| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for suspending a folding type expansion curtain in an upper frame so as to be capable of smoothly executing folding operation.SOLUTION: An arm 10 is rockably installed in joints 2b, 2b, etc. one by one for connecting panels 1,1, etc., and a tip of the arm is attached with a guide regulation member 3 of reaching up to an upper frame 4, and a suspension sheave 11 is installed in a neutral shaft upper part of the panel 1, and the suspension sheave 11 oppositely journals rollers 14 and 14 to both arms 13 and 13 of a U-shaped suspender 12, and the upper frame 4 is a long size material of a substantially I-shaped cross section, and travel pieces 18 and 18 extending to the outside are formed on the lower end of a central part 17, and clearances 20 and 20 are interposed between a surface of both rollers 14 and 14 and the central part 17.SELECTED DRAWING: Figure 3 |
