| 摘要 |
construction engineering; suspended ceilings. SUBSTANCE: device for joining, at least, one transverse section to main one in set of sections essentially meant for supporting suspended ceilings has crosswise flexible locking ledge projecting from end of transverse section and having cross- overhanging hook as well as connecting opening provided in main section and meant to receive locking ledge. Separate loose guides are installed at the end of transverse section to engage jointing opening, so as to ensure fixed relative position for transverse and main sections when they are jointed together. EFFECT: reduced force required for joining and separating sections. 13 cl, 4 dwg |
