Abstract: The preferred embodiment of the present invention comprises a pizza docking device having a pair of guides atop a pan and retaining a roller therein. Said roller has a plurality of pins thereon in spiral orientation. The device is dimensioned such that when an uncooked pizza crust is place on said pan, said roller may be traversed across said crust, docking it with perforations of a desired spacing and depth. A pair of shelves is provided in an elevated portion of said guides for placement of said roller up and away from said pan such that crusts may be placed and removed.

Abstract: An auto-aligning ribbon splitter which can be used on any size optical fiber ribbon made by any manufacturer. The auto-aligning ribbon splitter centers an optical fiber ribbon over a first splitting edge so that it can be split into two sub-units each having an equal number of optical fibers therein. The auto-aligning ribbon splitter includes a bottom plate having a channel. The channel includes a first splitting edge. Two movable plates are disposed on the bottom plate so that they are parallel to, and are centered about, the first splitting edge. A mechanism, such as an adjustment rod, is connected to the movable plates to change their position relative to the first splitting edge, but maintain each plate at an equal distance from the first splitting edge. A second splitting edge, on a top body, may then be pressed against the centered ribbon to cause an initial split between two sub-units, as the top body pushes half of the ribbon into the channel on the bottom plate.

Abstract: A device for severing a bonding strip located between and securing together two rigid panels, one of which may be of glass. The device has a flat elongated blade intended, in use, to be inserted between the panels to sever the bonding strip. The device is provided with a rest mechanism adapted to sit on one of the panels being separated to guide reciprocation of the elongated blade, whereby the blade reciprocates in a direction parallel to the panel being separated.

Abstract: A hand operated trimmer for trimming an edge of vinyl, carpet or the like being installed on a floor so that the cut edge of the floor covering will lie closely against an adjacent wall. The trimmer comprises an elongate base member and an integral cutting blade. The base member has a generally triangularly shaped cross section, with two of the elongate external surfaces of the base member meeting at a right angle, and the elongate external surface opposite the right angle being a concave surface. The cutting blade is mounted closely adjacent the concave surface and in a substantially perpendicular relationship thereto. Pressure applying rollers are spaced a slight distance from the concave surface so as to define a vinyl-receiving entry location for a vinyl sheet to pass in a longitudinal direction along the concave surface, with the pressure applying rollers serving to keep the vinyl sheet in close contact with the concave surface.

Abstract: A stripping tool for removing clothing, and the like, in emergency situations. The present tool allows for clothing to be stripped from a patient quickly, safely, and efficiently. The stripping tool may be pulled toward the operator of the tool for quickness and ease of use. A handle provided to be used within the operators palm creates an ergonomic, comfortable grip. The handle allows a blade to be pulled upward in a scissoring motion to start a cut in fabric. Therefore, thicker, and heavier fabric may be removed since an initial cut may be made.

Abstract: A knife has an elongated handle having an outer end and a longitudinally extending flat blade secured in the handle and projecting from the outer end. The blade has a transverse outer edge and a longitudinally extending side cutting edge meeting at a point. The handle is formed with a pair of longitudinally outwardly open and longitudinally extending guides flanking the blade adjacent the cutting edge thereof. Respective longitudinally extending pins having generally parallel and transversely projecting outer ends sections are longitudinally displaceable in the guides between extended positions with the outer end sections lying longitudinally outward of the point and retracted positions with the outer end sections longitudinally rearward of the point and the blade passing between the outer end sections. Respective springs braced between the pins and the handle urge the pins into the extended positions.

Abstract: A device for removing burrs created on the lateral edges of ice skate blades during sharpening is provided. The device consists includes cutting insert of extremely hard alloy having at least one angled cutting surface. The cutting insert is secured in a recess located along one of the edges of a substantially flat rigid housing member such that the portion of the cutting insert having the cutting surface extends out from the housing member. The housing member is connected to a substantially flat rigid base member such that a channel is defined by a portion of the base member, the end of the housing member having the recess, and the portion of the cutting insert which extends out from the housing member. The housing member and base member are connected such that they may pivot slightly relative to each other, but remain substantially parallel.

Abstract: A cutter device comprising: a rigid rectangular support frame, including an elongate guide bar for positioning the frame at the edge of a web article; a transversely extending slide bar joined to and extending across a midportion of the rigid rectangular support frame, secured to the elongate guide bar; and a knife holder assembly which is transversely slidable on the transversely extending slide bar. The knife holder assembly comprises a main body member which is transversely slidable on the transversely extending slide bar, and which may be locked in a selected transverse position, with a knife blade secured on the main body member for engagement with a transversely inward region of the web article.

Abstract: A sheet rock measuring and cutting device, comprising: a T-square arm for abutment with an edge of a piece of sheet rock; a base scale arm positioned within the T-square arm for selective sliding interengagement therewith; and a sliding scale arm positioned within the base scale arm for selective sliding interengagement therewith. The sliding scale arm includes a cutting tool engagement member for receipt and positioning of a cutting tool at a measured distance from the edge of the sheet rock.

Abstract: An apparatus for variable length belt splitting includes a stepwise feeder which urges the belt, such as conveyor belt, forward in discrete steps and a reciprocating cutter disposed downstream from the feeder. The feeder preferably includes both a holding clamp and a feed clamp that is connected to, and is moved with respect to, the holding clamp by a feed actuator. The cutter preferably moves parallel to the holding clamp and is moved back and forth by a bi-directional ram. The cutter splits the belt edge to edge at a predetermined depth in length increments corresponding to the feeder's step length to a total length determined by the user. Optionally, the feeder and cutter are connected to a support structure which allows the feeder and cutter to be placed at an angle with respect to the path of the belt through the machine, thereby allowing for diagonal splits to be made with respect to the longitudinal axis of the belt without stewing of the belt.

Abstract: A cutting guide attachment for an electric knife including a plastic housing having an inboard portion for attaching the handle to an electric knife. It also includes an outboard portion operatively positioned to the reciprocating blades of the electric knife. The housing has first inverted U-shaped fingers ascending downwardly from the end of the outboard portion of the housing and second inverted U-shaped fingers extending downwardly from an intermediate region of the outboard portion of the housing. The first and second fingers have exterior arcuate recesses on one face thereof. A plurality of rollers is included having varying sizes positionable in nesting relationship one within the other. The interiormost roller has an extended length to be received within the recesses, whereby any number of nested rollers may be received upon the innermost roller for providing a surface of a predetermined diameter for rolling across the food to be sliced.

Abstract: A sheetrock panel cutting device that is attachable to the end of a conventional metal tape ruler and uses that same tape ruler to not only measure the opening but to also guide the cut of a sheetrock panel while accomplishing both these functions without removing the tape ruler therefrom. A utility knife is inserted into a preformed slot in a base plate which causes the blade of the knife to be aligned juxtaposed to the right angle clip of the tape ruler. The blade protrudes through the base plate and which is directly mounted against the right angle ruler end clip. The device is used to cut a rectangular panel of sheetrock of predetermined size from a full sheet by holding the utility knife, which is positioned in the device, against the sheetrock paper surface with one hand while grasping the metal tape ruler surface, at a previously measured position on the tape, with the other hand against the edge of the sheetrock panel.

Abstract: A cutting tool for cutting wall hanging material lying close to curved surfaces is disclosed. The cutting tool has a handle and a base. A blade is mounted on the base and is secured thereon by a retaining guard. The guard is rotatable around a post to a first position exposing the cutting edge of the blade and to a second position covering the blade. A guide is connected to the handle in a spaced apart position by a bolt which is securely attached on one end to the handle. The distance between the guide and the handle is adjusted by appropriately positioning the guide along the axis of the bolt. The guide is spaced a predetermined distance and fixed in the desired position with respect to the blade by a bolt engaging a threaded aperture in the guide and secured by a wing nut.

Abstract: A knife construction comprises a cutting blade coupled to a handle and a U-shaped guiding element rotatably coupled to the cutting blade and driven by a rotary pawl for adjusting the cut-width of the cutting blade, the knife further comprising a hollow block, constituting a part of the rotary connection of the guiding element to the cutting blade, for driving the guiding element with respect to the cutting blade, to cause the guiding element to abut on a cutting surface.

Abstract: A cutter for face cutting of carpeting is provided. The cutter includes a floor engaging base and a plate attached to the floor engaging base which is slidable along an inclined path forming an acute angle with the base to form between the movable plate and the base a forwardly facing carpet receiving slot having a longitudinal central axis. A downwardly and rearwardly inclined cutting blade disposed in a plane which is parallel to and spaced to one side of a longitudinal central axis of the carpet receiving slot spans the rear end of the carpet receiving slot at the same acute angle as that formed by the inclined path of the floor engaging base, and is secured in a blade housing having an open-ended slot to provide easy access for adjustment, removal, and replacement of blades. Also provided are coacting bearing surfaces for securing the lowermost end of the blade against deflection, and cutouts for preventing an accumulation of debris around the lowermost corner of the blade.

Abstract: A cutting guide to be removably attached to any one of a number of hand operated power cutting tools such as, for example, a circular saw for cutting a substantially planar workpiece. The cutting guide includes an L-shaped guide plate having first and second sets of channel ears affixed thereto. First and second position adjustable guide arms are slidable received through respective ones of the first and second sets of channel ears such that the guide arms are arranged in perpendicular alignment relative to one another. The first guide arm is selectively positioned to engage and travel along a side of the workpiece so that the cutting tool moves in a cutting path that is parallel to the side of the workpiece. The second guide arm extends to a point that is spaced from an end of the workpiece so as to move with the cutting tool towards and into engagement with the end of the workpiece to thereby limit the length of the cutting path to the distance from which the second guide arm is spaced from the workpiece.

Abstract: A slotter capable of providing a cut of precise depth into a tube is comprised of a main base and an adjustable roller base capable of extension and retraction from the main base, controllable by an adjustable over-center actuator linkage. A pair of roller sets securely hold the tube within the device. A cutting blade, straddled by a pair of limiting rollers, cuts into the tube. Cutting blade rotation is provided by a pneumatically powered rotational motor.

Abstract: A bow type knife provides an adjustment bar between the back and the blade to adjustably determine thickness of sliced material. The adjustment bar is pivotally mounted on two spaced support arms that are pivotally carried in angulated parallel orientation by the back to allow motion of the adjustment bar parallel to the back. An end portion of the adjustment bar proximal to the bow handle carries an adjustment screw that extends in angulated orientation through the bow body and through a nut carried in that body and projecting therethrough for manual manipulation to adjustably position the adjustment bar relative to the knife blade.

Abstract: A belt skiving apparatus is provided having a free-standing blade-carrying carriage mounting a pair of rollers defining a nip into which a belt end to be skived is passed. The rollers press together about the belt end to securely grip the belt, with at least one of the rollers being driven, preferably manually, through a crank arm. Rotation of the rollers advances the carriage relative to the belt to advance the carriage across the width of the belt. As the carriage is advanced, the belt is passed through the rollers and through a cutting blade disposed adjacent the rollers, with the blade slicing a thin strip of the upper portion of the belt adjacent its upper face from the remainder of the belt. The rollers may be driven by a ratchet arm to move the carriage along the belt end. Preferably, two pairs of rollers are employed on the carriage, one forward and one rearward of the blade to cut the uncut portion remaining at the trailing side of the belt after the belt passes through the forward roller pair.

Abstract: An incision device 10 is provided for precisely initiating and controlling the depth of an incision I in an artery A, such as a coronary artery A of a heart H, particularly while the heart H is beating. A handle 12 is provided for grasping by a surgeon and from which an arm 40 adjustably extends. A blade 70 is located at a free end 44 of the arm 40. A front depth control pin 80 and a rear depth control pin 90 are oriented parallel to each other and perpendicular to a plane in which the arm 40 and handle 12 are oriented and perpendicular to a cutting plane in which the cutting edge 74 of the blade 70 is oriented. The two depth control pins 80,90 together define a depth control plane with the cutting edge 74 of the blade 70 extending below the depth control plane to a desired maximum depth. The blade 70 is spaced sufficiently away from the front depth control pin 80 that the front depth control pin 80 can be located adjacent the artery A before the incision I is initiated.

Abstract: A plurality of blade supporting blocks are secured on the face of a base plate, which has a flange along one side thereof adjustably secured by bolts to one leg of a right angular support plate, the other leg of which extends beneath and in spaced parallel relation to the base plate. Adjustably mounted in each of one or more recesses in each block is a cutting blade, the lower cutting end of which extends through one of a plurality of spaced slots in the base plate. In use, the support plate supports the base plate above the carpet that is to be cut, and with a plurality of cutting blades extending beneath the base plate.

Abstract: A plastic bottle cutting implement for reducing a plastic bottle such as a PET bottle to an easily compactible form for disposal comprises a cylindrical or part-cylindrical covering member and a blade disposed projecting from the inside surface of this covering member, and the direction in which the blade projects has any angle other than perpendicular and parallel with respect to the imaginary center axis of the cylindrical covering member. A grip part is attached to the outer side of the covering member. The grip part is bar-shaped and is attached projecting from the outer side of the covering member, a hollow part connecting with the inside of the covering member is formed inside the grip part and a sliding fitting slidable inside the hollow part and fixable in any position inside the hollow part and a blade having one end thereof attached to the sliding fitting are disposed inside this hollow part.

Abstract: An edge guided tool for scoring flat panels comprises a cutter assembly sliding on a track mounted on a conventional T-square vertical rail. A cutting tool body supporting a cutting plate over a panel to be cut is slideably mounted in the track on a resilient spring plate such that when the cutting blade is urged down toward the panel on the bending spring plate, the slide is urged against track sides to prevent further sliding, locking the slide and the blade in an alignment position. With the blade locked parallel to a T-square fence rail, as the T-square is moved with its fence rail abutted along a panel edge as a guide while the cutting blade is urged into the panel, the panel is scored along its length parallel to its length.

Abstract: A compact, reliable and convenient drywall-sheet trimmer has opposed cutter disks (7, 8) positioned rotationally in opposing walls (3, 4) of a trimmer channel (2) having a slide bar (19) that is adjustable in positioning intermediate the opposing cutter disks and a channel bottom (21). Pinion teeth (25) on an adjustment shaft (24) are rotated by helical worm gearing (28) with an adjustment knob (30) to actuate rack teeth (26) on slide rods (22) attached to the slide bar for adjusting distance of the slide bar from the cutter disks to control widths of trimming cuts. Surfaces of drywall sheets (6) are scored or cut to cause the drywall sheets to be breakable by applying bending moment along lines of scored or cut surface material and/or indentations caused by cutting entry of the opposed cutter disks.

Abstract: A hand tool for slabbing a roll of paper, comprising an elongated carriage frame having handle means affixed thereto. The hand tool also has casters mounted on each side of the carriage frame for movably supporting the frame along an upper segment of that roll. There is also provided a blade carrier attached to the elongated frame and a cutting blade mounted in that blade carrier. During use, the cutting blade extends beneath the elongated frame, with a cutting edge thereof facing towards a forward end of the frame. The elongated frame may also comprise a pivotally lockable blade guard enclosing the cutting blade when the hand tool is lifted off a work surface, for further enhancing a safe handling of the tool.

Abstract: A surgical knife for use in ophthalmic surgery includes a bladeholder assembly holding a surgical cutting blade, with the bladeholder assembly sliding into and out of a hollow knife handle, and a plunger mechanism manually operable to move said bladeholder assembly to a position where the cutting blade is exposed and usable for surgery. The knife also includes a depth of cut control which sets the depth to which the blade is used to make an ocular incision and which allows the plunger mechanism to extend and retract the bladeholder assembly without changing the depth of cut. A modified micrometer scale allows the depth of cut to be conveniently changed by a given distance without recalculating the cutting depth.

Abstract: A cutting tool capable of cutting slices of a predetermined thickness. The cutting tool includes an elongate handle, a sheet-like blade connected to the handle and having a sharpened lower cutting edge, an L-shaped support piece connected onto the blade adjacent to the handle, the support piece having a part thereof perpendicular to the blade and provided with an internally threaded hole, a press piece consisting of a press seat, a horizontal upper portion and a vertical portion perpendicular to the upper portion, the press seat being dimensioned to match the part of the support piece with the hole and having an elongate slot, the vertical portion having a width slightly greater than that of the blade, and a rotary knob having a cap and a shaft projecting from a bottom thereof, the shaft having outer threads for matching the hole of the support piece so that the shaft may be passed through the slot of the press seat and locked in the hole of the support piece.

Abstract: A cutter for simultaneously severing opposed sides of a drywall panel. The inventive device includes a guide assembly for sliding along an exposed edge of a drywall panel. Support columns project from the guide assembly for positioning along respectively opposed front and rear faces of the panel. Cutting assemblies are secured to lower ends of the support columns and engage the faces of the panel to effect cutting of the panel along a line parallel to the exposed edge as the guide assembly is traversed thereover.

Abstract: A carpet strip cutter assembly having an elongated base plate, a vertically oriented elongated left side wall connected to the base plate, and an elongated cantilevered support arm perpendicularly oriented to the left side wall. The cantilevered support arm is reciprocally mounted in the left side wall. A blade mounting assembly is secured to the front end of the cantilevered support arm and it has a blade extending downwardly therefrom. The blade is oriented above a line of grooves in the top surface of the base plate and removably received in one of the grooves. There is structure for vertically adjusting the height of the cantilevered support arm so that various heights of carpet can be cut into strips of carpet having predetermined widths.

Abstract: A cutting implement with an adjustable guide, such as a knife, includes a handle, an elongated blade, a guide adjustable with respect to the blade, and a knob substantially received in a cavity formed in the upper region of the handle. The knob protrudes from the cavity and cooperates with the guide so that a user can adjust the space between the guide and the blade by rotation of the knob.

Abstract: This invention discloses a surgical knife which is suitable for use in astigmatic radial keratotomy, and similar procedures and which includes an elongated diamond blade, a blade holder, and a rocking foot plate means pivotally attached to the knife body, and a method of performing a radial keratotomy procedure utilizing such a knife. Said rocking foot plate means has a lower surface for contacting and rocking over a peripheral portion of corneal tissue during a keratorefractive incision. The ability of the foot plate to rock assists surgeons in more precisely controlling blade movement during delicate surgeries, such as radial keratotomy.

Abstract: The present invention provides for cutting devices used in conjunction with a flexible measuring tape to cut drywall. The end segment and angled tab of the measuring tape are retained between two body components of a unit having an extended knife blade. Optionally, a guide unit is provided for attachment to the measuring tape in order to guide the cutting device in the preparation of cuts of uniform width and sufficient cutting depth to break the sheet along the cut.

Abstract: A food cutting apparatus for cutting food contained in a rectangular pan, the food cutting apparatus having a plurality of food cutting blades connected to a holder for the blades, the improvement including an elongated, generally flat rectangular blade holder for holding a plurality of food cutting blades, the blade holder having two elongated parallel edges connected by two parallel ends being aligned perpendicular to the two parallel edges, the two parallel ends being shorter in length than the two elongated parallel edges, two openings therein for receipt of the fingers of the two hands of the user, a blade holding device in at least one of the two elongated edges for receiving and holding each of the plurality of food cutting blades, and indicia adjacent to at least one of the edges for positioning the cutting blades at a selected location, and two guides connected to the blade holder for slidably contacting each of the two parallel edges of the pan.

Abstract: A rotary knife for slicing thin strips from comestible product comprising a handpiece, a blade housing removably secured to the handpiece and an annular blade supported for rotation by the blade housing. A rotary driver is carried by the handpiece and engaged with the blade. A power drive is connected to the rotary driver. An annular gauge is detachably secured to the handpiece and blade housing for controlling the thickness of the strips sliced by the knife. The gauge includes a portion substantially concentric with and at least partially encircled by the blade and the blade housing for controlling the depth of cut and an end portion that flares radially outward and is located beyond the axial extent of the blade housing to direct the cut strip. A deflector on the handpiece directs fluid separated from the comestible product in a direction away from the handpiece.

Abstract: A cutting head stabilizer for controlling the movement of the substantially U-shaped cutting blade of a tire groover. The stabilizer facilitates the rapid and precise movement of the substantially U-shaped cutting blade about the gripping surface of a tire.

Abstract: In order to facilitate a scoring of a sheet of material such as drywall, plasterboard, wallboard or the like, an apparatus includes a pair of arms each having an upper end and a lower end where the arms are spaced apart to define a sheet-receiving channel for receiving the sheet of material therebetween. The lower ends of the arms define an entry point for the sheet of material so the sheet of material can be placed between the arms and within the sheet-receiving channel with the sides generally perpendicular to a plane defined by the arms. The upper ends of the arms are connected to accommodate relative movement of the lower ends of the arms toward and away from one another. The apparatus includes a cutter for scoring at least one side of the sheet of material which is operatively associated with at least one of the arms at a point located generally remote from the upper end thereof.

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: A carpet cutting knife guide for cutting overlapping adjacent edges of two pieces of carpet to be laid adjacently on a floor. The guide has two lateral members substantially parallel to each other and spaced from each other. A platform member extends from the first lateral member to the second lateral member and has an opening through which at least a blade of a carpet cutting knife member can pass to thereafter be positioned substantially at the floor. The opening has in conjunction therewith at least one friction fit means whereby a portion of the knife member can be releasably retained. The platform member is constructed of a flexible material such that exerting a force thereon causes the knife member to limitedly move substantially perpendicularly toward the floor. Wheels are provided for manually moving the guide over the overlapping edges of the carpet to be cut.

Abstract: An improved drywall cutting and scoring device which can quickly cut drywall transversely, longitudinally, and at right angles, without the need for separeate measuring, marking, chalk-lining, and cutting steps. The device includes an elongated measuring bar (14), having four planar measuring indicia extending longitudinally between its opposite ends. Telescopic guide rails (22, 24) extend from one end of the measuring bar, parallel along its length in a laterally spaced relationship. A drywall panel is cut by first depressing the locking button (48) and then moving the adjustable block (10) to any selected setting. The tool is positioned on the drywall panel (68) so that the adjustable block is mounted against one edge of the drywall panel. Rollers (46) rollably ride on the face of the drywall panel adjacent the panel edge against which the associated adjustable block is adapted to slide.

Abstract: A combination T square and cutter comprising a main segment formed in a long planar rectangular configuration with parallel long side edges and parallel short side edges. The main segment includes a centrally located long rectangular aperture which extends the majority of the length of its long sides. The long side edges of the aperture include an undercut groove. A cross bar is formed in a planar rectangular configuration with parallel short edges and parallel long edges. The central portion of the bar is coupled to the lower surface of the main segment. A slide base is formed in a planar rectangular configuration with parallel long edges, parallel short edges, an upper surface and a lower surface. The short edges of the base are adapted to fit within the grooves in the aperture of the main segment. The base includes a coupling device on its upper surface.

Abstract: A cutting tool comprising two cutting members positioned side by side and each having a toothed cutting edge of substantially the same shape. The cutting member being mounted on respect eccentrics of a drive shaft coupled to a motor. The cutting member being guided by respective control links so that the cutting edge of each cutting member prescribes simultaneously in the plane of the toothed edge, simultaneous oscillatory movements in the direction of the toothed edge and in the direction of right-angles thereto. The corresponding movements of the respective cutting members being out of the phase, preferably by 180.degree. and the teeth of each cutting edge being adapted to each cut when moving individually in the direction of the toothed edge.

Abstract: A circular power saw includes a housing enclosing a motor and a circular saw blade rotatably driven by the motor. The housing is pivotally mounted to a base so that the saw blade may be positioned in a plurality of cutting planes. An adjustment member is mounted to the base and connected to the housing to releasably retain the housing in a plurality of positions corresponding to the different cutting planes. The adjustment member has first and second stops that correspond to first and second planar positions of the cutting blade and a stop engagement member is adapted to engage the first and second stops. The stop engagement member has a first configuration wherein the first and second positions planar positions define the limits of the planar positioning of the blade. The stop engagement member has a second configuration where at least one planar position different than the first and second planar positions defines a limit of planar positioning of the blade.

Abstract: A tool for precisely severing sheet material at a uniform predetermined distance from the line of intersection of two surfaces. A wide variety of precise cutting operations may be performed, including operations that leave a uniform predetermined overlap and operations that precisely sever the sheet material at the line of intersection. The tool has a body with a flat bottom surface, a straight front edge, a beveled surface extending between the front edge and the bottom surface and thumb screws for securely retaining a cutting blade. Also disclosed is a removable spacer plate which may be engaged with the body to perform additional cutting operations.

Abstract: The present invention comprises a sizing and cutting tool for accurately and quickly producing pieces of wall board of predetermined size from a larger sheet, wherein a cutting instrument is affixed to one end of a bar, and having a sizing plier disposed in releasable gripping relation along the bar, and adapted to grip said bar at a determinable distance from said cutting instrument to thereby determine a dimension of the piece to be cut, and wherein the sizing plier includes a flange adapted to slide on a reference edge of the wall board, and a cam for engagement with the face of the wall board to permit limited rotation of said tool relative to the surface of said wall board during cutting thereof.

Abstract: A border cutter for use with a cutter blade carrier for cutting a strip of carpet, the carrier having a blade plate for a cutting blade, the border cutter including a surface plate for movement along a piece of carpet, and having a guide edge and a cutting blade opening normal to the guide edge, and having spaced guides with aligned slots for receiving the carrier plate for positioning a blade at the blade opening. The spaced guides extend parallel to the blade opening, with each guide having a plurality of slots extending therealong in alignment with the slots of the other guide, providing a plurality of locations on the surface plate for the blade carrier. One of the spaced guides includes a channel for receiving a guide toe plate of a blade carrier support of the blade carrier.

Abstract: A hand-operated tool for cutting fibrous compressible insulation batts, and similar fibrous compressible materials. The tool, includes an elongated cutter blade housing, and a planar sheet of plexiglass, bent into a "C"-shaped configuration. End portions of the "C"-shaped plexiglass sheet fit over the ends of the cutter blade housing, so that the "C"-shaped sheet forms a presser element for the insulation batt, when placed on the top surface thereof. When the cutter blade is drawn through the batt material, the presser element compresses the material into a relatively small thickness, so that the cutter blade is enabled to completely penetrate the batt material. An insulation batt, therefore, can be neatly and completely severed, with one pass of the cutting tool.

Abstract: A drywall measuring and cutting tool has a guide riding the edge of a sheet of drywall and, normal thereto, a graduated rod. A knife is fastened to the rod, and can be rotated for shallow or deep cuts. The guide has an opening through which passes the graduated rod. Idle rod length thus projects away from the knife, avoiding interference with the floor of a drywall truck when cutting drywall carried by the truck. When making repeated narrow scores, measurement and addition of numbers possibly including fractions are avoided by aligning graduation marks with score lines. Adjusting for new width cuts is performed without tools. The knife is adjustable for right or left hand operation.

Abstract: A paper cutter particularly one comprising a base, a cutter holder, a blade, a spring wire, an adjusting spring plate, an adjusting knob, an intermediate plate, and a top cover in which a notch is designed at a corner of the base for extension of a blade, the cutter holder is pressed by the adjusting knob with a plurality of protuberances of different diameters to adjust the extent of blade extension for cutting of paper of different thickness without damaging paper beneath it, and the cutting is proceeded by sliding a flange of the base on the paper to assure precise cutting.

Abstract: An oval mat cutter allows the continuous adjustment of the overall size of the oval as well as the difference between its larger and smaller axes. The cutter may also produce circles. The cutter separates the knife from a first point which it keeps in a first groove. It separates this first point from a second point which it keeps in a second groove lying perpendicular to the first. A generally circular motion of the cutter while maintaining the two points in their respective grooves creates the desired oval. Making the two points in their respective groove coincide with each other will result in the production of a circle. The knife that makes the actual cut sits next to a wheel whose outer circumference has a sharp ridge. The knife has configurations where it extends to various distances beyond the edge of the wheel and one in which it sits within the wheel's circumference. To make a clean cut, the wheel, with the knife retracted, makes a groove in the mat.

Abstract: An improved cutter is provided for a plasterboard sheet, used in conjunction with a conventional T-square having a head and an elongated rule extending at a right angle from the head. The improved cutter consists of a mechanism for retaining a utility blade on the elongated rule of the conventional T-square in a proper position. When the head of the conventional T-square slides along one straight edge of the plasterboard sheet, the utility blade will make a score line across the plasterboard sheet, whereby a piece of the plasterboard sheet can then be snapped off.