Attachment for router
OwnerWarren Norlanderinventor
Life of this patent
Estimating the term…
Abstract
An attachment for power tool such as a router adapted to cut an end of circular cross-section onto a rectangular piece of wood suitable for use as a circular tenon in mortise and tenon construction, the attachment being formed from a block of solid material adapted to be attached to the power tool adjacent the cutting element thereof, said block of solid material having a recess therein with a solid pointed metal element such as a drill bit centered in said recession, attached to the bottom thereof and protruding therefrom to form a point upon which the wood to be cut can be rotated, there being a groove or cut-away portion in said block adjacent and extending into a side of said recession to receive the cutting element of the tool.
Claims3
An attachment for power tool such as a router adapted to enable said tool to cut an end of circular cross-section onto a rectangular piece of wood comprising,
- (a) a block of rigid material provided with means attachable to a power tool adjacent the cutting element thereof,
- (b) said block having a recess therein,
- (c) there being a thin solid metal element of circular cross-section centered in said recess and attached to the bottom thereof, said element protruding above the surface of said block to form a point upon which the wood to be cut can be rotated, there being a groove or cut-away portion in said block adjacent and extending into a side of said recess to receive the cutting element of the tool.
An attachment for an electric router adapted to enable cutting by said tool of an end of circular cross-section onto a circular piece of wood, comprising,
- (a) a metal block provided with a cylindrically shaped recess therein, said recess having a flat circular base portion normal to the axis of said recess,
- (b) said block being provided with means for attaching the same to the adjustable guide means on a router,
- (c) said block having a cut-away portion adapted to receive the cutting element of the router extending through the thickness thereof, the central axis of said cut-away portion being parallel to the axis of said recess, said recess and said cut-away portion being peripherally interconnected,
- (d) a thin elongated metal shaft attached to the base of said recess and extending along the axis thereof to a point above the surface of said block.
Dependencies are inferred from the claim text.