Spindle Grinding Service, Inc. — Have Grinder, Will Travel .
The invention concerns a grinding spindle, comprising a spindle housing and two coaxial shafts which are driven by a drive motor. A concentric grinding disk is fixed to each of said shafts. The shafts can be moved in an axial direction in relation to each other with a lifting or lowering movement in order to engage one grinding disk or the other.Wm. Sopko & Sons, Co. is America's largest manufacturer of spindle accessories for the grinding industry. The recognized rebuilder of precision grinding spindles. Also a distributor of high quality power feed drilling and tapping equipment, flexible-shaft grinders, hand grinders, tool-post grinders, precision grinding, milling and drilling spindles, and industrial drive belts.