Retractable roof structure
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United States of America Patent
Stats
-
Mar 1, 1988
Grant Date -
N/A
app pub date -
Oct 22, 1986
filing date -
Apr 8, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A retractable roof structure includes a stationary section having an opening in the central portion thereof and fixedly installed on a side wall constructed on the ground, and a retractable section for covering the opening. The retractable section includes a plurality of movable roof units which correspond to regions defined by dividing radially from a center portion of the opening each of not less than two concentric areas of the opening. The roof units in an inner area are retractable over the roof units in radially adjacent outer area, and the roof units in the outermost area are retractable with the roof units of the inner area retracted thereon over the stationary section.
First Claim
Family
International Classification(s)
Cited Art Landscape
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