Sound reflecting shell tower and transporter structure and metho

Details Sound reflecting shell tower and transporter structure and metho Sound reflecting shell tower and transporter structure and metho

1994-12-27

1996-06-25

Dang, Khanh

Acoustics

Auditorium

160135, E04B 199

Patent

active

055302114

ABSTRACT:
An orchestra shell tower and tower transporter system has a plurality of shell towers comprising an acoustic central panel hingedly connected along its side edges to acoustic wing panels. A generally horizontally rearwardly extending tripod-shaped open base is fixed to the lower end of the central panel and counterweights both the central panel and the wing panels. Vertically adjustable dependent legs with stage engaging members are provided on the tower. A tower transporter has a forwardly extending tripod-shaped open base supported on caster wheels and configured to be received within the base of each of the shell towers. Vertically movable lifters on the transporter base have receptors for engaging the legs of each of the tower shells in lifting relationship and actuatable motors are provided on the transporter for raising and lowering the lifters, and thereby the tower engaged by the transporter for supporting the tower in a raised position for travel. The wing panels are fully folded after the shell tower reaches a position for storage and, as the successive towers are brought to the storage position, they are successively nested one with the other. Locking mechanism holds the tower wing panels in folded positions and in the user positions in which they substantially facially align with the central panel.

REFERENCES:
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patent: 3007539 (1961-11-01), Brewers et al.
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patent: 4278145 (1981-07-01), Eade et al.
patent: 5069011 (1991-12-01), Jenne
patent: 5403979 (1995-04-01), Rogers et al.

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