Rocker arm

Details Rocker arm Rocker arm

2008-12-24

2011-10-18

Eshete, Zelalem (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C074S559000, C123S090430

Reexamination Certificate

active

08037856

ABSTRACT:
A rocker arm includes a pair of side wall portions formed so as to face each other, an engaging portion connecting the pair of side wall portions and adapted to engage with a rocking support member arranged in an engine, and a sliding portion connecting the pair of side wall portions and being adapted to be in slidable contact with a stem front end portion of an engine valve. The engaging portion includes a board surface portion connecting the pair of side wall portions and a protruding portion protruding from the board surface portion toward the rocking support member. In the protruding portion, a spherical concave portion adapted to engage with a spherical protruding portion of the rocking support member is formed as a depression.

REFERENCES:
patent: 5819694 (1998-10-01), Trutescu et al.
patent: 2003/0196629 (2003-10-01), Ammon et al.
patent: 1 233 150 (2002-08-01), None
patent: 1 375 830 (2004-01-01), None
patent: 2002-161717 (2002-06-01), None
patent: 2003-138914 (2003-05-01), None

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