Self-activating threshold door seal

Details Self-activating threshold door seal Self-activating threshold door seal

2006-04-18

2006-04-18

Cuomo, Peter M. (Department: 3636)

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

C160S040000, C049S303000, C049S304000, C052S211000, C052S656400

Reexamination Certificate

active

07028740

ABSTRACT:
An apparatus for providing a smoke barrier through a doorway comprising a door coupled to a doorframe and a threshold on the floor between the doorframe. A movable seal assembly is coupled to the threshold and a first seal is coupled to the doorframe for contacting a top and two sides of the door when the door is in the closed position. A bottom seal is coupled to the movable seal assembly for contacting a bottom of the door when the door is in the closed position.

REFERENCES:
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Wyatt, Mason, Leading Edge Solutions for Noise Control, http://www.noisecontrol.net/doorbottoms.htp, 4 pages, Noise Control by Mason Wyatt, New York, NY.

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