Abstract: A concrete cutting saw is provided for the cutting of grooves in the surface of wet concrete. The concrete saw generally comprises a motor driven rotating cutting blade mounted on a support structure. The concrete saw is supported during cutting by wheels, and has a skid plate with a slot through which the rotating cutting blade passes to cut the concrete. The skid plate is movably attached to the concrete saw and resiliently urged against the concrete during cutting so that it remains in contact with the surface of the concrete surrounding the cutting blade during cutting. The skid plate is constrained into a bowed configuration so that it is substantially flat during cutting. A variable speed transmission is drivingly connected to the wheels to propel the saw across the concrete during cutting.

Abstract: An adjustable fence for orienting a plate joiner having a body and a rotating generally planar cutter to cut an arcuate slot in a workpiece is disclosed. The fence comprises a base, a handle and a fastening mechanism. The base is shiftably affixed to the plate joiner body and has a planar surface forming a first fence oriented generally perpendicular to the plane of the cutter. The base also has a guideway parallel to the first fence. The handle is movably adjustably affixed to the base and has a grip portion adapted to cooperate with a hand of an operator and a planar surface forming a second fence forming an angle relative to the first fence. The handle cooperates with the base guideway enabling the second fence to be adjusted along a guideway axis parallel to the first fence relative to the planar cutter. The handle is pivotal about a transverse axis parallel to the first and second fences to vary the angle of the second fence relative to the first fence.

Abstract: A portable electric cutting and scoring saw for use on laminated or veneer products is disclosed. The scoring saw is disposed in front of the cutting saw and turns in the opposite direction. The saw is designed primarily for the craftsman cabinet maker where the use of large industrial bench saws is not feasible. In one embodiment, the scoring saw cuts at a fixed depth and the cutting saw depth of cut can be varied by changing the blade with one of a different diameter. In another embodiment, the cutting and scoring saw depth of cut and angle of cut can be adjusted simultaneously with depth and tilt adjustments. In addition, in this embodiment, the saw motor can be easily removed and replaced with one of different horsepower and R.P.M. In yet another embodiment the electric motor has a battery power-pack attached thereto that can be readily recharged. The battery power-pack makes the portable electric cutting and scoring saw completely self contained.

Abstract: An apparatus and a cradle for converting a portable bandsaw into an upright table saw. The saw includes a casing, a pair of spaced apart pulleys mounted in opposed housings on the casing for rotatably supporting an endless saw blade, and a trigger guard attached to the back of the casing behind the motor housing. The stand includes a horizontally disposed base plate, a vertically disposed pedestal and a short, narrow facing piece mounted on the base plate, so that the L-shaped trigger guard, when placed in an upright position, will snugly fit, remaining upright, and a bracket situated near the top of the pedestal which serves to retain the upper portion of the bandsaw. A trigger actuating means is mounted on the pedestal for holding the trigger of a saw suspended in the cradle in either an on or an off position.

Abstract: An apparatus for allowing a craftsman to make uniform cuts in building material. The apparatus includes a hand-held electrically operated circular saw as well as a slide for guiding the building material in a first direction. First and second members are used for guiding the circular saw in a second direction. The craftsman is thereby able to repeatedly make uniform cuts in building material by manually sliding the building material on the slide and then moving one of the members in the second direction so as to cause the circular saw to cut the building material.

Abstract: A motor-driven hand circular saw, has a base plate, a motor, a drive housing surrounding the motor, a saw blade provided with saw teeth and being in operative connection with the motor, a saw blade housing accommodating the saw blade, an upwardly movable saw shaft having the saw blade, a hinge arranged so that the drive housing together with saw blade is movable upwardly and downwardly normal to the saw shaft with respect to the base plate for cutting depth adjustment. The saw blade is movable in and out. A turning hinge having a turning axis extends in a feed direction so that the saw blade housing is connected through the turning hinge with the base plate, and there is at least one upper and lower handle with respect to the base plate. The saw blade housing with the saw blade is located at the left and the drive housing is located at the right as considered in the feed direction. The hinge for cutting depth adjustment is arranged at the front side of the base plate as considered in the feed direction.

Abstract: A portable electric cutting and scoring saw for use on laminated or veneer products is disclosed. The scoring saw is disposed in front of the cutting saw and turns in the opposite direction. The saw is designed primarily for an on-the-job cabinet maker where the use of large industrial bench saws are not feasible. The scoring saw cuts at a fixed depth and the cutting saw depth of cut can be varied by changing the blade with a different diameter. The laminate or veneer to be cut is bonded to the workpiece and the scoring saw eliminates chipping of the laminate or veneer. The scoring saw and the cutting saw lie in the same plane.

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: An apparatus arranged for association with a saw plate member, wherein an elongate guide member is slidably and reciprocatably mounted in a parallel orientation relative to a saw blade, wherein the guide member includes a guide plate orthogonally oriented relative to the rotary saw of the organization to effect guiding of the saw blade in an orthogonal orientation relative to a portion of wood to be severed to permit ease and alignment of the saw for cross-cutting of the aforenoted workpiece.

Abstract: A compass saw comprising a separate removable suction channel located between a base plate and a saw housing pivotally supported on the base plate, the suction channel having a substantially unobstructed suction path.

Abstract: A device is provided for attachment to an electrically powered jig saw for the purpose of removing hardened grout from the spaces between adjacent coplanar tiles. The device translates the reciprocal vertical motion of the jig saw to reciprocal motion of a horizontal bar which causes a cutting blade to oscillate in a vertical plane upon a pivot pin transversely penetrating a yoke that supportively embraces the cutting blade.

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 router attachment which is particularly useful for cutting the slots to receive standard biscuits used in biscuit joinery.

Abstract: The instant invention sets forth a saw guide for use with industrial type saws to enable the use of such saws in a jig saw arrangement. A plurality of upstanding legs are securable to an associated industrial saw wherein the legs are spaced to either side of elongate underlying slot for enabling reciprocation of a saw blade within said slot. The slot terminates in a spaced "V" shaped configuration to minimize hindrance of movement of the saw guide and saw during traverse over a surface to be cut accommodating imperfections associated with a surface to be traversed. A manipulating handle is positioned in a raised orientation relative to a first guide surface with an adjustable second guide orthogonally and adjustably positionable relative to said first guide surface.

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: A finger held and/or hand held cue tip shaper has a body arranged as a substantially hollow cylinder having a larger outside diameter and larger inside diameter at one end, to receive a cue tip of larger diameter secured to the end of a larger diameter billiard or pool cure, and a smaller outside diameter and a smaller inside diameter at the other end, to receive a leather cue tip of smaller diameter secured to the end of a smaller diameter cure. A blade body with cutters at each end is located with one longitudinal side thereof located on the longitudinal centerline of the cue tip shaper, and in the central overall area thereof. During an injection molding process, the longitudinal upper and lower edges of the blade body become embedded in the injected molded plastics forming the body of the cue tip shaper. At one end of the blade body is a respective smaller concave cutter, and at the other end is a respective larger concave cutter.

Abstract: A stand for supporting a portable band saw in a stationary upright position. The saw includes a casing, a pair of spaced apart pulleys mounted in opposed housings on the casing for rotatably supporting an endless saw blade, a trigger guard attached to the back of the casing behind the motor housing and a threaded hole formed in the front of the casing forward of the motor housing for removably mounting a hand knob thereupon. The stand includes a support unit having a horizontally disposed base plate, a vertically disposed pedestal secured to the base plate and a raised support arm removably secured to the pedestal whereby the arm can be changed in assembly to accommodate different size saws. A cradle is formed in the lower part of the support unit which encircles a portion of the trigger guard of the band saw.

Abstract: A tool having an elongate guide blade and perpendicular head for alignment with the sides of a work piece is provided to guide a hand-operated cutting-type powered tool in making straight cuts. The head is reversible relative to the guide blade to allow use with tools which have guide structure on opposite sides of a cutting tool. The guide blade provides frictional material on its lower surface to aid positional maintenance on a work piece. A measuring device to indicate position of a tool cut is provided by a replaceable dowel that is cut off by a particular tool being used with the device.

Abstract: A guide for use with a portable circular hand held power saw in making square cuts across a board or plank. A spring biased hinged flap slidably secured beneath the base plate of the saw bears against the edge of the plank throughout the course of the cut, maintaining the perpendicular orientation of the saw relative to the work piece.

Abstract: A metal skin trimming device which cuts an edge of a first metal skin to a net shape that is complementary to the edge of a second metal skin that has been previously attached to a frame, such as the airframe of an aircraft fuselage. A guide carried by the device is adjustable to set the gap that will appear between the edges of the first and second metal skins when they are attached as by riveting to the airframe.

Abstract: A cutting device for plastic pipe for use principally in the aid of plumbing, swimming pool and spa installations. The pipe cutter is designed specifically to be used or attached to a hand held drill motor of the type which tradesmen commonly carry and use for drilling holes and setting screws. The pipe cutter includes a body which is attachable to the front of a drill motor and houses a dual directional linear actuator such as an epicyclic ball screw with bi-directional brake. The epicyclic ball screw linear actuator responds to the chuck or rotating shaft of the drill motor. The housing defines or holds a U shaped recess or cradle for receiving a plastic pipe extending transverse to the length of the housing or more particularly on center or to the axis of the drill motor shaft. A guillotine type of cutter blade is driven by the screw actuator to move through a slot into the cradle to be driven through the side wall of the pipe and therefore sever the pipe within the cradle.

Abstract: A scoring saw is disclosed for use in association with a main saw blade and disposed forwardly of the main saw blade and rotating in the opposite direction. A mechanical connection transmits the power from the main blade to the scoring blade. The mechanical connection is mounted in a longitudinal casing which is pivotally carried at one end on the axle of the main blade and which rotatively carries the scoring blade at its free end. A support assembly is constructed and arranged to vertically adjust the casing and therefore the scoring blade. An adjustment is further provided to transversely align the scoring blade with the main blade.

Abstract: The band saw stand presented herein comprises a base and a pair of vertical support member for maintaining a portable band saw in a secure upright position. A worktable and guide are attachable to the saw stand whereby the device can be quickly assembled and disassembled as required at a job site and in use allows the operator freedom of both hands to guide a workpiece for cutting accuracy.

Abstract: A compass saw comprises a drive unit for a saw blade holder carrying a saw blade, and a base plate supporting the drive unit. The base plate has on its underside a glide shoe lined on a bottom face with a contact sole. The guide shoe is provided to guide the blade at the level of the base plate, more particularly close above the contact sole, laterally to an extract such as to prevent it from deviating from the desired course, as well from canting and coming into off position.

Abstract: A saw guide (14) for controlling the linear path/direction of travel with respect to a reference on an object such as a board being cut, of a rotating saw blade is provided. The guide (14) includes a carriage (18) which carries a sleeve (36) along one longitudinal edge portion in the preferred embodiment. A travel control mechanism controls the direction of travel of the saw from a reference defined on an object to be cut. This mechanism (50) includes a protractor which is rotatably mounted on one end portion of the rod (44). A mechanism for adjusting the rotational position of the protractor with respect to the rod is provided. The protractor can be readily stored above the carriage (18) as desired.

Abstract: A cutting tool mechanism including a slide member, a track member slidably guiding the slide member along a preselected path, a saw, and structure associated with the slide member for mounting the saw thereto. The mechanism includes structure for directing the user's hands away from the saw blade in the use of the mechanism, including a pair of handles at opposite sides of the saw mounting structure. The axis of the saw is disposed at a small angle to the slide plane, and to the direction of guided movement. Adjustable slide elements are mounted to the slide member for adjusting the disposition of the slide member on the track member. Adjustable track followers are adjustably mounted to the slide member for maintaining accurate guided fit of the slide member on the track member.

Abstract: A hand-held power tool with a circular-disk-shaped tool mounted on an output shaft which extends normal to a drive shaft has a guiding part which surrounds the tool in an immovable position at its cutting side. The guiding part has a wall arranged for abutting against a workpiece and having a through slot for the tool, and a guiding edge extending parallel to a cutting direction of the tool, and the guiding part being movably guided in direction normal to the wall.

Abstract: A guide plate for a hand power saw has a top side with a low coefficient of friction for functioning with a guide member on the power saw, whereas the other or lower side of the plate has a slip-proof facing material for resting on a workpiece to be cut with the saw. Furthermore near one of its long edges the guide plate has a guide ridge with guide faces thereon running in the direction of sawing. A main part of the guide plate is placed on the one side of this ridge while the part on the other side of it is in the form of a ledge that is in a single plane with the lower face of the guide plate on the other side of the ridge. The lower side of the guide ridge is in this plane or is higher up than this plane. On the side of the main part of the guide plate furthest from the ridge there is a guide lip running in the direction of sawing that rests on the workpiece to be cut.

Abstract: The invention relates to a method for manufacturing insulating troughs for pipes, especially pipe bends. According to the method semicircular portions of a pair of concentric cutting blades having radii of curvature corresponding to the outer diameter of the insulating trough and the outer diameter of the pipe respectively, are applied with their cutting edges in a vertical plane against one edge of a board of insulating material, the blades are set in motion in their circumferential direction and advanced through the material of the board along a path corresponding to the desired shape of the insulating trough. An apparatus for carrying out the method is also disclosed.

Abstract: An inertial guide and support particularly adapted for use with sabre saws, the inertial guide and support including a relatively heavy base providing sufficient inertia to hold the sabre saw blade against a workpiece during a portion of the stroke of the blade and also including apparatus located adjacent the workpiece for supporting and guiding the saw blade while permitting rocking of the blade relative to the workpiece whereby the cutting efficiency and workpiece thickness range of the sabre saw are increased while vibration and operator fatigue are reduced during operation of the sabre saw.

Abstract: An anti-mar base is provided for a saber- or bayonet-type saw. The anti-mar base is provided with spring clips to detachably affix the same to the corresponding base of the saw in order to prevent the marring of objects to be cut. The anti-mar base is made of a smooth material in the form of a sled-like member having two runners separated by a groove into which a key-like opening opens. The key-like opening is formed of a circular opening to which is connected a slot. The spring clips extend from two metal strips which traverse the sled-like member extending through the body thereof and exposed in the aforementioned groove. The spring clips are of S-shape and permit the ready removal of the anti-mar base from the saw base.

Abstract: A laminate cutting assembly includes spaced upper and lower plates whereby the laminate sheet may be inserted therebetween and cut by a cutter extending through aligned slots in the plates with a movable guide bar assembly having a guide surface in the space between the plates controlling the width of the cut.

Abstract: A miter table for use with a saber saw. The workpiece to be mitered is clamped by clamping members to the lower surface of the table and the upper surface of the table is provided with parallel guides which guide the saber saw in movement and are located at an acute angle to the clamping members. A slot is formed between the guides and the blade of the saber saw projects through the slot and is moved into contact with the workpiece as the saw is moved between the guides.

Abstract: A scoring device for attachment to a shoe plate of a power hand saw includes a mounting structure having an elongate base member with opposite ends engageable in spaced saw rip guide brackets for extending transversely on the shoe plate forwardly of the saw blade. An upper bar member is slidably mounted atop the base member and longitudinally selectively positionable thereto. A scoring wheel for cutting into the outer surface of an article to be sawn has a sharp edge and is rotatably mounted between spaced arms connected to the bar member for vertical swinging movement. The wheel is selectively positioned with the bar member so that the wheel edge cuts a continuous score line or indentation over the entire line of intended sawing and generally aligned with the saw blade.

Abstract: A non-abrasive glide pad is provided with a means of attachment to the table of a portable power saw. In a preferred embodiment the pad is secured to the saw table by means of a magnetic sheet bonded to the deck of the pad. In a second embodiment the entire deck is comprised of magnetic material. In a third embodiment the means of attachment to the saw is provided by strategically-positioned appendages of the pad deck that clip onto the table of the saw. In all embodiments the non-attaching bottom of the pad is provided with a surface of a non-abrasive nature such as that of a short-napped carpet.

Abstract: An attachment for use with a saber saw which enables the saber saw to make straight non-wandering cuts. The attachment includes a plate which is secured flatwise to the base of the saber saw and a supporting fin extends downwardly from the plate and is located behind the reciprocating blade of the saber saw. The lower portion of the fin has a pair of spaced guides which define a slot to receive the blade. The fin and guide members maintain the blade in perpendicular relation to the base plate and prevent deformation of the blade as a cut is made.

Abstract: A radius router guide having a pair of spaced legs arranged for receiving a piece of material at an end of the material where a radius is to be cut. The legs are connected to a track arrangement which slidably supports a router, and the legs are also attached to the workpiece itself in such a manner as to pivot about an appropriate axis for cutting a desired radius on the workpiece. The router slides back and forth as it swings about the pivot axis of the legs so as to form a radius on the associated end of the workpiece. At least one of the legs is adjustably mounted on the track arrangement to permit varying the spacing between the legs so as to accommodate material of different widths.

Abstract: A hand-guided power tool comprises a housing and a base plate mounted below the housing. The base plate is adapted to be juxtaposed with an object which has material to be removed therefrom. A tool element such as a reciprocable cutting blade extends through a slot formed in the base plate and is operative for removing material from the object with concomitant production of undesirable particulate material in the circumambient region of the element. A channel member is also mounted below the housing but at a distance from the base plate to thereby form a suction channel which is in communication with the circumambient region of the tool element and which is operative for removing and guiding the particulate material from the tool element.

Abstract: A guide for enabling straight-line tracking of a hand-held portable power saw over a work-piece having a clamp adapted to be secured at the forward edge of the sole plate of the saw, the clamp having at least one roller mounted thereon providing roller support for the saw on the work-piece, the roller having axially spaced apart work-piece engaging sections so as to inhibit angular deviation of the saw as it is moved over the work-piece.