Grooved spherical bearing for vertical machines

Details Grooved spherical bearing for vertical machines Grooved spherical bearing for vertical machines

1975-11-05

1978-06-06

Bertsch, Richard A.

Cutlery

F16C 3206

Patent

active

040933202

ABSTRACT:
A bearing consisting of a pivot having a semi-spherical or hemi-spherical end portion formed with helical grooves and immersed in lubricating oil, and a cup bearing element also immersed in lubricating oil for supporting the pivot. A plurality of helical grooves disposed on the semi-pherical end portion are formed and arranged such that the lubricating oil is supplied under pressure to sliding surfaces of the pivot and the cup bearing element. An annular recess is formed on the intake side of the grooves.

REFERENCES:
patent: 3376083 (1968-04-01), Muijderman
patent: 3927921 (1975-12-01), Woolley
E. A. Muijderman "Spiral Groove Bearings", 1966, Philips Technical Library, pp. 116-122.

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