Rotation-insensitive spiral groove bearing

Details Rotation-insensitive spiral groove bearing Rotation-insensitive spiral groove bearing

1977-08-15

1979-02-27

Frankfort, Charles E.

Cutlery

308 98, 308108, 308121, 308122, 308168, F16C 3206

Patent

active

041416031

ABSTRACT:
A bearing having two parts which are rotatable relative to each other, and two facing bearing surfaces on the respective parts cooperating with each other. One or both surfaces are provided with three patterns of shallow, parallel lubricant pumping grooves, the two outer patterns having grooves which have a pumping effect in the same direction, and the inner pattern having grooves which have a pump effect in the opposite direction.

REFERENCES:
patent: 3238000 (1966-03-01), Muijderman et al.
patent: 3511546 (1970-05-01), Muijderman
patent: 3517973 (1970-06-01), Hirs
patent: 3602555 (1971-08-01), Hendler
patent: 4007974 (1977-02-01), Huber

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