Portable acoustical shell structure

Details Portable acoustical shell structure Portable acoustical shell structure

1994-11-23

1996-06-11

Dang, Khanh

Acoustics

Auditorium

160135, E04B 199, A47G 500

Patent

active

055257666

ABSTRACT:
A portable acoustical shell for the performing arts and the like, and which includes a plurality of generally quadrilateral, and preferably trapezoidal, sound reflecting panels arranged together as an assembly along adjacent long side edge margins in substantially abutting juxtaposed relation to form a forwardly open, arch-like configuration. The arch-like panel assembly is supported and held in place by a modular frame assembly formed from a plurality of pyramidal frame modules, each of which is associated with a respective one of the plurality of sound reflecting panels. The modular frame assembly further includes a number of cross members which connect the apexes of adjacent pyramidal frame modules to one another. In an alternate embodiment of the invention, the cross members are length-adjustable and thereby permit the arch-like curvature of the acoustical shell to be flattened or steepened as desired.

REFERENCES:
patent: 3180446 (1965-04-01), Wenger
patent: 3232370 (1966-02-01), Jaffe et al.
patent: 3630309 (1971-12-01), Wenger
patent: 3908787 (1975-09-01), Wenger et al.
patent: 5403979 (1995-04-01), Rogers et al.

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