Static structures (e.g. – buildings) – With stadium or auditorium feature – Movable stage
Patent
1989-02-27
1990-07-10
Murtagh, John E.
Static structures (e.g., buildings)
With stadium or auditorium feature
Movable stage
E04H 324
Patent
active
049398750
ABSTRACT:
A folding stage system comprises guide posts fixed to (i) a support wall structure, (ii) a stage, (iii) a proscenium wall having a central opening and fixed to the stage (iv) side link mechanisms connecting upper portions of opposed sides of the proscenium wall to outermost ones of the guide posts and (v) a central link mechanism connecting the top of the proscenium wall to the tops of the guide posts. The stage includes central stage components associated with central ones of the guide posts. Side guide posts may be provided between the central guide posts and the outermost guide posts, and side stage components may be associated with the respective side guide posts. Each central stage component is provided with mechanisms for folding the central stage component to a vertical position adjacent to the associated central guide post and unfolding it to a horizontal position on a floor. Also, each side link mechanism permits folding of the side link mechanism to a vertical position adjacent to the associated outermost guide post and unfolding it to a horizontal position above the floor. The upper portions of the opposed sides of the proscenium wall are connected to front end portions of the side link mechanisms. The proscenium wall is moved backward simultaneously when the stage components and the side link mechanisms are folded, and is moved forward simultaneously when they are unfolded.
Murtagh John E.
Philpitt Fred
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