发明名称 MOVABLE ACOUSTIC SHELL ASSEMBLY
摘要 A movable acoustic shell assembly comprises a ground-supported crane and an acoustic shell mounted on the ground-supported crane. The crane is configured to move in a self-propelled and self-directed manner between a storage position and an in-use position within a performing arts venue. When the crane is in the in-use position, the sound shell substantially encloses a rear portion of a stage within the performing arts venue.
申请公布号 US2009314574(A1) 申请公布日期 2009.12.24
申请号 US20080143440 申请日期 2008.06.20
申请人 HOLZMAN MALCOLM;NEVOLA DELIA;LUKANIC BRADLEY A 发明人 HOLZMAN MALCOLM;NEVOLA DELIA;LUKANIC BRADLEY A.
分类号 E04B1/99;B66C13/16;B66C13/40;B66C23/26 主分类号 E04B1/99
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