Patent ID: 6427562
Filing Date: 2002-08-06
Classification: B25B

Abstract:
A chain wrench for turning a circular object about a center axis of the object comprising, a rectangular plate formed of a first pair of opposing longitudinal outer surfaces extending along parallel longitudinal paths and a second pair of opposing laterally extending outer surfaces extending along parallel lateral paths which are lateral to said first pair of longitudinal surfaces, said longitudinal and lateral surfaces having end portions connected together to form four corners of said plate where said end portions intersect;an elongated chain having remote ends and consecutive intermediate portions, said chain having one of its remote ends connected to said plate at one of said corners formed by one of said longitudinal and one of said lateral surfaces; said plate having a plurality of lugs formed on each of said longitudinal surfaces of said plate; said plate having a square opening for receiving a tool to be turned by the tool; wherein,said chain is receivable about an object and said plate is rotated by a tool such that the object is turned thereby.