Abstract: A routing jig for enabling location of router guides prior to routing a feature into a workpiece includes a transparent or semi-transparent base component having longitudinal sides, a lower surface and an upper surface. The routing jig also includes retaining structure such as side bars and screws. The base component and the retaining structure together define a nominal width of the routing jig in a transverse direction. A plurality of shims are selectively and removably securable to the longitudinal sides of the base component by the retaining structure, thereby to increase the nominal width of the routing jig.

Abstract: A system for mounting a lock for a door that must have at least one hole to accommodate the lock includes a panel, a pin connected to the panel, and at least one template hole, respectively, for each of the at least one hole, respectively, in the panel positioned relative to the pin and in location required for marking the at least one hole. pin extends substantially perpendicular from a face of the panel and has cross-section of shape of a cylinder cutout of the door. The panel is generally rectangular in shape and has a planar surface on which is connected the pin.

Abstract: A tool or hinge positioning jig for creating hinge mortises including a hinge jaw having an hinge jaw first portion opposite and substantially parallel to an hinge jaw second portion, and an exterior first surface facing opposite an exterior second surface wherein at least one of the exterior first surface or the exterior second surface is laterally adjustably coupled to the hinge jaw, and wherein the hinge jaw first portion and hinge jaw second portion are capable of being aligned with first and second hinge edges, respectively, and the exterior first surface and exterior second surface are capable of being aligned with first and second workpiece edges, respectively.

Abstract: A wall plate bracket includes integral straight edges used to quickly, easily and precisely define an area on a wall where a wall opening for the bracket is to be cut. The integral straight edges are formed along a top or bottom edge and a side edge of a generally rectangular front face plate of the bracket. The front face plate is held against a wall, and an L-shaped line is drawn along the straight edges. The bracket is then rotated 180 degrees and the ends of the straight edges are aligned at the ends of the previously drawn line. Another L-shaped line is then made or drawn along the straight edges, resulting in the two drawn L-shaped lines together forming a proper rectangle defining the wall opening to be cut.

Abstract: A perpendicularity verification device is provided for verifying perpendicularity of a concrete test specimen in a testing machine. The device comprises a unitary planar sheet. The sheet has an elongate vertical straight side edge and a horizontal straight bottom edge. The side and bottom edges are perpendicular to one another. A corner notch is provided between the side and bottom edges. In use, the bottom edge rests on a platen of the testing machine so that the notch circumvents a retaining cup of the testing machine and the vertical edge rests against the test specimen.

Abstract: A motorized tool for scrubbing, buffing, and polishing. The tool has a motor within a housing powered by an electrical power supply to move a base member. Surface treatment material is selectively retained by the base member, potentially by a latching system, a sleeved surface treatment system, or hook and loop material. A water-resistant battery pack can be selectively engaged with the housing, such as through a mating engagement between a tubular projection from the battery pack in combination with an annular socket in the housing, in a substantially watertight manner to provide electrical power. A liquid retaining volume can be disposed within the motorized tool, such as partially within a handle and partially contiguous with a motor compartment of the housing, for retaining a volume of liquid. Liquid can be selectively emitted into or through a surface treatment pad through an exhaust tube.

Abstract: A method and apparatus for marking positions for installing door lock elements of a door, the door attached to a frame having a header including comprising the steps of providing a positioning member, at least partially opening the door; attaching the positioning member to the door, while the door is closed causing the positioning member to attach to the door frame; and opening the door and removing the positioning member from the door; and using the at least one mark to install a strike plate, deadbolt receiving plate, and/or electric strike.

Abstract: A wall plate bracket includes integral straight edges used to quickly, easily and precisely define an area on a wall where a wall opening for the bracket is to be cut. The integral straight edges are formed along a top or bottom edge and a side edge of a generally rectangular front face plate of the bracket. The front face plate is held against a wall, and an L-shaped line is drawn along the straight edges. The bracket is then rotated 180 degrees and the ends of the straight edges are aligned at the ends of the previously drawn line. Another L-shaped line is then made or drawn along the straight edges, resulting in the two drawn L-shaped lines together forming a proper rectangle defining the wall opening to be cut.

Abstract: An access control device including an electromagnetic lock module for selectively locking and unlocking a door in a door frame is provided. The access control device provides a lower profiled electromagnetic lock module to improve the aesthetics and functionality of the module, supports and integrates modern accessories such as CCTV, CCD cameras, passive motion detection with automatic background correction, digital notification display, automatic source voltage selection, door and lock status indicators, and ease of installation. The present invention further provides components and circuitry to enable connection of the electromagnetic control module to 12 or 24 volts DC or to an unfiltered rectified AC power supply.

Abstract: A guidewire insertion tool includes a sidewall defining a passageway having a first open end and a second open end and a neck therebetween. The passageway tapers from the first and second open ends to the neck. The sidewall has a slit extending longitudinally along the sidewall. A tab is adjacent one of the first or second open ends for removing the tool from a guidewire through the slit.

Abstract: A door leveling apparatus is configured for assisting in the cutting of a lower edge of a door to match a base angle of a base of a door frame. In the exemplary embodiment, a housing is removably engagable with a hinge of each of the door and door frame and provides a pivotally engaged leveling arm configured for selectively pivoting away from the housing toward the base of the door frame. A laser assembly is pivotally engaged with a distal end of the leveling arm and comprises a laser housing capable of selectively emitting a laser beam and an angle adjustment knob configured for selectively retaining the laser housing at a desired laser angle that matches the base angle. The apparatus may then be removably engaged with the hinge of the door so that the laser beam may project the line on which the door is to be cut.

Abstract: A door lock locator configured to attach to a door having a latch edge and to locate the door lock in relation to a strike plate. The door lock locator includes an edge wall having an edge hole locator, a first wall extending from the edge wall and including a bore hole locator, a second wall extending from the edge wall and cooperating with the first wall to attach the door lock locator to the door. The door lock locator also includes a strike plate locator coupled to one of the edge wall, the first wall, and the second wall. The strike plate locator has a protrusion that selectively engages the strike plate to locate the edge hole locator and the bore hole locator.

Abstract: A lock template includes an elongated body member that defines a substantially rectangular first opening having a first length and a first width and an elongated first member. The elongated first member is configured to be removably-inserted into first end recesses of the body such that the first member is located at least partially within the first opening. The first member, when inserted in the first end recesses of the body, defines a wall of a second opening having a length substantially equal to the first length and a width smaller than the first width. The second opening is configured to guide a cutting instrument to form a mortise for a lock component in a passageway component. When the first member is inserted into the first end recesses a longitudinal central axis of the first insert member is offset from a central axis between the first end recesses of the body.

Abstract: A frame jamb marker includes a sliding panel for sliding on the side surface of the frame and a guiding panel perpendicularly extended from the sliding panel for sliding on the marking surface of the frame, wherein the guiding panel has a top stepping edge and a bottom stepping edge to define a top marking point and a bottom marking point at stepping corners at the top and bottom stepping edges respectively. The user is able to point a marker tool on the marking surface at one of the top and bottom marking points. When the sliding panel is slid on the side surface to drive the guiding panel sliding on the marking surface, the marker tool is guided to slidably mark on the marking surface to make a straight marking line thereon so as to precisely form the marking line parallel to the common edge of the frame.

Abstract: The present invention is a special-pattern cutting tool for preparing mortises on the edges of wood door slabs and jambs to inset the various plates on standard door hardware. This wood-chisel type tool enables the finish carpenter to quickly cut an outline exactly matching the flat screw-plates that secure the hardware to the door-slab and jambs. The improvement is primarily the cut-pattern shape that incorporates a curved blade to match the rounded corners of said plates. Three variations of the tool comprise a set. Each one is intended to create an outline pattern matching the hinge plate, or the latch-bolt striker plate, or the latch-bolt/lock-bolt plunger plate according to the specifications of at least one manufacturer's door hardware products. Some industry standards do exist between manufacturers to enable competitive replacement of such hardware so the tools would be somewhat universal.

Abstract: A frame jamb marker includes a sliding panel for sliding on the side surface of the frame and a guiding panel perpendicularly extended from the sliding panel for sliding on the marking surface of the frame, wherein the guiding panel has a top stepping edge and a bottom stepping edge to define a top marking point and a bottom marking point at stepping corners at the top and bottom stepping edges respectively. The user is able to point a marker tool on the marking surface at one of the top and bottom marking points. When the sliding panel is slid on the side surface to drive the guiding panel sliding on the marking surface, the marker tool is guided to slidably mark on the marking surface to make a straight marking line thereon so as to precisely form the marking line parallel to the common edge of the frame.

Abstract: An apparatus and/or method for hanging a door in an associated frame are provided, through the use of one or more templates and/or guide devices including elements and features which facilitate proper positioning of mortises and/or holes in the door and door frame, for hinge and lock-set hardware.

Abstract: A jig for face frame hinges may include a base and gripping members, wherein the jig may be secured to a frame member or a wall adapted to receive a hinge base plate and the hinge base plate may be abutted with a first hinge abutting edge of the jig. The gripping members may hold the jig in a selected position so that the hinge base may be abutted with the jig while fasteners are engaged through the base and into the frame member, or while holes are pre-drilled and fasteners engaged to mount the hinge base. The proper position may typically be with a second frame member abutting edge of the jig abutted with an adjacent adjoining frame member. Thus, the jig edges form stops for consistently and positively locating hinge bases of a face frame hinge at a predetermined distance from adjacent frame members.

Abstract: A decoration-used mold unit for defining a border on a work piece to facilitate cutting or milling. The mold unit includes an elongated rectangular main body formed with a first window for processing a first sink and a second window for processing a second sink. A first chucking section protrudes from a first side of the main body. A second chucking section protrudes from a second side of the main body. At least one abutting member is adjustably arranged at the second chucking section. The first chucking section and the abutting member respectively abut against two opposite sides of the work piece to clamp the work piece. In the processing procedure, the blade is restricted within the first and second windows so that the work piece will not be over-milled and the borders of the sinks keep straight.

Abstract: A hinge base plate mounting tool includes a substrate having an inner wall forming an opening through the substrate for receiving and holding a hinge base plate. The inner walls are configured to frictionally engage and hold the base plate against inadvertent slipping out so that the base plate may be placed in the opening and supported in a predetermined position by the base plate mounting tool while fasteners are engaged to mount the base on a receiving wall of a cabinet. The base plate mounting tool is supported in the predetermined position by engagement of a first stop for positive depthwise location of the tool and the base. The base plate mounting tool may be supported in the predetermined position by engagement of a second stop with a wall that adjoins the receiving wall for positive height location of the tool and the base along the receiving wall.

Abstract: A method and apparatus 10 for installing and trimming a plurality of wooden mounting blocks 110 within a roughed out door frame 100 to prepare the roughed out door frame to 100 to receive a finished door frame: wherein, the apparatus 10 includes a pair of vertical standard units 11 11′ connected together by a pair of horizontally adjustable spreader units 12 12′ that are adapted to cooperate with one another to conform to the outside dimensions of the finished door frame; wherein, each of the vertical standard units 11 11′ is provided with a plurality of router templates 27 and means for plumbing each vertical standard unit relative to one of the vertical studs 101 101′ in the roughed out door frame 100; such that the wooden mounting blocks 110 can be glued to the vertical studs 101 101′ and then trimmed using the router templates 27 so that the trimmed mounting blocks 110 are perfectly aligned to receive the finished door frame.

Abstract: An adjustable multi-position biscuit cutting guide according to present invention is embodied in an elongated rectangular member, or body, having a plurality of slidably adjustable guide members disposed along its length. A graduated scale is disposed along one surface of the body of the biscuit cutting guide for use in positioning one or more of the adjustable guide members along the length of the body. Further, slidably adjustable stop blocks or clamping members are disposed along either end of the body for securely holding a work piece in position relative to the slidably adjustable guide members. A plate joiner tool or the like is then used for cutting one or more plate or biscuit slots into the work piece in alignment with centering marks which are disposed on the surface of each of the slidably adjustable guide members.

Abstract: A jig (11) for removable fitment along the edge of a door (19) which provides a suitable combination of guides and stops to allow the location and operation of suitable cutting tools such as drills or routers. The jig comprises a pair of parallel guide plates (26) the distance between which is adjustable for removable fitment to opposing surfaces of the door. Guide holes (30, 31, 32) are located in the guide plates through which a drill or other suitable tool may be inserted. The jig has guide means (12) associated therewith for allowing location of a suitable tool at the edge of the door for making a cylindrical hole or for machining a mortise therein for receiving the body of a mortise lock or a rebate for receiving the face plate of the lock mechanism. A guide block (50) to facilitate accurate drilling is also disclosed.

Abstract: An apparatus for installing door frames which comprises at least two template members and at least three apertures on each template member. To provide horizontal adjustment means between said at least two template members, at least one elongated member may be joined approximately normal to each of said at least two templates. Said at least one elongated member may comprise at least one tongue member and at least one groove member, said at least one tongue member may be slidably positioned within said at least one groove member. To provide means for plumbing said template members, at least one screw may be positioned within said at least one template member. To install a door frame, the apparatus is positioned within a doorway, said doorway composed of two trimmer studs joined by a header stud, such that the at least one template of the apparatus is juxtaposed one of the two trimmer studs, and said at least one aperture outlines the perimeter of at least one slot to be cut in the trimmer stud.

Abstract: A mortising tool designed to remove a specific quantity of material from a wooden object, such as a door or door jamb, to allow flush mounting of door hinge plates. The tool is comprised of a mortise forming member, a cutting device attached to the lower surface of the mortise forming member, and a longitudinal slot formed through the mortise forming member. The cutting edge of the cutting device and the slot are in alignment. Upon placing the cutting device of the mortising tool to one side of the surface of an object from which a mortise is to be formed, material removal is effected by striking the rear portion of the mortising tool and directing it across the object. Material is removed by the cutting device as the mortising tool is directed across the object, and the slot facilitates waste material removal. The mortising tool is also provided with a shoulder which extends from the lower surface of the mortise forming member for controlling the distance the mortising tool travels when forming a mortise.

Abstract: The present invention is a jig system for precisely positioning the placement of multiple cuts such as in the placement of dovetail or box joints cut in a wood panel. A row of multi-use adjustable spacers controls the indexing of a workpiece and can be used with a stationary and/or a portable cutting tool. The movability of the spacers permits a workpiece to be cut on both sides of a guide bar fence thereby assuring that the first cut will always be made on the same side of a drawer and will be esthetically pleasing regardless of the width of the workpiece. Additionally, the adjustability of the spacers accommodates any desired cutting tool height, angle and/or size.

Abstract: The present invention provides a router guide apparatus having a securing means for securing the apparatus to the sides or edges of boards and panels, and particularly the sides or edges of doors and windows. The apparatus comprises a working platform; securing means for securing the working platform to a workpiece with the working platform mounted on the securing means; an aperture for a router bit to extend through the working platform; and a fence means on the working platform for guiding the base of the router.

Abstract: A dovetail joint jig for guiding a power tool for creating a dovetail slot in a first workpiece and a dovetail pin in a second workpiece includes a substantially flat main body portion having a slot portion on one side and a pin portion on an opposite side. The slot portion includes a pair of oppositely-disposed side projections which define a clearance space therebetween. A tapered router bit is guided along the inner edge of the side projections in order to create a dovetail slot in the first workpiece. The pin portion includes a slot-shaped portion whose planar shape coincides with the shape of the slot to be created in the first workpiece and accordingly in the preferred embodiment coincides with the shape of the tapered router bit. A generally cylindrical router bit is guided around the edge of the pin portion in order to remove material from the second workpiece and leave a dovetail pin which matches the dovetail slot in the first workpiece.

Abstract: The present invention concerns an apparatus for allowing the operator of a plunge router to make accurate mortising or doweling cuts in a workpiece and more particularly to allow dowel holes or mortises to be executed in pieces of wood which are to be secured together. The apparatus comprises a base plate having adjustable lateral guides flanking an opening in the base for allowing the passage of a router bit. Removably securable to the base plate is a reversible member or gate including adjustable end guides such that removal and reversal of the gate member permits the user to perform an identical mirror image operation on the second of two workpieces to be matched.

Abstract: A jig for cutting dovetail joints includes a rigid template (1) attached to a block (4). A T-slot (6) along the top of the block locates a stop (8) which is used to align the edges of boards into which dovetail joints are to be cut. The rigid templates (1) includes a row of tapered fingers (2) and an opposing row of straight fingers (3). Shims (16) are used to adjust the position of a backing board (14) relative to the tapered fingers (2), thus providing adjustment in the fit of the dovetail joints. The device is adapted to be used in conjunction with a table-mounted router having a template follower or bearing fitted to the shank of the cutters.

Abstract: A router table sled for use with a router table and a router table fence includes an arm assembly that rides along the fence and a strut assembly that supports the workpiece. The arm assembly includes a slider that slides along an upper edge of the fence and an arm attached to an upper edge of the slide. The arm is usually in a position perpendicular to the slide. The arm is also coupled to a strut assembly that includes a main strut, and two additional struts located beneath the main strut. Each strut includes a longitudinally-centered T-shaped slot formed into top, front, and rear faces. The front faces of each strut lie substantially within the same plane. The two lower struts have opposing edges that are spaced a predetermined distance from each other. When a workpiece is clamped to the faces of the struts, an edge may be placed against the fence. The workpiece may then be moved across the router bit to produce a square cut.

Abstract: The router table push shoe 10 of the present invention has an upwardly extending handle 11 which is angled slightly towards the operator and away from the router table fence 55. The push shoe of the present invention comes with an adjustable bottom guard 20 removably attached to the base 40, and an adjustable side guard 12 which can be removed and used as a bit height measuring tool. Both the bottom guard 20 and the side guard 12 are adjustable to enable the push shoe 10 to hold thin and narrow stock. The push shoe 10 also comes equipped with a miter bar 30. The horizontally adjustable bottom guard 20 is removably attached to the base 40 via a three wing knob 22. The push shoe also has formed in the front right corner a dovetail gauge 17 for making both male and female joints for sliding dovetail joints.

Abstract: A mortising fixture that utilizes interchangeable templates to guide an electric router fitted with a template guide bushing. The templates are held in a fixture plate that is positioned on the box or lid surface to be mortised and which plate is clamped to the lid or box in a position that is determined by (1) a fixture fence that rests against the back edge of the lid or box and (2) a adjustable end stop that indexes against the lid or box sides. One box mortise and the opposite lid mortise are made with the end stop screw block in one position on the fixture plate, and the other two mortises are made after flipping the fixture block and adjusting screw to a corresponding position on the other side of the plate.

Abstract: A slotted dovetail holding fixture is provided including a horizontally oriented base for being clamped to a recipient surface. A vertically oriented central support is coupled adjacent a bottom edge thereof along a side edge of the base. Next provided is a clamping assembly mounted on the central support for clamping a planar piece of wood with a top edge thereof at an elevation common with the top edge of the central support. At least one template is removably mounted to the central support above the clamping assembly for allowing the forming of a dovetail tenon in the piece of wood with a router.

Abstract: A dovetail joint jig for guiding a power tool for creating a dovetail slot in a first workpiece and a dovetail pin in a second workpiece includes a substantially flat main body portion having a slot portion on one side and a pin portion on an opposite side. The slot portion includes a pair of oppositely-disposed side projections which define a clearance space therebetween. A tapered router bit is guided along the inner edge of the side projections in order to create a dovetail slot in the first workpiece. The pin portion includes a slot-shaped portion whose planar shape coincides with the shape of the slot to be created in the first workpiece and accordingly in the preferred embodiment coincides with the shape of the tapered router bit. A generally cylindrical router bit is guided around the edge of the pin portion in order to remove material from the second workpiece and leave a dovetail pin which matches the dovetail slot in the first workpiece.

Abstract: The present invention concerns an apparatus for allowing the operator of a plunge router to make accurate mortising or doweling cuts in a workpiece and more particularly to allow dowel holes or mortises to be executed in pieces of wood which are to be secured together. The apparatus comprises a base plate having adjustable lateral guides flanking an opening in the base for allowing the passage of a router bit. Removably securable to the base plate is a reversible member or gate including adjustable end guides such that removal and reversal of the gate member permits the user to perform an identical mirror image operation on the second of two workpieces to be matched.

Abstract: A door template provides a "T-shaped" plate arrangement for use in conjunction with a router and a drill to form mounting recesses for hardware, and more particularly for cutting a mortise for a hinge and a strike plate in a door and/or door jam. The door template is formed from a base template plate orthogonally connected to a guide plate for engaging a door surface. The guide plate of the door template extends outwardly normal to the surface of the base template plate so as form a "T-shaped" configuration. The guide plate separates the base template plate into a first straight edge portion and an opposing outer edge having a first cutaway section in the shape of a door hinge leaf pattern. Another pair of cutaway sections form a pair of corresponding pattern slots defining a first pattern slot opening, and a second pattern slot opening offset from the first pattern slot opening, extending through the straight edge side of the base template plate for forming latch plate patterns.

Abstract: A carpenter's locator for use with a door boring jig, each of which have a straight side that can fit together, the locator thereby locating the boring jig the proper distance from the doorknob hole for boring a security lock or deadbolt lock hole is disclosed.

Abstract: A dovetail tenon offset caliper includes a shoulder engagement member, a interior intersection point engagement member and a translation assembly for displacing the interior intersection point engagement member with respect to the shoulder engagement member to measure the offset necessary to construct a dovetail tenon to fit a particular dovetail mortise. The translation assembly is configured to displace the interior intersection point member with respect to the shoulder engagement member along a line substantially parallel to the mortise base to measure the perpendicular distance between a first plane perpendicular to the displacement line, the first plane containing the reference shoulder, and a second plane, parallel to the first plane and containing the intersection point, this distance being the dovetail tenon offset. The measured offset is used to position a dovetail cutting tool, such as a router bit.

Abstract: A hinge mortise cutter apparatus is adapted for cutting a hinge mortise into an edge of a door and includes a mortise outline cutter assembly which is placed on the edge of the door for cutting the mortise outline in the edge of the door. After the mortise outline is cut into the edge of the door, the mortise outline cutter assembly is removed from the door. The mortise outline has a predetermined length. Then, a screw-controlled mortise cutter assembly is placed over the mortise outline on the edge of the door and over a portion of two sides of the door adjacent to the edge, wherein a portion of the screw-controlled mortise cutter assembly is placed in registration with the mortise outline. Then, a screw-controlled blade assembly is advanced in a plane parallel to the edge below the edge so that a blade edge, which is part of the screw-controlled blade assembly, cuts out a mortise from the edge of the door.

Abstract: A mortise template assembly including a first angularly inclined work holding surface and a second work holding surface disposed by an acute angle to the first surface and containing a template centered upon the bisecting line of the acute angle. The first and second surface alternately position a length of wood in precise angular relationship to a cutting blade to permit the blade to make angular cuts. The template contains a predetermined cutting course that is transposed as the assembly is alternately positioned from the first work holding surface to the second work holding surface.

Abstract: The present invention is an adjustable router template suitable for use in forming a stepped recess in a door with the cutting tool of a router. The adjustable template includes a first or lower plate having a lower template opening providing the cutting tool with access to the surface of the door to be cut and a second or upper plate having at least one upper template opening through which the cutting tool is initially inserted to reach the lower opening. The upper opening is more restrictive than the lower opening in limiting the surface area of the door that can be cut by the router. The recess can be cut with a step by adjusting the distance between the first and second plates and adjusting the longitudinal orientation of the upper opening relative to the lower opening.

Abstract: An apparatus for supporting and guiding a router in cutting work-pieces to form an interlocking joint comprises a base support member to which two work-pieces are mounted, at least one being in a horizontal plane. A template is also mounted to the base support member above the horizontal positioned work piece. The template is adjustably connectable to the base support member and vertical and horizontal work-piece clamping assemblies are provided with a movable clamping device so that clamping pressure is applied adjacent to each work-piece in holding the work-pieces on the base support member for cutting.

Abstract: This invention relates to a jointer which can be accurately positioned and firmly held to the mating members of a workpiece. The jointer, when used in conjunction with a series of removable templates, will properly guide a hand held router utilizing a variety of bits to cut the matching edges of the workpieces. The jointer can be positioned to cut matching joint configurations either across, or parallel to, the edge of the workpiece which when joined form, a variety of completed and matching joints. The joints which can be fabricated include, but are not limited to the following: through-dovetail joints of different configuration sizes, box joints, through-dovetail joints where the board thickness is greater than the bit cutting length, half blind through dovetail joints, in plane dovetail joints, sliding dovetail joints, mortice and tenon.

Abstract: A combination dovetail, mortise and tenon jig, including a base unit which is used as a means of supporting different templates thereon, for use in forming the necessary elements involved in both dovetail and mortise and tenon joinery, the common elements being useful for both and providing accurate and consistently formed parts which are intended to interengage and perform the functions required of dovetail and mortise and tenon joints.

Abstract: A router template for use in conjunction with a milling tool to create mortises of predetermined size and spacing in an underlying work surface, such as a door edge and door jamb, for butt hinges, a strike plate, and a latch plate. A plurality of router template bodies having template inserts will accommodate strike plates, latch plates, a variety of hinge sizes, and the typical thickness of these hardware work pieces. The router template bodies may be used in conjunction with a guide bar to provide typical positioning for the hinges along the door edge and jamb. This tool may be used with minimal adjustment.

Abstract: A precision router guide for guiding a router in the formation of grooves, slots, steps or other cutaway sections of various widths in a work piece. The precision router guide includes a rectilinear guide member with an integral clamping assembly for securing the guide member to a work piece, and an adjustable template assembly adapted to be slidingly coupled to the guide member. The adjustable template assembly is configured to receive a router base, and has provision for the router bit to extend through an opening into engagement with the work piece. The adjustable template assembly also includes two adjustable guide elements and one fixed and one adjustable stop designed to allow adjustable movement between the router base and the template assembly in a direction perpendicular to the guide member, the amount of such movement being determined by the desired width of the cut.

Abstract: A method for making dovetail joints connecting a pin board having a curved cross-section to a dovetail board having a curved edge.The method includes a method of cutting dovetails in the dovetail board by positioning a dovetail template defining a dovetail slot tangential to the curved edge of the dovetail board with the dovetail slot centered over a point on the curved edge which is closest to the template. The dovetail is cut by means of a router with a dovetail bit, and the procedure is repeated for all points on the curved edge at which a dovetail is desired.The method also includes a method of cutting pins on a pin board by positioning a pin template having a tapered router guide normal to a point on an arched edge of the pin board. The pin is cut by means of a router with a straight bit, and the procedure is repeated for all points on the arched edge at which a pin is desired.Modified dovetail and pin templates for use with the method for making curved dovetail joints are also disclosed.

Abstract: An improved positioning jig which includes two principal relatively flat members adapted for locking and unlocking engagement/disengagement with each other and which are normally urged apart in the unlocked condition by a pair of elongated spring-like members which separate the two principal relatively flat members. Each of the two members includes a mating set of teeth which are adapted for engagement with corresponding teeth on the other member and which permit adjustments in small discrete steps over an extended range. When it is desired to lock the two members together, a bi-directional cam clamp is rotated through about 90 degrees so as to impart a vertical camming force to the upper relatively flat member thereby forcing it downwardly in opposition to the spring bias until teeth of the upper member and those of the lower member are engaged thereby locking the members together in the desired relationship.

Abstract: A self-contained mortising jig is disclosed which enables adjustable positioning and sizing of a mortise and which enables the use of a router or other tool to form finish or shallow mortises for mounting hardware, such as flush bolts, hinges, strike plates, reinforcement plates, finish lock mortises in door edges and other hardware. The mortising jig can be quickly applied to and removed from a surface to be mortised, and the position of the jig can be quickly and accurately adjusted. The mortising jig also enables mortises to be made in the edge of a door which is either bevelled or not bevelled.