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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-2026070198-A1, on 12 March 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-2026-000001963

Extension/contraction device and wire tensioning device

Published
Permanent URL
Classification
Tools & Tooling › Clamping Tools
Inventors
KIMURA SHINGO, MIYAKO TAKASHI, SAIJO NAOKI
Assignee
NAGAKI SEIKI KK
Original source
US-2026070198-A1, the United States Patent and Trademark Office, 12 March 2026
Document SHA-256
4b3aa7d1577ecd15cd45f5b194ad3a2322ea1fbe05ff1f230b1df9148fdd051e

Abstract

An extension/contraction device that is used when tensioning a wire is provided. This extension/contraction device comprises an extension/contraction device body and a power unit. The extension/contraction device body has: an outside tubular part; an inside tubular part inserted into the outside tubular part from one axial end thereof; a moving part that has a threaded shaft that passes through the outside tubular part and the inside tubular part, and a nut that is fixed to the other axial end of the inside tubular part and is screwed onto the threaded shaft; and an operating part that rotates the threaded shaft about the center axis to move the nut along the threaded shaft. The power unit is detachably attached to the extension/contraction device body. An engagement part that engages with the operating part, and a motor for rotating the engagement part, are also provided.

Publication information

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Citation

OpenTechnical Publication OT-2026-000001963, “Extension/contraction device and wire tensioning device,” published September 15, 2026 at 19:09:47 UTC, https://opentechnical.org/p/OT-2026-000001963.

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Terms

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.