Abstract: A power tool may include: a motor; a power transmission mechanism connected to the motor; a housing that houses the motor and the power transmission mechanism; a tip tool holder connected to the power transmission mechanism and holding a tip tool; and a cover covering at least a part of the tip tool. The cover may include: a fixed cover portion fixed to the housing; a movable cover portion movable with respect to the fixed cover portion; and an operation member mechanically connected to the movable cover portion and configured to move the movable cover portion with respect to the fixed cover portion.

Abstract: A utility knife includes a body having a handle portion and a head portion, the handle portion having a plurality of recesses formed in the handle portion. Each of the recesses is capable of receiving at least one replacement blade. A grip is pivotally attached to the handle portion and configured to be positioned in an open position or a closed position, the grip in the open position providing access to the at least one replacement blade. A blade carrier is pivotally coupled to the body, the blade carrier having a post and being rotatable between a closed position and an open position. An active blade is received by the post of the blade carrier such that the post extends into an opening of the active blade.

Abstract: Provided is a cutting board including a first board section, a second board section, and a hinge assembly pivotally coupling the first and second board sections together. The first board section has a first top surface, a first bottom surface, a first inner surface, a first outer surface, a first front surface, and a first rear surface and the second board section has a second top surface, a second bottom surface, a second inner surface, a second outer surface, a second front surface, and a second rear surface. The hinge assembly pivotally and removably couples the first and second board sections together such that the first and second inner surfaces face one another in an unfolded position and the first and second bottom surfaces face one another in a folded position.

Abstract: A food cutter apparatus with a blade portion and a handle portion. The blade portion is comprised of a single rigid material. The handle portion can be comprised of the same rigid material as the blade portion or a separate rigid material. The handle portion of the food cutter apparatus is located on top of the blade portion. In one example, a grater, slicer, or other kitchen tool elements are provided integral to the blade portion. In other examples, kitchen tool elements are provided as removable elements that can be attached to a cavity in the blade portion.

Abstract: A tool, and a method using the tool, for skinning game animals. Specifically, the tool relates to a curved blade knife, sharpened on the curved, top edge, and possessing a spherical or non-spherical structure at the tip. The tool is used by forming a cut through the soft skin of a game animal, inserting the spherical or non-spherical structure through the cut, and pushing or pulling the blade such that the sharpened curved, top edge cuts through the skin and connective tissue. This tool and method takes advantage of the fact that the spherical or non-spherical structure at the tip of the blade is retained inside the skin and connective tissue of the game animal and the blade is automatically properly positioned to cut the skin of the game animal.

Abstract: A saw blade for use with a reciprocating saw includes a body and an attachment portion extending from the body. The attachment portion includes a tang and an aperture configured to connect to the reciprocating saw. The saw blade also includes a cutting portion formed on the body. The cutting portion includes a plurality of cutting teeth, and first and second floor guard teeth spaced apart and positioned adjacent at least one of the plurality of cutting teeth. Each cutting tooth has a tip that defines a plane. The body has a first height measured generally perpendicularly from a back edge of the body to the plane. The attachment portion has a second height measured generally perpendicular to the plane. A ratio of the first height to the second height is between approximately 4 and approximately 5. The first and second floor guard teeth extend beyond the plane.

Abstract: A system for creating three-dimensional grass graphics can include a means for cutting grass with an adjustable cutting height, a chlorophyll-based agent for coloring grass, and at least one stencil. The chlorophyll-based agent can be non-detrimental to a health of the grass and can be available in multiple shades. The stencil can be securable to the grass and can define a graphic to be painted on the grass using the chlorophyll-based agent. The means for cutting the grass can be able to pass over and around the stencil without damaging the stencil. Application of different shades of the chlorophyll-based agent to varying heights of grass can produce a three-dimensional effect for the graphic when viewed.

Abstract: A tool, and a method using the tool, for skinning game animals. Specifically, the tool relates to a curved blade knife, sharpened on the curved, top edge, and possessing a spherical structure at the tip. The tool is used by forming a cut through the soft skin of a game animal, inserting the spherical structure through the cut, and pushing or pulling the blade such that the sharpened curved, top edge cuts through the skin and connective tissue. This tool and method takes advantage of the fact that because the spherical structure at the tip of the blade is retained inside the skin and connective tissue of the game animal, the blade is automatically properly positioned to cut the skin of the game animal.

Abstract: A disposable scalpel, including a body portion having a proximal end and a distal end, a scalpel blade receiving slot formed in the distal end, and first and second parallel elongated flexible members, wherein the slot is positioned between the pair of parallel elongated flexible members, such that a scalpel blade received in and extending from the slot would be flanked by the pair of parallel elongated members.

Abstract: Apparatuses, systems, and methods in which a utility knife includes a blade cover that is movable from a locked position to an unlocked position relative to at least one of a blade cartridge, a blade holder, and a tool handle are provided. When the blade cover is in an unlocked position, the blade cover can advantageously be moved from a blade covering configuration to a blade exposing configuration.

Abstract: A blade protector includes a bottom portion having a fastening mechanism for securing the blade protector onto at least one part of a clipper; and an enclosure on a side of the blade protector and extending from a top portion thereof configured to cover an edge of the clipper.

Abstract: A dural knife is provided with a handle, protector, and cutting element, wherein the protector is connected to one end of the handle and the cutting element connects to both the handle and the protector. More particularly, the dural knife has a protector shape and blade height that is adapted to safely raising the dura away from the cortex and making an incision in the dura while sliding the protector beneath the dura.

Abstract: An improved design for a dust shroud providing an airflow conduit for collecting dust off a work piece and a saw blade is disclosed. The dust shroud is configured with either one or two extending and telescoping lower rigid jaws that are durable and can engage a work piece at different angles. A novel roller is additionally provided for moving along a work piece.

Abstract: Methods and systems for separating an object, such as a lead, from formed tissue are provided. Specifically, a tissue slitting device is configured to engage patient formed tissue at a slitting engagement point. While the object is subjected to a first traction force, the tissue slitting device is caused to move further into the engaged tissue and slit the tissue past the point of engagement. The slitting device causes the tissue to separate along an axial direction of the length of the formed tissue and releases at least some of the force containing the object. The methods and systems are well suited for use in cardiac pacing or defibrillator lead explant procedures.

Abstract: The invention is a Y-bone fish fillet knife, a specialized Y-bone fish fillet knife blade and methods of using same to debone fish having Y-bones. Features of the novel Y-bone fish fillet knife and its specialized knife edge include an intentionally unsharpened, or rounded edge, notched groove and an arcuate cutting edge. The rounded notched groove tracks and slides along the Y-bones during cutting. The cutting edge may have other shapes and be dual-edged according to other embodiments. The knife and its handle are designed for ambidextrous use.

Abstract: A disposable scalpel, including a body portion having a proximal end and a distal end, a scalpel blade receiving slot formed in the distal end, and first and second parallel elongated flexible members, wherein the slot is positioned between the pair of parallel elongated flexible members, such that a scalpel blade received in and extending from the slot would be flanked by the pair of parallel elongated members.

Abstract: A coin roll opening device includes a support surface and a knife having an elongate cutting edge extending along the support surface. The cutting edge defines a depth of cut that increases from essentially zero at a front end of the cutting edge to a maximum depth of cut away from the front end. A coin roll drive rolls the coin rolls on the support surface over the knife to cut open the coin rolls.

Abstract: A face shield for outdoor power equipment of the type having a power source, an operating element, and a substantially straight shaft extending between the power source and the operating element, includes a sheet of transparent material and a holding member attached to both the transparent sheet and the shaft. When so attached and held, the transparent sheet extends primarily upward from the shaft and is positioned closer than halfway between the operating element and the face of the equipment operator. The transparent sheet is of such dimensions and is maintained in such position by the holding member that it intersects all straight lines that extend between the operating element of the power equipment and the face of the equipment operator.

Abstract: The invention relates to a multi-part cut guard for a tool that is rotatable in a cutting plane. The cut guard includes a first part element and at least one further part element. The part elements are connected together at their ends and form a closed circumference. Opposing first ends of the part elements are connected together, forming a pivot joint. The second ends of the part elements are fixed releasably together. The pivot joint is formed from a latching receptacle and a latching stub which form the pivot joint in the latched state and are intended to be separated in order to release the latching.

Abstract: A scalpel handle for holding a blade having a cutting edge includes a handle member and a blade shield for covering the blade cutting edge. The blade shield is connected to the handle member for pivotal movement relative thereto between a blade-covering condition and an out-of-the-way condition, and a movable shield latch mechanism is capable of releasably locking the blade shield in its blade-covering condition. A finger-operable actuator mechanism is mounted upon the handle member for movement between first and second conditions, and a spring is interposed between the actuator mechanism and the handle member. During a first phase of movement of the actuator mechanism from its first to its second condition, the shield latch mechanism unlocks the blade shield from its locked blade-covering condition, and during a second phase of movement, the blade shield is moved from its blade-covering condition to its out-of-the-way condition.

Abstract: [Object] To provide a cutter for a double-edged eyelid-forming tape or thread; after a double-edged eyelid-forming tape or thread has been attached to an eyelid, the cutter can perform cutting treatment on an extra portion of the tape or thread with a simpler manipulation in an extremely safe manner. [Solution] A cut c is formed in a thin metal plate so as to extend from its front end to its intermediate position. By bending a pair of cut pieces 23 and 24, which are divided by the cut c, in mutually opposite plane directions, a cutting part 21 is formed on the first end side of a cutter piece 20. A holding part 22 on the second end side of the cutter piece is embedded in a gripping piece 10 and is secured. Each cut piece is formed with a smoothly curved surface in a convex shape on the first end side from the terminating part of the cut through a bent front end 23a or 24a, whichever is applicable, to a bent width end 23b or 24b, whichever is applicable.

Abstract: An aerodynamic trimmer head assembly for use in flexible line rotary trimmers including a trimmer head having a curvilinear upper head surface and a shroud having a curvilinear portion extending over the head surface. A plurality of ribs extend downwardly and forwardly in the direction of rotation between the head surface and shroud defining a plurality of channels extending between portions of the upper head surface and shroud along curvilinear paths defined by the ribs. The channels define inlet openings in an upper portion of the shroud and outlet openings about the lower end portion thereof During rotation of the head and shroud, air is drawn downwardly about the drive mechanism, through the channel inlets, into and through the channels and outwardly therefrom at a forward inclination about the line projecting from the housing thereby cooling the drive mechanism of the rotary trimmer and reducing aerodynamic drag on the line.

Abstract: A hand cutter with a retractable blade guard providing an unimpaired view of the blade, when it is placed on the object. The blade guard is unlocked and retracted by a trigger mechanism, which is activated by closing the hand around the cutter handle. The blade guard remains in the retracted position until the trigger is released or a relocking mechanism is activated by putting the blade to use by cutting the object.

Abstract: A knife safety apparatus that is used to protect the fingers from being cut while cutting and chopping the food items is disclosed. The knife safety apparatus includes a food holding body and a handle connected to the food holding body. The food holding body helps to hold the food firmly with the help of its bottom sidewall. The handle has a gripping surface which helps to hold the knife safety apparatus. The apparatus has a knife guiding slit which acts as a knife receiving and knife cleaning space. The apparatus is helpful to cut, chop, and mince a food item irrespective of its size and shape.

Abstract: A utility knife includes a handle, a blade assembly secured to the handle, a blade cover mechanically coupled to the handle facilitating manipulability of the blade cover to an extended position over the blade assembly, and a slider that is repositionable along the handle to release the blade cover from the extended position, the slider being pivotally coupled to the blade assembly.

Abstract: An apparatus and method for cutting tape on a hockey stick blade is disclosed. The apparatus includes a body for holding the apparatus, a ski including a front edge and a bottom surface, and a cutting blade arranged generally upright relative to the bottom surface of the ski. The cutting blade may include a cutting edge disposed at an acute angle relative to the bottom surface of the ski, the cutting edge positioned proximate to the front edge of the ski.

Abstract: In a utility knife, having a handle, a blade, and a guard that prevents the user's fingers from being lacerated or abraded, a flexible strap with a stud that snap-fits into a socket in the guard is used to secure the guard to the handle. The stud fits into a recess in the handle to limit or prevent longitudinal movement of the guard relative to the knife handle.

Abstract: A cutter apparatus includes a housing shaped to be hand-held, a slider configured to support a front blade, the slider being mechanically coupled to the housing and configured to be moved longitudinally along the housing, and a blade guard mechanically coupled to the housing and configured to be extended and retracted adjacent to the front end of the housing, wherein the slider and the blade guard are configured to move in tandem.

Abstract: A surgical knife safety device having a handle, a blade connected to the handle, and a guard carried by the handle for sliding movement between a retracted position in which the blade is exposed for use, and an extended position for covering the sharp cutting edge of the blade. In the retracted position, an enlarged guard radius is provided at the distal end of the handle to allow improved handle control and blade orientation. The enlarged guard radius is positioned to allow the user to firmly grip a large distal handle portion which is preferably molded as a single piece with the blade holder, preventing unwanted blade or handle movement due to guard mechanism tolerances. A spring, such as leaf spring or a cantilever beam, and a pair of detents or slots are provided to fix the guard in the extended or retracted position and to provide resistance during movement between the two positions.

Abstract: A cutting tool comprising a body, an aperture defined through the body, a blade coupled to the body, and at least one protrusion extending from the body into the aperture. The blade has a cutting edge extending into the aperture. The protrusion(s) has(have) an end portion proximate the cutting edge and configured to impede access to the cutting edge. The protrusion(s) may be flexible, such that limited access to the cutting edge is permitted in a flexed state.

Abstract: A trimmer improver comprises: a blade holder, of which one side is formed with a guide groove and at least one blade groove that aligns with the guide groove; at least one blade, being detachably and correspondingly arranged in the blade groove, of which the end is exposed to the blade groove; and a cover, of which the outer margin aligns with the upper edge of at least one blade groove to close the blade holder. Accordingly, with various types of blades replaceable, the trimmer improver is provided for much more effectively trimming the skins of the wood product made of different materials.

Abstract: A hand cutter with a blade guard providing the highest possible protection from accidental cutting. The blade guard can be effortlessly activated from the locked position by a trigger, which is achieved by closing the hand around the cutter handle. The released blade guard remains in the released state until the blade has been put to use by cutting the object, when the blade guard release is removed so that the blade guard is automatically relocked as soon as the blade guard returns to the initial protected position.

Abstract: A shielded knife includes a base, a blade secured to the base at a first end and a guard operatively attached to the blade at a second end opposite the base. The guard may be rotated between a closed position covering a sharpened edge of the blade and an opened position exposing the sharpened edge of the blade.

Abstract: A bagel slicer that comprises an oblong skirt and a pair of blades disposed within a cavity defined by the skirt. The oblong skirt has a length, a width, a top edge, a bottom edge, a wall connecting the top edge to the bottom edge, a top opening defined by the top edge and a bottom opening defined by the bottom edge where the top opening is substantially parallel to the bottom opening. The upper and lower blades are substantially parallelly disposed and offset vertically to form an overlap, each having a cutting edge. The cutting edge of each of the upper and lower blades is aligned with the bottom opening of the skirt and each blade is perpendicular to the bottom opening and substantially parallel to the skirt within the cavity.

Abstract: A clear, shaft-mounted, shield for a String Trimmer , Brush Cutter, Pole Trimmer or similar shaft-based cutting device which provides debris protection for the operator. This invention defines the usage of a transparent and rigid material which absorbs & deflects high-speed flying debris generated from the spinning head of trimming devices. This invention will function as expansive layer of protection used separately or in conjunction with existing, head-mounted, trimmer guards and improves upon the debris protection, visibility, adjustment and removal compared with conventional, fixed and opaque guards, which are the standard of lawn trimmer devices.

Abstract: A hand-held, rotary fabric cutter having a handle, a blade assembly, a guard assembly, and a light assembly, the blade assembly and the guard assembly being attached to the handle by a blade bolt. The rotary cutter has a rotary blade and a longitudinally and laterally retractable blade guard attached to the handle by the blade bolt, the blade guard having a right guard and a left guard, the right guard and the left guard being pivotally connected by a guard pivot joint. The light assembly has a light element, an electric switch for the light element, a power source, and electrical interconnection. A slide knob simultaneously controls both the guard assembly and the light assembly.

Abstract: The application relates to a chain guard for a chainsaw with interchangeable cutting attachments of different lengths, said cutting attachments having cutting chains, wherein the chain guard comprises an insertion opening for inserting a cutting attachment, at least two side walls for covering lateral surfaces of the cutting attachment, a front end opposite the insertion opening, a first latching depression formed in at least one side wall, and a second latching depression formed in at least one side wall at a distance closer toward the insertion opening with respect to the first latching depression, wherein the first latching depression and the second latching depression each comprise an arcuate latching surface for latching in a form-fitting manner with a cutting chain of the cutting attachment, said latching being active in the direction of a longitudinal axis of the chain guard, and also to a chainsaw system having such a chain guard.

Abstract: Suggested is a procedure for heating a catalyst in the exhaust gas system of a supercharged combustion engine with direct fuel injection and variable gas exchange valve control by producing a reactive exhaust gas fuel/air mixture in the exhaust gas system, whereby an air percentage of the reactive fuel/air mixture is thereby produced that air is rinsed from a suction system of the combustion engine over its combustion chambers into the exhaust gas system. The invention distinguishes itself thereby that the combustion engine is operated in idle mode after a cold start with a greater valve overlap and/or a greater valve overlap profile than in a normal operation where the catalyst is already heated as well as with an apportionment of a fuel amount that has to be injected before a combustion into at least two partial injections per ignition and combustion chamber and with a suboptimal ignition angle efficiency.

Abstract: A coupling member can releasably couple a blade protector to a tool body of a gardening tool. The coupling member is movably and non-removably coupled to one of the tool body and the protector.

Abstract: A shoe for a band saw includes a block for coupling to the band saw, and a body having a surface for engaging a workpiece. The block has a first detent feature. The body has a second detent feature for cooperating with the first detent feature to hold the body with respect to the block. The body is moveable between an engaged position in which the first and second detent features cooperate to hold the body with respect to the block, and a non-engaged position in which the first and second detent features do not cooperate.

Abstract: A shoe for a band saw includes a block for coupling to the band saw, the block having an aperture, a locking ball disposed in the aperture, a body including a first surface for engaging a workpiece and an opposite surface having plurality of recesses, and a locking rod coupled to the block and movable between a first position and a second position. The locking ball is received in one of the plurality of recesses of the body when the locking rod is in the first position such that the body is fixed relative to the block, and the body is movable relative to the block when the locking rod is in the second position.

Abstract: A hand-held slicing device having a handle connected to a slicing tray. The slicing tray includes a ramp leading to a fixed blade. The ramp is readily adjustable such that the height of the edge of the ramp most closely adjacent the blade can be raised or lowered. In one version, the ramp can be raised or lowered by sliding a support structure connected to a knob that can be slideably adjusted by the user's thumb. The device may include a series of julienne blades that are selectively extendable above the slicing ramp or retractable below the ramp.

Abstract: A sheath removing unit according to the invention includes a sheath removing blade that includes a pair of blade bodies disposed so as to face each other, and an optical fiber guide that includes first guide body and the second guide body. The first guide body includes a first protruding portion that is disposed so as to be superimposed on a first blade body of the blade bodies and protrudes from the first blade body toward a second blade body. The second guide body includes a second protruding portion that is disposed so as to be superimposed on the second blade body and protrudes from the second blade body toward the first blade body. The first protruding portion includes a lower inclined portion, which is inclined outward toward a protruding direction of the first protruding portion, on the surface thereof facing the second guide body.

Abstract: A hand held, manually driven cutting device comprises a two part substantially inverted ‘V’ shaped body. The two body parts assemble to form an ambidextrous graspable handle, and a pair of axled wheels attach to the outer surface of a rear leg and a front leg of each body part. The dividable body is dismantled to receive a detachable blade that when affixed has its cutting edge protruding beneath the assembled body midway between the two rear wheels. Also mounted beneath the assembled body is a combined safety shield and material lifting element provided with a flow passage. Four wheels to the assembled body are configured with one wheel on either side of the front lower distal, one wheel either side of the lower rear body. During the cutting process the lamina material lies above the lifting and supporting element and below the rear wheels.

Abstract: The present invention provides a portable cutting tool, which comprises: a blade for cutting workpieces, the blade having a blade plane; a housing; and a moveable guard installed on the housing, wherein the guard is provided with a blade through-hole through which the blade passes, the guard moves between a first position and a second position with respect to the housing, when the guard is located at the first position, the blade does not pass through the blade through-hole, and when the guard is located at the second position, the blade passes through the blade through-hole; either the guard or the housing is provided with an arc guide rail, and the other has position-limiting members which are matched with the arc guide rail to limit the displacement of the guard along the normal direction of the arc guide rail.

Abstract: A cable tie removal tool for cutting a cable tie off of an underlying structure with which the cable tie is engaged. The tool has an opposed pair of cutting members each having a cutting edge, the cutting members movable between an open position in which the cutting edges are spaced from one another and a cutting position in which the cutting edges are close together or touching. The tool also has a mechanical structure that holds at least one cutting member off of the underlying structure as the cutting members are moved from the open to the cutting position.

Abstract: A dermatome having a main body, a blade assembly and a blade guard, where the blade assembly has a blade edge and the blade guard has a base and a fence extending from the base toward the blade assembly so as to face the blade edge. The blade guard may include at least one blade assembly locator to facilitate the alignment of the blade guard with the blade assembly. A blade guard assembled on the blade assembly may operate so as to prevent unintended contact between the blade edge and objects.

Abstract: A cutting tool is provided which may simultaneously score or cut opposite sides of a wallboard. The tool may also be used to cut semi-circular portions from a corner of the wallboard and which may be used to cut circles from the wallboard.

Abstract: A bush cutter is provided with a cutting blade and a protective cover configured to partly cover the cutting blade. The protective cover includes a main body and an expansion part configured to be detachably attached to the main body. One of the main body and the expansion part of the protective cover is provided with a click portion and the other is provided with an engaging hole configured to accept engagement of the click portion from an inner side and expose the engaging click portion to an outer side. The engaging hole has an aperture geometry that allows entry of a tool but prevents entry of a fingertip. Accordingly, no tool is required when attaching the expansion part, but at least one tool is required when detaching the expansion part.

Abstract: A rolling utility knife is disclosed. The rolling utility knife includes a pair of frame rails and at least one cross-member connecting the pair of frame rails. In addition, the rolling utility knife includes a front roller and a rear roller disposed between the frame rails. A circular blade is adapted to rotate along an outside edge of a first rail of the pair of frame rails. The rolling utility knife further includes a lever secured to an inside edge of the first rail by a fulcrum, where the circular blade secured to a first end of the lever and the blade is adjustable to move vertically relative to the first rail. A pin is disposed at a second end of the lever, where the pin is configured to cause the circular blade to move downward when the rolling utility knife is placed on a planar surface.