Abstract: This invention provides a novel attachment for a portable router that can perform the dual functions of serving as both a workpiece chip collector and an adjustable depth edge guide with respect to an edge of a workpiece that is aligned generally parallel to the rotational axis of the router bit.

Abstract: A unitary holder for a set of masonry drills, or twist drills generally, provides a main vertical plastic back plate upon the front of which are mounted in parallel open ended cylindrical loops of selected sizes for holding drills or other articles in parallel assembly with their shanks disposed in pockets in line with the loops. The pockets receive the shank ends of the drills and hold the drills with their cutting ends on a common level. The loops hold the intermediate parts of the drills. A transverse horizontal cover flange integral with the back plate extends across the plate at right angles thereto a short distance above the loops. An extension of the back plate above the horizontal flange holds all the drills separately--endwise and sidewise--with minimal play. The main sheet which forms the plastic back is flexible in the region between the flange and the upper edge of the row of loops.

Abstract: This invention provides a device for employing a motorized hand tool, such as a portable router and the like, to cut a spiralled groove in a workpiece, such as a leg for a table, chair, and the like. Basically, the device comprises: frame means including end block means rotatably journalling chuck means for holding the workpiece for rotation around an axis and guide means interconnected to the end block means for guiding the motorized hand tool for movement with respect thereto in a direction generally parallel to the axis; and drive means mounted on the frame means and being interconnectable between the motorized hand tool and the chuck means to cause movement of the motorized hand tool in a direction generally parallel to the axis in response to rotary movement of the workpiece around the axis.