Patent ID: 7232280
Filing Date: 2007-06-19
Classification: B23Q,B28D,Y10T

Abstract:
1. A removable guide attachment for a rotary hand tool of the type which has an outer enclosure, a rotating collet rotating about an axis and a bit mounted in the collet for engaging a work surface, said attachment comprising: a housing configured to allow the bit to engage a work surface at the intersection of two perpendicular planes wherein said housing includes an opening for receiving the rotary hand tool and a base portion located in a plane which is at an acute angle relative to the rotating axis, said housing having side portions which form a V shape for contacting and being guided by said two perpendicular intersecting planes, said side portions merging with said base portion, the bit extending below said base portion to engage the work surface; an adapter configured for coupling to the rotary hand tool and wherein said opening is configured for receiving said adapter and said housing includes a locking mechanism for securing said adapter in a plurality of longitudinal positions relative to said housing; said housing having a viewing opening for viewing the bit engaging the work surface and said adapter includes an opening aligned with said viewing opening.