Flexible seals for sliding blade dampers
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United States of America Patent
Stats
-
Jan 1, 1985
Grant Date -
N/A
app pub date -
Jul 8, 1983
filing date -
Jul 8, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sliding blade damper is provided with an improved seal arrangement around the blade withdrawal aperture. Two pairs of flexible sealing strips are used, mounted on either side of the aperture and pressing against the opposite sides of the blade. The unattached edges of the sealing strips are curled and bent away from the blade. The curled edges of one pair of strips hook the curled edges of the other pair, so that when the blade is inserted into the damper, the spreading apart of the first pair of strips serves to partially spread apart the second pair as well. In this manner the leading edge of the blade penetrates between the second pair of strips rather easily, lessening the chances that those strips will be bent or torn.
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Cited Art Landscape
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