作者: Richard D. Strayer , Ronald D. Strayer
DOI:
关键词:
摘要: A telescoping seating system comprising a plurality of levels arranged in vertically stacked orientation, the bottom level and at least one upper level. The further comprises support structure having nose beam configured to portion, vertical element provided on surface beam, wherein is sized positioned so as minimize substantially direct contact with portion an adjacent during opening closing system, provide between event loading when closed position.