1980-12-22
1983-04-12
Skudy, R.
Cutlery
F16C 3906
Patent
active
043795986
ABSTRACT:
A bearing has an inner ring of magnetic material having an annular recess in its outer periphery for receiving a first annular permanent magnet ring, and an outer ring having an annular recess in its inner surface for receiving a second permanent magnet ring. The magnet rings are spaced to provide a gap therebetween. The permanent magnet rings are poled in the radial direction, with like poles facing one another. The magnet rings may have inclined surfaces, with greater diameters at one end than at the other, for axial loading, or they may extend straight in the axial direction. The magnet rings may be built up of segment shaped pieces, which may be stacked also in the radial direction.
REFERENCES:
patent: 3243238 (1966-03-01), Lyman
patent: 3378315 (1968-04-01), Webb
patent: 3428371 (1969-02-01), Lyman
patent: 3614181 (1971-10-01), Meeks
patent: 3741613 (1973-06-01), Pfaler
patent: 3958842 (1976-05-01), Telle
patent: 4285248 (1981-08-01), Noar
patent: 4320927 (1982-03-01), Sertich
North American Philips Corporation
Skudy R.
Treacy David R.
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