Importance

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Abstract

An apparatus for use in cutting a mortice pocket in a leading edge of a door in-situ, the apparatus comprising: at least one elongate guide means; clamping means for clamping the elongate guide means to a door or other workpiece; a drill guide means mounted on the elongate guide means; and translating means; wherein the drill guide means comprises a bearing block and a saddle member, the saddle member having a bearing block aperture formed therethrough arranged to releasably receive the bearing block therein, the bearing block having a hole therethrough adapted snugly to receive a drill shaft such that the drill shaft is supported, directly or indirectly, by the bearings of the bearing block and is rotatable therein, and wherein at least one of the bearing block aperture and the bearing block is tapered.

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First Claim