摘要 |
<p>The device (10) is assembled of a height adjustable vertical frame (12) and several movable horizontal rails (15, 16) attached to carriages (17). The rails (16) can additionally be moved along a gap underneath each of the carriages (17). Several padded suction elements (25, 41) each swivel mounted to the top of a suction duct (24) adjustable in height are fixed to carriages (21) also moving along the horizontal rails (16) and to be locked in the required position with swivel mounted levers (23).</p> |