Vertical bearing assembly

Details Vertical bearing assembly Vertical bearing assembly

1981-09-14

1984-03-27

Levy, Stuart S.

Cutlery

308230, F16C 1949

Patent

active

044389884

ABSTRACT:
A low friction, vertical bearing assembly is provided having an upper vertical load-bearing shaft extending into a bearing housing containing two ball bearings, one ball bearing being oriented above and in contact with the other in the housing, the upper shaft having a lower, concave end resting upon the top of the upper ball bearing, the concave end being substantially of the contour of the ball bearing, the lower left ball bearing resting upon a lower, substantially vertical load-bearing shaft which has a concave upper end, the concave end being substantially of the contour of the lower ball bearing, and a plurality of needle bearings contained within the housing and oriented substantially vertically around the periphery of the ball bearings, whereby a bearing assembly is provided having extremely low rotational friction.

REFERENCES:
patent: 2063787 (1936-12-01), Brown
patent: 2229969 (1941-01-01), Goss
patent: 2606084 (1952-08-01), Larsen et al.
patent: 2919963 (1960-01-01), Mims
patent: 3731985 (1973-05-01), De Gaeta

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