ROUTER ATTACHMENT

摘要

A router attachment to enable the controlled cutting of groove, shapes etc. and the accurate forming of joints such as mortice and tenon joints, the movement of the router being controlled by pairs of rotating plates and struts with four or more pivot points all being constrained to move as parallelograms and with a pattern mounted in the attachment offset to the workpiece that is followed by a guide pin connected to the router so that the router cuts a shape in the object being worked corresponding to that of the pattern.