Foldable plan stand case
作者： John Rodeck
DOI:
关键词:
摘要: The case comprises two plan supporting sheet members, and a hinge pivotally connecting the members together, such that form substantially flat surface when are pivoted to be in line with one another an open position. Detachable legs for position also provided, stored by detached closed up.
lens.org 参考文章(8)
William F. Fuhri, Portable easel device ,(1980)
Americole R. Biasini, Retaining device for sheet music ,(1980)
Menk William, Combined portable case and collapsible seat ,(1928)
Rodeck John, PORTABLE TABLE FOR PLAN READING ,(1991)
Richard H. McKay, Geoffrey R. Ryan, Self-contained portable voting booth apparatus ,(1982)
Glen M Alford, Artist{40 s carrying case and easel ,(1970)
Fevre Frank B Le, Jr Edward C Hoyer, Portable cabinet and foldable stand therefor ,(1928)
Constance L. Bannister Hatcher, Adjustable reading material stand ,(1974)