Storm curtain with counterbalance system and drive component protection
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United States of America Patent
Stats
-
Oct 21, 2008
Grant Date -
Dec 13, 2007
app pub date -
Jun 9, 2006
filing date -
Jun 9, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
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).
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