Waterproof ball bearing device

Details Waterproof ball bearing device Waterproof ball bearing device

1984-07-27

1986-05-27

Jillions, John M.

Bearings

Rotary bearing

Antifriction bearing

277 56, F16C 1302, F16J 1516

Patent

active

045912785

ABSTRACT:
A waterproof ball bearing device comprises an inner ring, an outer ring arranged coaxially with the inner ring, a plurality of balls held between the inner and outer rings, rubber-sealing plates placed at both sides of the balls to cover openings formed between the inner and outer rings, wherein at least one of the rubber-sealing plates is provided with an annular projection in a cylindrical form extending from the outer surface along the center axis of the inner and outer rings.

REFERENCES:
patent: 1904258 (1933-04-01), Wistrand
patent: 2856208 (1958-10-01), Cobb
patent: 3627390 (1971-12-01), Irwin
patent: 4277114 (1981-07-01), Lindegger

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