Patent ID: 7496999
Filing Date: 2009-03-03
Classification: B25B,F16K,Y10T

Abstract:
1. A tool for removing a damaged valve nut from a valve in an underground location comprising an elongated tube with a threaded rotatable shaft extending therethrough, said threaded shaft extending externally from one end of said elongated tube, a rotatable handle connected to said externally extended threaded shaft, an end structure fixedly connected to said threaded shaft at the opposite end of said shaft and said elongated tube, said end structure including a housing having an upper portion with a tool accommodation cavity and a lower portion with spaced opposing side walls forming a cavity therebetween for receiving a damaged valve nut, and a pair of spaced pivotable arms adjacent and operatively connected to said housing and passing between said side walls and into said cavity, each of said pivotable arms having a follower cam, a cam connected to said threaded shaft mainly within said upper portion of said housing and in cooperative engagement with said follower cams, said cam further being axially movable by rotation of said threaded shaft and wherein said pivotable arms being attached to said housing so as to move towards and away from each other by the axial movement of said cam thereby grasping said damaged valve nut and removing the nut from its underground location.