS6139875Y2 | 1986-11-14 | |||
| JP2527161Y2 | 1997-02-26 | |||
| JP2590701Y2 | 1999-02-17 | |||
| JP2006063860A | 2006-03-09 | |||
| JP2002235753A | 2002-08-23 |
Attorney, Agent or Firm:
ITOH, Hidehiko et al. (JP)
Hidehiko Ito (JP)
Hidehiko Ito (JP)
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