Seal for a joint or juncture – Seal between relatively movable parts – Circumferential contact seal for other than piston
Reexamination Certificate
2005-12-13
2005-12-13
Peavey, Enoch E. (Department: 3676)
Seal for a joint or juncture
Seal between relatively movable parts
Circumferential contact seal for other than piston
C277S571000, C277S572000
Reexamination Certificate
active
06974136
ABSTRACT:
Sealing device (1) for a wheel hub group (2) connected to the differential (3) of a vehicle, and provided with a rolling bearing (9), the sealing device (1) being mounted in such a way as to protect the bearing (9) from a lubricating fluid for the lubrication of 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 faces the first shield (22) itself, and a dynamic sealing element (24) which is interposed between the first and second shields (22, 23); the second shield (23) being defined by a support portion (25) made of metallic material and force fit onto the inner race (11) and a cylindrical encoder (27) which is integral with the support portion (25), and the first shield (22) being made of metallic material lined with rubber material, and being provided with a loophole (38) which is suitable for being engaged by a reading sensor (39) for reading a signal generated by the encoder (27) itself.
REFERENCES:
patent: 5975767 (1999-11-01), Mizukoshi et al.
patent: 6170992 (2001-01-01), Angelo et al.
patent: 2003/0057651 (2003-03-01), Nantua et al.
Griseri Andrea
Monetti Alfredo
Savarese Claudio
Vignotto Angelo
Aktiebolaget SKF
Merchant & Gould P.C.
Peavey Enoch E.
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