Fatigue bushing assembly

Details Fatigue bushing assembly Fatigue bushing assembly

1975-03-31

1976-03-23

Wood, Jr., M. H.

Cutlery

308121, F16C 124

Patent

active

039456951

ABSTRACT:
A bushing for use in high strength materials where fatigue failure is a problem. The bushing is cylindrical and includes a circumferential lubrication groove on its inner surface while fillets and smooth transition surfaces are used to transition between the major cylindrical surfaces of the bushing and the housing. The bushing is pressed into the housing which is an interference fit therewith to reduce stress concentrations. Lubricant is provided to the circumferential lubrication groove by means of a passageway which may include a smooth wall annulus placed in a stepped hole in the housing and retained in the hole by a hollow screw which extends to the area of lubrication. A standard lubrication fitting is threaded into the annulus to provide means for connection to conventional lubricant supplying apparatus.

REFERENCES:
patent: 2543905 (1951-03-01), Firth
patent: 2853346 (1958-09-01), Spangenberg
patent: 3070408 (1962-12-01), Reuter

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