| 摘要 |
FIELD: construction. ^ SUBSTANCE: frame consists of several frame parts. Each part consists of two vertical stands fixed in foundation and two crossbars connected to upper ends of stands and to each other. At inner side of frame element formed by stands and crossbars there is an arched frame produced from braces. Between braces there are assemblies provided. Each crossbar consists of at least two separate parts. Areas of joint between parts of crossbars are arranged in area of arched frame braces that adjoin crossbars along the whole surface. Braces in units are connected to stands by means of power closure. ^ EFFECT: simplified handling and transportation of crossbars. ^ 31 cl, 12 dwg |
