Sealed ball bearing

Details Sealed ball bearing Sealed ball bearing

2007-05-15

2007-05-15

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C277S552000, C277S500000

Reexamination Certificate

active

10494450

ABSTRACT:
In a seal-type rolling bearing, between an inner ring and an outer ring, contact-type seal plates are respectively interposed on the counter-water-drenchable side and on the water-drenchable side. On the counter-water-drenchable side, a seal plate including, in the lip leading end portion thereof, an air hole for controlling the internal and external pressures of the bearing is disposed. On the water-drenchable side, a seal plate without air hole is disposed.

REFERENCES:
patent: 3869181 (1975-03-01), Barber
patent: 4505484 (1985-03-01), Ohkuma et al.
patent: 4533265 (1985-08-01), Woodbridge
patent: 4854749 (1989-08-01), Kohigashi et al.
patent: 5544963 (1996-08-01), Kajihara et al.
patent: 1035342 (2000-09-01), None
patent: 2001-289256 (2001-10-01), None
Microfilm of the specification and drawings annexed to the request of Japanese Utility Model Application No. 64616/1983 (Laid Open No. 168519/1984) (Mazda Motor Corp.), Nov. 12, 1984 (Full text).

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