CAM follower

Details CAM follower CAM follower

2008-05-06

2008-05-06

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090200, C123S090410, C123S090390, C123S090510, C029S888200, C029S895000, C029S895320, C074S569000, C384S625000

Reexamination Certificate

active

11723872

ABSTRACT:
There is provided a cam follower in which a surface roughness of an outer surface of a roller of a cam follower which is in rolling contact with a cam of an engine is obtained individually in an axial direction and a circumferential direction, a skewness Rsk of a profile is formed to be negative, a core roughness depth Rk is made to be 0.3 or less, a reduced valley depth Rvk is made to be 0.3 or less, and a ratio Rk/Rt of the Rk to a maximum height Rt of the profile is made to be 0.19 or more.

REFERENCES:
patent: 5361648 (1994-11-01), Murakami et al.
patent: 5997988 (1999-12-01), Sada
patent: 6460498 (2002-10-01), Harimoto et al.
patent: 2594339 (1996-12-01), None
patent: 2634496 (1997-04-01), None

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