Abstract: An electric circular saw includes a base, a saw blade, a body and a shield. The shield includes a fixed shield, the fixed shield is provided with a window for a user's line of sight to view the saw blade. The body includes a main handle and an auxiliary handle, the auxiliary handle is disposed on a front side of the main handle, the window has an upper extreme position farther from the base, and a cutting point of the saw blade on a product is defined as a position of saw tip, a straight line passes through the upper extreme position of the window and the position of saw tip is defined as a visible line, and the auxiliary handle is configured to deviate from the visible line.

Abstract: A working machine includes a working part; a motor configured to drive the working part; a motor housing covering at least a part of the motor; an outer housing covering at least a part of the motor and at least a part of the motor housing; and a light emitter disposed at a part of the motor housing that is covered by the outer housing. The outer housing includes an opening at a part of the outer housing that faces the light emitter. The opening allows light emitted from the light emitter to pass through the opening.

Abstract: A compound saw includes a base, a housing, a transmission component and a table, the rear end of the table is rotatably connected to the housing, and is engaged with the cutter head through the transmission component, so as to expose the cutter head out of the first cutting slit or out of the second cutting slit when the front end of the table swings upward and downward. The cutter head of the compound saw can be switched between the bench cutting mode and the miter cutting mode. Accordingly, on one hand, the structure for switching between modes is simple and does not require the cooperation of too many parts; on the other hand, the switchover can be realized simply by manually operating the movable bench, without too many operations.

Abstract: A narrative includes a number of serially connected narrative segments combined by a director or editor in a defined sequence to tell a story. Quite frequently a number of different narrative segments are available to the director or editor. A content delivery editor provides editors and directors with the ability to augment a standard with additional narrative segments that provide alternate perspectives, view, or insights to the narrative consumer. Such provides the ability to convey the same narrative to the narrative consumer using a number of plots, storylines, or perspectives. Branch points in the narrative, defined by the editor or director, provide the narrative consumer the opportunity to follow a storyline they find interesting. Each narrative consumer follows a “personalized” path through the narrative. Through social media, narrative consumers are able to discuss the narrative path with other narrative consumers who have taken a different path through the narrative.

Abstract: A laser centering tool for surface areas used to find the center point or area of a surface. The laser centering tool uses multiple laser units or sources to project a plurality of lines on a horizontal or vertical surface. It may comprise of multiple lasers, rotational plates, prism, beam splitter, gear housing, and/or a gear mechanism. Edge lasers may be moved to outline the edge of a surface. The device may be in a cylindrical housing shape having an upper and lower base where the upper and lower base portion pivot relative to each other. The upper base housing portion may have segmented housing portions which may rotate in opposite but simultaneous rotational directions from an adjacent segment and the rotational segments may each have a laser unit.

Abstract: A laser-guided cutting assembly for severing objects includes a work surface. A severing implement is operationally coupled to the work surface. The severing implement comprises at least one blade that is configured to cut an object that is positioned on the work surface. A display and a measurer are coupled to the work surface. The measurer is laser-enabled and is operationally coupled to the display. The measurer is configured to measure a first distance between the measurer and the blade, and to measure a second distance between the measurer and an end of the object that is positioned between the blade and the measurer. A portion of the object that is positioned between the blade and the measurer has a severable length equal to the first distance minus the second distance. The display is configured to report to a user the severable length of the object.

Abstract: One embodiment provides a papermaking machine, which includes a wire for conveying a fiber web; a trim squirt for making a cut line in the fiber web; a machine reference; and a measurement device for measuring a distance between the cut line and the machine reference, the device comprising a laser adapted to illuminate the cut line and determine a location of the cut line for the measuring. Methods of making and using the papermaking machine are also provided.

Abstract: A power saw includes a bevel member and a cutting assembly pivotably connected to the bevel member. The cutting assembly includes a blade, a blade guard at least partially covering the blade, and at least one machined cutting assembly surface. A laser alignment device is connected to the cutting assembly. The laser alignment device includes a laser body fixed to a slideable carriage having a machined carriage surface that directly engages the machined cutting assembly surface. The slideable carriage is configured to move relative to the machined cutting assembly surface with substantially only one degree of freedom defined by an axis of translation.

Abstract: A laser alignment device for a circular saw includes a base located on a blade guard of the circular saw, and a laser module mounted at the base. The laser module includes a retaining seat pivotally connected to the base, an auxiliary seat mounted at the retaining seat, and a laser beam generator installed in the auxiliary seat. A first adjusting unit includes a first knob and a first eccentric shaft connected to the first knob and coupled to a first elongated slot in the retaining seat for allowing adjustment of the angle of inclination of the laser beam generator by rotating the first knob. A second adjusting unit includes a second knob and a second eccentric shaft connected to the second knob and coupled to a second elongated slot in the auxiliary seat for allowing adjustment of the angular position of the laser beam generator by rotating the second knob.

Abstract: The motorized cutter with wheels (10) comprises a motorized cutter (20) and a carriage (30). The motorized cutter (20) is equipped with an engine (24), a blade (22) rotatably driven by the engine (24), and a light-emitting unit (50) that generates laser light (52) in the same plane as the plane of rotation of the blade (22). A roadbed (90) is then cut along a line (X) drawn on the roadbed (90) by operating the motorized cutter with wheels (10) so that the line (X) is irradiated with the laser light (52). It is possible to remove the motorized cutter (20) from the carriage (30) together with the light-emitting unit (50).

Abstract: Instruments for use in resecting, reshaping, and preparing the end of a bone to receive an implant. The instruments may be equipped with indicator devices in the form of light-emitting devices to project an indicator onto the bone. Examples of such instruments may be a cut guide equipped with a built-in cut plane indicator device and a cut plane indicator device for use with existing cut guides. The cut plane indicator device may provide a visual indication or cue on a surface of the bone indicating where the cut plane of the cut guide will intersect the bone.

Abstract: A cutting tool includes a tool unit having a rotary circular blade, a movable cover mounted to the tool unit and having a cover body movable in a moving direction to cover and uncover a part of the rotary circular blade by the cover body, and a position adjusting mechanism configured to adjust the position of the cover body of the movable cover in an adjusting direction different from the moving direction.

Abstract: A viewing window for a band saw machine includes a cover plate and a transparent plate mounted between two locating portions of the cover plate and facing a window opening penetrating through external and internal sides of the cover plate, such that the transparent plate is located between the locating portions of the cover plate. Thus, the transparent plate can be quickly and conveniently assembled on the internal side of the cover plate.

Abstract: A hand-held jigsaw includes a saw blade and control element for automating a tracking the saw blade, the hand-held jigsaw, or both along layout lines. A sensor, preferably a camera unit, detects a layout line provided on a work piece.

Abstract: A saw guide is attached to a circular saw to help make straight, accurate cuts along a line a desired distance from an edge of an object, such as a piece of wood. The guide includes a fence that can fold up by one or more hinges to store the fence out of the way when not in use, allowing the saw to be used like a conventional saw. The fence can be pivoted down, extending at about a 90 degree angle from the saw base, generally parallel to the radius of the saw blade. The distance from the saw blade and the fence can be adjusted and locked into place to make a cut having a desired width.

Abstract: A remote cutter head and a system therefore which can operate in confined spaces are provided. The remote cutting system including a cutter assembly driven by a fluid source, a pushrod hose coupling the cutter assembly to the fluid source, a control assembly detachably secured to the pushrod hose, and a monitor assembly coupled to at least one camera. The monitor assembly provides video images of the cutter assembly and cutter assembly surroundings. The cutting head including a fluid-driven gearmotor, the gearmotor including a two-piece housing, bearings, a pressure balanced gearmotor cavity, and two rotating members provided in the pressure balanced gearmotor cavity, one of the rotating members protruding from the cutting head. High-pressure fluid provided to the cutting head turns the two rotating members to drive a cutting bit attached to the rotating member protruding from the cutting head. Also provided is a cutting bit.

Abstract: A cutter including a base, a holder, a cutter blade portion, and a laser generator. The holder is supported on the base portion in an upright posture. The cutter blade portion supports a moving blade. The cutter blade portion is supported on the holder movable between an upper position and a lower position. The cutter blade portion is moved into the lower position to cut a workpiece supported on the base using the moving blade. The laser generator is attached to the holder or the cutter blade portion in an orientation to direct at least a portion of the laser light onto a position on the workpiece that is directly beneath the cutter blade portion when the cutter blade portion is in the upper position.

Abstract: The invention relates to an electrical machine tool, particularly a hand machine tool, having a contrast detection device, an analysis unit, and at least one sensor provided for capturing a surface of a work piece. According to the invention, the analysis unit is provided for detecting a differentiation of the surface from an at least partially automatic guide using data captured by a sensor.

Abstract: A table saw includes a workpiece support surface and a laser apparatus. The workpiece support surface defines a blade opening through which a cutting blade is configured to extend. The laser apparatus is configured to emit a laser light away from the workpiece support surface.

Abstract: A motorized saw in one embodiment includes a work support surface, a cutting blade supported above the work support surface and defining a cutting plane extending through a center portion of the cutting blade, a light source configured to generate a beam of light, a first reflector aligned with a first path in which a first portion of the beam of light travels and defining a first tracking line path along a first side of the cutting plane, the first reflector configured to move along and remain aligned with the first path, and a second reflector aligned with a second path in which a second portion of the beam of light travels and defining a second tracking line path along a second side of the cutting plane, the second reflector configured to move along and remain aligned with the second path.

Abstract: The invention relates to a punching device for processing samples, in particular dried samples, applied to a sample card, preferably liquids containing DNA, such as blood, saliva and the like, comprising at least one punching means (110) with a punch and a lower die, wherein the punch is movable between a resting position at a distance from the lower die and a punching position closer to the lower die, and wherein the punching means (110) has a receiving opening, into which a sample card can be introduced by means of a movable gripping unit (300) of the punching device (10) and can be positioned in relation to the punching means (110), and a punching drive (14), which can be coupled or is coupled to the punch of the punching means (110) and which drives the punch between the resting position and the punching position.

Abstract: A cutter including a base, a holder, a cutter blade portion, and a laser generator. The holder is supported on the base portion in an upright posture. The cutter blade portion supports a moving blade. The cutter blade portion is supported on the holder movable between an upper position and a lower position. The cutter blade portion is moved into the lower position to cut a workpiece supported on the base using the moving blade. The laser generator is attached to the holder or the cutter blade portion in an orientation to direct at least a portion of the laser light onto a position on the workpiece that is directly beneath the cutter blade portion when the cutter blade portion is in the upper position.

Abstract: Micro-cutting machines for forming cuts in catheters, guidewires, and similar products, are disclosed, including a micro-cutting machine that can directly control the dimensions of the resultant beams being cut into products, and that can capture images of each cut for feedback control and accuracy verification.

Abstract: A material cutting system for trimming sheet material having a base, a blade engageable with the sheet material along a cut line and a material guide including an illuminated surface indicative of the location of the cut line. In one set of embodiments, an illuminating assembly produces light that is internally transmitted through a light guide portion of the material guide to the illuminated surface. The illuminated surface provides for ready and correct orientation of the sheet material to the desired position for cutting by the material trimmer.

Abstract: A cutter including a base, a holder, a cutter blade portion, and a laser generator. The holder is supported on the base portion in an upright posture. The cutter blade portion supports a moving blade. The cutter blade portion is supported on the holder movable between an upper position and a lower position. The cutter blade portion is moved into the lower position to cut a workpiece supported on the base using the moving blade. The laser generator is attached to the holder or the cutter blade portion in an orientation to direct at least a portion of the laser light onto a position on the workpiece that is directly beneath the cutter blade portion when the cutter blade portion is in the upper position. Alternatively, a holder has a shaft support portion, and a slide shaft is axially slidably supported by the shaft support portion. A front end of the slide shaft has a hinge holder which pivotally supports the cutting blade portion. A laser generator is fixed to a front side of the hinge holder.

Abstract: A cutting tool suitable for cutting a workpiece placed on a photocurable adhesive layer is provided. The cutting tool includes a main body, a cutting layer and a light emitting material. The cutting layer is disposed on a surface of the main body and is applicable in cutting the workpiece. The light emitting material is disposed inside the cutting layer or between the main body and the cutting layer. The light emitting material is suitable for emitting a light capable of curing the photocurable adhesive layer adjacent to a cutting path as the workpiece is cut by the cutting layer.

Abstract: Hand-held electrical shears has a housing with a tool head and a grip part, an electric motor, a drive shaft driven by the electric motor via a transmission, a rotatable tool mounted on the drive shaft, and a rechargeable energy accumulator in the grip part. The transmission and a portion of the electric motor are in the tool head, an actuating element of an on/off switch is on an underside of the grip part, a grip cover is attached to a top side of the grip part. A shaft end section extending laterally out of the housing carries a bearing flange with a driving element for the tool, and a blade retaining plate with a counter-blade and a supporting base are detachably attached in a flattened region of the housing.

Abstract: A table saw includes a workpiece support surface and a laser apparatus. The workpiece support surface defines a blade opening through which a cutting blade is configured to extend. The laser apparatus is configured to emit a laser light away from the workpiece support surface.

Abstract: A table saw including a table top having an opening configured to receive a blade. A cutting tool is configured to rotate the blade within the opening of the table top. A light alignment apparatus is configured to be selectively mounted in an upright manner at a plurality of locations on the table saw and direct a beam of light on to the table top from each of the plurality of locations on the table saw. The plurality of locations on the table saw include a first location on the table top and a second location on the cutting tool.

Abstract: A method for adjusting a height of a circular slitter blade includes rotating the slitter blade and the receiving roll such that an outer circumferential surface of the slitter blade and the receiving roll move in the same direction as the traveling direction of the corrugated board web; emitting a light beam in a width direction of the corrugated board web to pass through a contact point of the outer circumferential surface of the receiving roll with the corrugated board web; determining a height of the slitter blade at which the circular outer edge of the slitter blade intercepts the light beam while moving the slitter blade toward the receiving roll; and setting the height of the slitter blade to the determined height as a slitting position.

Abstract: A miter saw with a cutting alignment device includes a base with a work surface provided thereon. A bevel support is pivotable with respect to the base and a cutting blade is supported by the bevel support. A dust chute is adjustably secured to the bevel support and pivots with respect to the base when the bevel support pivots. The dust chute includes mounts that allow lateral adjustment of the dust chute with respect to the bevel support. A laser alignment device is positioned on the dust chute and configured to emit a beam of light toward the work surface. The dust chute includes a receptacle designed and dimensioned to releasably hold the laser alignment device. Because the laser alignment device is retained on the dust chute, adjustment of the dust chute also results in adjustment of a beam of light emitted from the laser alignment device.

Abstract: A portable circular saw includes a housing, including a motor, a circular saw blade, a saw cover, and a light irradiation unit. The blade is driven by the motor for cutting in a cutting direction. The circular saw blade has one side surface and another side surface. The saw cover is provided to the housing for partially covering the circular saw blade. The light irradiation unit is provided on the saw cover. The light irradiation unit includes a first irradiation device located on the one side surface side of the blade and a second irradiation device located on the another side surface side of the blade for emitting a light to illuminate a region including a leading end portion of the circular saw blade and a spot on the cutting object. The spot is ahead of the leading end portion in the cutting direction.

Abstract: The present invention discloses a guard assembly for a saw blade, which includes an inner guard portion and an outer guard portion. The inner and outer guard portions define a containing space therebetween. A circular saw blade includes two parallel sides and a rotating axis perpendicular to the two sides. At least a portion of the saw blade is located within the containing space. The outer guard portion is pivotally connected with the inner guard portion about a pivotal axis which is substantially parallel to each side of the blade. The improved guard assembly, which can be opened laterally, is convenient to change the saw blade and to clean the inner of the guard.

Abstract: A power tool with an alignment device includes a circular saw blade which defines a front side and a rear side of the power tool. The power tool further includes a light source and a light guide positioned on the front side of the power tool. The light guide is configured to direct a beam of light from the light source to a position in front of the circular saw blade and provide a kerf indicator for the circular saw blade. In various embodiments, the kerf indicator may be a shaded line or an illuminated line. The light guide may be connected to a blade guard that at least partially covers the circular saw blade. In at least one embodiment, the light guide is provided on the front side of the power tool as an elongated fin substantially aligned with the circular saw blade.

Abstract: Embodiments are directed to a modular saw guard system for a power saw having a top and a vertically adjustable blade, the system comprises a riving knife mechanism, a blade guard mechanism that is releasably mounted to the riving knife mechanism when the riving knife mechanism is at least in its extended position, the blade guard mechanism generally covering the blade and being adjustable to enable a work piece to be moved into cutting position by the blade and a kickback prevention mechanism that is releasably mounted to the riving knife mechanism when the riving knife mechanism is at least in its extended position, the kickback prevention mechanism being configured to engage a work piece as it is being cut by the blade and apply resistance to prevent the work piece from being expelled in the reverse direction.

Abstract: A power tool, particularly a hand-held power tool, is provided with a sensor unit for sensing an observation area on the workpiece side with varying resolution and having arranged in front of it a lens system with lenses of varying focal length.

Abstract: The motorized cutter with wheels (10) comprises a motorized cutter (20) and a carriage (30). The motorized cutter (20) is equipped with an engine (24), a blade (22) rotatably driven by the engine (24), and a light-emitting unit (50) that generates laser light (52) in the same plane as the plane of rotation of the blade (22). A roadbed (90) is then cut along a line (X) drawn on the roadbed (90) by operating the motorized cutter with wheels (10) so that the line (X) is irradiated with the laser light (52). It is possible to remove the motorized cutter (20) from the carriage (30) together with the light-emitting unit (50).

Abstract: The invention relates to a hand machine-tool, especially electrical shears, comprising a housing (13) provided with a tool head (14) and a grip part (15), an electric motor (18) arranged in the housing (13), a switch (22) for the electric motor (18), and a drive shaft (16) mounted in the tool head (14), transversally to the housing axis. The drive shaft can be driven by the electric motor (18) by means of a transmission (19). The hand machine-tool also comprises a rotary tool (11) that can be fixed to the drive shaft (16). The aim of the invention is to create a compact, structurally small and lightweight hand machine-tool for work without generating fatigue. To this end, a small-volume, rechargeable energy accumulator, preferably a lithium ion accumulator (20), which feeds the electric motor (18) and has a high charging capacity, is arranged in the grip part, together with an electronic plate (21) and the switch.

Abstract: A cutter including a base, a holder, a cutter blade portion, and a laser generator. The holder is supported on the base portion in an upright posture. The cutter blade portion supports a moving blade. The cutter blade portion is supported on the holder movable between an upper position and a lower position. The cutter blade portion is moved into the lower position to cut a workpiece supported on the base using the moving blade. The laser generator is attached to the holder or the cutter blade portion in an orientation to direct at least a portion of the laser light onto a position on the workpiece that is directly beneath the cutter blade portion when the cutter blade portion is in the upper position. Alternatively, a holder has a shaft support portion, and a slide shaft is axially slidably supported by the shaft support portion. A front end of the slide shaft has a hinge holder which pivotally supports the cutting blade portion. A laser generator is fixed to a front side of the hinge holder.

Abstract: A power saw comprises a bevel member and a cutting assembly pivotably connected to the bevel member. The cutting assembly includes a blade, a blade guard at least partially covering the blade, and at least one machined cutting assembly surface. A laser alignment device is connected to the cutting assembly. The laser alignment device includes a laser body fixed to a slideable carriage having a machined carriage surface that directly engages the machined cutting assembly surface. The slideable carriage is configured to move relative to the machined cutting assembly surface with substantially only one degree of freedom defined by an axis of translation.

Abstract: A cutting tool suitable for cutting a workpiece placed on a photocurable adhesive layer is provided. The cutting tool includes a main body, a cutting layer and a light emitting material. The cutting layer is disposed on a surface of the main body and is applicable in cutting the workpiece. The light emitting material is disposed inside the cutting layer or between the main body and the cutting layer. The light emitting material is suitable for emitting a light capable of curing the photocurable adhesive layer adjacent to a cutting path as the workpiece is cut by the cutting layer.

Abstract: A powered vinyl groover includes a motor attached to a circular blade and a blade housing for covering the circular blade. The blade housing includes a duct to carry cuttings into a collection bag. Near an inlet hole of the duct is a fin, which may be a raised surface on any interior wall of the blade housing extending into the blade housing as close as possible to the blade. The fin causes airflow from the blade to be redirected towards the inlet hole of the duct so that more cuttings enter the duct and are carried by the duct through to an outlet hole to a collection bag mountable over the outlet hole of the duct. The fin may be integral with the blade housing or attached to it, and a fin may also be added to existing groovers.

Abstract: A utility knife with a replaceable circular blade mounted to rotate on the end of the handle. The upper half of the blade is shrouded by the end of the handle, and freely rotates therein. A spacer with a roller end is mounted to be adjusted toward and away from a workpiece to adjust and control the blade's depth of cut. The handle includes a storage compartment for spare blades and has a pivoting cover. For use as a drywall knife, the blade has a continuous edge and a thicker central body that presents discontinuous “points” or edge bodies to the workpiece along the sides of a the cut made by the continuous edge, designed to push apart the paper cover or sheath on the drywall as it makes a cut, and to keep the blade rolling freely as it makes a cut. A tape measure can optionally be incorporated into a rounded handle portion.

Abstract: A desk-top cutting machine which includes a base that supports a wood material W and a turntable that has a rotating shaft part and is carried and supported on the base rotatably around the rotating shaft part. The desk-top cutting machine further includes a cutting part having a swinging shaft part. The cutting part is disposed on the turntable and supports a cutting blade, and swings the cutting blade approachably to and separably from the turntable. The desk-top cutting machine further includes a scale part and an indicator part which display a rotary angle of the turntable with the base, and an irradiation unit near the indicator part emitting light that illuminates the indicator part.

Abstract: The present invention relates to a scanning device for determining at least partial cross-sectional profiles of food products to be sliced in accordance with the light cutting process, having at least one illumination device for generating a light line on the surface of a product and having at least one detection device for taking images of the product surface including the light line, wherein the illumination device includes at least one light source which is configured to generate a light beam propagating in the direction of a scanning region for the product in a scanning plane and widening in so doing and includes an optically effective device which is arranged in the propagation path of the widening light beam and which is configured to counter the divergence of at least some of the incident light.

Abstract: A laser guide for rotating tools comprises a first housing portion and a second housing portion. A seal is provided between the first housing portion and the second housing portion. A lens is located in the first housing portion or second housing portion. A seal is provided between the lens and the first housing portion. A method of testing a laser guide comprising applying a pressure to an internal chamber of the laser guide. Monitoring the laser guide for pressure gains or losses in the chamber.

Abstract: A material cutting system for trimming sheet material having a base, a blade engageable with the sheet material along a cut line and a material guide including an illuminated surface indicative of the location of the cut line. In one set of embodiments, an illuminating assembly produces light that is internally transmitted through a light guide portion of the material guide to the illuminated surface. The illuminated surface provides for ready and correct orientation of the sheet material to the desired position for cutting by the material trimmer.

Abstract: A studio tool for working stock includes an upper housing, a lower housing, a viewfinder, a viewfinder cover, an alignment tool, and a pressure column. The upper housing and the lower housing are slidably connected so as to at least partially contain the alignment tool and pressure column. A main spring and lower springs may be used to bias the column blade.

Abstract: The invention relates to a machine tool (1), especially a machine tool designed as a handheld jigsaw (2), wherein an optical device (33; 59), the window (30) of which is associated with a protective system (35) against soiling and/or damage, is provided for the working field (9) of said machine tool and/or for a working line (27) in the detection surface (10) of said machine tool as a path specification.

Abstract: A cutter including a base, a holder, a cutter blade portion, and a laser generator. The holder is supported on the base portion in an upright posture. The cutter blade portion supports a moving blade. The cutter blade portion is supported on the holder movable between an upper position and a lower position. The cutter blade portion is moved into the lower position to cut a workpiece supported on the base using the moving blade. The laser generator is attached to the holder or the cutter blade portion in an orientation to direct at least a portion of the laser light onto a position on the workpiece that is directly beneath the cutter blade portion when the cutter blade portion is in the upper position. Alternatively, a holder has a shaft support portion, and a slide shaft is axially slidably supported by the shaft support portion. A front end of the slide shaft has a hinge holder which pivotally supports the cutting blade portion. A laser generator is fixed to a front side of the hinge holder.