CPC B65G 47/91 (2013.01) [B66C 1/0293 (2013.01)] | 8 Claims |
1. A vacuum lifting apparatus comprising:
a vacuum pump;
a valve arrangement;
a support structure; and
a flexible lifting tube comprising a suction foot, wherein the vacuum pump is connected to the valve arrangement and to the flexible lifting tube, wherein the valve arrangement is configured to extend and retract the flexible lifting tube, the valve arrangement is configured to separate from the suction foot, between the vacuum pump and the suction foot, wherein the suction foot comprises a movable valve plate configured to close against a seal during operation of the vacuum pump when no load is attached to the suction foot.
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