US 9,440,100 B2Granted

Fire and/or smoke blocking device

AssigneeMcKeon Rolling Steel Door Co., Inc.

InventorAndrew C. Lambridis

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Abstract

A fire door assembly is provided for covering a structure opening in a sidewall of a structure. The fire door assembly has a roller assembly to be mounted to a portion of the structure defining a portion of the structure opening and a curtain panel disposed on the roller assembly. The curtain panel is operable between a retracted position where the curtain panel is wound onto the roller assembly and an extended position where the curtain panel is unwound from the roller assembly to cover the structure opening. The curtain panel includes first and second panel portions with mutually opposing edge portions in a closed position. A fastener is provided to releasably attach the first and second panel portions to each other. The first and second panel portions are separable from each other in response to an egress force exerted thereon to form an egress through the curtain panel. Upon relaxation or removal of the egress force, the panel portions return to the closed position to close the egress.

Claims27

Dependent claims

A labeled fire door assembly for covering a structure opening in a structure wall, the fire door assembly comprising:

a retracting assembly configured to be mounted to a portion of the structure defining the structure opening;
a curtain panel disposed on the retracting assembly and being movable between a retracted position where the structure opening is at least partially uncovered and an extended position where the curtain panel covers the structure opening, the curtain panel comprising:
a first panel portion having a first vertical edge portion and a first extended position in which the first vertical edge portion is substantially fixed when the curtain panel is in the extended position;
a second panel portion having a second vertical edge and a second extended position when the curtain panel is in the extended position, the first and second vertical edge portions being mutually opposing when the first and second panel portions are in the first and second extended positions, the edge portion of the second panel being moveable with respect to the first portion;
a resealable fastener arranged along the entire opposing first and second vertical edge portions of the first and second panel portions and configured to releasably attach the first panel portion and the second panel portion to each other along the entire mutually opposing vertical edge portions,
wherein:
the fastener is configured to at least partially release the first and second panel portions from each other at any point along the mutually opposing vertical edge portions and a portion of the second panel portion is movable from the second extended position to a third position folded away from at least part of the first vertical edge in response to an egress force exerted on the second panel portion to form an egress through the fire door assembly, and
upon relaxation or removal of the egress force, the second panel portion returns from the third folded away position to the second extended position under a force of gravity, and the fastener causes the first and second panel portions to reattach to each other along the first and second vertical edges, to prevent one of fire and smoke from passing through the fire door assembly, at least to a degree indicated by the label.

5 more elements

A fire door assembly variable between an extended position for covering a structure opening and a retracted position to reveal the structure opening, the fire door assembly comprising:

a retracting assembly configured to be mounted to a portion of the structure defining the structure opening;
a movable flap operably connected to the retracting assembly and covering at least a portion of the structure opening in a closed position, the moveable flap having a vertically arranged egress edge and a vertical fixed portion horizontally spaced from the vertically arranged egress edge;
a first fastener immovably mounted to the structure in the extended position, the first fastener extending along an entire length of the moveable flap in the extended position;
and
a second fastener fixed to the egress edge of the movable flap and operable to releasably attach to the first fastener to attach the flap to the structure in the closed position of the movable flap, the second fastener extending transversely to the retracting assembly in a direction of the extended position along the entire length of the moveable flap in the extended position;
wherein:
the first and second fasteners separate and the movable flap folds away from the closed position in response to an egress force at any point along the egress edge to form an egress through the fire door assembly,
the movable flap is operable to return to the closed position to close the egress upon removal or relaxation of the egress force, under a force of gravity, and
the first and second fasteners attach to each other when the moveable flap returns to the closed position.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application: 12/214,877Filed 23 Jun 2008 · us provisional application
Priority: 22 Jun 2007
Published: US 2009/0008039 A18 Jan 2009
Granted: 13 Sep 2016
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

A62C 2/10
Physical fire-barriers: fire-proof curtains
E06B 3/80
Door leaves: flexible
E06B 5/16
For protection against air-raid or other war-like action; for other protective purposes: fireproof doors or similar closures; Adaptations of fixed…
E06B 9/13
Roller shutters: with closing members of one piece, e.g. of corrugated sheet metal