Boom device for camera crane, has elongated boom elements whose length in secondary position is set larger than length of elongated boom elements in primary position

摘要

The device has elongated boom elements (12,14) that are positioned adjacent to each other in a primary operating position. The elongated boom elements are assigned one behind another along the longitudinal direction in a secondary position. The length of elongated boom elements in secondary position is set larger than length of elongated boom elements in primary position. An independent claim is included for a camera crane.