OPENTECHNICAL PUBLICATION
OT-2026-000003348

Vacuum lifter

Published: 2026-09-15T20:13:56.856163Z
Permanent URL: https://opentechnical.org/p/OT-2026-000003348
Categories: Lifting, Positioning & Manipulation > Hoists and Cranes

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ABSTRACT

The invention concerns a vacuum lifter to transport loads with an adhesion
surface and comprises at least one suction head with at least one projecting
annular seal on its suction side, where the vacuum chamber(s) enclosed by the
annular seal(s) is (are) hooked up to a main vacuum source and where
additionally a battery-fed emergency vacuum source is provided which can be
started by an emergency switch. In order to avert as much as possible crashes
when using such a vacuum lifter, a pressure pickup (67) is associated with the
or at least one of the vacuum chambers (13) and is coupled in such a way with
a malfunction alarm (69) that when a preset limit pressure is exceeded during
vacuum operation, the malfunction alarm (69) shall be turned ON.

1. Drawings

[0001] Sheet 1.

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OpenTechnical publication OT-2026-000003348
Published 2026-09-15T20:13:56.856163Z
https://opentechnical.org/p/OT-2026-000003348