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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-12606423-B2, on 21 April 2026. 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-2026-000000080

Top-loading tower crane systems and associated methods

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Classification
Lifting, Positioning & Manipulation › Hoists and Cranes
Original source
US-12606423-B2, the United States Patent and Trademark Office, 21 April 2026
Document SHA-256
1ee6eef3ff1fc5e1ba7e3747901bd5a288c27b358e9fd073b98b4647fcf4b17e

Abstract

A tower crane for performing a lifting a load includes an extendable tower assembly having a central axis and including a plurality of separate tower sections, a climbing assembly including a climbing frame positioned on the tower assembly and a latching assembly to transport the climbing assembly vertically along the tower assembly, and a boom assembly atop the tower assembly and including a crane floor, a boom supported on the crane floor, a lifting member coupled to the boom, and a slew bearing coupled to the crane floor and configured to permit the crane floor to rotate about a rotational axis, wherein the slew bearing includes a first bearing position and a second bearing position spaced from the first bearing position relative to the central axis of the tower assembly.

Publication information

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Citation

OpenTechnical Publication OT-2026-000000080, “Top-loading tower crane systems and associated methods,” published September 15, 2026 at 19:02:28 UTC, https://opentechnical.org/p/OT-2026-000000080.

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This record reproduces a document published elsewhere and is provided for reference and study. Rights in the original remain with its owner. See the publication policy.