Tool with anti-rollback flexible joint

Abstract

A tool includes a handle, a yoke coupled to the handle, and a head. The yoke includes a first arm and a second arm that define a receiving portion therebetween. A through hole is defined by the first arm and the second arm. A portion of the through hole defined by the second arm includes a first portion proximal to the receiving portion. The first portion has a first diameter and a first thread dimension. The portion of the through hole defined by the second arm also includes a second portion distal to the receiving portion. The second portion has a second diameter and a second thread size different from the first portion. The head defines a bore and is disposed within the receiving portion such that the bore is aligned with the through hole in the yoke.

Images