Flexible arm of hollow profiled members - has pressurised inner hose locking inner coupling belts and members together

摘要

The flexible supporting arm comprises hollow profiled individual members. These are arranged in a row in their lengthwise direction, and are coupled together by two belts, ring against their inner surfaces at opposite sides. The belts and members are positively lockable together by a pressurised hose occupying the interior space. ADVANTAGE - High load capacity and easy adjustment when unpressurised.