Locknut device for engine rocker arm adjustment

Details Locknut device for engine rocker arm adjustment Locknut device for engine rocker arm adjustment

1982-04-30

1984-04-03

Feinberg, Craig R.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9041, F01L 118

Patent

active

044401213

ABSTRACT:
A nut lock device for use in an engine valve train of the type wherein a rocker arm is pivotable about a fulcrum member to effect opening and closing movement of a spring biased poppet valve, the fulcrum member being supported on a support stud and retained thereon by a retainer nut threaded on the support stud, the improvement wherein the bearing surface of the retainer nut is inclined at an angle to a plane extending at right angles to the axis of the support stud and, wherein the nut reaction surface on the fulcrum member is inclined in a complementary manner to that of the retainer nut for mating engagement therewith whereby to define a cam lock preventing rotation of the retainer nut relative to the support stud during engine operation.

REFERENCES:
patent: 1832060 (1931-11-01), Strid
patent: 2562032 (1951-07-01), Gutensohn
patent: 3087525 (1963-04-01), Nyswaner et al.
patent: 3251350 (1966-05-01), Thompson
patent: 3880127 (1975-04-01), Abell, Jr.

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