Rocker arm assembly

Details Rocker arm assembly Rocker arm assembly

1992-05-29

1993-03-23

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9041, 74519, 74559, 384560, 384569, 384906, F01L 118

Patent

active

051954753

ABSTRACT:
A bearing support member, mountable about a support stud, has two support arms extending toward side walls of a rocker arm. A bearing cup is rigidly mounted on each respective side wall and extends over the respective arm of the bearing support member, providing an annulus. Rolling members within the annulus permit the rocker arm to freely oscillate rotatably while being constrained axially. The bearing cups may include a keyed shape to limit orientation of the bearing support member. Another aspect of the invention is a rocker arm subassembly having "open" bearing cups.

REFERENCES:
patent: Re33870 (1992-04-01), Fittro et al.
patent: 1786926 (1930-12-01), Wells
patent: 3251350 (1966-05-01), Thompson
patent: 3621823 (1971-11-01), Lombardi
patent: 4674453 (1987-06-01), Dove
patent: 4718379 (1988-01-01), Clark
patent: 4724802 (1988-02-01), Ishii
patent: 4944257 (1990-07-01), Mills
patent: 5063889 (1991-11-01), Pryba et al.
patent: 5074261 (1991-12-01), Hamburg et al.
patent: 5123384 (1992-06-01), Abbas

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