---
publication_id: "OT-2026-000001821"
title: "Hinged wrench"
published_at: "2026-09-15T19:08:52.408279Z"
canonical_url: "https://opentechnical.org/p/OT-2026-000001821"
categories:
  - "tools-tooling/clamping-tools"
keywords:
  - "b25b13/04"
  - "b25b13/28"
  - "b25b13/28"
  - "b25b13/04"
  - "b25b13/04"
  - "b25b13/04"
---

# Hinged wrench

## Abstract

There is disclosed a wrench, having a first body piece and a second body piece, wherein the first body piece and second body piece are of substantially identical construction, and wherein the second body piece is oriented 180° from the first body piece along a longitudinal axis, and wherein the first and second body pieces have respective head pieces that, when closed together, form a box-end wrench head, and wherein the first and second body pieces are joined at a pivot joint on the box-end wrench head.