Abstract: An attachment for a carpenter's square, the attachment supporting a pencil for marking a straight line along a board, the attachment including a collar inside which the pencil is is adjustably secured, and a clamp integral with the collar for clipping around opposite straight edges of the square calibrated rule, an edge of the clamp aligning with the pencil point so that the clamp edge is used to measure along the scale calibrations.

Abstract: A workpiece layout tool for precisely but expeditiously marking a plurality of points to be machined along the workpiece. A slide housing has parallel internal longitudinal grooves which allow the insertion of a slide bar, allowing longitudinal movement of the slide bar in relation to said slide housing. The outside end of the slide housing has two lips which allow the slide housing to be engaged with the reference edge of the workpiece. The outer end of the slide bar has a tab on its underside which rests against the reference edge of the workpiece to maintain a fixed relationship between a plurality of spaced apart holes located along the longitudinal center line of the slide bar and the workpiece. The holes may be threaded to receive appropriate marking implements such as pencil tips, ink tips, or machined scribing tips. A multiplicity of interchangable slide bars with different hole spacing or patterns may be used according to the specific design requirements of the workpiece.

Abstract: A device for drawing parallel lines both in vertical and horizontal directions, and for drawing circumferences without a compass, includes two pieces, one of which is a set square and the other of which is a plate. Two adjacent edges of the plate are provided with markings, such as a millimetric scale, and groups of holes are distributed in relation to the markings of the indicated scale.

Abstract: Apparatus including jig means and associated scribing means for scribing a wall panel for insertion into a wall area bounded on one side thereof by an already mounted wall panel and on the other side by a wall corner. The jig means is preferably of overall S-shaped configuration and includes a pair of oppositely disposed open ended slots, one of which receives therein the proximal edge of the already mounted wall panel. The base portions or inner ends of the slots overlap so as to be disposed a predetermined distance apart from each other, such that the roughly sized wall panel to be scribed may be disposed in the other slot so that the panel to be mounted overlaps the already mounted wall panel a distance equal to said predetermined distance. The scribing means includes a reference line follower and a scriber spaced apart from each other said predetermined distance such that a trim line may be scribed said predetermined distance inwardly from the other end of the panel to be mounted.

Abstract: A router guide assembly adapted to be releasably or semipermanently attached to the work face of a router. The router guide assembly includes a circular base plate having a central aperture through which the cutting bit of the router extends. A pair of guide posts may be adjustably mounted to the base plate on each side of the cutting bit perpendicularly to the base plate and are laterally adjustable relative to the cutting bit. The guide posts may also be removed from the base plate so that the base plate can serve as the work face of the router.

Abstract: An instrument for making graphic designs on walls or ceilings, including an elongated member having a plurality of rigid sections joined together by a unitary, integral flexible portion, center-line apertures spaced along the longitudinal axis of each rigid section providing a pivot point and a plurality of marking points along the instrument, each section having paired edge apertures spacially located along respective, opposite longitudinal edges of each section, and a paint pad having a pair of upstanding lugs for detachably mounting the paint pad at a selected pair of edge apertures to selectively place painted arc segments or stripes on walls or ceilings. A guide member having rollers can be mounted to one end of the instrument to aid in placing vertical or horizontal stripes on walls or ceilings. For very large wall or ceiling surfaces a link member can be used to couple together two instruments.

Abstract: A device for marking opposite sides of a double-layer of materials for clothing or the like having a pair of tongs with an upper arm positioned between a transparent or translucent pattern and the upper layer of the material, and a lower arm positioned between the lower layer of the material and a work surface. A handle end of the tongs positions the opposing open ends of the tongs under the portion of the pattern being transposed onto the material. The top of the opposing open end of the upper arm of the tongs has an outer dot or point sharply contrasting with the surface of the outer end, and an inner marking substance or chalk secured precisely under the contrasting dot.

Abstract: An auxiliary device for laying flexible wall and floor coverings includes an elongated angle plate having a supporting surface for the material to be cut to size and a pressure strip having a lower pressure surface of approximately the same length as the supporting surface and which has a cross-sectional profile which is configured to complement the profile of the supporting surface. The supporting surface has at one end a wedge-shaped end portion, the outer edge of which defines a supporting edge, and a cutting edge defined at its opposite end, which edges lie in a base plane. The angle plate also includes a part having a locating edge disposed parallel to the cutting edge. The angle plate in cross-sections lies substantially within an imaginary triangle, with its cutting edge, supporting edge and locating edge passing through one corner of the triangle.

Abstract: A mat opening marking device is provided for laying out full line rectangular openings to be cut in picture frame mat material, and the like. A thin, transparent plate member on one side mounts a straight edge member which can be adjusted to various parallel positions to engage an outer edge of the mat material and on an opposite side mounts a marking device support member having a replaceable marking device whose marking point can be arranged to extend through any one of a series of arcuately arranged selected openings in the plate member to engage and mark the four sides of the mat surface opening along the four outer edges of the mat and at predetermined distances inward therefrom.

Abstract: An attachment for a power tool adapted to perform materials working or shaping operations by means of a rotatable working or shaping element thereof. The attachment has a base member adapted to be secured to the housing of the tool, adjacent the shaping element; at least one arm mounted on the base member and projecting therefrom; and a guide member mounted on the arm and movable relative to the base member to provide a variable guide which, in use of the attachment on a power tool, engages a surface of material to be worked or shaped and guides the shaping element of the tool in relation to that material.

Abstract: An improved arrangement by which a router may be accurately and inexpensively used to trim the edge of a laminate overlay flush with the edge of the underlying wooden member. It particularly comprises a guide fence having a relatively long straight edge interrupted centrally by a recess for the router bit, and provided with a rabbet into which the projecting edge of a rough trimmed laminate may project early in the edging process. The fence cooperates with a sub-base attachable to a router, and retains the versatility of the router for many usual applications.

Abstract: A laminate trimmer guide including a frame adapted to be hand held for greater precision and control in trimming and an alignment rod of sufficient length to provide vertical alignment of a rotary cutter of a laminate trimmer with the vertical surface of a structural member having a horizontal laminate overlap to be cut.

Abstract: A router for trimming laminate plastic having a unique method of adjusting the blade position. The blade is adjusted by a template unit rotatingly attached to the router housing undersurface thereby positioning the blade for proper trimming. Through movement of the router along an adjoining perpendicular surface, while utilizing the template unit to direct the trimming direction the laminate plastic material held in the router clearance space is trimmed.

Abstract: The method of the invention includes the steps of positioning a support member having a substantially vertically extending recording surface thereon in the doorway for which the door is being sized, recording the contour of each side door jamb of the doorway on the recording surface by transposing the contour with a tracer mechanism having a follower adapted to be advanced along each side door jamb and a marker for recording on the surface information corresponding to the contour of the side door jamb, placing the recorded information in a cutting apparatus having means for controlling a cutter device in correspondence with the recorded information so that the cutter device is advanced along each side of the door member to cut the sides of the door to match the contours of the associated side door jambs.