Device for Sealing and/or Protecting Construction Openings
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United States of America Patent
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N/A
Issued Date -
Aug 28, 2008
app pub date -
Jan 26, 2005
filing date -
Feb 19, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A device for the closure and/or protection of openings in structures has closure elements (10), which are arranged in such a way that they hang under running carriages (12) which can be made to move in a running rail (13). In the device according to the invention, each running carriage (12) has a bearing body (32) made of plastic, four running wheels (22) made of plastic, mounted on two parallel axes, and a sliding bearing (33) made of plastic and with good emergency running properties, assigned to each running wheel (22). This ensures that the closure elements (10) connected in a hinge-like manner are reliably folded together and unfolded.
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