Rolling contact bearing sealing device

Details Rolling contact bearing sealing device Rolling contact bearing sealing device

1996-07-22

1999-04-06

Marmor, Charles A.

Bearings

Rotary bearing

Plain bearing

384151, 384478, 384480, 384482, F16C 3374, F16C 3376, F16C 3380

Patent

active

058908129

ABSTRACT:
A rolling bearing sealing device comprises a first, truncated-cone surface (21) integral with the non-rotating race (11) of the bearing and diverging axially towards the outside of the bearing, and a second truncated-cone surface (23) parallel to the first surface (21). The second surface is integral with the rotating race (16) of the bearing. The first and second surfaces (21, 23) are spaced apart and facing each other so as to determine therebetween a gap (25) of truncated-cone shape having a length (L) and a width (w) such to resist water entering in a chamber (26) communicating with the outside when the bearing is at rest, and expel water centrifuging it out of said chamber as the bearing rotates.

REFERENCES:
patent: 1145516 (1915-07-01), Schmid-Roost
patent: 1978739 (1934-10-01), Brittain, Jr.
patent: 3510138 (1970-05-01), Bowen et al.
patent: 4272135 (1981-06-01), Hamblin et al.
patent: 4669895 (1987-06-01), Colanzi et al.
patent: 4808012 (1989-02-01), Otto
patent: 4848776 (1989-07-01), Winckler
patent: 5015001 (1991-05-01), Jay
patent: 5149207 (1992-09-01), Vignoito
patent: 5292199 (1994-03-01), Hosbach et al.
patent: 5487611 (1996-01-01), Dreschmann et al.

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