| 摘要 |
civil engineering, in particular, construction of gates. SUBSTANCE: courtyard gates have a leaf installed for movement from the vertical position to the upper horizontal one, has hinges swiveling in the vertical planes. The leaf consists of four parts and is made for opening in the horizontal plane by means of hinges swiveling in the horizontal planes. The gates are made with detachable joints in the central vertical axis. The gates may be provided with a drive for opening of them in the vertical position, they are remotely controlled. EFFECT: enhanced convenience in service. 2 cl, 6 dwg
|
