| 摘要 |
849,467. Scaffolding. MANNESMANN LEICHTBAU G.m.b.H. Dec. 10, 1956 [Dec. 10, 1955], No. 37684/56. Class 20(2) Scaffolding 10 is mounted on a vertical rail 7 vertically adjustable in two guides 2 one above the other or the wall of a building 1. The guides 2 comprise brackets having two arms embracing the rail 7 and having roller guides or guides in the form of curved steel rods engaging the flanges of the rail 7. A modified fixture for a guide comprises a bracket having horizontal extensions bolted rounc a vertical girder of the building. A guide ma) be fixed to the top of a building. The girder 7 is locked to the guides b) bolts. |
