Improvements in and relating to Tools for Trueing Carborundum Wheels.

摘要

1910738. Hawkins, E. C. Jan. 11. Tools. - A hand-operated trueing - device, specially adapted to be used by dentists for sharpening, grinding, and cleaning carborundum polishing- wheels, comprises a handle 1 having a stem 2, which terminates in a rest 4, adapted to engage the spindle of a rotatable tool, and is provided with an arm 8 carrying a sharpening- element 10, which may consist of spring strips of sufficient width to grind a flat surface on the periphery of the polishing-wheel 12.