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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-5330314-A, on 19 July 1994. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000003341

Vacuum lifting/lowering head

Published
Permanent URL
Classification
Lifting, Positioning & Manipulation › Hoists and Cranes
Inventors
BENNISON STEWART
Assignee
PALAMATIC HANDLING SYST
Original source
US-5330314-A, the United States Patent and Trademark Office, 19 July 1994
Document SHA-256
86dccefbf8d453b27e9df6d71c292373de01259ba3705686c6a6be278047dd35

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.

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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.

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Publication information

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Citation

OpenTechnical Publication OT-2026-000003341, “Vacuum lifting/lowering head,” published September 15, 2026 at 20:12:41 UTC, https://opentechnical.org/p/OT-2026-000003341.

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