Brake drum seal with dual elastomeric legs
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United States of America
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Jul 19, 1983
Grant Date -
N/A
app pub date -
Feb 23, 1981
filing date -
Jan 18, 1979
priority date (Note) -
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status (Latency Note)
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Abstract
A seal (16) is positioned to prevent entry of foreign matter through an annular opening (26) between first and second members (12,14). The first and second members (12,14) are, for example, a stationary backing plate (20) and a rotatable hub (22) of a brake assembly (24) or a rotatable shaft and associated housing element. Foreign matter passing between the backing plate (20) and the hub (22), for example, can enter an associated brake drum (30) and interfere with effectiveness of the brake assembly (24). Apparatus (72) connects the seal (16) to the backing plate (20). The seal (16) has first and second legs (38,40) each having a sealing surface (58,60). The sealing .[.surface.]. .Iadd.surfaces (58,60) .Iaddend.contact a face (68) and outer surface (66) of the hub (22), respectively, to substantially block passage of foreign matter to the brake drum (30).
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