Abstract: A safety device with a cutting edge used with a cutting tool when cutting fabric and other similar items. The safety device designed to protect a first hand of a user of the device when a second hand is using the cutting tool. The safety device includes a base with an upwardly extending vertical protective guard. The guard is sufficient in height to protect the first hand of the user should the cutting tool accidently ride up and over the top of the cutting edge. The cutting edge includes a ruler for measuring the fabric to be cut. On one side of the base is the cutting edge with ruler for guiding the cutting tool when cutting fabric. On an opposite side of the base is a hand rest for receiving the first hand of the user. The hand rest is sufficient in width to receive the first hand on top thereof and for allowing the first hand to apply pressure on top of the fabric as it is cut.

Abstract: The present invention provides an improved power driven chain saw that includes a device for controlling and eliminating kickback reactive forces. The anti-kickback control device includes a free swinging pivotable attachment that has a distal end portion which is shaped-like a spike or a hook and a proximal end portion which extends longitudinally. The distal end portion is positioned at an angle to the proximal end portion and the spike or hook is used to hold an object to be cut. The proximal end portion is mounted on a pivot member and this assembly is then mounted on the chain saw. The gaff member attachment is designed such that it can engage an object to be cut at an angle and remain therein while an operator pivots the chain saw during a cutting operation.

Abstract: An improved system for cutting a quilting piece from fabric, which quilting piece has a constant width sewing expanse around the exposed area of the quilting piece for sewing quilting pieces together. The system includes a template conforming to the shape of the exposed area of the quilting piece and a cutter guide having a rail positioned along one edge of the cutter guide. The width of the rail is selected to correspond to the desired sewing expanse. The template is first positioned on the fabric to be cut and a cutter guide is positioned on top of the template with the inner guide edge of the rail positioned in abutting relation with an edge of the template. The fabric is then cut with a cutter along an outside cutting edge of the rail of the cutter guide.

Abstract: A combination food article positioning device and slicing guide, primarily intended to assist in slicing buns or bagels. The bun or bagel is entrapped between the guide and a table or other horizontal surface and held in position by contact between an inner end face of a pocket formed in the body of the apparatus and a table or the like. The body also includes sidewall surfaces, some of which are circular portions and others of which taper toward an apex, such that the entire pocket has a "teardrop" configuration. The sidewalls are slotted to receive a knife, and the tapered sidewall segments preferably include serrations or teeth. the noncircular shape opposite the knife-receiving slot and the serrations prevent the food product from turning within the guide.

Abstract: A cutting tool and associated positioning templates locate and cut rectangular junction box holes in dry wall or similar sheet material forming structural surfaces. Templates defining a medial positioning slot and providing a spaced pair of positioning pins are carried by pre-established junction boxes and surface sheeting material is established thereover with the positioning pins projecting through the sheet material to indicate positioning slot location. The tool provides a body articulately carrying two perpendicular pairs of spaced parallel saw blades that are moved reciprocably by spring biased driving linkage to cut rectilinear holes in the sheet material over the junction boxes. The saw blades have arcuate edges defining cutting teeth of opposite pitch on each side of the arcuate edge of the tool to aid positional maintenance and prevent chatter during cutting.

Abstract: Embodiments of a two-sided or reversible saw guide for cutting I-beams are disclosed. Each embodiment includes a first set of surfaces and a second set of surfaces, with each of the two sets being adapted for use with a different size of I-beam. The first and second sets of surfaces each include a surface or surfaces for bracing the guide in between the edge bars of the I-beam, a surface for supporting the saw, and a surface for guiding the saw as it moves across the I-beam. The first and second sets of surfaces are sized relative to each other so that the guide may be flipped or turned to one orientation for one size of I-beam and then flipped or turned to the second orientation for the second size of I-beam. The preferred guide has the shape of two generally parallel plates connected to each other so that their longitudinal axis are at about 90.degree. to each other, with each plate being sized to fit onto the web section of a different size of I-beam. The guide may be flipped over and turned about 90.

Abstract: A device for cutting sheathing from a tendon extending through an anchor assembly includes a housing adapted to be rotatable about the sheathed tendon and a blade having a cutting edge. The blade cutting edge is oriented in a selected cutting position within the anchor assembly when the housing is mounted on the sheathed tendon and rotated thereabout.

Abstract: A portable power tool cutting guide comprised of a single guidepiece of extruded material molded to form a dual-sided fence with a remaining flat but ribbed upper surface surrounding the fence and a smooth lower surface, where a reference edge indexed to the particular power tool is cut by aligning the power tool with the fence and cutting the guidepiece parallel to said edge, and the reference edge is then aligned with the desired straight cutting line of a workpiece by means of attachment to the workpiece itself in order to make a straight cut.

Abstract: An attachment for a chain saw that allows the angle of a cut to be controlled with great precision. The attachment consists of a rigid, rectangular guide frame with an open window construction. An approximately U-shaped blade mount is hingably attached to the guide frame, thus allowing a saw blade to be inserted through the open window of the guide frame and mounted onto the blade mount. The blade mount, and thus the attached saw blade, can move in an arc with respect to the guide frame, and the attachment includes a selecting means by which to determine the angle between the blade mount and the guide frame and a tightening means by which to secure the blade mount and guide frame in the desired position. An additional feature is a directing fence so as to control the direction of a cut. The fence consists of a first and a second bar that are hingably mounted to one another and can thus be rotated and secured so that any desired angle is set between them.

Abstract: A saw guide is provided for use with a hand held circular power saw thereby enabling a user to selectively cut either a 90 or 45 degree cut through a construction member such as a 2.times.4. The saw guide is adapted to be used with either a 2.times.4, 2.times.6, 2.times.8, 2.times.10, or a 2.times.12. The saw guide has a first saw guide edge, a second saw guide edge and a wood guide edge. The saw guide also has two adjustable pencil guide edges which are internal to the saw guide. The pencil guide edges are situated so that they are parallel to the first and second saw guide edges. The pencil guide edges are movably mounted within the saw guide so that they can be adjusted so to the width of a given power saw's foot. This allows the user to automatically account for this foot width when using the saw guide to cut a desired length of construction member. The saw guide also is designed to allow the user to easily clamp it to a board. Thus, the user does not have to use one hand to keep the saw guide in place.

Abstract: The rail cutting device includes a base having a pair of jaws fastened together about the head of a rail with a fastening member and an elongate member extending upward from the rail and further comprises a pivot linkage which has one end pivotally attached to the top end of the support member and other end pivotally attached to an elongate support column having a pair of handle members at the top end of the column and a cutting member at the bottom end of the column, the cutting member being actuatable by a hydraulic motor and the support column being of a sufficient length such that the handle members are essentially at or above the waist of a user standing essentially erect and operating the cutting device.

Abstract: A guiding device for wood cutting includes a positioning member, a guiding member, and a member for releasably securing the guiding member to the positioning member and allowing relative pivotal movement between the positioning member and the guiding member when in a released position. The positioning member includes a horizontal section, a vertical section extending downwardly along a longitudinal direction of the horizontal section so that the horizontal and vertical sections may abut against two adjacent sides of a wood piece to be cut. A first circular section extends longitudinally from an end of the positioning member, and a boss projects outwardly from an upper side of the first circular section.

Abstract: The apparatus enables a saddle-shaped parallel connection tapping to be installed on a pipe from the top of a hole in the ground. The apparatus comprises a frame having a tipping thrust device in the form of a spade controlled by rodding and designed to take up a position beneath the pipe, and a removable tapping positioner guided in the frame and including a tubular column that is split along one of its generator lines and that is fitted at its bottom end with a disconnectable module engaging the rims of the tapping. Means are provided on the frame to exert downwards pressure on the tapping support module in selective manner, and the removable module includes means for welding the tapping to the pipe. A device for driving a plug or a perforator device can be inserted in the cylindrical column of the tapping positioner from above.

Abstract: A device for providing protection against the debris produced by a bolt that can be cut by a pyro bolt cutter, in particular through the use of a pyrotechnic device, the device including a confinement enclosure which surrounds the body of the bolt where it leaves the cutting device, and including resiliently deformable members such as membranes that are slit in their centers, with the body of the bolt passing in a substantially sealed manner through the centers of the membranes. The device serves to trap inside the confinement enclosure the debris that are produced when the bolt is cut, and it is particularly applicable to the aerospace industry.

Abstract: An alignment device for guiding a power saw orthogonally across a board. The inventive device includes a base plate securable along side a support deck of a saw. An alignment member is movably mounted along the base plate and oriented so as to extend orthogonally relative to a blade of the saw. Spring return assemblies bias the alignment member towards a front end of the base plate and against an edge of a board to position the saw in an orthogonal orientation relative to the edge to ensure a straight cut across the board.

Abstract: A saber saw assembly includes a vice for clamping an object to be cut and a saber saw having a saw blade to be operated in reciprocating motion. The saber saw is arranged to cut the object with the reciprocating saw blade while the object is clamped by the vice. The vice is in the form of a pipe wrench. The pipe wrench clamps the object when rotated in a clamping direction while releases the object when rotated in a releasing direction opposite to the clamping direction. Accordingly, by using the pipe wrench for the vice, the clamping and releasing operations for the object are simplified to enhance the working efficiency for cutting the object.

Abstract: A plumbing device comprises a clamp 10 which is clamped around a "live" pipe 12 and which threadedly receives a cutter/valve 16 having cutter portions 30 and a valved passage 32. The cutter/valve 16 is screwed home to remove a section of pipe and to align the valved passage with the pipe. The device may then function as a stop-cock.

Abstract: A vacuum template has a suction chamber on its back surface that adheres the template to the wall or other flat surface when a source of vacuum pressure attached to the template is turned on and the template has been placed by the worker in its desired position. Dust inlets adjacent a guidance hole in the template immediately suction away dust particles as the hole is being cut by a power tool or hand saw manipulated by the user. Interchangeable modules on the template provide for variations in hole size and shape.

Abstract: A release device for an air cushion or thermal insulation barrier of a double or multi glazed glass unit comprises interfitting first and second members which are movable relative to one another, the first member having associated with it a pin or striker which is movable with the first member from an inoperative position to an operative position to crack or penetrate one or more glass panels of the unit, the device has one or more ventilation orifices to enable release of the sealed air cushion or thermal insulation barrier between the panes of a glazed unit. To limit the relative movement of the first and second members of the device there is within the device interfitting projections. The device, which may include one or more springs, may be mounted on a support structure for movement from an inoperative position to an operative position.

Abstract: A compound miter jig apparatus includes a base unit and a plurality of connectors for connecting the base unit to an article to be cut. A pair of pivot support assemblies arc connected to the base unit. The pivot support assemblies are spaced apart from each other on the base unit and include longitudinally adjustable first pivot elements. A bearing block assembly is supported by the first pivot elements and is located between the first pivot elements. The bearing block assembly includes a pair of second pivot elements in contact with the first pivot elements. The bearing block assembly also includes a shaft bearing assembly. A shaft assembly is supported by the shaft bearing assembly. The shaft assembly includes a chain-saw-connector assembly. An adjustable tilt-lock assembly is supported by the base unit and is connected to the bearing block assembly for locking the bearing block assembly at a predetermined angular tilt.

Abstract: A dome shaped tool is provided for use with a standard one gallon and one quart adapted to be positioned over the sealing ring groove in the paint can. This tool includes 4 equally spaced guide/puncture tips which are attached to the underside an inside of the dome and extended downward.

Abstract: A guide for cutting a truss joist I-beam with a hand-held power saw such as a worm drive, hypoid drive, or circular saw is disclosed. The guide comprises a base positionable along a top surface and an inner edge of one chord of the I-beam, a mechanism mounted on the base for securely holding the base to the chord, and a cutting guide pivotally mounted on the base for guiding a hand-held power saw at a selected angle in cutting the I-beam. The holding mechanism includes a handle extending from the base and a pivot arm pivotally coupled to the base. The pivot arm has a gripping end for contacting the chord and a pivot handle for pulling upwardly toward the handle for causing the gripping end to pivot into contact with the chord.

Abstract: Device for cutting a pipe (1) transporting fluid in order to stop the circulation of the fluid at any point, comprising a casing (2, 3) susceptible of being sealingly mounted on the pipe (1). The casing (2, 3) contains at least one blade (8) which is driven in rotation and feed motions so as to cut off the pipe (1) by sawing it transversely. The blade (8) forms a stop surface to the circulation along the section plane of the saw blade. The device is useful in the cutting of fluid flow in pipes and particularly in the case of accidents such as fires in oil wells.

Abstract: A saw guide is arranged to include first and second gauge sectors pivotally mounted relative to first and second table plates that are telescopingly mounted relative to one another. A fence member extends along the first and second table plates for guidance of a saw blade therealong.

Abstract: The invention provides a saw guide for a power saw or router of the type having a blade and a saw housing wider than the blade which directly overlies the blade during cutting. The saw guide includes a guide bar having a straight outer edge for guiding a peripheral guide surface of the saw housing, a gauge bar having a straight outer edge, and a hinge pivotally connecting the gauge bar to the guide bar. The gauge bar can be swung manually from a position in which the gauge bar and guide bar lie parallel on top of a flat workpiece to a position where the hinge and gauge bar are clear of the straight outer edge of the guide bar so that the saw can move without obstruction along the straight outer edge of the guide bar.

Abstract: A carriage having rotary cutter wheels is mounting for reciprocation on a frame adapted to be rigidly secured to a pipe casing which is desired to be split along a line parallel to its axis. A hydraulic motor is mounted to the frame at one end of the carriage. A rotary crank driven by the motor is coupled to an arm which is also coupled to drive the carriage in a reciprocating motion. An adjustable hydraulic valve controls the speed of the motor, and thus the speed of the cutter. An adjustable stabilizer is mounted to the frame to stabilize the cutter by bracing against the carrier pipe within the casing.

Abstract: A radial guide device for a power saw apparatus to accommodate the radius of the circular pattern to be cut from a hard relatively smooth surfaced planar material. The present invention also contemplates a slidably movable pivot means to adjust a selectively adjustable radius on a fixed guide arm to provide the desired circular pattern in a selected planar material. More particularly, the invention relates to a guide device which allows for a portable electric circular saw to be mounted therein and as an insert to be guided at a desirable fixed radial direction as it transverses the material to be cut.

Abstract: The tapping apparatus includes a body that receives a cutter and sleeve. The cutter and sleeve advance together to form an opening in the sidewall of a main conduit about which the body is secured. The sleeve includes external threads that grip into the conduit sidewall. Thereafter, retraction of the cutter leaves the sleeve in place to secure the tapping apparatus to the conduit and establish fluid communication therethrough. The cutter and sleeve preferably have different thread pitches so that the sleeve advances at a slightly faster rate than the cutter. This facilitates sealing engagement between the external surface of the main conduit and the body. Additionally, a one-way drive arrangement is provided between the sleeve and cutter so that once the sleeve is positioned in place, the cutter can be removed without altering the location of the sleeve.

Abstract: An automatic welding apparatus and an automatic milling apparatus for machining welding grooves in order to weld a three-dimensional surface such as a ball tank or the like are disclosed. A welding wire spool is accommodated within a case and a cover to prevent the welding wire from being oxidized and from being contaminated with foreign materials. The automatic milling apparatus is installed to form welding grooves on the both sides of the objects to be welded, in the case where a welding is performed on a three-dimensional curved surface. A guide roller having a handle is installed to control the machining depth of the grooves, and an idling type nylon guide roller is installed in closed contact with the shaft of a cutter, thereby adjusting the distance between the rail and the groove, and adjusting the deviations of the depth of the grooves, which are caused by the machining inaccuracies due to the deviations of the three-dimensional curvature.

Abstract: A device blocks the flow of fluid in a pipe so that work can be done on the pipe downstream of the device. The device includes an installation unit and a blocking unit. The installation unit is sealed against the ambient when mounted on the pipe to permit drilling a hole into the pipe and the blocking unit includes an expandable body which is passed through the installation unit and on through the hole in order to temporarily block the flow of fluid in the pipe. The expandable body has a larger diameter than the internal diameter of a channel in the installation unit. The blocking unit includes a rod mounted in the holder to which a manual force is applied for distending the expandable body before insertion so that the expandable body has a diameter less than the diameters of both the channel and the hole thereby facilitating passage of the expandable body through the channel and hole into the pipe.

Abstract: Tap line pliers for removing refrigerant from a line of a refrigeration system comprising a set of pliers having jaws at one end and opposed handles at the other end; a platform mechanism coupled within the jaws of the pliers, the platform mechanism adapted for holding a line placed thereon for tapping; a tapping mechanism coupled within the jaws of the pliers, the tapping mechanism adapted for tapping a line held on the platform mechanism; and a valve mechanism coupled to the tapping mechanism, the valve mechanism being adapted for draining a tapped line.

Abstract: A method and apparatus for aiming a tree to be felled including a tool for precisely marking a face notch to be cut into a tree trunk, said tool comprising a main body, an aiming rod on the main body, and two pivoting tree-engaging marking arms mounted pivotably together on the main body for partially encircling the tree trunk and identifying the upper and lower cuts of a generally horizontal portion of a hinging notch when the aiming rod is aimed in the direction of fall. The tool includes angular adjustments to allow marking an aiming notch which compensates for the lean of a tree and/or for trees with trunks of irregular cross section.

Abstract: A tool guiding measuring apparatus or apparatus for measuring a portion of a workpiece and guiding a tool during an operation on the workpiece. The apparatus includes an aligning body portion for positioning the apparatus in a desired orientation against a workpiece. Two tapes are provided on the aligning body portion for measuring the dimension of a portion of the workpiece. A selectively positionable clamp on a free end of the tape is used to calibrate the apparatus to provide a true measure on the tape of the dimension of the workpiece while compensating for the dimensions of the apparatus and tool. The selectively positionable clamp securely attaches to each of the tapes at a desired calibration position on the respective tape to provide ease of use and repeatable measuring. The apparatus also includes a clamping device which clamps the apparatus to the workpiece to prevent movement of the apparatus while cutting.

Abstract: A tool for assisting in producing a straight edge on a piece of rough cut raw material, such as lumber or masonite. The tool is held in place on top of the piece by gripping means which grip the piece along two opposite side edges. The tool's straight edge, unobstructed by clamps or other protrusions, is then used as a guide to bank against the saw fence of a table saw, radial arm saw, or circular saw, producing a straight edge on the piece. Using the tool, one can take the flat bow out of a piece and also remove the rough mill edge. The tool can also be used with a hand circular saw, jig saw, or router by running the saw directly along the tool's unobstructed straight edge.

Abstract: A portable and adjustable cutting guide especially designed to minimize chipping of the cut edges on cuts made cross-grain on doors, panels or the like when utilizing a circular saw, a jig saw or a router. The device includes a thin, rigid, preferably plastic, rectangular plate having one long, perfectly straight edge defining a cutting guide line and a slightly raised surface member extending parallel with but spaced from the edge defining the cutting guide line, the raised surface member functioning as an edge stop for the platform of the saw being used with the guide. Preferably the plate is provided with at least one clamp on the opposite side thereof from the edge defining the cutting guide line to permit securing of the plate to the work piece so that it presses down on the surface being cut to minimize chipping thereof. The cutting guide device may also be supplied with a power supply box to facilitate use of the cutting saw and, if desired, with a work light to illuminate the cutting area.

Abstract: A movable and automatic sawing and clamping device for wood, wherein two pipe-like frame portions are separated from each other by a suitable distance. Two sets of horizontal pieces are orthogonal to these portions and are separately provided therebetween. A clamping device can be formed between these horizontal pieces for clamping a saw tool therebetween. The whole clamping framework can be moved by means of a plurality of bottom rollers to cut the workpiece.

Abstract: A slicer generally resembling a hand held wood planing tool sits atop a block of food to be sliced or shaved, such as cheese. The slicer has a main platform or base which supports a carriage slidable on a guide groove formed in the base. The carriage supports a shaft rotatably mounted therein, from which shaft depends a pair of arms holding a cutting wire between them. The arms are pivotally and adjustably mounted to the shaft. The arms are fixed in place at a desired cutting depth by a screw. A stop located on the underside of the base counteracts the tendency of the block of food to be pushed by the cutting wire. A curved handle disposed upon the carriage enables the same to be moved, thus slicing the food, with one palm bearing thereagainst.

Abstract: A rope saw cutting apparatus is partially insertable through a bore in a composite panel to scarf the panel without access to the blind side of the panel. The same apparatus can also be used to prepare a tapered repair plug to close tolerance to repair the scarfed panel. The apparatus preferably uses a rope saw blade to perform a plunge cut followed by a circumferential cut which has a desired taper or scarf angle.

Abstract: A combination pipe cutter and gate valve for plastic pipe insertable into an in service pipe through which a fluid is flowing. The combination pipe cutter and gate valve comprises a valve body, means for securing a valve body around a portion of the plastic pipe into which the valve is to be inserted, a shear disposed within the valve body, means for lowering the shear toward the pipe and a cutting element secured to the leading edge of the shear, the cutting element forming a single cutting edge having a length such that the pipe is completely severed after the shear has passed completely through the pipe. As the shear passes through the pipe, the plastic material of the plastic pipe is deformed forming a seal against the faces of the shear.

Abstract: Apparatus is provided for accessing hazardous materials stored in a container. The apparatus includes a base that is securely mountable to the container of hazardous materials. The base may include an assembly of clamps or an assembly of suction cups adaptable to containers of varying sizes and configurations. The frame is removably and adjustably mounted to the base. The frame includes plural gantries that are selectively movable toward or away from the base and the container to which the base is mounted. A tool is mounted to each gantry. A first tool is operative to perform work on the container, while the second tool is operative to position the first tool. The tools are powered and controlled from a remote location preferably by pneumatic power.

Abstract: Horizontal motorized drive rods in an upright rectangular frame control the movement of vertical guide rods in the X direction of the frame. Motorized guide rods move a router on a movable mount along the Y direction. A plungeable router, spring-mounted on the guide rods, is moved adjustably into the plane in the Z direction. The router removes glazing from a window sash and cuts deeper into the rabbit joint of the sash to allow double pane glass to be inserted into the sash. A rotary saw, with blade depth adjustment is swivel mounted to another vertical guide for cutting a slot in both vertical and horizontal rabbit joints to receive glazing beads. Pins rigidly mounted in front of and behind the cutting edges of the rotary saw blade act as guides and stops for the saw. Horizontal threaded rods with opposing right and left threads on either side of the center of the horizontal rod forms a centering device.

Abstract: A saw guide for use with a hand power saw comprising in combination a guiding platform with two generally planar edges which underlie or form two guiding edges for guiding the shoe plate of a hand power saw across a workpiece to make cuts at various angles, and two workpiece guide bars; one guide bar is generally stationary, engaging the end surface of a workpiece to initially align the guide; the other guide bar is slideable, engaging the opposite end surface of a workpiece. The sliding guide bar is releasably clamped in position. Both guide bars work in unison to hold the saw guide in relation to both workpiece edges, allowing the saw guide to slide along the top surface of a workpiece, but not swivel out of position. Two kerf gauges are slideably interlocked at both ends of the stationary guide bar. These gauges measure a cut line along both the top surface and edge surface of a workpiece. These gauges are easily swapped or replaced for use with different power saws, blades or blade tilts.

Abstract: A combination saw guide and surface protector which can conveniently be used in the field with a hand operated, power circular saw to make precise cuts in very large sheets of plywood paneling, wallboard and the like. The apparatus includes a surface protector which prevents the soleplate of the saw from engaging and possibly damaging the surface of the workpiece. The apparatus includes two or more sections that can be quickly and easily connected together to enable precision cuts to be made even on very large sheets of paneling and plywood.

Abstract: A portable tube cutting apparatus which facilitates smooth even cuts. The apparatus has a frame supporting a movable carriage, a motor driven cutting tool secured to the carriage, and vise-like fasteners for supporting the frame from a stationary object, such as the tube which is to be cut. A pair of spaced parallel rods, secured to the frame, pass through a pair of corresponding cylindrically bored guides attached to the carriage to restrict movement of the carriage to a linear path which passes through the tube which is to be cut while the apparatus is being used. A rack and pinion arrangement operably connected to a lever is preferably provided for smoothly advancing the carriage toward the tube.

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 carriage guide for coupling the end plates to each other. The carriage guide extends longitudinally of the pipe. The carriage guide movably supports a first carriage. A second carriage movably supports a slitter blade. The second carriage is movably supported on the first carriage for movement of the slitter blade longitudinally and transversely of the pipe.

Abstract: A guide for a hand-manipulated power saw having a main support plate, the guide having a sole plate with a saw-guiding edge, and a gauge bar clamp on the sole plate at the bottom surface thereof at right angles to the guiding edge, the clamp having a resilient member spaced from the bottom surface of the sole piece to hold a gauge bar or rod directly against the work-piece.The invention includes two forms, one in which the clamp is integral with the sole plate and thus fixed in relation to the saw guiding edge, and a form in which the clamp is detachable and adjustable relative to the saw guiding edge, the clamp in this case being under the sole plate so that the gauge bar is also located under the sole plate in use.

Abstract: A guide bar for use in providing a straight edge to make a metal cut, usually on steel with an oxyacetylene torch, which can be used both on flat stock and also across the open section or center web between the top and bottom plates of an I-beam.

Abstract: A saw guide for use with a portable powered hand saw comprises a base which terminates in a saw guiding edge and is hinged to a flap. Means are provided to anchor the base to the work piece. The flap has an extensible end having a transparent portion with a reference line inscribed therein parallel to the saw guiding edge. After the extensible end of the flap has been set for the particular saw (and the particular bevel angle of the blade) to be used, the base with flap is placed on the work piece and the saw guide is moved until the reference line is in coincidence with the desired line of the cut. The base is then anchored to the work piece and the flap flipped out of the way exposing the saw guiding edge.

Abstract: A cutting guide assembly consists of a pair of guide rails in end-to-end abutting relationship with a clamping plate frictionally engaging each guide rail to secure the rails together. Each guide rail has a cross section defining a channel. A ramped or inclined lip is disposed within the channel, and is engaged by the end of a flange provided on the clamping plate to force the flange toward an inwardly facing stop surface defined by a wall of the guide rails. A series of set screws provide relative downward movement of the clamping plate, to cause the end of the flange to ride on the inclined surface and to force an outwardly facing surface of the flange against the stop surfaces of the guide rails. In this manner, the vertical guide surfaces of the guide rails are automatically aligned with each other when the rails are secured together. The clamping plate includes a second flange, which engages a supporting surface formed on a second inwardly extending lip.

Abstract: A piling cutting tool (10) comprising a piling cutting jig (12) and chain saw (14) engaged therewith. The jig (12) includes a rectangular frame (38) having levels (94) and (96) on the top wall (48) thereof. A receiving tube (58) is attached to the frame (38) and sized and shaped to receive an adapter shaft (84) attached to the chain saw (14). The height of the chain saw (14) is adjusted by a rod (70) and locked into the desired position by locking lever (74). The shaft (84) rotates about the longitudinal axis of the bore (68) to swing the cutting chain (30) through a cutting arc to thereby make a horizontally level cut across the piling (54).