Patent · US Expired

Modular proscenium theatre

US4512117A · kind A · utility

46Cited by
17References
26Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 6, 1982
Grant dateApr 23, 1985
Priority date
Expiry dateAug 6, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/61
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A modular proscenium theatre (20) is disclosed. Theatre (20) includes transverse truss beams (24) connected together by flat truss sections (26) supported on columns (22). Cantilevered members (28) support lights (30). A cross-over curtain (36) is hung from a traveler track (150). Side masking curtains (38) are adjustable longitudinally and rotatably. Other masking curtains and a cyclorama screen (40) may be provided. The framework, the lights and curtains are assembled near floor level and elevated with hoist motors (78) using pulleys (50) and cables (94). The entire theatre (20) may be assembled and disassembled with two people.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.