Patent ID: 6286223
Filing Date: 2001-09-11
Classification: G01B

Abstract:
An apparatus for measuring an outer diameter of a pipe end, comprising:a main arm;a lower gauge head support arm, a bearing roller arm, a presser roller arm and an upper gauge head support arm, each of which is projected at a right angle from said main arm; anda position-fixing bracket for positioning said presser roller arm;wherein said presser roller arm, said upper gauge bead support arm and said position-fixing bracket are slidable along said main arm and fixable at a predetermined position;said bearing roller arm includes a pair of first rollers and said presser roller arm includes a second pair of rollers, said first and second pair of rollers rotatably support said pipe;said upper gauge head support arm includes a first pair of gauge heads, one of which is movable toward said main arm and the other is movable toward said main arm or is fixable at a predetermined position; andsaid lower gauge head support arm includes a second pair of gauge heads, one of which is movable toward said main arm, and the other which is movable toward said main arm or is fixable at a predetermined position.