Abstract: A cutting device with wheeled blades has a shear and a cutting wheel set-blade. The shear has a first handle and a second handle pivoted together via a pivot member, the first handle extending to form a first arm, and the first arm provided with a connecting aperture, and the second handle extending to form a second arm, an assembling aperture provided at an end of the second arm. The cutting wheel set-blade having two positioning wheeled-blades, a third arm and a movable wheeled blade. The positioning wheeled-blades are respectively connected to the connecting aperture and the assembling aperture of the shear, the third arm lockable with the adjustment apertures of the shear via a knob, a locking aperture provided on the extended third arm and engaging the movable wheel-blade, and the two positioning wheeled-blades and the movable wheeled blade are disposed in a triangular arrangement on the shear.

Abstract: An insulated wire clamp device as disclosed for a wire stripper machine comprises a first beveled rotary collar on a first side of a shank and a second beveled rotary collar on a second side of the shank having a cutting blade there between. The collars comprise a first clamp and a second clamp of an insulated wire in a complementary V-shaped wire drive wheel. The wire drive wheel comprises a third and a fourth clamp of the wire on inner sides of the V-shaped wire drive wheel and the cutting blade comprises a fifth clamp of the wire in a cutting plane thereof. Shank spacers between the first collar and the rotary cutting blade and between the second collar and the rotary cutting blade add predetermined and incremental spacing options between three of the five clamps in the cutting plane of the insulated wire in the wire stripping machine.

Abstract: A cutter for cutting a formed gutter discharged from a seamless gutter machine. The cutter may be positioned to cut a back wall of a formed gutter below a front upper edge of a front wall of the gutter. In turn, a gutter may be mounted to a building (e.g., a fascia board thereof) to achieve additional lift, thereby providing increased pitch over a given length of gutter while maintaining overlap between a gutter apron and a back upper edge of the back wall of the formed gutter.

Abstract: An adhesive substance removing tool is provided with a cracking tool and a scrapping assembly which are removably coupled to a base. The cracking tool is used to crack the adhesive substance by forming breaking lines on the surface of the adhesive substance, and then the scrapping assembly is used to scrape off the adhesive substance by starting from the breaking lines. The combination of the cracking tool and the scraping assembly allows the user to remove adhesive substance easily and completely. Besides, the cutting assembly of the cracking tool is able to move freely both in straight-line or circular fashion, and the cracking tool can be prevented from rotating or disengaging once it is positioned in place on the base. Hence, convenience and safety of use can both be assured.

Abstract: A pizza cutter that includes a handle, a cutting member support, and first and second disk members. The handle is configured for grasping by a user. The cutting member support extends from the handle. The first disk member is supported on the cutting member support. The second disk member is supported on the cutting member support. The first and second disk members may be arranged non-parallel relative to each other.

Abstract: An opener for a blister package or for cutting of other planar material is disclosed. A cutter pair is provided adjacent an engagement area. When blister package layers are fed into the engagement area, the cutter pair including a top cutter and bottom cutter rotate to feed the package material through the engagement area. The cutters are closer together than a thickness of the package. At least one of the cutters includes a knife thereon to cause cutting of the material as it is fed between the cutter pair. A handle is provided supporting a head which has the cutter pair thereon. A motor provides power to cause rotation of the cutter pair through a gear set. A hand crank is also provided which can separately deliver power to the gear set to cause the cutters to rotate.

Abstract: An electric saw device includes a first saw blade and a second saw blade. The first and the second saw blades are respectively driven by a small transmission shaft and a large transmission shaft to rotate in opposite directions. A round rib is disposed on an inner end surface of the first saw blade, and at least three recessed holes are arranged in a top end surface of the round rib at equal angle intervals. A steel ball is accommodated in each of the recessed holes, and protrudes out of the recessed hole. Protruding ends of the steel balls urge against an inner surface of the second saw blade, so as to limit a distance between the first saw blade and the second saw blade, and form a rolling friction when the first and the second saw blade rotate in the opposite directions.

Abstract: A device for cutting flat strips of desired width from relatively elongate material is described. Methods of using the strip cutting device are also described. Embodiments of the strip cutting device are adapted to readily cleave a leg from L-shaped material to produce flat strips. Some embodiments are adapted to precisely and accurately cleave flat strips of material to produce narrower flat strips.

Abstract: This invention relates to a knife of a blender that includes a container, the knife fixed on a bottom of the container, and a base located under the container. The knife is provided with an upper blade having its ends inclined upward, a lower blade having its two ends inclined downward, and a shearing blade installed between the upper blade and the lower blade. Each of the upper blade and the lower blade has a shear edge used as a cutting means. The shearing blade is shaped similar to “S”, provided with two shearing edges symmetrically formed on two end portions, and a plurality of teeth formed along each of the shearing edges with diverse depth. By means of the knife, frozen or semi-frozen fruits can be finely crushed quickly, and fruits and vegetables can be completely blended into juice.

Abstract: A cutting tool for cutting a workpiece. The cutting tool can include a tool body having a first end and a second end and defining an axis extending through the first and second ends, a rim extending circumferentially around the first end of the tool body, and a blade having a base supported on the tool body for movement relative to the rim.

Abstract: Hand-held cutting devices including a body having a handle portion and a cutting portion, and one or more rotatable cutting blades arranged on the cutting portion. The cutting portion is movable into different positions relative to the handle portion, or vice versa. When two cutting blades are provided, they may be arranged on opposite sides of a mounting wall and axially offset from one another. To prevent the user from being cut by one cutting blade when the other cutting blade is being used, yet still enable both cutting blades to be used when desired, a blade guard is movably connected to the cutting portion and movable between two positions in which it is alongside all of one cutting blade (the one not being used) but not all of the other cutting blade (the one being used), and vice versa.

Abstract: A cutting apparatus for easily opening plastic packaging comprises: first support member 100, second support member 200, first shaft 400, second shaft 401, third shaft 402, first cutting wheel 300, second cutting wheel 301, third cutting wheel 302, handle 303, first drive wheel 304, and a second drive wheel 305.

Abstract: Cutting device for making interior cuts includes first and second pivot members pivotally connected to one another at a pivot point and each including a handle portion with a finger-receiving aperture on one side of the pivot point and an arm portion on the other side of the pivot point. One or more rotatable, substantially circular cutting blades are arranged at a free end part of the arm portion of the first pivot member while one or more support rolls are arranged at a free end part of the arm portion of the second pivot member in a position opposite at least one of the cutting blade(s).

Abstract: A small, handheld sheet material cutter has a pair of cooperating cutting wheels and a mechanism for easily adjusting the position of one of the cutting wheels in order to provide a lateral gap of varying width between the cutting edges of the two cutting wheels, thus permitting the cutter to cleanly cut sheet material of various thicknesses. The cutter also has a guide bar that can be used in combination with any sheet metal brake to provide straight cuts. Since the cutter need not be mounted on a sheet metal-brake, it can also be used freehand to cut curves and angles.

Abstract: A split-end hair remover comprising an enclosure having top, bottom and sides, where the top includes a substantially planar screen having upper and lower surfaces that include a plurality of apertures through which one or more split hair ends may project, a motor carried within the enclosure that drives several sets of blades, each set of which is disposed around a center of rotation and where each of the blades of a set has a cutting edge disposed parallel to and proximate the lower surface of the planar screen.

Abstract: The invention refers to a novel device for cutting flat objects, in particular for cutting stiff bandages and protective suits. The device provides at least one movable cutting tool (8, 13), which is able to perform a movement, that can be assigned to a closed line surrounding a finite area.

Abstract: A portable, handheld envelope opening device is disclosed. The envelope opening device has a head portion and a handle portion. The head portion includes a slot defined by a pair of opposing walls and a base plate. The walls being spaced so as to guide the passage of an envelope and preferably are slightly angled to provide a tapered insertion end. A pair of rotary discs disposed within the head portion adjacent the base plate intersects in partially overlapping fashion along a centerline of said slot. The discs are spaced and positioned adjacent the base plate. The first disc includes a cutting edge, and the second disc is adapted to urge the envelope into engagement with the first cutting disc to sever a marginal edge of the envelope to expose the contents. A motor is coupled through a gearbox to the rotary discs to drive the discs. A switch is used to couple the motor to a battery power supply.

Abstract: The device for edge cutting of strips of material includes a groove (2) disposed in a base body (1) and passing through over the length of the base body (1) and exhibiting in each case a round blade (6) at sideways protruding arms (4) and (5) at the lower open end of the groove (2). The round blades (6) are disposed somewhat staggered relative to the longitudinal axis of the groove (2). The round blade (6) disposed in the arm (5) is disposed somewhat inclined under an angle relative to the wall of the groove (2). The round blade (6) disposed in the arm (5) separates at an angle the downwardly disposed region of the strip of material in order to generate a so-called undercut, whereby the laying work and installation can be performed more exact and simpler.

Abstract: The invention concerns a vegetable product shredding apparatus comprising means (5) supplying vegetable products (20), a part ejecting (7) shredded vegetable products and an intermediate chamber (6) comprising a rotor (12) secured to several blades (10, 11). The rotor has several blades (12) in a plane perpendicular or inclined relative to the rotor pin (2) and at least another blade (11) offset about the rotor pin (2) and parallel thereto. The blades (10) are arranged into at least two rows of blades. Preferably, one row of blades (10a) is inclined in one direction and another row of blades (10b) is inclined in the other direction.

Abstract: The present invention is directed to a tool for cutting sandwich type plaster boards such as gypsum plaster boards. It is an object of the present invention to provide a tool which allows the exact cutting of those boards in a time saving manner. According to the present invention this object is performed by a tool for working board-like workpieces, in particular sandwich type plaster boards, comprising a guide means for guiding the tool, a handle means, a blade means for forming a cut in the workpiece, and a coupling means for coupling the blade means with the guide means in an adjustable manner. A spacing between the handle means and the blade means may be adjusted by said coupling means in a direction transversely to a moving direction of the blade means.

Abstract: A mowing machine for cutting plants with radially protruding blades of upper and lower blade disks which are coaxially disposed and rotated under the hood that is disposed at the end of a handle. The upper blade disk has a ring gear, the lower blade disk has a sun gear, and a transmission gear is provided between the ring gear and the sun gear and meshes these gears so as to rotate the ring and sun gears in the opposite directions, thus rotating the upper and lower blade disks in the opposite directions for producing a shearing force that cuts the plants.

Abstract: A lawn mower includes a housing, and two cutter members rotatably attached to the housing and rotated relative to each other in a reciprocating action, such that the cutter members may be actuated as a shearing action for cutting and trimming purposes. The cutter members are not required to be rotated in a high speed such that the grass cut by the cutter members will not fly out in a fast speed. Two followers are secured to the cutter members respectively, and two cams are engaged with the followers for rotating the followers and thus the cutter members in the reciprocation action relative to each other for forming the shearing action.

Abstract: A hand held cutter which is self guiding and includes a roller with a resilient workpiece contacting surface and is rotatably mounted adjacent each pair of cutting rolls on a cutting roll supporting body. When the cutting roll supporting body is pulled or pushed across a sheet to be cut, the rollers frictionally engages the upper and lower surfaces of the sheet and tend to guide the cutter in a straight line.

Abstract: A cutting apparatus in a strong plastic housing having two rotatable slitter blades. The cutting apparatus is mounted on a guide rail for movement by hand across a tightly held sheet of media such as paper, vellum or film. The slitter blades are mounted back-to-back at an angle, and the shafts to which the blades are mounted are positioned in the housing so that their longitudinal axes are not parallel to each other. This offset minimizes the region of contact between the two blades.

Abstract: A tool for removing nail fins from vinyl window frames comprising either a pneumatic wrench or an electric hand drill driving a tool having a slot into which cutter wheels project along with toothed rings above the cutter wheels. The toothed rings move the tool along the nail fin while the cutter wheels cut the nail fin from the frame.

Abstract: A circular saw head (1) for the cutting of side boards (3) from a log (2), as a circular saw blade (4) mounted on a saw shaft (10) by a support flange (5). Within a rim of saw teeth (13) and radially spaced apart from it a frontal annular support surface (12) is provided, extending axially over the frontal surface (8) of the saw blade (4) and located in the plane of the frontally outer edges (14) of the saw teeth (13). The support surface (12) supports the surface cut on the wood by the saw teeth (13), thereby guiding the wood.

Abstract: To mow even soft grass more tidily in shearing mode without kicking pebbles, a pair of two grass cutting wheels are pivotally driven by an engine in two mutually-different directions. One cutting wheel is slidably fixed relative to the other cutting wheel for safety. The mowing machine can be used in common to shear off grass on the ground and trim a garden tree by adjusting an angle between a hollow grip pipe and the machine cutting surface.

Abstract: An envelope opener is formed of a rectangular casing having a central transverse guide slot, two cutting disks project into the slot from either side and have mutually interfacing edge portions thereat. A spring resiliently maintains the edge portions of the disks in constant contact in the slot. The guide slot has an upwardly convex bottom surface to reduce friction of an envelope being guided through the slot.

Abstract: A rotary type nibbler comprising a spindle having a helical groove, the spindle being rotatable in a body which terminates in a flat workpiece engagement face which is at an angle with respect to the axis of rotation approximating the helix angle of the groove so that the edge of a workpiece when urged into engagement with the root of the groove will have cut from it a crescent shaped slug.

Abstract: An edger for cutting a furrow between a sidewalk edge and adjacent soil includes first and second blades fixedly mounted on a horizontally extending motor driven shaft. The first blade includes a pair of elongated soil cutting arms extending oppositely from a central portion fixedly mounted on the shaft. The second blade includes a central portion fixedly mounted on the shaft and a pair of elongated arms crossed with respect to the arms of the first blade. Each of the arms of the second blade includes an outer planar portion and an intermediate inclined portion on which the outer portion is mounted so that the outer portion is in a plane substantially parallel to and removed from a plane containing the segment of the center portion which intersects the and is at right angles to the shaft axis. Each outer planar portion has a longitudinal edge including a beveled longitudinal soil cutting surface, which in combination with soil cutting surfaces of the first blade forms the furrow.

Abstract: A rotary shear attachment and tool for laminated plastic and other materials is disclosed. The shear attachment comprises a frame which is fixed to an existing motor case and has an upper and a lower portion spaced apart and separated by a central portion. Driving and cutting wheels are positioned on the frame and are rotatably mounted for cutting the plastic and other materials. A chip breaker is positioned on the frame to break up the chip formed by the shear attachment and the frame has means associated with it for diverting one side of the plastic being cut in a direction away from the plane of the other side of the plastic. The novel rotary shear attachment may be incorporated into an improved rotary tool, may be incorporated into existing rotary tools and may also be used with a novel table for cutting a large sheet of plastic at a job site.

Abstract: A rotary type nibbler comprising a spindle having a helical groove, the spindle being rotatable in a bearing sleeve which terminates in a flat workpiece engagement face which is at an angle with respect to the axis of rotation approximating the helix angle of the groove so that the edge of a workpiece when urged into engagement with the root of the groove will have cut from it a crescent shaped slug.

Abstract: A manual rotary-shear cutter for severing sheet metal stock has a cutting head and a handle joined by an extension tube engageable with and selectively retained at sites formed on the cutting head and handle. A series of preformed apertures spaced along the extension tube allows shortening of the overall length of the cutter by severing the extension tube and aligning the apertures nearest the end of the extension tube with passages formed at such sites, inserting fasteners therethrough, and releasably securing such fasteners. A connecting sleeve may also be provided to join individual extension tube segments, thereby forming a longer extension. Flanges formed integrally with the head define mounting sites for the cutting blades, and overlap the blade edges, to protect the cutting edges of the blades.

Abstract: A machine for cutting standing seams which connect roof panels together includes a cutter wheel located adjacent a platen wheel. The cutter wheel is movable and is moved toward the platen wheel by a jack-screw mechanism mounted on the frame of the machine.

Abstract: A cutting tool which may be pulled through sheet material to be cut has a pair of spaced circular cutting blades on a first shaft and a single circular cutting blade on a second shaft spaced vertically with respect to the first shaft and wherein both shafts are secured to a vertically standing flat body member in which a cutaway portion including a beveled surface defines paths for the work piece and a narrow section of material cut therefrom by the cutting tool.

Abstract: Apparatus to cut a carpet into two sections with the edge of each section being beveled. The apparatus employs two rotary cutters mounted at an angle to each other and which are driven at the same speed in the same direction.