Patent ID: 6470586
Filing Date: 2002-10-29
Classification: G01B

Abstract:
What is claimed is a device for use by a pipe fitter for positioning and generating cut geometry required for welded fabrication of pipe sections comprisinga one piece frame having a half circular diameter with a center point located midway on the line that defines the major diameter of said half circle diameter, a top surface, a bottom surface and an elongated rectangular blade extending from said one piece frame at a right angle to the major diameter of said half circle shape with the minor dimension of said rectangular blade being equal to the radius of said half circle one piece frame, said rectangular blade portion having two parallel edges with a straight edge provided for by at least one said parallel edge defining the longitudinal center line of said device and terminating at said center point of said major diameter of said half circle shaped one piece frame two elongated locating pins comprising a set; threadedly attached to threaded locating pin holes provided in said bottom surface of said one piece frame in the approximate area where said rectangular blade extends from said half circle shaped one piece frame with one said elongated locating pin situated on either side of said center line of said one piece frame substantially perpendicular to said straight edge a rotationally adjustable protractor bubble level assembly mounted to top surface of said half circle shaped one piece fame with said protractor bubble level assembly being provided for with a degree plate and said degree plate being provided with indicia for angular reference of said straight edge.