SUPERPOSED REVOLUTION TYPE SHIFTABLE OPENING/CLOSING STRUCTURE

摘要

PURPOSE:To largely open a roof with a simple constitution by installing a guide member consisting of each pair in arcuate form of concentric circles and installing a roof element which is division-constituted in horizontally shifta ble manner between the pairs of guide members. CONSTITUTION:Lower structure bodies 1 and 2 are installed oppositely, and a plurality of guide members 3-1-3-3 and 4-1-4-3 forming pairs with the corre sponding two members are laid in arcuate form, having the axis P of concentric circles as center. Roof elements 5-1-5-3 which are division-constituted in a plural ity of fan shapes are arranged in horizontally shiftable manner, revolving along the guide members 3-1-3-3 and 4-1-4-3, between each pair 3-1 and 4-1, 3-2 and 4-2, 3-3 and 4-3 of the guide members. Further, the axis P of the concentric circles of the guide members 3-1-3-3 and 4-1-4-3 and the division center axis Q of the roof elements 5-1-5-3 may be installed at deflected positions.