DRIVE SYSTEM FOR A FIRE PROTECTION FLAP
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United States of America Patent
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Issued Date -
Mar 4, 2010
app pub date -
Apr 2, 2008
filing date -
Apr 12, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a drive system (A) for a fire protection flap (8) arranged in a ventilation duct (9). Said drive system (A) comprises at least one drive element (1), an energy supply element (2) for supplying energy to the drive element (1) and a mechanical load-torque lock (3) for absorbing a torque acting on the fire protection flap (8). The drive element (1) is made essentially of plastic. A thermal protection element (4) is at least arranged on the side of the drive element (1) which faces the ventilation duct (9).
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