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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-2026061577-A1, on 5 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-2026-000002270

Labor-saving torque wrench

Published
Permanent URL
Classification
Tools & Tooling › Clamping Tools
Inventors
HUA LIANG, SHAO JUN, XUE LINWEI
Assignee
HANGZHOU RAYMAN TOOLS CO LTD
Original source
US-2026061577-A1, the United States Patent and Trademark Office, 5 March 2026
Document SHA-256
8d9f65ef9296c5ff04053804bc76cebbe7ea655c4acaebf46b80313dd308a9ad

Abstract

The present invention relates to a novel wrench, specifically, a labor-saving torque wrench, comprising a torque wrench body, wherein the torque wrench body comprises a ratchet wrench, a tube and a rotation bar, wherein the ratchet wrench is installed at an end of the tube, the rotation bar is installed at another end of the tube threadedly, a cavity for installing at least one torque spring is provided in the tube, a pressure pillar is slidably installed at an end of the tube away from the ratchet wrench, a torque adjusting wrench is fixed at an end portion of the rotation bar, a transmission steel ball is fixed at a center of an end of the torque adjusting bolt close to an end of the pressure pillar, and a positioning groove for snapping the transmission steel ball is provided at a surface of the pressure pillar, in the present invention, by designing the transmission steel ball and the pressure pillar to contact each other, the friction is small and it is less difficult to adjust the torque wrench.

Publication information

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Citation

OpenTechnical Publication OT-2026-000002270, “Labor-saving torque wrench,” published September 15, 2026 at 19:11:53 UTC, https://opentechnical.org/p/OT-2026-000002270.

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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.