Rocker arm assembly

Details Rocker arm assembly Rocker arm assembly

1997-12-02

1999-10-26

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 9041, F01M 910, F01L 118

Patent

active

059709324

ABSTRACT:
A panhead style rocker arm assembly (10) has a rocker arm (30) with a solid cylindrical section (32). A pushrod lever (34) extends perpendicular to a longitudinal axis of the solid cylindrical section (32) and is attached to a first end (36) of the solid cylindrical section (32). A valve lever (38) extends from a second end (40) of the solid cylindrical section (32). A bushing (26, 28, 44, 46) matingly fits around the solid cylindrical section (32). A pair of guides (12, 42) fit over the bushing (26, 28, 44, 46) and attach to a cylinder head.

REFERENCES:
patent: 4655177 (1987-04-01), Wells et al.
patent: 4718379 (1988-01-01), Clark
patent: 4741553 (1988-05-01), Raidel, II
patent: 4896635 (1990-01-01), Willermet et al.
patent: 5018487 (1991-05-01), Shinkai
patent: 5031584 (1991-07-01), Frost
patent: 5095861 (1992-03-01), Dove, Jr.
patent: 5123384 (1992-06-01), Abbas
patent: 5285756 (1994-02-01), Squires
patent: 5442914 (1995-08-01), Otsuka
patent: 5647319 (1997-07-01), Uehara et al.
patent: 5655499 (1997-08-01), Uehara et al.
Harley Davidson Specification Drawing for a panhead engine, p. 2.
Harley Davidson Specification Drawing for Rocker Arms, Cover and Pushrod Assembly, p. 8.

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