OPENTECHNICAL PUBLICATION OT-2026-000001377 Impact wrench Published: 2026-09-15T19:05:28.079638Z Permanent URL: https://opentechnical.org/p/OT-2026-000001377 Categories: Tools & Tooling > Clamping Tools ------------------------------------------------------------------------ ABSTRACT An impact wrench ( 1 ) with an upper handle assembly ( 2 ), a lower working assembly ( 3 ) and an intermediate connecting bar ( 4 ) connected between the handle assembly ( 2 ) and the working assembly ( 3 ) and comprising a tubular body ( 4 ′) with a first end portion ( 15 ) ( coupled with a first coupling seat ( 16 ) of the handle assembly ( 2 ) and a second end portion ( 17 ) coupled with a second coupling seat ( 18 ) of the working assembly ( 3 ), wherein the first end portion ( 15 ) and the first coupling seat ( 16 ) both have a non-circular or polygonal or rectangular or square cross-section, orthogonal to the longitudinal direction ( 14 ), so as to make an anti-rotation shape coupling with the interposition of a first damping assembly ( 24 ) forming a damping layer between the first end portion ( 15 ) and the first coupling seat ( 16 ). ------------------------------------------------------------------------ OpenTechnical publication OT-2026-000001377 Published 2026-09-15T19:05:28.079638Z https://opentechnical.org/p/OT-2026-000001377