{
  "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 ).",
  "assignees": [
    "CEMBRE SPA"
  ],
  "authors": [
    "BAREZZANI GUALTIERO",
    "BORONI DIEGO",
    "NICOLAI DAVIDE"
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  "published_at": "2026-09-15T19:05:28.079638Z",
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  "source_date": "2026-03-26",
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  "supersedes": null,
  "title": "Impact wrench",
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