Bearings – Rotary bearing – Antifriction bearing
Reexamination Certificate
2005-07-26
2005-07-26
Hannon, Thomas R. (Department: 3682)
Bearings
Rotary bearing
Antifriction bearing
C384S472000
Reexamination Certificate
active
06921211
ABSTRACT:
An oil ring lubricated split bearing housing includes upper and lower bearing housing halves having mating seat surfaces for a bearing which is adapted to support a shaft, an oil reservoir space in the lower housing half, an oil pick up ring partly immersed in the oil reservoir space and rotatable to transfer oil from space to the bearing, an inner labyrinth sealing sleeve fixedly fitted around the shaft and having a circumferential axial groove facing away from the bearing, and an outer labyrinth sealing part with a portion projecting axially into the axial groove thereby forming a labyrinth seal. Both bearing housing halves have gable openings closely fitting around the sleeve. The outer labyrinth sealing part being in the form of a ring having an axially projecting portion entering in the axial groove and another portion retained in a radial, circumferential groove in the upper bearing housing half.
REFERENCES:
patent: 4619535 (1986-10-01), Haugwitz
patent: 4978236 (1990-12-01), Ostling
patent: 5494173 (1996-02-01), Deister et al.
patent: 5655845 (1997-08-01), Lampart
patent: 5833372 (1998-11-01), Nisley
Clasborn Kjell
Olsson Henrik
Stendahl Jörgen
Aktiebolaget SKF
Burns Doane , Swecker, Mathis LLP
Hannon Thomas R.
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