Patent ID: 7179028

Claim:
A device for temporary fixation of a portable cutting machine to a template for making at least one of holes and recesses in a workpiece, comprising: a guide sleeve including: a tubular hub with an outer diameter corresponding to an inner diameter of an aperture in the template, said tubular hub including a forward end having radially extending lugs that are shaped and located so as to match corresponding recesses in said aperture during insertion of said guide sleeve therein and to obtain locking engagement with an inner surface of the template after a partial rotation of said guide sleeve relative to the template; and a tubular adapter socket connected to a rearward end of said tubular hub, said tubular adapter socket mounted to a nose portion of the cutting machine; and a tensioning unit mounted to said adapter socket for axial displacement relative thereto, said tensioning unit having a forward end surface for engagement with an outer surface of the template.