SEAL FOR AN ADJUSTABLE THRESHOLD ASSEMBLY
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United States of America Patent
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Issued Date -
Oct 14, 2010
app pub date -
Apr 9, 2009
filing date -
Apr 9, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An adjustable threshold assembly for disposition below a door includes a sill, a rail spaced from the sill and configured to be vertically adjustable relative to the sill, and a seal disposed between the rail and the sill. The seal includes a first portion and a second portion each engaging one of the sill and the rail, respectively, and a flexible intermediate portion connecting the first and second portions. The seal includes a bulb extending from the first portion and contacting the second portion. The bulb includes a first end and a second end each extending from the first portion. The bulb encloses a cavity between the first and second ends such that the bulb resiliently collapses between the rail and the sill as the rail is vertically adjusted relative to the sill to maintain contact between the bulb and the second portion.
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