Abstract: One aspect of the invention can include a cutting machine having a table, a cutting machine body supported by the table via a sliding mechanism to allow movement in a vertical direction and a horizontal direction, the cutting machine body including a fixed cover positioned around an upper side of a rotary blade mounted to a rotatably driven spindle, the rear edge portion of the fixed cover is recessed upward to enable a large cutting depth. The sliding mechanism includes an intermediate stopper mechanism that can be operated to switch between a state where the cutting machine body can slide within an entire slidable range and a state were the cutting machine body can slide only within a partial slidable range at a midway position.

Abstract: A miter saw which prevents deterioration in perpendicularity of a cutting blade to the upper surface of a base part when slide of a pipe is regulated by pressing a pipe. In a miter saw, a pair of pipes support a cutting part, on one end side. On the other end side, the pipes are surrounded and supported slidably by a first slide support part of a support member of a turntable. A virtual plane including the axes of the pair of pipes is substantially parallel to the pivotal direction of a disc saw blade. A first screw is screwed in the first slide support part. An end part of the first screw contacts and presses a pipe. This end part is engaged with the pipe so as to restrict slide of the pipe relative to the first slide support part.

Abstract: An eyeglass lens processing apparatus includes: a setting unit which sets points on an edge of a lens, where a line on a target lens shape and passing through the first and second points intersects a line on the target lens shape and passing through the third and fourth points; and a calculating unit which: obtains a first plane including a bisection point between the first and second points and perpendicular to the first line; obtains a second plane including a bisection point between the third and fourth points and perpendicular to the second line; obtains an intersection line of the first and second planes; obtains a bevel spherical surface so that a center of the bevel spherical surface is located on the intersection line and passes through a desired edge position; and obtains the bevel path on the basis of the bevel spherical surface and target lens shape data.

Abstract: A beveled-edge maker (1) for chamfering a workpiece (2), the tool comprising a knife assembly (4) adapted for attaching to a drive (5), and at least one guider (8) adapted such that the beveled-edge maker can be mounted to the edge of the workpiece and moved there along.

Abstract: To generate a bevel in an uncured composite layup, an edge of part cut through the composite layup is performed at about 90° relative to the composite layup and a bevel cut is performed on the edge of part.

Abstract: A miter saw includes a base unit, a cutting unit having a rotary cutting blade, a motor for driving the rotary cutting blade, and a housing having a blade cover for covering a part of the cutting blade and a motor housing connected to the blade cover, a supporting unit supported to the base unit for pivotably supporting the cutting unit, the supporting unit being configured to move the cutting unit toward and away from the base unit in a first direction, the supporting unit including a guide unit supported with respect to the base unit, and a sliding unit having a pivot shaft pivotably supporting the cutting unit, the sliding unit being slidable on the guide unit to move between a front position and a rear position in the second direction and the pivot shaft extending in a third direction which is perpendicular to the first and second directions.

Abstract: A dust collecting device for collecting cutting chips into a dust collecting container is provided. A back-flow preventing wall(s) is fixedly disposed on a flow path member defining a flow path between a machining apparatus and the dust collecting container. The back-flow preventing wall(s) is configured to decrease a cross sectional area of a flow path part defined by the flow path member in a downstream direction with respect to the flow of the air containing the cutting chips toward the dust collecting container.

Abstract: In a bench circular sawing machine as one example of a cutting machine, a vise assembly to be mounted to a guide fence includes a pressing part (e.g., an arm and a feed screw) configured to be capable of moving upward and downward and fixed at a desired height, in a position protrusively frontward of the guide fence, and a second pressing part (e.g., stopper plate) configured to be capable of moving along the guide surface upward and downward and fixed at a desired height. One of the pressing part and the second pressing part is selected for use in holding a workpiece down from above.

Abstract: A miter saw including a base, a turntable, a support section extending from the turntable, and a circular saw unit supported to the support section. A rotation amount detection unit detects rotation amount of the turntable relative to the base. The turntable has a tilt support, and the support section has a tilting section supporting the circular saw unit and supported to the tilt support. A tilting amount detection unit detects tilting amount of the tilting section relative to the tilt support. The turntable has a microcomputer computing a rotation angle of the turntable and tilting angle of the circular saw unit, and a RAM storing the detected rotation amount and the tilting amount installed therein. A battery unit is provided in the turntable for supplying electrical power to electronic components including the rotation amount detection unit, the tilting amount detection unit, and the microcomputer.

Abstract: A miter saw is disclosed having a base, a blade supported by the base, a detection system adapted to detect a dangerous condition between a person and the blade, and a reaction system associated with the detection system to cause a predetermined action to take place upon detection of the dangerous condition. The blade is rotatable, and moves into a cutting zone to cut a workpiece. The predetermined action may be to retract the blade from the cutting zone.

Abstract: An improved health and safety system for a table saw includes one or more of: a blade guard that protects the operator from the saw blade, and contains and collects sawdust; a proximity detector and emergency saw motor braking means for use in connection with such blade guard; an anti-kickback device for use in connection with such blade guard, a rip fence adapter for use in connection with such a blade guard, and hoses and fittings to connect the dust containment and collection system of said blade guard to a shop dust collection blower or vacuum system. The system protects the saw operator from potential traumatic injury to a hand, and from ingesting potentially carcinogenic sawdust.

Abstract: The invention is based on a machine tool, in particular a circular power saw, for machining a workpiece, having a covering (10) for guarding a user against machining residues of the workpiece that occur in operation and having an adjustable residue guide (12, 14) for carrying away at least some of the machining residues through an outlet opening in a defined direction in accordance with the position of the residue guide (12, 14). It is proposed that the residue guide is adjustable in such a way that in one position of the residue guide (12, 14), at least some of the machining residues are carried onward inside the covering (10).

Abstract: Miter saws are disclosed having a base, a blade supported by the base, a detection system adapted to detect a dangerous condition between a person and the blade, and a reaction system associated with the detection system to cause a predetermined action to take place upon detection of the dangerous condition. The blade is rotatable, and moves into a cutting zone to cut a workpiece. The predetermined action may be to stop the blade from rotating, to create an impulse against movement of the blade into the cutting zone, or to cause the blade to move away from the cutting zone. The reaction system may include a brake member coupled to a housing.

Abstract: A miter saw includes a base section having a front side and a rear side defining a first direction, and having a right side and a left side those defining a second direction. A holder is movably supported to the rear side of the base section and pivotable in the second direction. A fixing mechanism fixes a pivot position of the holder relative to the base section. A guide bar section includes two guide bars supported to the holder and extending in the first direction. A saw blade support section is disposed slidable with respect to the guide bars and selectively position-fixable with respect to the guide bars. A saw blade section which is pivotably supported accommodates a motor and rotatably supports a circular saw blade driven by the motor.

Abstract: A miter saw including a base, a turntable, a support section extending from the turntable, and a circular saw unit supported to the support section. An adjustment mechanism is provided between the base and the turntable for performing fine-adjustment to the rotation angle of the turntable relative to the base. The adjustment mechanism is located at a front side of the turntable, and a digital display is provided near the adjustment mechanism for displaying the rotation angle.

Abstract: A clay cutting and beveling tool (100, 300) includes a guide ruler (115) including a guiding edge (410) and a cutting guide (120) in sliding engagement with the guiding edge. The cutting guide includes a body (520) formed with a plurality of angled through holes (530) each passing through the body at a different angle. The tool (100) is placed onto a clay slab (105) with a support surface (445) in contact with a top surface of the clay slab. A pin tool (110) is inserted into one of the angled through holes and left in engagement with the angled through hole as the cutting guide is advanced along the guiding edge. The pin tool cuts the clay slab with a beveled cut. A non-beveled through hole (535) also passes through the body (520) and is used to make non-beveled cuts.

Abstract: A miter saw includes a base, a rotatable table, a saw arm, a driver, a saw blade, and two supporters. The rotatable table is pivotally mounted to the base and is rotatable relative to the base. The rotatable table includes a support surface configured to receive a workpiece thereon. The saw arm is coupled to the rotatable table and is pivotable downwards towards the support surface. The driver is mounted on the saw arm. The saw blade is mounted on the saw arm and is driven by the driver to cut the workpiece. The two supporters are respectively pivotally mounted to the rotatable table and are configured to support the workpiece thereon while in a supporting position, and to be pivoted to an unobtrusive stowed position when not in use.

Abstract: A cutting machine includes a main body in which a rotary blade is included, a base over which a workpiece is to be placed, and a guide fence mountable to the base. The main body is provided above the base in such a manner that the main body is movable upward and downward, and a longitudinal direction of the guide fence is perpendicular to the rotary blade as viewed from top when the guide fence is mounted to the base. The guide fence provides a guide surface that extends in the longitudinal direction of the guide fence and is configured to be rendered perpendicular to a top face of the base when the guide fence is mounted to the base. The guide fence includes a stopper that is configured to project from the guide surface, to be movable upward and downward, and to be fixed at any level.

Abstract: Woodworking machines are disclosed having cutting tools for cutting workpieces. The machines include a detection system adapted to detect one or more dangerous conditions between a person and the cutting tool. The machines also include a mechanism having a moveable component adapted to move upon detection of the dangerous condition by the detection system. Movement of the moveable component contributes to one or more of the following actions to mitigate or prevent injury to the person: deceleration of the cutting tool, retraction of the cutting tool, and placement of a barrier over at least a part of the cutting tool. An actuator is adapted to move the moveable component at a high acceleration when the dangerous condition is detected.

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: A miter saw having a base assembly, a rotatable table rotatably disposed on the base assembly, and a saw assembly rotatably supported by the table. The miter saw also has a miter lock assembly for locking the rotational position of the saw of the table relative to the base assembly.

Abstract: Woodworking machines are disclosed having cutting tools adapted to cut workpieces. The machines include a safety system adapted to detect one or more dangerous conditions between a person and the cutting tool, and to stop movement of the cutting tool upon detection of the dangerous condition. At least part of the safety system is housed in a removable cartridge substantially sealed against entry of sawdust.

Abstract: A saw assembly has a fixed fence and a moveable fence. The fixed fence has a groove for receiving a tongue of the moveable fence. The tongue of the moveable fence has a first groove and a second groove for controlling a range of movement of the moveable fence relative to the fixed fence.

Abstract: A miter saw has a base assembly, a table assembly rotatably disposed on the base assembly, a support housing connected to the table assembly, and a saw assembly pivotably attached to the support housing. The saw assembly is pivotable downwardly for cutting a workpiece disposed on the table assembly. The saw has a miter lock assembly including a shoe assembly connected to the table housing and movable between a first position not contacting the base assembly and a second position contacting the base assembly. The shoe assembly has a movable shoe for adjusting the angular position of the table assembly relative to the base assembly.

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 method and apparatus are provided, for positioning a work piece, such as a piece of crown molding, through use of an apparatus including a work piece support plate pivotably attached along a pivot axis to a base. The base is adapted to rest on a horizontal reference plane, such as the table of a meter saw, for pivoting motion of the support plate about the pivot axis to a desired angle with respect to the base, while the pivot axis is simultaneously positioned to extend substantially parallel to a longitudinal line of intersection between a horizontal and a vertical reference plane, established by the table and fence of the meter saw, to hold the work piece at a desired tilt angle with respect to the vertical reference plane, so that the work piece may be cut in substantially the same orientation as it will be mounted.

Abstract: A table saw having an adjustable blade, a detection system to detect contact between a person and the blade, and a brake mechanism to engage and stop the blade upon detection of contact between the person and the blade is disclosed. The saw includes a brake positioning system that adjusts the position of the brake mechanism to maintain the brake mechanism in an operative position relative to the blade as the position of the blade is adjusted. The saw also may include a retraction system that urges the blade downward, away from a user, upon detection of contact between a person and the blade. The retraction system may include a releasable gear. The saw may be constructed so that the blade is adjustable up and down around a pivot point downstream of the blade relative to the feed direction.

Abstract: A machine tool, in particular a circular power saw, for machining a workpiece, has a covering (10) for guarding a user against machining residues of the workpiece that occur in operation and an adjustable residue guide (12, 14) for carrying away at least some of the machining residues through an outlet opening in a defined direction in accordance with the position of the residue guide (12, 14). The residue guide is adjustable in such a way that in one position of the residue guide (12, 14), at least some of the machining residues are carried onward inside the covering (10).

Abstract: A miter saw which prevents deterioration in perpendicularity of a cutting blade to the upper surface of a base part when slide of a pipe is regulated by pressing a pipe. In a miter saw, a pair of pipes support a cutting part, on one end side. On the other end side, the pipes are surrounded and supported slidably by a first slide support part of a support member of a turntable. A virtual plane including the axes of the pair of pipes is substantially parallel to the pivotal direction of a disc saw blade. A first screw is screwed in the first slide support part. An end part of the first screw contacts and presses a pipe. This end part is engaged with the pipe so as to restrict slide of the pipe relative to the first slide support part.

Abstract: A miter jig has a base member. A securing device is coupled to the base member to secure a workpiece to the base member. A saw blade guide is coupled to the base member. The saw blade guide is adjustable to hold different size saw devices. A position of the saw blade guide is adjustable to allow cuts of different angles and depths.

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: To generate a bevel in an uncured composite layup, an edge of part cut through the composite layup is performed at about 90° relative to the composite layup and a bevel cut is performed on the edge of part.

Abstract: A cutting angle display device for use in a miter saw for displaying an optimum cutting angle of a construction member and a miter saw having the cutting angle display device. A first construction member having a first cut end will be installed on a first wall, and a second construction member having a second cut end will be installed on a first wall in such a manner that the first and second cut ends are spliced with each other at a corner portion between the first and second wall. To provide the first and second cut ends with the optimum cutting angle, an angle between the first and second wall is input, and a microcomputer selects the optimum cutting angle based on the input angle, and the selected optimum cutting angle is displayed. A user can cut the construction member by means of the miter saw with the displayed optimum cutting angle.

Abstract: A stopper is usable without requiring time and a complicated operation. A jig for a mitre circular sawing machine includes a holder attached to a side surface of a base of a mitre circular sawing machine, and a work support configured to be connected to the holder, and in a state in which the holder is attached to the base, to be movable between a stopper plate position where the work support is placed on the base and an upper surface of the work support becomes parallel to an upper surface of the base and a retreating position where the work support retreats outside the base.

Abstract: An angular adjustment apparatus for a miter saw having a base and a turntable mounted to the base and rotatable around a generally centrally located axis, the turntable having a handle portion for rotating the turntable relative to the base. The apparatus includes an arcuate rack gear positioned on the base, and an elongated adjustment mechanism associated with the handle portion. The adjustment mechanism includes a pinion gear configured to engage the rack gear when brought into contact therewith, and a control wheel operatively connected to the pinion gear. The control wheel is rotatable around an axis concentric with the pinion gear and moveable along the concentric axis to cause the pinion gear to selectively engage and disengage the rack gear, wherein rotation of the control wheel while the pinion gear is engaged with the rack gear causes the turntable to rotate relative to the base.

Abstract: A rotary worktable positioning structure used in a miter saw is disclosed to include a first positioning unit controllable by biasing a handle to lock the worktable to the machine base or to unlock the worktable for free rotation, and a second positioning unit controllable by rotating a switching wheel to move a lock pin into one of a number of locating holes on the periphery of the machine base and to further lock the worktable in one of a number of predetermined cutting angles.

Abstract: Safety systems for power equipment and components and brake cartridges for use in those safety systems are disclosed. The safety systems, components and brake cartridges are specifically applicable for woodworking equipment such as saws. An exemplary brake cartridge includes a housing and a braking component configured to engage a moving part of the power tool upon occurrence of a predetermined event. The brake cartridge may further include a switch configured so that proper installation of the cartridge in the power tool triggers the switch.

Abstract: Embodiments of a power miter saw comprises a saw base having a fence for positioning a work piece, a table rotatably connected to the saw base, a miter arm assembly for angularly positioning the table, a saw blade and motor assembly pivotally connected to the table having a normally elevated rest position and being configured to lower a saw blade toward the table, a handle connected to the saw blade and motor assembly for lowering the saw blade into cutting position, an activation switch adjacent the handle and positioned to be engaged by an operator, a proximity sensor disposed on the saw blade and motor assembly for detecting the presence of objects within a zone of detection associated with the table, and electrical circuitry connected to the proximity sensor configured to generate an electrical detection signal in response to the proximity sensor detecting the presence of an object.

Abstract: Table saws with elevation mechanisms are disclosed. One embodiment includes a table saw with a blade, an elevation carriage, a trunnion structure, and a shaft positioned beyond the perimeter of the blade. Another embodiment includes a second shaft interconnecting the elevation carriage and trunnion structure, where the second shaft is positioned beyond the perimeter of the blade.

Abstract: To generate a bevel in an uncured composite layup, an edge of part cut through the composite layup is performed at about 90° relative to the composite layup and a bevel cut is performed on the edge of part.

Abstract: A cutting table arrangement for profiled sections to be joined at a predetermined angular position at miter cuts. The cutting table arrangement has a cutting table, an angle-adjustable cutting device arranged on the cutting table, a first holding device arranged on the cutting table for holding a first straight profiled section in alignment with the first cutting device, and at least one second holding device for a second profiled section that is to be secured in a predetermined position and at a predetermined angle relative to the first profiled section on the cutting table. A first marking aid is provided at the first holding device for providing an aligned lateral extension toward the second profiled section. A second marking aid is provided for indicating the cutting line correlated to the first cutting device.

Abstract: A power tool includes a housing assembly having a housing portion and an arm extending upwardly from the housing portion. The arm has an outer surface. The power tool also includes a drive unit supported by the arm. The drive unit is operable to drive a tool element to work on a work piece. The power tool further includes a collection assembly operable to collect debris generated by the tool element working on the work piece. The collection assembly includes a collection chute assembly having an inlet and an outlet. The collection chute assembly is positionable on the arm to define, between the inlet and the outlet, a first path for debris around one side of the outer surface of the arm and a second path for debris around the other side of the outer surface of the arm.

Abstract: A saw, such as a chop saw, a miter saw, a sliding saw, a compound miter saw, etc. In some constructions, the saw may include a miter adjustment assembly including a coarse adjustment assembly and a fine adjustment assembly. In some constructions, the saw may include a bevel adjustment assembly including a brake mechanism and a bevel detent assembly. In some constructions, the saw may include a dust collection assembly including a dust chute defining a dust both around the bevel arm. In some constructions, the saw may include a table having a top wall with a peripheral rim and a side wall depending from the top wall, and a base defining an opening in which the side wall is received and a ledge above which the rim is positioned. In some constructions, the saw may include elastomeric material covering a portion of the base, such as a bottom surface, a lateral surface, a grip surface, etc.

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 saw having a table assembly, a pivot arm, a saw blade and a dust collection system. The table assembly includes a workpiece support surface upon which a workpiece can be supported. The pivot arm is pivotally mounted to the table assembly, and includes a driver and a dust collection passage. The saw blade is mounted on the pivot arm and is driven by the driver for cutting the workpiece. The dust collection system includes a groove having one end which connects to the table assembly, and another end extending to the dust collection passage. Sawdust and/or chips generated during the cutting operation are transferred to the dust collection passage along the groove and are discharged out of the saw.

Abstract: Woodworking machines are disclosed having cutting tools adapted to cut workpieces. The machines include a detection system adapted to detect one or more dangerous conditions between a person and the cutting tool. The machines also include a brake mechanism having one or more braking components adapted to engage and stop the cutting tool in response to the detection of a dangerous condition.

Abstract: The present invention is directed toward a repositioning device for a tool such as miter saw. The device includes a tool platform rotationally coupled to a base platform via a reorientation mechanism. The tool platform supports the miter saw. The base platform connects directly to a workbench, or connects to a support assembly that supports the cutting tool on a supporting surface.

Abstract: A miter saw having a laterally tiltable cutting portion and a fence unit that supports a workpiece without mechanical interference with the cutting portion regardless of its laterally tilting posture. A left fence unit and a right fence unit are provided on a base portion. The left fence includes a fixed left fence, a first left subordinate fence pivotally movably connected to the fixed left fence, and a second left subordinate fence pivotally movably connected to the fixed left fence. The first left subordinate fence is moved to a first position outside of a first titling region of the cutting portion, and to a second position outside of the first tilting region and a second tilting region in which a tilting angle of the cutting portion is greater than that in the first tilting region.

Abstract: Power tool includes a movable blade and a detection system for detecting contact between the blade and an object. Detection system includes an excitation plate capacitively coupling the drive signal to the movable blade. A circuit generates an in phase component signal and a quadrature component signal from a blade current signal indicative of the instantaneous current drawn by the movable blade and calculates an energy of the blade current signal considering the in-phase and the quadrature components. The circuit compares the energy of the blade current signal to an adaptive trigger threshold to detect contact between the blade and the object based on whether the energy of the blade current signal is greater than the adaptive trigger threshold.

Abstract: A cutting device includes a base, a swivel seat rotatably mounted on the base and having a first end and a second end, and a blade holder releasably engaged with the second end of the swivel seat. A blade is rotatably held by the blade holder. The blade holder is pivotable relative to the swivel seat for cutting when the blade holder is engaged with the second end of the swivel seat. An inclination of the blade relative to the swivel seat is adjustable when the blade holder is disengaged from the second end of the swivel seat. An operative rod is mounted to the first end of the swivel seat and operably connected to the blade holder for controlling releasable engagement between the blade holder and the swivel seat.