Static structures (e.g. – buildings) – Barrier or major section mounted for in situ repositioning;... – Roof movable as entity relative to its substructure
Patent
1989-11-24
1991-11-05
Chilcot, Jr., Richard E.
Static structures (e.g., buildings)
Barrier or major section mounted for in situ repositioning;...
Roof movable as entity relative to its substructure
52 82, E04B 1346
Patent
active
050622439
ABSTRACT:
In an openable roof capable of opening and closing a central space having a certain point, a stationary roof section is arranged in spaced relation to the certain point of the central space. The stationary roof section has an inner periphery which defines the central space. A movable roof section is arranged on the stationary roof section and is radially movable relatively thereto toward and away from the certain point of the central space. The movable roof section is divided into a plurality of movable roof units having their respective apexes which are substantially identical in central angle with each other. In a closed position where the central space is closed by the movable roof section, the apexes of the respective movable roof units are abutted against each other and the movable roof units cooperate with each other to close the central space. In an open position where the central space is open, the movable roof units are spaced from each other and are spaced from the certain point of the central space to open the latter. A drive unit is provided for drivingly moving the movable roof units between the open and closed positions.
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Engineering Digest "The Sky Dome Retractable Roof System", published Jun. 1989.
Popular Science, Oct. 1958, p. 131.
Chilcot Jr. Richard E.
Shimizu Construction Co. Ltd.
Smith Creighton
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