Bearings – Rotary bearing – Antifriction bearing
Reexamination Certificate
2006-12-26
2006-12-26
Hannon, Thomas R. (Department: 3682)
Bearings
Rotary bearing
Antifriction bearing
C384S489000, C384S544000
Reexamination Certificate
active
07153029
ABSTRACT:
Sealing device (1) for a wheel hub unit (2) which is connected to a differential (3) of a vehicle, and which is provided with a contact rolling bearing (9), the sealing device (1) being mounted in order to protect the bearing (9) from a lubricating fluid which is used to lubricate the differential (3), and presenting a first shield (22) which is integral with an outer race (10) of the bearing (9), a second shield (23) which is arranged inside the first shield (22) and which is integral with an inner race (11) of the bearing (9) and which counter-faces the first shield (22) itself, and a dynamic sealing element (24) which is interposed between the first and the second shield (23); a first static sealing element (51) being associated with a terminal border (37) of the shrink-fit portion (33a), and being arranged inside an external relief (60) in order to create a static seal with a box (5) which extends from the differential (3) to the unit (2).
REFERENCES:
patent: 1973837 (1934-09-01), Youngren
patent: 3519316 (1970-07-01), Gothberg
patent: 6323640 (2001-11-01), Forestiero et al.
patent: 2003/0002759 (2003-01-01), Yabe et al.
patent: 2004/0217551 (2004-11-01), Vignotto et al.
patent: 2005/0259901 (2005-11-01), Vignotto et al.
patent: 933630 (1963-08-01), None
patent: 1170815 (1969-11-01), None
Fea Alberto
Monetti Alfredo
Savarese Claudio
Vignotto Angelo
Aktiebolaget SKF
Hannon Thomas R.
Merchant & Gould P.C.
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