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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-4917427-A, on 17 April 1990. 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-2026-000003460

Air-suction lifter

Published
Permanent URL
Classification
Lifting, Positioning & Manipulation › Hoists and Cranes
Inventors
SCAGLIA ENZO
Assignee
SCAGLIA ENZO
Original source
US-4917427-A, the United States Patent and Trademark Office, 17 April 1990
Document SHA-256
926d173f53c883fe238a5b86ca3c14a14a8c4af48515d5add72985da022bcdf4

An air suction, or vacuum, lifter for moving goods in non-rigid packaging such as sacks or the like; it consists of two air suction compartments, the smaller of which is contained within the larger one. Such chambers are open on the side which comes into contact with the package to be lifted and the lower edges of their side walls are equipped with an air-tight seal with the surface of said packages. Conduits and parts are provided for connecting, directly or indirectly, the air chambers with a source of vacuum and if necessary with each other.

Sheet 1
Sheet 1
Sheet 2
Sheet 2

Abstract

An air suction, or vacuum, lifter for moving goods in non-rigid packaging such as sacks or the like; it consists of two air suction compartments, the smaller of which is contained within the larger one. Such chambers are open on the side which comes into contact with the package to be lifted and the lower edges of their side walls are equipped with an air-tight seal with the surface of said packages. Conduits and parts are provided for connecting, directly or indirectly, the air chambers with a source of vacuum and if necessary with each other.

1. Drawings

[0001]Sheet 1.

[0002]Sheet 2.

Publication information

Plain textMarkdownManifestIntegrity record

Citation

OpenTechnical Publication OT-2026-000003460, “Air-suction lifter,” published September 15, 2026 at 20:30:28 UTC, https://opentechnical.org/p/OT-2026-000003460.

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