OPENTECHNICAL PUBLICATION OT-2026-000003341 Vacuum lifting/lowering head Published: 2026-09-15T20:12:41.471920Z Permanent URL: https://opentechnical.org/p/OT-2026-000003341 Categories: Lifting, Positioning & Manipulation > Hoists and Cranes ------------------------------------------------------------------------ ABSTRACT A vacuum lifting/lowering head comprises a fixed, steadying upper handle adapted, in use, to be gripped by the user, and a movable, lower handle displaceable under the manual control of the user, both handles being suitable for either left or right hand manual operation. An opening is provided in a part of the head, and a valve member is associated with the opening to control the extent of exposure thereof and displaceable by the user's manual movement of the lower handle. The invention also includes a vacuum lifting apparatus provided with such a head. 1. Drawings [0001] Sheet 1. [0002] Sheet 2. [0003] Sheet 3. [0004] Sheet 4. ------------------------------------------------------------------------ OpenTechnical publication OT-2026-000003341 Published 2026-09-15T20:12:41.471920Z https://opentechnical.org/p/OT-2026-000003341