Abstract: Rip guide for tools comprising a guide member adapted to slide along an edge of a work piece such as a sheet of plywood.A slotted scale member having a guide end and a tool mounting end is adjustably mounted on the guide member.A saw mounting member is rotatably mounted on the tool mounting end of the scale member. The tool mounting member is adapted to be clamped to a conventional tool.The scale member has a transverse slot adjacent to its tool mounting end, the slot being adapted to receive a razor type knife for cutting plaster board parallel to the edge of the cutting piece.The scale member also has at least one hole adjacent to its tool mounting end to receive a marking member for marking the work piece parallel to the edge of the work piece.The scale member has a hole located a predetermined distance from the guide, the hole being adapted to receive a marker member for marking the work piece parallel to the edge of the work piece.

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 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 receptacle (74) in the shoe (12) of a circular saw (14) holds an accessory tool (10) which combines the functions of blade wrench and square. The base (18) of the L-shaped tool (10) is bent to provide an offset bearing surface (52) to facilitate its use as a square. The base (18) also includes a hexagonal wrench opening (46) sized to fit the saw blade retaining nut (48). An interrupted longitudinal groove (26) in the "upright" portion (16) of the L helps guide the tool (10) into the receptacle (74) and hold it there.

Abstract: Boiler tube repair apparatus includes elongated guide rail structure for securing to a boiler tube panel adjacent a desired cut region, and three tool assemblies for mounting on the guide rail structure. Each tool assembly includes carriage structure with guide structure for engaging the guide rail structure and support structure on which a tube machining tool is mounted and that defines a tool movement axis dedicated to and coordinated with that tool. Each machining tool includes a drive motor, a manual motor control, a drive shaft and a machining member such as a cutter disc or head.

Abstract: Cutting shaped holes is accomplished by the device by including a foot plate on the part to be cut and a cutting tool which is driven around the foot plate in accordance with the hole shape selected. A template determines size and shape of the hole, and a cutting tool movable on a rotating arm follows the template. The template also controls the position of the cutting tool with respect to the direction of cut so that efficient cutting is achieved.

Abstract: This invention provides a guide for hand held power tools for use in cutting sheet material and the like, comprising a T-square having a straight edge adapted to abut the edge of sheet material and an arm extending normal thereto across the sheet material having a hinged base plate capable of being fastened at adjustable locations along the arm at measured dimensions from the straight edge. Power tools, such as circular saws or routers, may be mounted on the base plate which is pivotal between a raised position in which the power tool is out of engagement with the sheet material and a lower position in which the cutting tool engages the material.

Abstract: An apparatus for cutting boiler tubes comprising a movable carriage having a cutting means where the carriage and cutting means are supported on a lateral supporting beam secured adjacently to a bank of boiler tubes. The movable carriage means is stabilized with a plurality of bearings means for engaging the lateral beam and preventing strain and vibrations during the cutting process. The cutting means is preferably powered by a pneumatic motor.

Abstract: A circular cutting device for cutting planar material along a predetermined radius utilizing a saw having a blade member. The saw is mounted on a saw base having a raised edge. An end plate has a front end positioned adjacent the saw base raised edge and has an attachment mechanism for securing the end plate to the saw base. An adjustment bar has a longitudinal slot formed therein, the adjustment bar being attached to the end plate at a side opposite to the end plate front edge. An extension bar has an axis extending generally parallel to the axis of the adjustment bar and is slidably movable with respect to the adjustment bar. The extension bar is secured to the adjustment bar along the axes. The extension bar is secured to the material to be cut.

Abstract: A pipe slitter comprises a base for fixing the slitter to a pipe to be slit thereby. The base includes a pair of end plates for mounting transversely of the pipe and a pair of connecting rods for coupling the end plates to each other. The connecting rods extend longitudinally of the pipe. A carriage supports a slitter blade. The carriage is movably supported on the base for movemenet longitudinally of the pipe. The slitter blade is movably supported on the carriage for movement transversely of the pipe.

Abstract: A compass for sweeping an arc of a circle on a sheet of material comprises an annular base having a lower surface engageable with the material. A support member is rotatably supported on the base and a toolholder is mounted on the support member. The toolholder is moveable with the support and upon rotation of the support relative to the base, sweeps an arc of a circle. The toolholder has a toolpost to support a tool and permit movement of the tool relative to the support member in a direction generally normal to the sheet of material to facilitate movement of a tool mounted in the holder into and out of engagement with the sheet of material.

Abstract: A method and apparatus for preparing skived belting ends for joining by means of fasteners, and like products. A guide block is temporarily fastened across the width of the belting, serving as a guide for a chain saw tool. A first side edge portion of the tool slidably engages the guide block while permitting the cutting plane to be transverse to the direction of said width and intersecting with the belting surface to skive it. Thereafter, a second side edge portion of the tool slidably engages the guide block while permitting the cutting plane to be parallel to the direction of said width and intersecting with the belting to cut off an end thereof.

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: The angle stop has a supporting table pivotally but securably mounted on a stationary table carrier. Means for maintaining the edge of the supporting table facing the working plane of the machine tool at a constant distance relative to the working plane in every angular position of the supporting table are provided. This means includes two opposing side parts rigidly attached to opposite sides of the supporting table each having two opposing through-going openings or slots(guideways) and guide elements connected with the table carrier extending through the through-going openings for securing the supporting table releasably in a particular angular position and for guiding its pivotal motion. This improves the secure contact of workpieces and reduces the risk of accident due to workpieces being drawn into the gap between the contact table and working plane of the machine tool.

Abstract: A carpenter's tool expedites the cutting of lengthy boards into shorter segments of uniform length with a hand held power saw or the like. The angled tool has a linear board guide member that is abutted against a side of the board and a saw guide member which extends across the board and defines a surface along which the saw may be traveled. A stop member extends from the board guide member for abutment against the end of the board to to fix the length of the segments which are cut from the board, the position of the stop member along the board guide member preferably being adjustable. The hand of the operator which grasps the board guide member during a cutting operation is held at a location away from the saw by a thumb grip which extends between the operator's thumb and forefinger. The tool may also be provided with rulings for measuring distances in a building framework or the like that are to be spanned by the board segments.

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 guide for guiding a tool on a workpiece including a surface and an edge includes a guide rod with front and back ends. An angle section is provided for engaging the workpiece surface and edge, and is pivotally connected to the guide rod back end by a connector assembly including a pivot pin which pivotally connects an upper plate attached to the guide rod to a lower plate attached to the angle section. A clamp bolt is provided for releaseably securing the plates together in various angular, rotational orientations with respect to each other. A guide tube is provided for releaseable attachment to the tool and telescopically and slidably receives the guide rod.

Abstract: Apparatus and method to properly cut to size the carpet tiles which are used to complete the carpeted areas adjacent walls, doors, etc. in an area to be carpeted. The apparatus encompasses a machine which is placed against a carpet tile already in position and has spring loaded arms which extend therefrom to a point abutting the wall or door structure to fix the position of a cutter on the apparatus so that it cuts the actual size necessary to fill the gap between the previously laid tile and the wall or door sensed by the spring loaded arms.

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 device for supporting and guiding portable electric machines performing a rectilinear work, such as a cut, a rabbet or bead, which includes a rectilinear rail (1) of a U-shaped section including two parallel wings (2) and a bottom (3) in which a travelling path (5) receives a mobile carrier (6) adapted for carrying the machine, the rail being fixed to the material (23) to be worked by sliding stirrups (8, 24); the rail is made at least on a major portion of its perimeter of a double U-shaped wall, the two walls being rigidly connected to one another by braces placed in the space between the two walls so as to form a monolithic structure, non deformable under the efforts generated by the machine in any position.

Abstract: A panel saw apparatus for cutting a straight line in a planar surface such as a boiler tube panel includes a guide rail arranged to be secured to the panel surface in a predetermined position and a cutting assembly mounted on the rail for movement along the rail. The cutting assembly includes a carriage mounted on the rail for movement along the rail, a brake for holding the carriage in a desired position relative to the guide rail during cutting operations, a cutting tool and tool housing pivotally mounted on the carriage and arranged to pivot toward the panel surface to enable a cutting tool covered by the housing to serially plunge cut a straight line in the surface, and a securing means for holding the cutting tool in various positions of rotation relative to the carriage. The brake is arranged to be automatically actuated and released by pivotal movement of the tool housing towards and away from its cutting position.

Abstract: The Crownmaster is a tool used as a guide, with a hand held circular power saw, in the cutting of crown moulding, for inside and outside corners. Specifically, the Crownmaster allows the user to simultaneously make the angle cut and the bevel cut in crown moulding.

Abstract: A railroad rail cold sawing device for securement about a railroad rail having a central web and flanges connected to opposite ends of the web, includes a sawing section having a sawing blade; a drive section; a spline drive shaft for removably connecting the drive section and the sawing section to cause rotation of the saw blade; and at least one clamping assembly for removably clamping the sawing section and the drive section to the railroad rail, each clamping assembly including a support for supporting a respective section on an upper one of the flanges, a fixed clamping leg fixedly secured to the support for clamping one side of the central web, a pivotal clamping leg pivotally secured to the support for clamping an opposite side of the central web, and a piston-cylinder drive assembly connected to the support and the pivoting clamping leg for pivoting the pivoting clamping leg into clamping relation with the opposite side of the central web to secure the respective section to the railroad rail.

Abstract: A tool support and guide assembly for use in repairing boiler tube panels includes a support carriage mountable upon a guide rail that has been previously installed to enable a panel saw tool to be guided along a straight cut line. The support carriage includes a second guide rail conforming in configuration to the first installed guide rail and which extends perpendicularly to the first rail towards the line of cut tube ends. A similar or the same panel saw is mounted on a carriage that is roller guided along the second rail for cutting the membrane between the tubes of the tube panel. A tube end preparation tool is also roller guided along the second guide rail to enable its positioning above each of the cut tube ends so that each tube can be machined (i.e., beveled) in preparation for welding thereto of a replacement tube panel. The perpendicular rails provide a simple guide assembly for accurately locating the saw and the tube end preparation tool.

Abstract: A one-piece elongated rectangular metal fence plate adjustably attachable to a cutable guide base of plywood or plastic. One longitudinal edge of the fence plate is formed into a guide fence for hand held power circular saws or saber saws. The invention has straight widened edges of adjustably bolting to the surface of the guide base. The fence plate attached to the guide base provides an elongated saw guide fence for straight cutting of large building material panels such as plywood. The guide base is a rectangular panel sized equal in length to the fence plate. The guide base is initially of greater width than the width of the fence plate plus the width of the base of the power saw. For the initial set-up, the fence plate is bolted to the guide base. The guide base is then cut to size using a power hand saw with the guide fence of the attached fence plate serving as the saw guide to assure parallel alignment of the guide fence relative to the cut edge of the guide base.

Abstract: An adjustable tool supporting device for use in log and timber construction having a U-shaped frame member; a microadjustment assembly mounted to the frame member and coactive therewith to secure a timber or log therebetween; and a chain saw mounting assembly attachable to said frame member for mounting a chain saw for cutting the timber or log secured thereby and locating the saw blade for straight and angular cuts through said timer or log.

Abstract: A hand held circular saw rip guide that is attached to a planar base and includes a movable cross member that is disposed about the planar base. An cross member extension serves as a straight-edge to guide the skill saw in operation. An upper surface of the planar base has a graduated series of indicia that represents feet and inches, or any suitable scale, to provide the operator with a tool for measuring the work piece and in combination with the movable cross member allows the operator to measure and cut any desired dimension in the work piece.

Abstract: A portable band saw for cutting boards of variable thickness from a log has a frame that carries the band saws wheels and a space between the cutting length of the band and the frame that is large enough for the board that is cut from the log to fit through and a slide or rollers for riding on the log when the band saw is cutting a board from the log is carried by the frame in the space between the cutting length of the band and the frame so that the band saw rides along the log from end to end of the log while cutting a board from the log of thickness determined by the space between the cutting length of the band and the bottom of the slide. In a preferred embodiment of the invention, to make the first cut on a rough log, anchor plates are attached to each end of the log that carry supports for a smooth rigid beam suspended between the supports on which the band saw slide rides to cut a straight flat surface longitudinally along the log.

Abstract: A portable miter guide device for portable power saws which is easily disassembled for transportation and readily used on any table or support on the work site. The device comprises horizontal surfaces for guiding the portable power saw across the work piece at various angles to the side of the lumber or work piece. It also includes a base for supporting the horizontal guides which can readily be supported on the table or the like which includes vertical surfaces for engaging the sides of the work piece.

Abstract: Boiler tube repair apparatus includes elongated guide rail structure for securing to a boiler tube panel adjacent a desired cut region, and three tool assemblies for mounting on the guide rail structure. Each tool assembly includes carriage structure with guide structure for engaging the guide rail structure and support structure on which a tube machining tool is mounted and that defines a tool movement axis dedicated to and coordinated with that tool. Each machining tool includes a drive motor, a manual motor control, a drive shaft and a machining member such as a cutter disc or head.

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 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 rod (44') along one longitudinal edge portion in the preferred embodiment. A travel control mechanism (50'), including a movable sleeve (78) slidably received by the rod (44') 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 the sleeve (78). 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.This application is a Continuation-In-Part of application of Ser. No. 763,295, filed on Aug. 7, 1985, and due to issue on Nov. 25, 1986, with a U.S. Pat. No. of 4,624,054.

Abstract: A gasket cutting assembly for cutting an inner diameter and an outer diameter of a gasket simultaneously. The assembly has a rectangular bar base portion with a longitudinal slot therein and a blade at one end. An L-shaped adapter arm with a second blade at the L-shaped end also has a longitudinal slot and the arm and base are attached to one another by a bolt through the longitudinal slots. Graduations on the base and arm facilitate settings of the blades for cutting the internal and outside diameters of a gasket simultaneously.

Abstract: A square for glass cutting has a triangular shaped phenolic plastic body having a head supporting base member, a straight edge, and a straight edge strengthening member. The base member has a plurality of apertures having diameters of a first dimension. A head member includes first and second head plates interconnected and spaced by a bridge to sandwich the base member. The first and second plates have a plurality of apertures having centers corresponding to the centers of the base member apertures, but having diameters of a second dimension less than the first dimension but equal to the diameters of set screws, whereby when the head member is loosely attached to the head support member by the set screws the squaring of the first head plate automatically squares the second head plate and the tightening of the set screws maintains the squared relationship between the head plates and the straight edge member.

Abstract: A saw highly accurate, light weight guide assembly releasably attached to a portable power saw to provide the accuracy of a table saw while retaining the convenience of a portable saw. The saw includes a bidirectionally telescoping slide assembly having an outer track which attaches on one side to saw receiving base plate and an inner track which attaches on the other side to a guide arm and compass assembly. For ease of carrying the guide arm may be retracted while retaining a predetermined compass angle setting and the tracks may be secured together by a quick release latch. A set of ball bearings engages planar surfaces on the tracks to form a point contact which minimizes clogging while affording a smooth and easy yet stable sliding action for the two tracks.

Abstract: Boiler tube panel removal apparatus includes elongated guide rail structure for securing to a boiler tube panel adjacent a desired cut region, and a cutting tool assembly for mounting on the guide rail structure. The cutting tool assembly includes a support carriage with spaced guide structure for engaging the guide rail structure, main pivot structure secured to the support carriage having a pivot axis extending transversely to the guide rail structure, secondary pivot structure secured to the support carriage, and plunge cut link structure mounted on the secondary pivot structure. A cutting tool that is mounted on the main pivot includes a drive motor, a manual motor control, a drive shaft and a tube cutter disc mounted on the drive shaft. Manual operation of the plunge cut link structure rotates the cutting tool about the main pivot axis in plunge cutting action through a panel of tubes adjacent the guide rail structure.

Abstract: There is provided a laminated glass cutter. The cutter includes a rectangular body frame and a pair of opposed cutting members associated therewith. In use the laminated glass cutter may cut a laminated sheet into two adjacent separate components upon a single pass of the body over the sheet.

Abstract: A device for guiding and gauging a hand-held power saw during crosscut operations on a workpiece. The device is comprised of a guide section and a gauge section interconnected by means of a length of wood strapping. The guide section has a sheath-like structure mounted on a rectangular plate with an upwardly directed forward flange and a downwardly directed side flange. The forward end of the wood strapping terminates in the guide's sheath-like structure. The forward flange guides the power saw across the front of the device. The side flange positions the device on the workpiece. The gauge section also has a sheath-like structure mounted on a square metal plate with a downwardly directed user side flange and a downwardly directed rear flange. The wood strapping passes through the gauge's sheath-like structure and is fixedly attached thereto. The flanges hold the device in position on and at one end of the workpiece.

Abstract: An apparatus for punching a plurality of predetermined spaced mounting holes in a building roof panel support member includes an elongated housing having an oil sump therewithin, a hydraulic pump together with an electric motor for actuation thereof mounted on the housing, guide structure which can be opened and closed for temporarily mounting the housing upon a roof panel support member, an adjustable gauge pin mounted on the housing near one end thereof, the gauge pin being supported on a mount which is adjustable along both the length and the width of the housing, and a hydraulic punch adjustably mounted near the other end of the housing from the gauge pin for punching holes in the support member.The method of punching holes in a roof panel support member as disclosed herein is also part of this invention.

Abstract: A device for anchoring a chain saw machine to a workpiece to produce selected mitered cuts through the workpiece, the device including; a base member presenting clamping structure at one end thereof for clamping the base to to workpiece; and structure rotatable about a first and second axis presented at the other end, the rotatable structure including structure for releasably securing the chain saw machine thereto for selective rotation of the chain saw machine about the first axis for selecting the degree of mitered cut to said workpiece, and for rotation of the chain saw machine about the second axis for transversally cutting through the workpiece at the selected degree of mitered cut.

Abstract: A handle and skid assembly for attachment to the saw bar of a chain saw. A handle component extends upwardly and rearwardly from the skid assembly and includes a pair of handgrips. The ground engaging skid assembly includes forwardly directed arms with one having an article engaging edge which guides the saw chain diagonally into cutting engagement with the article. An open area defined by the remaining arm receives a portion of the sawed article. The two-piece skid assembly includes protective flanges adjacent the runs of the saw chain.

Abstract: A stiff board has raised strips with upstanding straight edges at right angles to one another, providing abutment edges against which adjacent edges of the mat are engaged. An adjustable cutter guide bar having a stop adjacent one end is positioned by means of upstanding pins on the board adjacent the first-mentioned straight edge thereon; and on the cutter guide bar are similar plates, each having a diagonal row of equi-spaced holes selectively engageable over the pins. According to which holes are selected for pin engagement, the straight edge on the cutter guide bar is disposed a certain distance from the upstanding straight edge on the board and the end stop on the cutter guide bar is disposed an equal distance from the other upstanding edge on the board.

Abstract: The present invention relates to a guide for the cutting of a board and the like which employs indicator means for extending outwarding to indicate a setting upon a rule extending over the surface of the workpiece wherein the end of the rule serves as an abutment for a straight edge to be used as a guide for travel of a saw, and a system therefor.

Abstract: A guide device for hand-held machine tools includes a foot plate in which a guide rail, provided with a parallel guide, can be clamped. The foot plate has guide openings in its edge portions. The guide rail is insertable into these openings. The clamping device is displaceable on the guide rail and can be clamped to the latter. The clamping device includes a clamping element with an overhanging clamping projection, which is engageable with the edge portion of the foot plate, and a clamping bolt for clamping the clamping element to the guide rail. The clamping bolt can be moved out from the narrow space between the foot plate and the machine housing and can be easily accessible.

Abstract: A guide device for a hand circular saw or the like has a guide plate with a non-slip coating on its lower face to make contact with the work, and a foot plate running along the guide plate and carrying the saw or the like thereon. The foot plate has a recess thereon which enables it to completely straddle the guide plate while giving lateral guidance. In the recess there are spring loaded rollers or shoes pressing on the guide plate.

Abstract: A guide provides a straight edge along which a cutting tool may be guided to form V grooves in fiber glass sheet material. The guide has indicia and line markings at spaced locations thereon, selectively alignable with the edge of the last previous groove cut in the sheet or panel. When the guide is so located, according to the transverse dimensions of the several walls of the duct that is to be formed from the fiber glass panel, it automatically accounts for the width of the cutting tool that is to be moved along the straight edge of the guide, to assure that the next V groove will be formed at an exact distance from the groove that was last cut.

Abstract: A cutting guide is disclosed for guiding a saw for a mitre cut, particularly at 45.degree., through a piece of coving. The guide provides a guide faces for sliding engagement by a saw or other cutter. The coving is typically placed on a bench with the intermediate rear surface of the coving flat on the bench. The guide is placed on top of the coving with notches or other engaging means locating the guide on the coving and a cut is made with the saw in contact with either face.

Abstract: A portable precision guide for powered hand tools is formed having a base plate with a protractor portion and a table portion, a guide bar on one surface of the base plate guides a powered hand tool on the table portion and an angle arm pivotally mounted on the other surface of the base plate can be positioned by said protractor at a desired angle with said guide bar to position a workpiece for cutting. Said base plate has openings for holding said workpiece therethrough against the angle arm; the workpiece can also be marked where desired through said openings.

Abstract: A unitized saw guide and protractor assembly includes workpiece locator tabs whereby the assembly and workpiece can be hand-held safely for making a precision workpiece cut at a required angle by means of a saber saw. The same saw guide and protractor assembly is employed with a platform on which the assembly rests with its workpiece locator tabs engaged within slots of the platform which lock the assembly and platform together in a precision use mode to create a miter box, said tabs again contacting and positioning a hand-held workpiece for cutting. The saw guide and protractor assembly is used in a third mode with a vise equipped framing base as a miter machine where again the locator tabs engage a face of the workpiece to position the saw guide and protractor assembly with precision. A simplified highly versatile and very economical apparatus is achieved.

Abstract: An aligning mechanism for power hand saws in the preferred structure of this disclosure is connected to a saw. The saw comprises a motor, a handle, and a blade. The mechanism comprises a guide member extending substantially in same direction as a cutting motion of the saw blade and an aligning device extending substantially transversely from the guide member. The aligning device is engaged to the guide member so that at least a portion of the guide member slides forwardly with a saw blade during guiding movements of the mechanism. The guide member comprises an elongated outer portion and an elongated inner portion. The elongated outer portion is hollow and the elongated inner portion is slidably engaged to such elongated outer portion. A resilient element is positioned on the guide member to urge the aligning device in a forwardly direction. The aligning device has an operable position and a non-operable position.