STRETCHABLE JOINT APPARATUS AND CEILING STRETCHABLE JOINT APPARATUS: Fid-Bau Portal

STRETCHABLE JOINT APPARATUS AND CEILING STRETCHABLE JOINT APPARATUS

KURODA TORU / TAKASHINA KOZO

PROBLEM TO BE SOLVED: To provide a stretchable joint apparatus in which, in a case where buildings are brought into a close state or separated state by an earthquake or the like, when a joint plate is displaced in response thereto, an opening part which cannot be covered by the joint plate may be reduced.SOLUTION: A stretchable joint apparatus comprises: a support bar 17 whose both end parts in a longitudinal direction are supported on each rail 13 in a slidable manner and which rotate in a following manner to relative displacement in a close direction or separating direction of opposing parts 11, 12; first stretchable link means 50 which rotatably supports the support bar 17 on a center between a pair of rails 13 and stretches in the close direction or separating direction of the opposing parts 11, 12; and second stretchable link means 51 whose both end parts are rotatably supported at the side of the opposing parts 11, 12, which rotatably supports a plurality of joint plate supporting members 24 with a predetermined interval in the close direction or separating direction of the opposing parts 11, 12, and displaces the plurality of joint plate supporting members 24 in a following manner to relative displacement accompanying closing or separation of the opposing parts 11, 12.SELECTED DRAWING: Figure 1

【課題】地震などによって建物が近接または離反した場合に、これに応じて目地プレートを変位させたとき、目地プレートで塞ぎきれない開口部を小さくすることができる伸縮継手装置を提供する。【解決手段】各レール１３に長手方向両端部がスライド移動自在に支持されるとともに、各対向部１１，１２の近接および離反する方向の相対的変位に追従して回動する支持バー１７と、一対のレール１３間の中央において支持バー１７を回動可能に支持し、各対向部１１，１２の近接および離反する方向に伸縮する第１伸縮リンク手段５０と、両端部が各対向部１１，１２側に回動可能に支持され、複数の目地プレート支持部材２４を各対向部１１，１２の近接および離反する方向に所定の間隔をもって回動可能に支持し、各対向部１１，１２の近接および離反に伴った相対的変位に追従して、複数の目地プレート支持部材２４を変位させる第２伸縮リンク手段５１と、を有する。【選択図】図１

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