Storm curtain with counterbalance system and drive component...

Details Storm curtain with counterbalance system and drive component... Storm curtain with counterbalance system and drive component...

2006-06-09

2008-10-21

Mitchell, Katherine W (Department: 3634)

Flexible or portable closure, partition, or panel

With hood, canopy, shield storage chamber, or outrigged...

For roll type

C160S271000

Reexamination Certificate

active

07438111

ABSTRACT:
A storm curtain assembly (10) includes a fabric curtain (11) which may be wound onto a roll (17) and stored within a canister housing (16) when not in use, and substantially unwound from the roll (17) to cover an opening in a building. When unwound, a lock bar (18) is engaged by the hooks (27) of the lock blocks (21) carried by the housing (16) and by lock tabs (22) carried by the housing (16). The lock tabs (22) extend through slots (28) formed in curtain (11) so as to be able to engage the lock bar (18). As such, the roll (17) and other drive or counterbalance components (15) carried in the housing (16) are protected from any forces on the curtain (11), such forces being absorbed by the housing (16).

REFERENCES:
patent: 1153015 (1915-09-01), Bauer
patent: 1952689 (1934-03-01), Selje
patent: 4282919 (1981-08-01), Teno
patent: 4398585 (1983-08-01), Marlow
patent: 4726149 (1988-02-01), Tryba
patent: 5465537 (1995-11-01), Fullwood
patent: 5794678 (1998-08-01), Beringer et al.
patent: 5924468 (1999-07-01), Bisconti
patent: 6296039 (2001-10-01), Mullet et al.
patent: 7082981 (2006-08-01), Perez, Jr.
patent: 2005/0211389 (2005-09-01), Snyder et al.
patent: 2007/0193697 (2007-08-01), Horvath

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