Acoustics – Auditorium
Patent
1974-09-26
1976-02-03
Gonzales, John F.
Acoustics
Auditorium
181 33GB, E04B 182
Patent
active
039359239
ABSTRACT:
Inner and outer U-shaped enclosure segments are slidably mounted along tracks for movement with respect to one another in response to extension and retraction of an air cylinder. The enclosure is fabricated from sound insulating panels, with end walls being provided at the opposite ends of these tracks, and latching devices being provided for selectively securing the inner housing segment to one end wall and the other housing segment to the opposite end wall.
REFERENCES:
patent: 670404 (1901-03-01), Davis
patent: 3820627 (1974-06-01), Wirt
patent: 3860085 (1975-01-01), Gilbert et al.
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