Annular Sealing Assembly, in Particular for Wheel Hubs
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United States of America Patent
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Issued Date -
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app pub date -
Apr 4, 2011
filing date -
Mar 20, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A sealing assembly (1a, 1b) including: a first annular shield (10) presenting a sleeve portion (11) and a flange portion (12) which extends radially from a first end (13) of the sleeve portion; and a sealing member (15) made of elastomeric material presenting an annular root portion (16) which extends radially and overhangingly from a peripheral edge (18) of the flange portion and a first axial annular sealing lip (20) in which the sealing member presents a second radial annular sealing lip (21), the lips (20, 21) axially and overhangingly extending from the opposite side of the first end of the sleeve portion, on a same side as a thinned end (23) of the root portion and being reciprocally spread to form a radial V-shaped section having vertex facing the root portion and axis parallel to the sleeve portion; the first lip presenting a radial seat (32) facing the opposite side of the second lip and accommodating a toroidal spring (33) applying an offset radial stress to an elastic hinge defined by the thinned end of the root portion, --the sealing lips may be coupled to a second and a third annular shields selectively arrangeable coaxial to the first shield (50,50') and having similar dimensions.
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