Girdle assembly for stud mounted rocker arms

Details Girdle assembly for stud mounted rocker arms Girdle assembly for stud mounted rocker arms

1984-09-10

1985-12-31

Cline, William R.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9054, F01L 122

Patent

active

045613923

ABSTRACT:
A girdle assembly for stud mounted rocker arms particularly adapted for use in racing engines wherein it is desired to unify the valve stud structure to prevent stud fatigue failure and adverse harmonics. The valve adjustment mechanism is provided by barrel nuts and locking studs. The barrel nut is externally threaded to accept a lower spherical seating nut on which the girdle rests in counter-bored spherical recesses which mates with the seating nuts. The bar is locked in place and the girdle assembly secured as a unitary structure by bearing washers and lock nuts engaging the upper surface of the bar and urging it into rigid contact with the seating nuts. After assembly and tightening, the girdle assembly need not be loosened or disassembled for valve adjustment, but, the latter can be carried out by adjusting the barrel nuts right through the girdle assembly while the latter is fully tightened.

REFERENCES:
patent: 4221199 (1980-09-01), Buuck et al.
patent: 4227494 (1980-10-01), Vitvlugt
patent: 4337738 (1982-07-01), Bubniak et al.
patent: 4411229 (1983-10-01), Curtis et al.

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