Height adjustment device for handrail installed in bridge, has support arm with connecting plate having hook receptacles for receiving hooks of U-shaped portion of fastening unit which is fixable at different heights on handrail

摘要

The height adjustment device has a support arm (10) that is provided with a fastening unit (20) in lower end (12) which is fixable at different heights on handrail, and a holding unit (50) for holding a railing pipe (52) in upper end (14). The fastening unit is arranged with a rail post (22) encompassing a U-shaped portion (24) having hooks at the free ends of legs. The support arm is provided with a connecting plate having hook receptacles receiving the hooks of U-shaped portion.