Guard device for a grinding wheel in a grinding machine

摘要

A guard device has a front cover member which is pivotably mounted upon the upper-front portion of a guard body for covering a rotatable grinding wheel of a grinding machine in co-operation therewith, and also includes a screw shaft and a nut member for adjusting the pivotal position of the front cover member depending upon the amount of wear of the grinding wheel. Coolant dishcarging means is operatively associated with the front cover member so as to be pivoted integrally therewith, rotation of the screw shaft thereby simultaneously bringing the front cover member and the coolant discharging means to a proper position relative to the grinding wheel.