Abstract: A substrate cutting system for performing a substrate cutting operation wherein a substrate portion is cut from a selected substrate comprises a cutter guide and a substrate cutter. The cutter and the cutter guide enable the substrate cutting operation to be performed by engaging a substrate engaging surface of the cutter guide with the selected substrate, penetrating the selected substrate with a blade of the cutter, and then moving the cutter with guidable and guiding surfaces of the cutter and cutter guide, respectively, engaged with one another such that the guiding and guidable surfaces cooperate to guide the cutter so that the cutting edge of the blade cuts the selected substrate along a cutting path generally similar to the guiding surface to cut the substrate portion from the selected substrate and provide the substrate portion with a peripheral geometric shape determined by the cutting path.

Abstract: A portable saw guide and T-square and method of use where an accurate and straight saw cut is desirable. The T-square saw guide has an alignment arm and a flexible guide arm which can be quickly and accurately secured to a work piece such as a sheet of plywood by a clamping mechanism in order that a worker may use a guide edge of the T-square to accurately maneuver and guide a saw along a desired course despite variations in the surface of the work piece. The guide arm forms a flush linear contact between a surface of the workpiece and the saw guide to compensate for any non planar irregularities such as a bow, sag or warp in the work piece to cause continuous contact between the saw being guided along the guide edge of the T-square to produce a straight cut along the work piece.

Abstract: A cut off apparatus is provided to be in line with a roll-forming machine and sweep-forming apparatus, and is particularly adapted for adjustably receiving and perpendicularly cutting bumper-length segments from any elongated compound swept article. The cut off apparatus includes a frame having a base, support columns, an overhead support, and support braces. A movable carriage is mounted on the support columns for ascending and descending the support columns. A first arm is pivotally mounted on the carriage, and a second arm is pivotally mounted on the first arm. The first arm includes a stop block for engaging and carrying the second arm when the first arm pivots. A cutter housing is pivotally mounted on the second arm for receiving and cutting the elongated compound swept article. The carriage, first arm, second arm, and cutter housing are maintained in a substantially “weight free” state by a counterbalance means.

Abstract: A cutting apparatus for cutting a rail or other elongated workpiece includes a rotatable blade for cutting the rail, a blade cover for covering the blade, an engine (or motor) for driving the blade, and a frame for supporting the blade, the blade cover and the driver. The cutting apparatus further includes link mechanisms. One link mechanism supports the blade and the blade cover relative to the frame and permits the blade cover to move while maintaining a predetermined attitude during cutting. Therefore, the blade cover moves vertically and avoids hitting obstacles. Another link mechanism moves the driver while maintaining a predetermined attitude of the driver. Therefore, the driver remains level during cutting.

Abstract: Cartons of the type used for domestic milk supply may be more readily opened if a portion of the ridge that extends above the wings of the carton is first severed between the wings and the heat sealed closure so that the severed portion of the ridge may be folded back from above the wings or removed by a further cut across the ridge to the first line of sever. The wings are then free to be folded back and pressed inward to open the carton to form a pouring lip. A device for opening cartons comprises a thin blade secured to a handle and hinged within a shrouded recess in a two-part housing. Handles act about the double action hinge to move the blade across the slot to sever a portion of the carton ridge positioned in the slot. A tongue (not shown) holds the device in alignment with the ridge to ensure that the severing is below the sealed portion of the ridge.

Abstract: The present invention relates to a device for holding tile during cutting to obtain defined angles, preferably 45.degree. angles. The present invention further encompasses a method for using such a device in combination with a table-style tile cutter, preferably one using a roller tray with a lip, to cut defined angles into various orientations of tile and, more specifically, tile caps. The device comprises a base having a bottom and at least two straight edges that meet in a right angle in a corner of the base. In its preferred embodiment the base includes two grooves. One of the grooves includes a curved section shaped to mirror and support the concave side of the curved nose of a standard bullnose tile cap. The other groove includes a curved section shaped to mirror and support the convex side of the curved nose of a standard bullnose tile cap. These grooves allow for holding and supporting tile as aligned by the base for cutting pre-defined angles into various orientations of the tile.

Abstract: An apparatus for cutting running workpiece includes a cutter for cutting, while the workpiece is running, the workpiece continuously supplied to run in a direction, and a travel member secured to the cutter, movable along the workpiece in contact with the workpiece. Since the travel member movable along the workpiece in contact with the workpiece is secured to the cutter, the cutter can follow a workpiece which is straight, curving or curving with a changing curvature. The cutter can be supported to be two-dimensionally movable to cut the workpiece in any form.

Abstract: A powered circular saw blade on a vertical shaft is supported on a slide which is slideably mounted on a guideway having feet to enable moving the assembly around on a building sub-floor. The feet are adjustable to enable raising or lowering the guideway base and, thereby, the saw blade. A blade guard is affixed to the guideway base and shaped to admit the saw assembly to an inside corner of a building room. The blade is normally retracted behind the blade guard but can be advanced to position ahead of the guard as the guard is braced against a door jamb or the like and the slide is pushed toward the door jamb to advance the blade into cutting position. Immediately upon release of the advancing force manually applied, a return spring returns the blade to retracted protected position.

Abstract: The invention relates to a cutting apparatus for cutting out at least one strip from a roll with rolled up sheet like material. The apparatus is equipped with finger means which lift out a suitable distance from the roll the layer from which the strip will be cut out. A cutting tool means is placed near each finger means in order to cut through the material. Each cutting tool means is a motordriven, rotating blade driven with a peripheral speed which is considerably higher than the speed with which the cutting apparatus is moved along the roll, or an oscillating knife or the like. During the cutting out operation the cut out strip is rolled up on a rotating roll core means with a torque-adapted rotation. A strip-tensioning arrangement distributes the tensile forces from the rotating roll core means to the strip at the middle of the width of the strip and is placed at the middle of the width of the strip between the cutting tool means and the roll core means.

Abstract: An improved carving blank and mandrel for mounting the blank in a carving machine enables accurate carving of prosthetic and orthotic positive shapes. The blanks are simple to mount and dismount and means are provided enabling a repeatable mounting position in one angular orientation only to be achieved. The blanks are firmly fixed in place on the mandrel during the carving operation, and they are simple and inexpensive to manufacture thus reducing manufacturing costs while achieving high shape accuracy.

Abstract: A saw guide to enable a user to cut a straight line using a hand saw consists of a base having a slot formed therein which divides the base into first and second side-by-side sections. A fixed guide is mounted above the first section, with the central portion thereof being spaced apart from the base to form a cavity into which the board or other work to be cut is inserted. An adjustable guide is mounted above the second section, with the central portion thereof forming an adjustable cavity through which the board cut project. The adjustable guide includes manually operable adjustment knobs at the upper end of threaded bolts which extend through the ends of the adjustable guide and, at their lower ends, screw into threaded collars in bores within the base. As the knobs are turned, the adjustable guide descends, thereby decreasing the height of the adjustable cavity until the adjustable guide clamps against the board and holds it tightly against the base.

Abstract: The present invention relates to a method and hardware for bonding together nds of a sealing strip. The method of the present invention comprises the steps of cutting a slot in both a first end and a second end of a sealing strip, inserting an attachment strip having a plurality of engaging members into the slot cut into the first end, applying adhesive to the second end of the sealing strip, and placing the two ends of the sealing strip into an abutting relationship by inserting the attachment strip into the slot in the second end and sliding the ends together. The hardware used to effect the method includes an alignment guide having a substantially C-shaped channel for receiving the ends of the sealing strip to be joined together. The alignment guide has an end cap associated therewith having one or more slots for receiving a cutting tool for cutting slots in the ends of the sealing strip. The hardware further includes an attachment strip which is used to join the ends of the sealing strip together.

Abstract: A cutoff apparatus is adapted to be positioned adjacent a roll-forming machine, and is particularly adapted for adjustably receiving and cutting bumper-length segments from a swept elongated shape made of high strength steel being extended from the roll-forming machine. The cutoff apparatus includes a carriage with rollers for rollingly engaging the elongated shape to align the carriage with the elongated shape, the carriage being adapted to periodically move with the roll-formed shape for a short distance as the roll-formed shape is being formed. The cutoff apparatus further includes a blade operably mounted to the carriage for cutting segments from the roll-formed shape on the fly.

Abstract: A jig for positioning a press plate is used with a punch press which perforates the press plate to define reference holes or recesses that will be used to position the press plate in a printing press. While pins of the jig are being fitted in respective reference holes or recesses defined in advance in the press plate, reference end surfaces of the jig are held against a reference surface of the punch press to position the press plate in a first direction in which the press plate is inserted into the press plate. Then, other pins of the jig are fitted in a groove of the punch press to position the punch press in a second direction that is normal to the first direction. With the press plate being thus positioned, it is perforated by the punch press. Holes or recesses thus formed in the press plate have a certain positional relation to the reference holes or recesses already defined in the press plate, and will be used as a positioning reference when the press plate is set on the printing plate.

Abstract: A guide arrangement for portable power saws is made up of a guide plate adapted to be placed on the work and a stand plate fixed to the saw. The guide plate possesses a raised rail running in the feed direction of the saw. In use, the saw with the stand plate is placed on the guide plate so that a socket in the stand plate fits round the rail and the stand plate may then be moved along the guide plate on the rail, the guiding section straddling the rail and guiding the stand plate on the rail. The stand plate is fitted with a backlash limiter having an operating part acting against the side of the rail for reducing play between the rail and the stand plate. This means that the saw is guided in the length direction parallel to the rail of the guide plate and it is possible for straight cuts to be sawn with a high degree of accuracy without any danger of the saw running askew.The backlash limiter may take the form of a spring loaded member or one driven by a screw or threaded rod.

Abstract: The present invention relates to a device for cutting the casing on baked carbon electrodes. The device comprises a ring (1) which is freely suspended about the electrode. At least two clamping shoes (7) having vertical extending cutting edges (17) are pivotably suspended to the ring (1). The clamping shoes (7) can be pressed against the casing (3) by means of first hydraulic cylinders (14). On the top of the ring (1) a chain (18) having a plurality of cutting wheels (19) is arranged. One end of the chain (18) is secured to a second hydraulic cylinder (26) and the other end is secured to the piston (27) of the second hydraulic cylinder (26), whereby the chain (18) can be tightened about the periphery of the electrode (2). A third hydraulic cylinder (29) is secured to the ring (1) while the piston (28) of the third hydraulic cylinder (29) is secured to the claim (18), whereby the chain (18) can be moved backwards and forwards along the circumference of the casing (3).

Abstract: An improved cutter for carpet tiles is provided which can be used to quickly and accurately cut individual tile sections for completing a carpet installation between previously laid field tile and adjacent baseboards or walls. The preferred cutter includes a base plate together with a depending stop designed to engage the exposed edge of a field tile; a horizontally reciprocal, carriage-supported knife blade is mounted adjacent and above the upper surface of the plate in alignment with the stop. In practice a tile to be cut is slid under the knife until it engages the adjacent wall, whereupon the knife is moved horizontally to cleanly cut a tile section for insertion in the space therebelow. Use of a cutter in accordance with the invention can double or even triple the work output of an installer, as compared with conventional trimming practices.

Abstract: A machine for cutting out flat material comprising a support for the flat material, a carriage guided for displacement along the support by at least one guide rail, the carriage bearing a beam extending above the support and pivotable, in relation to the carriage, about an at least approximately vertical, first pivot axis, this beam having at least two arms interconnected by a joint having a second pivot axis parallel to the first pivot axis and the outer arm of said two arms bearing a cutting mechanism pivotable, in relation to the outer beam arm, about a third pivot axis parallel to the first pivot axis and a foot of the cutting mechanism being in contact with the support during operation. In order to simplify the construction of the beam but still ensure that the cutting mechanism always rests perpendicularly on the support, this cutting mechanism is adapted to swivel, in relation to the support, about a tilt axis parallel to the support and rests with its foot on this support.

Abstract: The squeegee blade trimmer of the present invention includes a pair of back to back C-channels having mounted along one side thereof a pair of shear bars, along with a pair of parallel extending tracks. The C-channels are hinged together on their opposite side and a press clamp mechanism is provided for selectively drawing the channels together. A blade holder is provided with a pair of runners for running along the tracks such that a worn, flexible squeegee blade may be placed between the shear bars and the blade holder run along the tracks causing a laterally extending blade edge to sever a worn edge of the squeegee blade from the body of the squeegee thus leaving a fresh, clean straight edge.

Abstract: A portable sawmill is constructed to produce dimensioned lumber from logs in remote logging locations. The portable sawmill employs but a single, disk shaped rotating blade which is powered by a relatively low horsepower engine. The engine and blade are mounted upon a carriage which traverses the length of a log to effectuate first a horizontal cut and then a vertical cut with a single saw blade in returning along the length of the log. The blade is oriented for vertical cutting as it progresses along the track away from the operator. The orientation of the blade is automatically reversed at the remote end of the log. The saw blade then cuts the log while in a horizontal orientation as it returns to the operator position. The maximum speed of longitudinal traverse of the carriage is separately adjustable for both vertical and horizontal cuts.

Abstract: A detachable and slideable fabric guide is used in combination with a sewing machine and adapted to bridge a sewing machine bed of a certain width, the fabric guide comprising an elongated main body made of an elastic material with sides which comprise vertical opposite faces, at least one of which is used to contact a fabric edge during stitching operation. The opposite ends of the main body are respectively curved down to integrally form hook portions which are, terminated with opposite abutments or grips each extending laterally of the main body. The opposite abutments normally define therebetween a predetermined distance a little smaller than the width of the sewing machine bed, which distance may be enlarged due to an outward flexing of the hook portions. One of the vertical faces of the main body is provided with a pair of walls protruding laterally therefrom to define therebetween a groove extending the substantial length of the elongated body.

Abstract: A portable saw mill apparatus includes a frame carrying supporting wheels, outriggers and a trailer hitch. A horizontal, unitized tubular track is secured to the frame and a carriage is moveable along said track. Mounted on the carriage is a horizontal, cantilevered band saw which is moveable vertically. Logs are received on support members secured to the frame, and the band saw is moved longitudinally of the frame to make successive cuts of the saw. Lowering of the band saw between successive passes provides for spacing of the cuts of the log. A single lever control enables the operator to positively engage or brake the band saw, and also to control the engine throttle.

Abstract: A tip stabilizing device for attachment to a portable power chain saw or the like for improving its operation and safety. When attached to the forward end of the chain saw guide bar, a plurality of spikes extend forward, backward or outward to the sides of the guide bar to engage an adjacent log or other supporting surface or the object being cut by the saw to stabilize the saw tip. The forces generated at the chain/wood interface are utilized to keep the tip stabilizing device in operative engagement with such surface.

Abstract: The present invention relates to an apparatus for the slicing of items or products such as croissants and/or sandwich buns to minimize risk of injury and to assure uniform slicing, even with variations in the dimensions of the product. The apparatus comprises a holder for the item to be sliced on a support stand having a fixed surface and a movable cover. A support member spaced between the fixed surface and movable cover supports the item in alignment with a knife or slicer guide so that a user can slice an item such as a roll or croissant uniformly without risk of injury.

Abstract: A device for making miter cuts in workpieces includes a saw guide pivoted to either a bottom surface B or a top surface A of a board. The saw guide includes two plates spaced above the board surfaces by a pivot assembly and a swing assembly. Almost any commercially available circular power saw may be accommodated by placing the saw base on the plates, positioning the saw blade within alignment slots in the assemblies, and adjusting rails on the plates against the saw base. A keeper on one of the rails prevents the saw from jumping out of the saw guide. When the rails are properly adjusted, the circular saw blade will travel along a saw line between the plates from alignment slot to alignment slot. The top surface A of the board has a straight edged backup adjacent a planar work area. 90.degree. and 45.degree. stops on the top surface reliably and accurately position the saw line normal to or at a 45.degree. angle to the straight edge and aligned with 90.degree. and 45.degree. slots in the backup.

Abstract: A perforating jig assists a punch in perforating cards or sheets for insertion into a loose-leaf notebook or ring binder. The perforating jig comprises a folded plate body or two superimposed plates having in a folded or joined edge thereof a plurality of recesses or notches in which a front perforating end of the punch can be fitted. A card or sheet which it is desired to perforate is inserted between the two plates until an edge of the card or sheet is exposed through the recesses. Then, the perforating end of the punch is inserted into the recesses in turn to perforate the card exposed in the recesses.

Abstract: A Power Miter Saw guided by slide rails and with adjustments on all three axes so that it can be set to cut miter corners of 4, 6 or 8 sided picture frames, with precision angles of (+ or -) two minutes, and built of rigid enough construction so that the miter saw will continue to cut with precision angles over a long period of time without requiring readjustment.

Abstract: A portable sawmill is provided in which a rigid straight channel support is placed on a floor or on the ground with one end slightly elevated. A pair of longitudinally spaced log supports are mounted in the channel piece at a distance corresponding to the length of a log to be placed thereon. A carriage with rollers is mounted to ride along the upturned edges of the channel piece and is adapted to roll by gravity from the elevated end of the channel piece to the lower end. The carriage includes a bandsaw driven by a low horse power motor and is equipped with a release mechanism for automatically disengaging the drive between the motor and the saw at the end of a cutting stroke. A jacking mechanism and adjustable shelves on the log supports are included for raising the log to a new height after each cut.

Abstract: A template used in assisting in cutting off a bottom of a door so that the bottom of the door is parallel with the floor, but is raised a sufficient distance from the floor to allow a floor covering to be installed on the floor has an elongated member sized to fit across the width of one of the face surfaces of the door. The elongated member includes an elongated slot or opening extending across it and this slot or opening is normally parallel to the bottom edge of the elongated member. A retaining member located on one end of the elongated member fixedly holds the elongated member to the door in respect to movement of the elongated member away from the door in a direction perpendicular to the door face but allows movement of the elongated member across the surface of the door in a direction coplanar with both the face of the door and the elongated member.

Abstract: A variable utility chain saw apparatus which includes a mounting frame, a mounting plate removably carried in the mounting frame and a portable chain saw secured to one side of the mounting plate and including a saw blade guide plate which projects through a slot in the mounting plate and supports and guides a flexible saw blade. A chain saw guard subassembly is pivotally connected to the mounting plate to protectively shield the saw blade without interfering with the sawing function of the blade. A supporting assembly adapted for securement to a cylindrical structure is detachably fastened to a support flange which is secured to, and projects from, the mounting frame. The supporting assembly can take several forms to facilitate usage of the saw apparatus for accomplishing several precision sawing functions in the field or at a workbench, all in addition to the customary manual usages of a conventional portable chain saw.

Abstract: A printing blanket hole forming apparatus and method are provided and such apparatus has a support for supporting an end portion of a blanket thereon, a locating pin fixed to one end of the support, a template having at least one template locating hole therein and a set of openings therein associated with the one hole with the template being positioned by disposing the locating hole thereof around the pin with an end portion of a blanket supported on the support enabling forming of holes in the blanket by extending an associated hole forming device through the openings in the template and into the blanket and as determined by the openings in such template .

Abstract: A framework mounted on a tractor has separate vertically adjustable feet to support it from the ground at a desired angle of tilt so that a circular saw, slidable on the frame and driven from the tractor, can be moved downwardly and forwardly to sever a tree along a slanting plane below ground level. The frame has a member engageable with a side of the tree to resist the tendency of the frame to move laterally due to reaction from the cutting load on the saw. A hydraulic motor advances the saw while the tractor remains stationary.

Abstract: A power tool track for adapting an existing power tool, such as an electric circular saw, so that it can effectively make accurate straight or angular cuts in wood.