Abstract: A compact, and lightweight portable electric router providing sufficient cutting efficiency. The router includes rotary components such as an armature of a drive motor, a motor shaft, a cooling fan connected to the motor shaft and a chuck for fixing thereto a cutting bit. An outer peripheral portion of the cooling fan is provided with a weight or a flywheel member to increase resultant inertial moment of the rotary component, to thus increase rotating power of the cutting bit.

Abstract: A router dust hood has a sub base which attaches to the base plate of a router. A dust hood slides over the motor and is coupled to the sub base. The handles of the router are taken off and mounted on to the hood. A top rubber casing slides over the motor and is coupled to the top of the dust hood. A vacuum is coupled to the dust hood for the removal of chips and dust from the work area. The sub base raises the router off the work surface allowing more air volume around the router bit to aid in the quickened removal of dust and chips from the work area into the vacuum. The sub base is circularly designed, with an outer lip, allowing an operator to guide the router on a template.

Abstract: The present invention provides a small, portable hand-held tool having a rotating cutter blade therein. The blade is adjustable to extend within to a very small degree above the base of the tool to engage and trim off such imperfections in the surface of the paint job without cutting into the surface itself. In its preferred embodiment, the present invention contains a lubricant dispenser for providing lubricant to the surface being treated and may include a light source to aid in detecting imperfections.

Abstract: A depth of cut lock mechanism for a plunge-type router having a drive motor enclosed within a motor housing. The motor housing is attached to a base plate by a pair of spatially separated guides. Each guide has a guide sleeve attached to the motor housing and a guide tube attached to the base plate and slidably received in the guide sleeve. The lock mechanism has a lock disc rotatable between a lock position and a release position. A torsional spring resiliently biases the disc toward the lock position and a manually activated release lever displaces the lock disc toward the unlocked position. A brass plug is axially displaced by the rotation of the lock disc to frictionally lock the guide sleeve and guide tube to each other. A ratchet mechanism is provided to adjust the torque applied to the lock disc by the torsional spring and a release lever lock mechanism is provided to lock the release lever and lock disc in a release position.

Abstract: An edge router for milling off protruding margins of edge bands that have been glued or bonded to the narrow edges of a panel type work piece is properly guided even if the edges are rounded, curved, or otherwise uneven. For this purpose, the guide device extending in parallel to the milling or drive shaft of the edge router is provided in the form of two separate parallel guide elements (9, 9'). Even if the guide roller rolls along a curved or rounded, or otherwise uneven edge and even if one of the guide elements is already outside the surface of the work piece, the other parallel guide element will still be positively engaged with the top surface of the panel type work piece for positive guiding at all times.

Abstract: A plunge type router having a thumb screw depth stop mounted to the base of the router. The depth stop is comprised of a stop member encircled by a scale sleeve, wherein the two cooperate translationally to provide both visual and audible indications of the precise depth-of-cut for the router.

Abstract: A router dust hood has a sub base which attaches to the base plate of a router. A dust hood slides over the motor and is coupled to the sub base. The handles of the router are taken off and mounted on to the hood. A top rubber casing slides over the motor and is coupled to the top of the dust hood. A vacuum is coupled to the dust hood for the removal of chips and dust from the work area. The sub base raises the router off the work surface allowing more air volume around the router bit to aid in the quickened removal of dust and chips from the work area into the vacuum. The sub base is circularly designed, with an outer lip, allowing an operator to guide the router on a template.

Abstract: A plunge router (10) is disclosed which has a base (12), a pair of laterally spaced apart columns (14, 16) and a motor housing assembly (18). The base (12) has a planar work engaging surface (22). Affixed to the base (12) are the laterally spaced columns (14,16) which extend perpendicular to the work engaging surface (22). The motor housing assembly (18) has a housing (24), preferably plastic, which supports a pair of bushings (46,48) which slide upon the columns (14,16) to permit the motor housing assembly (18) to move relative to the base (12). One of the bushings (46) is relatively securely held by the housing (24) while the other bushing (48) is elastically mounted relative to the housing (24) to enable limited movement of the bushing (48) relative to the housing (24). This mounting prevents binding between the bushings (46,48) and the columns (14,16) and accommodates production tolerances and variations and thermal expansions and contractions of the housing (24), the base (12) and columns (14,16).

Abstract: A milling machine, in particular a hand-guided router has a foot plate to be placed on a workpiece, a motor housing having a lower side provided with a tool receptacle for a milling tool and displaceable relative to the foot plate, a protective shield arranged between the foot plate and the motor housing before the milling tool to hold back chips from an operator. The protective shield is foldably mounted on the foot plate so as to facilitate a tool exchange.

Abstract: A routing machine has a motor housing with a lower side having a tool receptacle for a milling tool, a foot plate adapted to be placed on a workpiece, guiding columns extending perpendicularly relative to the foot plate, the motor housing being arranged displaceably on the guiding columns parallel to an axis of the milling tool, a clamping sleeve having a clamping screw and releasably fixing the motor housing on at least one of the guiding columns, at least one spring supporting the motor housing on the foot plate, an adjusting member axially displaceable relative to the clamping sleeve over a thread and supports a weight of the motor housing. The spring has an upper end abutting against the adjusting member. The motor housing is supported relative to the adjusting member on bearings and is fixed in an axial direction of the guiding column at both sides.

Abstract: A wood working assembly for use in preparing and finishing wooden surfaces for shaping and joining wooden members with portable hand tools including a frame sub-assembly, tool support means, including means for supporting and directing a portable hand tool thereupon, and a work board sub-assembly operatively associated with the frame sub-assembly to support a work piece relative thereto and selectively position said work piece relative to the hand tool to shape, form and/or join the work piece therewith.

Abstract: A portable electric router having a housing supporting within it a motor on whose shaft is fixed a chuck for fixing in place a rotary cutting bit. A base is provided for fixing an axial position of the housing. A guide plate having a guide surface in contact with the workpiece is fixed to the base for guiding the rotary cutting bit over the workpiece. Further, a radially protruding handle is fixed to the base for slidingly moving the guide plate. The guide plate has an extension section extending immediately below the handle and whose bottom surface is flush with the guide surface. Alternatively, a bottom surface of the handle is flush with the guide surface.

Abstract: A biscuit joiner 11 has a pair of selectively usable retractable antiskid pin subassemblies 13, 15 for increasing the frictional resistance of the shoe assembly 23 with a workpiece when making a cut in the workpiece. Pins 19, 21 are biased forwardly to an extended position by a spring 45. To permit selective use of the pins 19, 21, a retractor 47 retains pins 19, 21 in a retracted position. Retractor 47 preferably comprises a cam 59 and a cam follower 61 and is actuated and deactuated by rotation of pins 19, 21 within chambers 43. Each pin tip 55 has a plurality of peripheral points 73-76 which are particularly effective for reducing skidding on a workpiece.

Abstract: The end of a laid flooring board between adjacent laid flooring boards can be jointed by a jointer including a router mounted on a slide slidable along ways carried by a frame held in position on flooring by pressure on a positioning plate attached to the jointer frame and having a reference line for registration with a flooring joint and an undersurface capable of gripping the flooring to prevent inadvertent shifting of the frame during a jointing operation.

Abstract: A tool including a shaft having a drive portion, a lateral stop portion, and an intermediate portion straddled by the drive and lateral stop portions, the drive portion being adapted for detachable engagement with a rotary drive; a router blade mechanism retained by the intermediate portion of the shaft and projecting radially outwardly therefrom; a first coupling keying rotation of the shaft to the router blade mechanism so as to form a rotatably engaged unit; a longitudinal stop defining a bearing surface projecting radially outwardly from the router blade mechanism; and a second coupling securing the longitudinal stop to the unit and permitting axial adjustment between the router blade mechanism and the bearing surface.

Abstract: A portable electric plunge router (10) having an improved housing (20) including a right handle (28) and a left handle (30) each including an elongated portion (32) and a hand rest lobe portion (34). The handles of the router are conveniently gripped in two positions corresponding to a plunge operation and guided movement position and a detail or free-hand cutting position. In the plunge or guided cutting position, the elongated portion (32) of the handles are gripped. In the detailed or free-hand cutting position, the hand rest lobe portions (34) of the handles (28) and (30) are gripped while steadying the router by sliding a portion of the user's hands along the surface of the workpiece (52). An upper surface (36) of the hand rest lobe portion (34) extends radially outwardly and downwardly from the elongated portion (32) of the handles (28) and (30). A bridging portion (38) encloses wiring to switches disposed on the handles (28) and (30).

Abstract: A multi-purpose woodworking fixture having structure for facilitating precision-controlled positioning of a woodworking tool, such as a router, about a wood workpiece for cutting wood-joint cuts, wood molding, or geometric designs. The fixture facilitates making a variety of the common wood-joints including dovetail joints, box joints, dado joints, dovetail-dado joints, rabbet joints, combination rabbet and dado joints, mortise and tenon joints, mortise and mortise joints, biscuit joints, lap joints, cross lap joints, end lap joints, dowel joints, spline joints, tongue and groove joints and stile and rail joints. The fixture features a router carriage, a detachable calibrated router positioning mechanical attachment for positioning the router in the X-direction and Y-directions and which complements the router's adjustment in the Z-direction.

Abstract: A plunge type router including a mechanism for setting the depth of cut of the router. The mechanism is a compact and self-contained assembly which provides for fine adjustment, locking and quick release, all at a single location on the tool.

Abstract: A router including an arrangement for locking the shaft against rotation and preventing power from being supplied to the motor when the shaft is locked. The shaft is locked by movement of a lock bar which traps a flatted portion of the shaft in an appropriately dimensioned slot. A secondary switch in the power path to the motor is controlled by movement of the lock bar. In addition, an indicator lamp connected to the secondary switch is lit when the shaft is locked and the router is still connected to a source of power.

Abstract: A router having a depth of cut adjustment mechanism including an adjustment ring which engages a screw thread on the motor housing and rotationally engages the router base. There is further provided an arrangement for preventing relative rotation between the motor housing and the base. The adjustment ring is formed as a split ring with projections adjacent opposite sides of the split, each with a frusto-conical camming surface. A circular clamp knob having a plurality of tabs extending axially outward from a top surface and radially outward from a central axis is mounted for threaded rotation on a bolt passing through the projections radially with respect to the router motor housing which bears against the camming surfaces so as to squeeze the ring in order to effect a clamping action as the knob is moved inwardly.

Abstract: A portable electric router having a depth of cut adjustment mechanism including an adjustment ring which engages a screw thread on the motor housing and rotationally engages the router base. The adjustment ring is formed as a split ring with radially directed projections adjacent opposite sides of the split. One of the projections is formed with a camming surface and a clamp lever is provided with a camming surface slidably engaging the projection camming surface. The projection with the camming surface is captured between the other projection and the clamp lever so that rotation of the clamp lever in a first direction forces the projections toward each other to clamp the adjustment ring to the motor housing and the base and rotation of the clamp lever in a second direction allows the projections to separate to release the adjustment ring.

Abstract: A portable electric router having a depth of cut adjustment mechanism including an adjustment ring which engages a screw thread on the motor housing and rotationally engages the router base. Rotational engagement of the ring with the base is effected by providing an annular groove on the base and a projection on the ring engaging the groove. The projection is formed with a plurality of pockets each having an opening communicating with the groove. Within each of the pockets is a ball which extends through the opening to contact a wall of the groove and thereby act as a ball bearing.

Abstract: A router attachment which hasa body member, having a mounting end, mountable to a router; and a work end having an inclined guide surface capable of engaging a variable width slot in a template;the body member has a centrally located bore passing from said mounting end to said work end.

Abstract: A plunge type router including an arrangement for locking the depth of cut adjustment which does not require the operator to release the grip on the router handle. The locking mechanism is activated by an actuator arm mounted for pivoting movement within the handle. Pivoting of the actuator arm causes a stop plug to be pressed against a guide tube displaceably coupling the router base plate to the router motor housing.

Abstract: A device is disclosed which is designed to be mounted on a plunge router in such a manner that the turning of a crank may be used to adjust the elevation of the router with respect to the associated table. The device includes support columns designed to slidably mount through openings in the router handles and a crank mechanism within one of the support columns and which may be rotated to adjust the elevation of the router. In addition, a transparent insert may surround the router drive shaft beneath the router bit.

Abstract: A split ring router mount apparatus (10) adapted to releasably engage a conventional router (100) to a substrate; wherein the apparatus includes a collar unit (11) operatively engaged with the base (101) of the router and provided with a plurality of tongue elements (18); and, a base member (20) equipped with tang elements (25) that are adapted to releasably engage the tongue elements (18) on collar unit (11); and, wherein the base member (20) is provided with fastening elements (45) for operatively securing the base member (20) to a substrate.

Abstract: A router base and combination router and base for use as a guide in making a dado, rabbet groove, or similar cuts, has a plurality of peripheral edge segments spaced different distances from the center line of the router bit. The base provides for making one or more cuts of varying distances from a conventional fence without adjusting the fence.

Abstract: A device for the fine adjustment of the cutting depth of a surface milling cutter, where a cutter holder supporting a drive and a cutting head is displaceable with respect to a foot plate along guide columns which extend vertically to the foot plate and are supported therein. The cutter holder is fixable in a first, rough vertical distance position (cutting depth) by means of at least one locking element, with a threaded spindle, which is preferably adjustable parallel to the guide columns. The cutter holder has a stop face, which cooperates with a bit stop, fastened to be adjustable in height on the foot plate, so that a fine height adjustment is possible when the locking element(s) is (are) released.

Abstract: A router attachment which is particularly useful for cutting decorative slots or grooves in wood and/or other materials, particularly those decorative cuts that are present in dentil moulding(s).

Abstract: A portable electric router having a depth of cut adjustment mechanism including an adjustment ring which engages a screw thread on the motor housing and rotationally engages the router base. There is further provided an arrangement for preventing relative rotation between the motor housing and the base. The adjustment ring is formed as a split ring with projections adjacent opposite sides of the split, each with a frusto-conical camming surface. A circular clamp knob mounted for threaded rotation on a bolt passing through the projections radially with respect to the router motor housing bears against the camming surfaces so as to squeeze the ring in order to effect a clamping action as the knob is moved inwardly. In order to provide limit stops for preset depths of cut, a pair of stop rings are provided which are angularly rotatable on the router base.

Abstract: A versatile woodworking device for hobbyist or professional use which is rugged, reliable, precise, and portable, wherein woodworking accessory equipment may be selectively and quickly mounted thereto for use therewith, as hand-held circular saws, routers, shapers, radial arm saws, and the like.A pair of spaced rails are provided having a slidable carriage therebetween, wherein a desired woodworking power tool is mounted upon a mounting plate carried by and detachable from the slidable carriage. The tool mounting plate is rotatable with respect to the carriage thereby to position the tool as desired with respect to the workpiece and the carriage, and fixed in position if desired. The carriage itself may also be releasably fixed with respect to the slide rails. Scale indicia means permit precise positioning and repositioning of the carriage as desired with accuracy.

Abstract: A portable electric router having a depth of cut adjustment mechanism including an adjustment ring which engages a screw thread on the motor housing and rotationally engages the router base. There is further provided an arrangement for preventing relative rotation between the motor housing and the base. The adjustment ring is formed as a split ring with projections adjacent opposite sides of the split, each with a frusto-conical camming surface. A circular clamp knob mounted for threaded rotation on a bolt passing through the projections radially with respect to the router motor housing bears against the camming surfaces so as to squeeze the ring in order to effect a clamping action as the knob is moved inwardly. In order to provide limit stops for preset depths of cut, a pair of stop rings are provided which are angularly rotatable on the router base.

Abstract: A portable electric router having a depth of cut adjustment mechanism including an adjustment ring which engages a screw thread on the motor housing and rotationally engages the router base. There is further provided an arrangement for preventing relative rotation between the motor housing and the base. The adjustment ring is formed as a split ring with projections adjacent opposite sides of the split, each with a frusto-conical camming surface. A circular clamp knob mounted for threaded rotation on a bolt passing through the projections radially with respect to the router motor housing bears against the camming surfaces so as to squeeze the ring in order to effect a clamping action as the knob is moved inwardly. In order to provide limit stops for preset depths of cut, a pair of stop rings are provided which are angularly rotatable on the router base.

Abstract: A hardware installation device for boring or drilling wood, plastic or metal and is more particularly concerned with providing a precise location of pilot holes for attachment screws and material removal by boring or drilling means.

Abstract: A wrench storage arrangement for a router wherein the router housing is formed with a cavity and apertures communicating with the cavity are provided on diametrically opposed sides of the cavity. For storage purposes, the wrench handle is caused to extend through the apertures. Within the cavity are a pair of beams which extend toward each other, each of the beams having a longitudinal rib. The wrench handle is formed with notches on the opposed side surfaces, which notches engage the ribs to provide a retention detent.

Abstract: A centering apparatus aligns a template guide bushing on a router such that the bushing is centered with respect to the shaft of a cutting tool. The centering apparatus has a shaft and a conical member slidingly located on the shaft. The shaft is substituted for the cutting tool shaft in the router, wherein the conical member is moved along the shaft into contact with the template guide bushing for centering.

Abstract: A scribing accessory for an offset router including an elongated metal plate having a guide wheel journaled to one end thereof and a spacer block attached to the lower surface thereof. Screws are provided for attaching the metal plate and/or block directly to the router base and for affixing a base plate to the bottom surface of the block. Alternatively, the base plate could be formed integral with the spacer block.

Abstract: A guide device securable to a hand-held router facilitates the guiding of the router across a thin workpiece so that the rotatable cutting tool of the router severs the workpiece along a prescribed cutting path and so that the prescribed cutting path corresponds with an edge of an object underlying the workpiece. The guide device includes a platen body which moves between the workpiece and the underlying object as the router is moved across the workpiece, and the body includes a lengthy abutment surface positionable in abutting engagement with the edge of the underlying object. When moving the router across the workpiece while maintaining the abutment surface in abutting relationship with the edge of the underlying object, the cutting tool of the router moves in cutting engagement with the workpiece along the prescribed cutting path.

Abstract: A chamferring machine has a machine body provided with a rotary cutter formed with cutting edges on its outer periphery. The rotating cutting edges chamfer the side edge of a workpiece. A guide is mounted on the base of the machine body and has two guide surfaces intersecting at a predetermined angle and brought into contact with the side edge of the to-be-chamferred workpiece. The cutting edges of the rotary cutter are partially exposed through a hole formed in the guide, at the intersection of the guide surfaces. A displacement unit is provided on the machine body and the guide, for moving the rotary cutter relative to the guide, in the axial directions of the displacement unit.

Abstract: A cutting guide for hand-held routers has a guide fence which pivots about a base. The guide fence engages a workpiece and provides a steady support for a variety of routing operations including bevelling or chamfering, splining, rabbeting, dadoing and edging. The cutting guide also has an after-cut guide to provide additional support.

Abstract: A joint machine having a fence and a fence position adjusting mechanism. The mechanism adjusts a vertical position and angular orientation of the fence with respect to a pair of fence supporting members upstandingly extending from a base which accommodates therein a cutter. a hand gripper is provided between upper end portions of the fence supporting members. The mechanism includes a pair of fence fixing means. One of the fence fixing means fixes both the vertical position and angular orientation of the fence, whereas the other fixing means fixes the vertical position of the fence.

Abstract: A simple, low cost, light weight biscuit jointer (21) comprises an elongated motor housing (23), a motor end cap assembly (25) fixed to one end of housing (23) and a base assembly (27) for engagement with a workpiece. To form a biscuit receiving slot in a workpiece, the motor housing (23) and end cap assembly (25) are pivoted relative to base assembly (27) for sweeping a an elongated, generally cylindrical bit (29) through an opening (31) in a base plate (33). The sweeping action is effected by an operator rotating a handle (35) fixed to end cap assembly (25) counterclockwise (FIG. 2) relative to base assembly (27). A handle (37) is used to stabilize base assembly (27) as house assembly (23) is pivoted to form the slot.

Abstract: A cutting tool guide assembly for guiding a cutting tool over a workpiece for making a precise cut on the workpiece, including an elongate rail member, a trolley mounted for movement along the length of the rail member with the trolley supporting the cutting tool for cutting operations on the workpiece, and a securing member fixed to the rail member for securing the rail member with the workpiece and a method for using same.

Abstract: A portable electric tool including an electric motor for driving a cutter to cut an object to be machined. The electric tool comprises a bracket for supporting the electric motor and handles attached to handle-mounting sections of the bracket for keeping the electric tool in cutting operation. Also included in the electric tool is a coupling mechanism for mechanically coupling each of the handles to each of the handle-mounting sections of the bracket. The coupling mechanism includes first and second annular members which are respectively attached to the handle-mounting section thereof and the handle so as to be coaxially arranged in confronting relationship to each other. Each of the first and second annular members has elongated recess portions and elongated projection portions which are alternately and successively arranged at a predetermined angular interval with respect to its own center.

Abstract: A routing cutter comprises drive means, an upper housing part arranged to receive the drive means and having a lower side, a cutting tool arranged at the lower side of the upper housing part, a base plate displaceable substantially vertically relative to the upper housing part, and fixable relative to the latter, and means for guiding the base plate and including a column guide, the column guide including a sleeve which is arranged in the upper housing part and displaceable relative to the latter in a displacement direction of the column guide, the column also having a rod which is connected with the base plate and fixably guided in the sleeve.

Abstract: Disclosed is a bench mountable joining machine. The joining machine comprises machine apparatus for supporting and positioning a workpiece while making a slot-like plunge cut into a joint surface of the workpiece. The machine also includes a base member for removably mounting the machine to a bench.

Abstract: An attachment mountable on the underside of a router by means of which slots or grooves may be accurately cut in a work-piece parallel to an edge of the piece. The attachment comprises a plate member preferably formed of transparent plastic sheet material. The plate member is generally sector-shaped and has an area several times greater than the area of the router underside. A router blade opening is located in the plate member. A fence member is pivotally attached adjacent one end to the plate member on the underside of the plate member adjacent its narrow end. The fence member has a straight edge which extends from the place of pivotal attachment to the arcuate edge of said plate member. The fence member has a cut-out in its straight edge of such size and location as to coincide with the router blade opening when the fence is aligned with the blade opening.

Abstract: An assembly for facilitating the cutting of matching panel joints includes a base body which is adapted to be secured to the lower surface of a router or the like and has a lower ramped slide surface defined therein, and a slide member having a topped ramped bearing surface defined therein for contacting the lower ramped slide surface in the base body. The base body and slide member are mounted for sliding relationship relative to each other so that a lower bearing surface on the slide member is vertically adjustable relative to a corresponding lower bearing surface on the base body. In operation, the base body and slide member are adjusted so that their respective bearing surfaces differ in elevation to a degree equal to one-half the wavelength of a cutting bit to be used in the router.

Abstract: A biscuit jointer cutter for making segment shaped cuts by plunge cutting has a shoe assembly reciprocally movable relative to a housing containing a motor. The shoe assembly houses a cutter blade rotatably driven by the motor, and has a front opening through which the blade is movable in a forward direction for cutting and retractable in a rearward direction after cutting. A fence assembly is mounted on the shoe assembly above the front opening. The fence assembly is adjustably movable upwardly and downwardly relative to the front opening by means of a rack and pinion mechanism, and also has a fence adjustably pivotable through 90 degrees. A depth of cut adjustment mechanism is operatively connected between the shoe assembly and the housing, and includes a movable rod cooperative with a stop. The stop is a turret selectively rotatable about an axis eccentric of the rod and having recesses of different axial length.

Abstract: An apparatus for making dovetail cuts along the corner of a wooden box includes a frame and a pair of elongated posts movably mounted with respect to the frame, extending away from the frame and in indexing plate member mounted at the opposite end of the posts from the frame so that the posts extend from the indexing member at generally right angles thereto. The indexing member can be fixed relative to the posts and the frame includes a router guide member having a recessed portion defined by two intersecting flat surfaces that meet at a longitudinal common line parallel to the posts, and the recess registers with the wooden box workpiece corner during use. The flat surface portion of the frame carriers a guide slot with a linear axis that extends transversely with respect to the posts and at generally right angles to the common line. The guide slot can be fixed relative to the fence and the posts and the entire assembly can be secured to a wooden box-like workpiece structure to be cut, in a clamping fashion.