Patent ID: 8726531
Filing Date: 2014-05-20
Classification: G01B

Abstract:
1. A chuck alignment tool for mounting on a chuck comprising; i. a body having a front surface and a back surface, a spherical pilot and a bore concentric with said spherical pilot, a plurality of stepped holes located around said bore and a plurality of threaded holes; ii. a laser having a cylindrical surface and first and second end, said first end emitting laser light located inside said bore with said first end pointed toward said front surface; iii. said spherical pilot located on said back surface of said body for engaging a chuck; iv. a plurality of shoulder screws located coaxially with said stepped holes for attaching to a chuck; v. a plurality of springs located coaxially with said shoulder screws and axially located in said stepped holes and the underside of said shoulder screw head for biasing said body against a chuck; vi. a plurality of set screws located in said threaded holes of said body for pushing against a chuck for adjusting the orientation of said body relative to a chuck.