Patent ID: 8702478
Filing Date: 2014-04-22
Classification: B24B,Y10T

Abstract:
1. A dust shroud for use with an angle grinder comprising: a shroud body having an upper surface and a skirt extending downwardly therefrom so as to generally enclose a grinding disk in the interior thereof, the upper surface having an opening formed in the center thereof for allowing the shaft of an angle grinder to pass therethrough, the shroud extending horizontally from a central axis; a vacuum port attached to the shroud body, the vacuum port being in fluid communication with the interior of the shroud body; an attachment collar extending upwardly from the shroud body and around said opening in said center of the shroud body, the collar having a plurality of generally vertical slots therethrough such that the collar comprises a plurality of separated generally vertical sections; and a plurality of joints attached between the base of the collar and the top of the shroud body, each joint corresponding to one of the vertical sections of the collar, each joint comprising a first section which extends upwardly from the top of the shroud body and a second section which extends downwardly and inwardly from a top of the first section towards the center of the shroud body, the second section being disposed at an angle of about 45 degrees from horizontal, wherein the first sections and the second sections of the plurality of joints are separated from adjacent joints by the generally vertical slots and wherein the plurality of joints allow the vertical sections of the collar to move radially inwardly and outwardly to vary the size of the collar; and wherein the attachment collar sections extend upwardly from a bottom of the second section of the plurality of joints to a position above the plurality of joints.