Abstract: A food chopper and cutter has at least two rotary cutting elements which are mounted on a common shaft and are rotatable relative to a common handle. Movement of the cutting elements conforms to the contours of the inner surface of a salad bowl to quickly and efficiently cut salad. The cutting elements are also movable in a substantially perpendicular direction relative to the plane of the inner surface of the salad bowl to provide a chopping action in addition to the rotatable cutting action.

Abstract: The edge profile cutter includes a slidable base, a first cutting blade, and a second blade. The slidable base includes a base portion, an upright portion. The upright portion extends upward from a front of the base portion. A handle portion extends upward from the base portion at substantially a middle thereof. A first blade slot is formed in a bottom of the base to receive the first cutting blade. The first cutting blade may be adjusted within the first blade slot. Preferably, a first clamp slot is formed adjacent the first blade slot to receive a first clamp. The first clamp retains the first cutting blade. A second blade slot is formed in a front of the upright portion. The second cutting blade may be adjusted within the second blade slot. A second clamp preferably retains the second cutting blade. A lengthwise notch is formed in a front bottom edge of the base portion. The lengthwise notch may be sized to receive an end of a ceiling tile or the like.

Abstract: A disposable shaving razor comprising a plurality of small blades secured in coplanar relation with one another and forming a continuous edge. The blades are supported in coplanar relation by first and second grips positioned on opposite sides of the blades and urged in pressed abutment therewith. The grips partially form a slot in which the blades are received. Each blade includes a planar body and an engagement member extending from the planar body in angular relation thereto. The first grip defines a channel in which the engagement members are received to lock the plurality of blades within the slot. The present invention is intended for use primarily in penal institutions to minimize the use of the razor as a weapon.

Abstract: A versatile survival knife includes a blade and a handle into which the blade is detachably inserted. The blade is provided at one end with a pointed tip and at the other end a flat tip. When the blade is inserted into the handle at the end with the pointed tip, the survival knife appears in the form of a flat-tipped knife, and when the blade is inserted into the handle at the end with the flat tip, the survival knife appears in the form of a pointed-tipped knife. The blade is also provided on its body with a line of length-adjusting holes. By inserting the blade into the handle with one of the length-adjusting holes aligned with a fixing hole on the handle, a length of the blade exposed from the handle can be changed into longer or shorter to meet actual need. Thus, up to four different forms are available from only one single survival knife to conveniently perform different functions.

Abstract: A grapefruit knife for use in cutting sections of edible fruit from the less desirable membrane and peel is disclosed. The present invention includes a handle having two opposing ends, a single cutting blade attached to one end of the handle, and a scooping blade attached to the other end of the handle. Each of these blades has two cutting edges. On the cutting blade the two cutting edges are aligned serially, in a plane, to cut in the same direction, while on the scooping blade the cutting edges are opposingly arranged.

Abstract: A double-ended dual mechanism retractable blade utility knife. The knife includes two separately actuable mechanisms which allow extension and retraction of one or both blades independently of one another. The cutting surfaces of the respective blades are oriented towards opposite sides of the knife, thereby facilitating rotation of the knife within the user's hand in order to change which blade is currently being used. The independent nature of the dual mechanisms allows both of the blades to be held in the extended position. A storage area is further provided behind each of the mechanisms for the storage of spare blades.

Abstract: A device for making food items from puff pastry includes an external, peripheral cutting blade having a structure like that of ordinary cookie cutters so that the shape of the external blade determines the shape of a section of dough that is separated from a larger section of dough in the well-known way. A pair of internal blades are spaced inwardly of the external blade, and are mounted to the external blade by a plurality of spacers. The internal blades are spaced from one another to define a pair of uncut gaps in the dough that is cut by them. In a second embodiment, a continuous internal blade is connected to the external blade by spacers, but is recessed with respect to the external blade so that it cuts through a top layer only of a puff pastry made from two layers of dough.

Abstract: A retractable knife device includes a first and a second blade respectively and retractably received in two ends of a casing of the tool. A connecting device is connected between the two blades and has a knob slidably disposed to a side of the casing. The first blade is moved to extend from the casing by a trigger device and the second blade is moved to extending from the casing by moving a pin member connected thereto which slidably extends from the casing. A spring has one end thereof fixedly connected to the casing and the other end thereof connected to the first blade. The connecting device ensures that only one of the first blade and the second blade can be moved to extend from the casing when in use.

Abstract: A pizza cutting an serving tool is provide having manually closeable pivoted-jaw cutting blades. The blades close upon a serving spatula which may be triangular or rectangular in shape. The spatula includes peripheral groove means for receiving the blades. The grooves assist proper pizza shear and may receive the blades snugly to form sealed side walls of a serving tray.

Abstract: An apparatus for slitting, scoring, and slotting paperboard and the like for the creation of paperboard boxes and other shapes. The apparatus comprises a handle having a built-in three bladed slotting knife that is retractable and quickly allows a worker to create a slot. A retractable slitting knife and a scoring wheel are also affixed to the handle.

Abstract: A hand held device for cutting through shrink-wrapped packaging surrounding a package such as a compact disc case, which will allow the user to more easily remove the compact disc case from the packaging. The hand held device includes a cutting blade sized to cut through shrink-wrapped packaging of a predetermined thickness, and a holder for guiding its movement.

Abstract: A cutting tool for sheet material such as plasterboard, plywood, plastic, masonite or metal comprising two portions which are aligned and secured by magnetic attraction, such as permanent magnets or electro-magnetic devices. Each portion includes a cutter and device for adjusting the cutting depth. Cutting is accomplished by moving one of the portions, the other portion is simultaneously moved.

Abstract: A puzzle cookie cutter includes a cutting die holder and at least one cutting die removably securable in the holder. The die or dies provide for the cutting of cookie dough, batter, or the like into several separate, irregularly shaped and sized interfitting pieces, which pieces may be reassembled as a puzzle after baking to provide entertainment for the consumer of the cookie. The dies may be provided in virtually any regular or irregular geometric shape, animal or other caricature or representation, and/or any alphanumeric character, as desired. The die or dies may also provide for the spaced apart separation of the cut dough or batter, to allow for expansion or flow of the batter or dough during the baking process, in order that the baked pieces will have a close fit with one another without interference.

Abstract: A safety peeler including a short cylindrical shell having a closed exterior portion and an open interior portion with a cylindrical extension extending therefrom including an external threaded portion and an exterior surface therebetween with a top edge and a bottom edge; a rectangular tab with an upper edge, a lower edge being in communication with the top portion of the shell and four vertical sides being equally spaced from the top edge of the exterior surface of the shell, the upper edge capable of cutting away the skin of a citrus fruit; a long cylinder being hollow having an interior opening with a top edge, an exterior opening with a bottom edge and an exterior surface and an internal wall therebetween including an internal threaded portion being adjacent to the top edge of the interior opening, the internal threaded portion capable of engaging the external threaded portion of the cylindrical shell; a cylindrical tapered edge having an upper edge in communication with the bottom edge of the exterior o

Abstract: A fruit cutting apparatus comprises a handle having a hollow bore, a two-part blade assembly supported at the end of the handle and a plunger axially supported in the bore of the handle for axial sliding movement at the end of the handle opposite to that of the blade assembly. The blade assembly has sharpened peripheral edges and terminates in a sharpened tip to facilitate penetration of the blade assembly into the interior of a piece of fruit. An actuating assembly connected between the plunger and the blade assembly causes the two parts thereof to extend laterally between a first inactivated position and a second activated position. The outwardly facing peripheral edges of the blade parts are arcuately shaped so that when the blades are actuated to the second activated position, a thin circular transverse cut may be made internally of the piece of fruit after penetration of the blade assembly therein.

Abstract: A survival and camping tool having an elongated blade with one end terminating in a handle. The blade has a linear side edge that terminates in a circular tip. The opposite side edge has a belly-shaped configuration that begins with the base of the handle and terminates generally along the longitudinal axis of the tool, in a hook that opens on the same side as the belly. The tool has sufficient weight that the blade can be used for chopping, and the cutting edge of the hook can be used for cutting lighter materials.

Abstract: A hand tool for end cutting and edge trimming of edgebanding, veneer and the like comprising a handle, a first generally L-shaped cutting blade mounted on said handle and having a curved cutting surface at the intersection of the legs thereof, together with a second blade extending obliquely across the axis of the tool and having the cutting edge of the second blade facing oppositely to the cutting edge of the first blade.

Abstract: A patellar tendon harvester having a two-tined fork connected to a handle. A pair of blades are supported in side-by-side relationship from the two-tined fork. Each blade has a concave cutting edge. A bent stem portion may be provided between the handle and the two-tined fork. The patellar tendon harvester may be used to harvest a patellar tendon through incisions of less than three centimeters in length.

Abstract: A knife blade and knife blade assembly are disclosed for cutting food products into sticks or slices without causing surface cracking. The knife blade has a cutting portion defining a cutting edge and is mounted in the knife assembly such that a tension force is exerted on the knife blade in the plane of the cutting edge. The cutting edge of the knife blade is not sharp, but is generally flat and extends between parallel sides of the knife blade. The individual knife blades are formed of stainless steel and are electro-polished to remove any surface defects or sharp edges which may produce stress concentrations. This enables a significant tension force to be applied to the knife blade without diminishing its useful life. The electro-polishing process may also round off the corners of the juncture between the flat cutting edge and the parallel knife blade sides.

Abstract: A wrecking tool has a head and a pole; the head including a sleeve for receiving the pole, a crescent shaped head member and a shank generally rectangular in cross section and having an outwardly bowed sharpened edge primarily for ripping into ceilings, the shank flaring laterally outward as it approaches the sleeve to provide additional strength in this region and the interior of the sleeve having an inward taper to its opening partially adjacent the flared region of the shank with the pole held in the sleeve by a cementing material, such as an epoxy resin and a rivet passing only through one surface of the sleeve and into the pole. A D-shaped handle has a sleeve into which the pole is cemented and riveted if the pole is less than eight feet long; the cross member of the D-shaped handle being an I-beam in cross-section.

Abstract: A handle member mounts a first blade member therewithin, with the first blade member including a forward shank portion to include a serrated blade edge spaced from and parallel a rear blade edge. A pivotally mounted stripper blade is in contiguous and pivotal relationship relative to a top surface of the first blade member to capture a ribbon web therebetween from a ribbon spool to effect stripping of the web from the spool simultaneously, with effecting a curling of the web directed between the stripper blade and the serrated blade edge.

Abstract: The present invention is a swim fin equipped with extendable knives which can be used by a diver to fight off an attack by a predatory underwater creature, such as a shark. The knives, when in their locked closed positions, lie in a recessed section provided in an outside edge of the swim fin. In their locked closed positions, the knives lie parallel with a bottom surface of the swim fin. When extended to their locked open positions, the knives point downward from the swim fin. The swim fin is provided with means for locking the knives in their open and closed positions, unlocking the knives from their locked open and locked closed positions, and moving the knives between their open and closed positions.

Abstract: An apparatus for removing a skin layer of elongate vegetables, such as cucumbers and carrots, includes an elongate housing mounting blade segments therewithin. A manually supported embodiment of the invention includes coaxially arranged resilient segments mounting rigid blade members at a lowermost end thereof defining a conical chamber for directing of the vegetables therethrough. The blade segments may be formed of various configurations, such as utilizing triangular projections in association with fluid directing apertures, as well as cylindrical cutters directed interiorly of the blades. The blades define offset cutting elements. The invention further includes a power-driven aspect of the invention utilizing a central cylindrical hopper defining a cylindrical cutting blade coaxially arranged within the chamber, as well as using a helical wire mounting a matrix of spaced needle cutting members projecting interiorly of the cutting chamber to enhance cutting of a vegetable therethrough.

Abstract: A hand tool for splitting straw into strips has a pot-shaped element with a bottom and an open side opposite the bottom. A tube is mounted in the bottom coaxially with the pot-shaped element and has an end face which is flush with the outer side of the bottom. The tube, which defines a passage for stalks of straw to be split, extends from the bottom into the pot-shaped element. A rod is disposed internally of the tube coaxially therewith and has a cross-sectional area smaller than the cross-sectional areas of the stalks to be split. A plurality of blades project radially from the rod to the inner wall of the tube and are uniformly distributed circumferentially of the latter. Each of the blades has a cutting edge which faces the bottom of the pot-shaped element. The cutting edges extend along respective generatrices of a cone which converges towards the bottom of the pot-shaped element.

Abstract: A firefighting tool having a flat blade with a pointed leading end for piercing through structural panels, a plurality of stop teeth members for engaging a structural panel that has been pierced to defeat facile withdrawal of the tool, and a plurality of rip teeth members for sawing through the panels when the tool is reciprocated along its longitudinal axis. The stop teeth members are positioned at an angle relative to the rip teeth members and allow the firefighter to easily maintain the tool in an overhead configuration when it is used to remove ceiling panels because the angle of the stop teeth members results in a hooking action so that the ceiling supports the weight of the tool to some extent. Since the stop teeth members defeat inadvertent withdrawal of the blade, the firefighter need not make multiple penetrations of the ceiling panels or other structural member being removed by the tool.

Abstract: A vegetable cutting device (1) moulded in at least three discrete parts, a main body member (2), at least one intermediate member (6) and a bottom member (10), each of which are adapted to engage together and retain a set of blades therebetween. At least two sets of transverse blades are provided such that vegetable slivers may be produced by passing vegetables therethrough. The blades are adapted to be maintained in position by sets of engaging teeth (3, 7 and 8, 12).

Abstract: A self defense weapon comprising a glove type mounting of three groups of projecting spikes for slashing and stabbing an opponent. A first group of spikes is directed forward for stabbing. A second group of spikes is mounted to pivot between a first position wherein they are directed forward when the mechanism is not in use and a second position wherein the second spikes extend substantially perpendicular to the first spikes. A third group of spikes are retracted into a handle of the mechanism when it is not in use and are released to extend in a lateral direction during use. An actuator causes the third spikes to become extended and simultaneously causes the second spikes to be rotated to the second position.

Abstract: A shaping and/or scraping tool comprises a main body with a handle means adjacent one end and at the other end a carrier portion for a large plurality of cutting blades individually slidable and lockable towards and away from the handle means in said carrier portion so that the ends of the blades define a cutting edge of chosen shape.

Abstract: A rectangular hole cutter according to the teachings of the present embodiment of present invention is wholly shown as including a two-member cam device within a housing with a base plate, for vibrating one of three sets of alternate cutting blades to saw a rectangular hole in wall material. The cam is powered by an electric hand drill into which a stem from the male cam member has been inserted. The male cam swivels in a notch part of the female cam, which is centered on a base plate below the housing base plate, causing a vertical vibration in the unit as it is hand held against the area to be cut. The three blade sets, which are used for different materials, are generally of several blade members linked together rotatably and attached rotatably to a base plate which is secured to the bottom of the female cam member base plate.

Abstract: A trace edge cutter and salvage edge cutter are described for use in cutting flooring materials. The cutter includes a cross-wise handle for ease in pushing the cutter, greater width for stability, a recessed portion along the guiding edge to increase stability of the guide, even when worn, two-step adjustment of blade position and guide, a friction lock mechanism for preventing movement of the blade, removable guides, grooves on the base of the cutter for deflecting particles and use of two guiding edges on the same cutter for trace edge cutting.

Abstract: A utility knife consisting of a flat blade holder is capable of being grasped from above. It contains opposing cutting blades mounted in slots in the holder such that each blade is clamped in place and may be laterally adjusted using a leverage system formed by several cuts in the holder itself. The holder has two guide surfaces joined at an obtuse angle so that when one is in contact with the material for cutting the other is elevated above it and vice versa. In use the first guide surface and blade is placed against the material for cutting and the holder is drawn in a first direction thereby cutting the material with the rearward facing blade until reaching a corner, whereby the forward raised blade abuts the corner. The forward guide edge and blade is lowered into contact with the material for cutting thereby raising the rearward blade and the holder is now drawn in the reverse direction thereby completing the cut without the need to turn the knife around or lift it from the cutting surface.

Abstract: A utility knife for electricians has a handle member formed of two mating parts with a blade carrier therein that moves a blade in an out of a slot in an end wall. The handle member has an aperture in the end remote from the slot that has a slitting knife partially protruding therein for slitting "Romex" type cable. The handle also has a notch that partially intersects the blade for stripping insulation from a conductor. A hole is provided into which a bare conductor may be inserted and by bending the conductor, it may be formed into a curve for inserting the same under a screw terminal.

Abstract: A modular hand tool system in which a tool piece is detachably secured to a handle has an elongated planar handle having a centrally located rectangularly-shaped cutout extending inwardly from one end. The tool piece, which may take a variety of forms, has a shank portion of substantially the same shape and size as the cutout and is received therein with a tight sliding fit. The tool piece is detachably secured in the cutout by a screw mechanism including an elongated rod supported within and anchored at one end to the handle at a point displaced from the tool piece and which at its other end threadably engages a threaded opening formed in the shank portion of the tool piece.

Abstract: A cutter for cutting an object to be cut has cutting edges for cutting the object to be cut, a holding member for holding the cutting edges, and a guide member for guiding the cutting edges so as to be along the object to be cut when the cutting edges are moved.

Abstract: A knife includes a handle and a blade with the blade having a handle enclosed portion and a first sharp edge including a substantially linear edge portion and a curved end portion; a second sharp or chisel edge of linear configuration extends in from an opposite flat back edge. A flat linear guide edge surface extends between the outer end of the curved end portion and the inner end of the second shaft edge and is oriented relative to the second edge at an angle in the range of 75.degree. to 85.degree..

Abstract: A twin bladed survival knife having a pair of knife blades and a hollow handle incorporating a plurality of separate compartments for containment of sundry survival objects. The knife has a secondary blade affixed to the handle and a hollow primary blade disposed telescopically over the secondary blade and connected releasably to the handle. A spring actuated, slidable detent disposed in the handle is operative to securely connect the primary blade to the handle and, upon being depressed, is operative to permit removal of the primary blade from the handle. The several compartments in the handle may contain a compass, a fishing reel, an electric light bulb and batteries for furnishing electric power to the bulb. A pivotal, longitudinally extending door on the handle provides access to at least some of the compartments in the handle. A hollow end cap is releasably affixed to the handle and includes one of the compartments as well as a lens for permitting visual access to the end cap compartment.

Abstract: The orange peeler, on the one hand, permits a cutting motion in a direction that corresponds with the natural sequence of movements of the body while the fruit is peeled and when the skin has to be separated. For this purpose, the handle section is shaped in such a manner that it can conveniently be held in that its top surface and its under surface each have essentially one groove. The handle section changes over into a first end portion which has been shaped into an essentially circular shield. Centric to the shield there is arranged a shaped protrusion which has longitudinally the profile of a ship's hull, so that cutting edges are created which are oriented diagonally to the longitudinal extent of the orange peeler. At its second end portion there is arranged a peeling blade which ends in a quarter circle to round-off the blade. The cutting edge of the blade has wave-like notches to facilitate the lifting of the peel and the fluffy white skin that is located between the skin and the meat of the orange.

Abstract: A utensil suitable for use in opening shellfish casings in order to allow the meat thereof to be easily extracted. The utensil comprises a handle member which extends into a first elongated, substantially planar knife portion. Extending from said handle member is a second elongated, substantially planar knife portion which exists in a plane different from the plane of the first knife portion such that one edge of one knife portion is attached to one edge of the other knife portion such that the angle between the planes of the knife portions is about 90 degrees or less.

Abstract: An elongated blade formed on its opposite ends with points and including first, second and third pairs of bores disposed respectively at one end of such blade, centrally on such blade and at the opposite end of such blade. A handle is received telescopically on the blade and includes a latch for selectively engaging the respective bores to selectively latch the handle centrally with both points exposed for convenient throwing or for latching at one or the other of the opposite ends of the blade.

Abstract: A throwable weapon to be usable by a human being for self-defense which comprises a pair of plates connected together so that one plate can be pivoted relative to the other plate. When the one plate is pivoted relative to the other plate, a series of knife blades are caused to protrude circumferentially from the plates. When the weapon is subsequently thrown, the knife blades are capable of causing injury to a living body.

Abstract: An onion peeling device is created by means of which a substantial number of onions can be peeled one immediately after the other in simple and sanitary but also precise manner.An onion rest is provided, further pivot arms circularly arranged on a support plate with a clearance, where the support plate and the clearance can be guidably displaced above the onion rest and where the pivot arms are drawn toward each other by spring means and include heads pointing toward the center of the clearance, the spacing of the heads formed by stop means corresponding in the initial condition to the average onion cross-section in the area of the cut-off onion blossom, the heads being provided with slitting knives located in the plane of rotation and stripper means extending approximately tangentially to the onion cross-section.

Abstract: A martial arts weapon having a multiplicity of blades and striking surfaces and further providing a trap for grasping a stabbing blade of an opponent.

Abstract: A dough cutter comprising a handle for grasping by a user. The handle has apparatus for limiting lateral movement of a cutter. The cutter is comprised of two or more cutting elements which are in side by side relationship and have mating edges. The cutting elements have depending cutting ribs and apparatus for retaining the two or more cutting elements in positional relationship with one another when releasably retained on the base. Retaining apparatus is provided for releasably retaining the cutting element on the base.

Abstract: A manually actuated tool for cutting openings in sheet paneling from the room side after the paneling is secured in place. The basic construction consists of a pair of cooperating sharp blades at the forward end of the frame of the tool located in overlapping relation so that one blade is a leading blade and the other a trailing blade. Under the method of the invention the opening to be cut in the paneling when it is secured in place is laid out by initially securing a wire or wires around the backing over which the paneling will later be placed and then using a magnetic device after the paneling is in place to locate and mark the outline of the opening on the front of the paneling. The tool is then manually moved over the marked outline on the paneling to cut out the portion of the paneling to be removed.

Abstract: A grapefruit cutting knife which is composed of a handle and a bifurcated working end with terminal ends which are serrated and which overlay one another for a scissor-type action in cutting the membranes between sections of grapefruit and there is provided an upstanding pair of knife-like members for slicing the grapefruit section from the membrane.

Abstract: A fire fighting device is provided for breaking holes in ceilings, walls, and the like. A battering and cutting edge that extends downwardly from a pointed tip, and a horizontal or bottom blade extends perpendicular to the axis of an adapting means which is attached to the blade portion and to a pole for gripping by the firefighter. The bottom blade includes a fulcrum spaced away from the tip a first distance and protruding below the bottom cutting edge to thereby allow the battering and cutting means to pivot securely for use in pulling down walls and removing sections of ceilings. The cutting blade is a heavy gauge metal which includes a contoured portion that permits the pole-attached adapter to be nestled therein for purposes of securely attaching the adapter to the cutting blade by a filler metal.

Abstract: A grooving tool has a support provided with a handle formed on its lower surface with a substantially flat sliding face and having a pair of generally parallel slots opening at this face and extending in a predetermined direction. A blade is secured in each of the two slots with portions of the blades extending beyond the face and the cutting edges of the blades forming a vertex in projection in the predetermined direction on a plane perpendicular to this direction. The parts of the support forming the lower surface can be displaceable relative to the blades to vary the spacing between the vertex and the surface for a different depth of cut. The tool can be drawn along a workpiece such as a board of insulating material so as to cut in it a very neat groove by excising a strip which may be of triangular section if the blades are planar or of semicircular section if the blades have curved lower ends.

Abstract: A hand tool designed to cut across a length of decorative wide body molding material and simultaneously shape the cut end to receive an insert piece cut by the same hand tool from scrap molding material to form a finished end for a molding strip. The tool makes the two cuts in the molding material to provide the cut end on the strip and an insert when the molding is placed in the tool against angularly related guide members.

Abstract: A band holder and cutter device is defined by a simple L-shaped surface wherein the main leg of the device includes a protruding sharpened, tacking element that can be driven through a strapping band to hold it in place on a packing crate, and the supporting leg of the device supplies a cutting edge to implement the severance and removal of excess banding material when the main leg and the sharpened tacking element are driven into place.

Abstract: The applicant's device for hand operation is characterized by two jaws, one the upper and the other the lower, which form an angle at their inner ends of a degree that permits the introduction of stems or branches of plants at their other end, the upper jaw having a roof from which two parallel blades descend, each of which blades has a cutting edge, the lower jaw having a base from which also two parallel blades project upward, each of which blades likewise has a cutting edge ; the upper jaw also has at its outer extremity a blade that extends downwardly at a slight inward slant and provided with a cutting edge, and the lower jaw also has at its outer extremity a blade with a cutting edge that extends upwardly at a slight inward slant; the inner end of the jaws is attached to a handle in fixed relationship, thus holding the jaws firm; the said device is rotatable with one hand circumferentially around the limb of the plant, thus making two parallel cuts in the bark, after which one of the blades at the outer