| 摘要 |
A foldable, box-beam-shaped vehicle flap is manoeuvred by a hydraulic cylinder 2, which is pivoted on the platform and whose piston rod is directly attached to the flap 1. According to the invention, locking means 4 are arranged to clamp the flap in the upright position, which consist of a pressure holding arrangement 4, which maintains the oil pressure of the hydraulic cylinder and thereby clamps the flap. <IMAGE> |
