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 cutter for cutting elongate material into sections, the cutter including a motor coupled to a blade shaft, wherein said motor selectively rotates said blade shaft, a blade mounted on said blade shaft and rotatable therewith, and an actuator adapted to drive said blade along a drive axis toward the material.

Abstract: A front-accessible bevel locking system for use with a power tool includes a mechanism for locking the power tool into a selected tilt or bevel position for bevel angle cuts. The bevel locking mechanism has a lever attached to a link rod by a cam mechanism such that, as the lever is moved to the locked position, the link rod holds a pivot support for the power tool at a bevel angle.

Abstract: An apparatus for placing a mold charge into a cavity includes a pair of hubs mounted for rotation around parallel axes, a link connected between the hubs at positions off-center relative to the parallel axes and a blade connected to the link. Rotation of the hubs causes the blade to travel in an elliptical path relative to an extrusion orifice to cut mold charges from the orifice and place the mold charges into cavities passing beneath the blade. The apparatus preferably includes a drive member that simultaneously rotates both of the hubs to drive the blade relative to the extrusion orifice and cavities. The blade preferably includes an arm that extends into a cavity to place a mold charge into the bottom of the cavity for consistent and accurate placement of the mold charges from one cavity to the next.

Abstract: A woodworking machine having one or more dangerous portions is disclosed. The machine also includes a safety system configured to detect accidental contact between a person and at least one of the dangerous portions by electrically coupling a signal to the person's body, and detecting if the signal becomes coupled to the dangerous portion.

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.

Abstract: Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable.

Abstract: A machine is described having at least one dangerous portion. The machine also includes a safety system to detect dangerous proximity between a person and the dangerous portion and perform a predetermined action to limit or prevent injury to the person from the dangerous portion.

Abstract: The present invention generally pertains to a saw device. More particularly, the present invention relates to a handheld centerless saw. The saw comprises a frame and a pair of driving rollers mounted to the frame for rotation. The saw also comprises an annular blade mounted between the drive rollers and functionally engaged thereby, where the blade defines frontward and backward hemispheres. At least two guide wheels are mounted to the frame, the guide wheels being positioned in the backward hemisphere of the blade. The guide wheels are operatively engaging the inner circular edge of the blade. A drive assembly mounted to the frame is operable for urging the countersense rotation of drive rollers, thereby causing rotation of the blade.

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 dust-collecting device for collecting cutting chips produced by a cutting device has a separator for separating the cutting chips from the carrier air by utilizing the force of gravity upon the cutting chips. A dust container collects the cutting chips separated by the separator. The separator includes a separator body having a cutting chip discharge pipe and an air discharge pipe. After separation the carrier air is discharged upward from the separator body via the air discharge pipe. The separated cutting chips are discharge downward from the separator body via the cutting chip discharge pipe. The dust container is connected to the cutting chip discharge pipe.

Abstract: A sawing machine includes a base, a saw arm assembly pivotally connected to the base and having a L-shaped groove defined therein, a saw blade pivotally mounted to the saw arm assembly, a handle pivotally mounted to the L-shaped groove of the saw arm assembly for rotatable movement relative to the saw arm assembly, and a locking mechanism mounted to the handle for locking the handle to the saw arm assembly. Before operation, the handle is adjusted to the best angle that the user can conveniently apply the force, so that the user can operate the sawing machine easily and conveniently.

Abstract: An obliquely inclined position determining mechanism has an intermediate base rotatable relative to both a support base and a pivotal base of a pivotal support of a cutting device. A fixing device is operable to releasably fix the intermediate base in position relative to the support base or the pivotal base. An adjustable screw is operable to accurately determine the rotational position of the intermediate base relative to the pivotal base or the support base at least when the saw unit has been pivoted to a target obliquely inclined position.

Abstract: A fence assembly of a cut-off machine includes a fence base fixed above a worktable of the cut-off machine, a fence plate supported on and movable along the fence base, having a downwardly extending bottom panel and a locking structure for controlling whether the fence plate is locked to the fence base. The locking structure includes a fastener defining a separation with a constant length from the fence base, a first block, a second block and a press member. The first block, the second block and the bottom panel are positioned in the constant separation. The bottom panel is disposed between the second block and the fence base. The contact surface between the first block and the second block slopes toward the direction of the separation. The first block is movable substantially perpendicularly to the direction of the separation. The press member selectively presses the first block.

Abstract: A cutting device for a food processor includes a base, a cutting unit mounted on the base, a plurality of position adjustment units connected with the cutting unit to adjust a position of the cutting unit, a transmission unit mounted on the base and connected with the cutting unit to drive the cutting unit, a push unit connected with the transmission unit to drive the transmission unit, and a driving unit connected with the push unit to drive the push unit. Thus, each of the position adjustment units presses the cutting unit to adjust the position of the cutting unit so as to tighten and locate the cutting unit, thereby preventing the cutting unit from being loosened or vibrated.

Abstract: A miter saw has a remotely actuated bevel angle locking system and a bevel angle adjustment assistance system with a remote override actuator so that the user does not need to reach around to the back of the miter saw to adjust the bevel angle. The remote actuator for the bevel angle locking system can be provided on the front of the miter saw's turntable to form a suite of actuators with the miter lock and miter detent override lever. The remote override actuator for the bevel angle adjustment assistance system can be provided on the handle in proximity to the power switch. Also disclosed is a bevel angle adjustment assistance system in which each of the preset bevel angles can be fine tuned simultaneously and which exhibits other advantages.

Abstract: A miter saw capable of displaying a specific rotation angle of a turntable and a specific tilting angle of a circular saw blade when the turntable is moved to a position within a predetermined specific rotation angle range and when the circular saw blade is moved to a position within a predetermined specific tilting angle range, respectively. Normally, a digital display displays the rotation angle at a rate of a predetermined display unit rotation angle which is an integral multiple of a predetermined unit rotation angle corresponding to a single pulse. However, if the turntable is moved to the position within the predetermined specific rotation angle range, the specific rotation angle which is not the integral multiple of the predetermined display unit rotation angle is displayed at the digital display. The same is true with respect to the tilting angle.

Abstract: A spark trap device for containing sparks and metal filings generated when a chop saw cuts a metal includes a base plate receiving a chop saw to collect sparks and metal filings from the chop saw. Each of a pair of channels is coupled to opposing sides of the base plate and the chops saw is positioned between the channels. Each of the channels has one of a pair side walls coupled thereto and extending upwardly therefrom. A rear wall is coupled to and extends upwardly from a rear end of the base plate and is coupled to the side walls. A lid is hingedly coupled to the rear wall. The lid extends between the side walls when the lid is positioned over the side walls. The rear wall, the side walls and the lid deflect the sparks towards the base plate when the chop saw is in use.

Abstract: Woodworking machines are disclosed having movable cutting tools for cutting workpieces in a cutting region. The machines include a detection system adapted to detect one or more dangerous conditions between a person and the cutting tools, and a reaction system associated with the detection system. The reaction system is configured to retract the cutting tool at least partially away from the cutting region upon detection of a dangerous condition by the detection system.

Abstract: A miter saw includes a base section on which a workpiece is mounted, a saw blade section supporting a circular saw blade having a rotation axis extending in a lateral direction, a holder shaft extending in a direction perpendicular to the rotation axis, a holder tiltable about the holder shaft, two parallel guide bars disposed slidable with respect to the holder and extending toward the rotation axis, a support segment fixed to the guide bars and supporting the saw blade section, a pivot shaft disposed between the saw blade section and the support segment and extending in parallel with the rotation axis so that the saw blade section is pivotable about the pivot shaft, and a holder fixing mechanism that fixes a tilting posture of the holder and includes an operation member supported to the holder and having a rotatable shaft passing through a space between the two guide bars.

Abstract: A slide type miter saw capable of easily switching operation mode between groove forming mode and ordinary cutting mode without generation of fluffs and cracks at an upper surface of a workpiece. A circular-saw unit supporting a circular saw blade has a first stopper bolt abuttable on a stopper receiver on a support unit for determining the lowermost position of the circular saw blade. The circular-saw unit also has a second stopper bolt for forming a groove of a desired depth in the workpiece. The second stopper bolt is movable with respect to the first stopper bolt. The stopper receives supports a pivot member or a plate. The pivot member or the plate is abuttable on the second stopper bolt in accordance with a moved position of the second stopper bolt for regulating a depth of a groove.

Abstract: An automatic ice cream scooper. A cylinder of ice cream is placed vertically within a refrigerated container on a slicer having a disc shape. The slicer includes an angled slicing blade for removing ice cream. The slicer is rotated by a motor to remove the ice cream. The slicer has an upstanding edge with the screw thread formed thereon for removing the sidewall of the ice cream container.

Abstract: A method of thermally joining plastic eavestrough allows plastic eavestrough systems to be considered in more applications including traditional aluminum eavestrough systems where long lengths of continuous eavestroughs are desired. The method allows end to end joining of plastic eavestrough with a thermal joint therebetween or an angled connection with a thermal joint therebetween. This allows plastic eavestrough systems to be customized on site for improved performance and appearance. Thermally joined plastic eavestrough sections either aligned in an end to end or angled connection are possible.

Abstract: The cutting apparatus of the present invention includes a frame with first and second side members that lie parallel to one another. It also includes two or more cross-members that connect the first and second side members together as well as a cantilever member that lies mounted to one of the other members and extends outwardly of that other member. A tray movably mounted on the frame holds an object for cutting; and a motor and blade assembly mounted to the cantilever member cuts the object. The method of forming this apparatus includes forming openings in the side members and inserting end portions of the cross-members into the opening to form a frame in which the cross-members are parallel to each other and perpendicular to the side members.

Abstract: In a method of making a cutter revolve along a circumference of a circle having an optional size to cut an adhesive tape into a circular shape of a predetermined size, the cutter is made revolve while being tilted to an inner circumferential side in the revolving direction of the circumference, and a cutting start point and a cutting end point in a cutting path of the cutter are made coincide with each other.

Abstract: A circular saw includes a work table, and an angle adjustment device mounted on the work table. The angle adjustment device includes an outer tube, a drive block, an inner rod, a drive gear, a fixed rod, a push barrel, and a driving unit. Thus, the user can rotate the handgrip of the outer tube at the front side of the work table to change and adjust the tilt or bevel angle of the pivot arm directly, thereby facilitating the user adjusting the tilt angle of the pivot arm. In addition, the user can rotate the handgrip of the outer tube easily and conveniently, so that the tilt angle of the pivot arm is adjusted exactly.

Abstract: A system for measuring and cutting includes a portable measuring unit and a cutting unit. The measuring unit includes a transmitter and a measuring processor in communication with the transmitter. The measuring unit includes a first retractable tape measure having a first variable resistance wire and a sensor, the measuring processor having programming for determining first distance data and for transmitting that data. The cutting unit includes a saw and a receiver for receiving the first distance data transmitted from the measuring unit. The cutting unit includes a second tape measure with a second variable resistance wire, sensor, and processor for determining a second distance. When the second distance measurement is equal to the first distance measurement, an indicator is actuated so the user knows to actuate the saw to cut the workpiece. The system, therefore, eliminates inaccurate measurements and the need to remember or record measurements.

Abstract: A power tool with a base assembly, and a table supported by the base assembly, where the table has a workpiece supporting surface. A saw assembly is pivotably supported by the table via a trunnion assembly. The table includes a post having a first curved surface having a first radius. The trunnion has a first surface contacting the first curved surface. The trunnion is movable along the first curved surface. The first radius is larger than the distance between the first surface and the workpiece supporting surface.

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: Slide compound saws (1, 100, 150) may include a table (3b) defining a table surface. A saw unit (20) may be pivotable relative to the table surface. A first slide bar (31, 51, 251, 351) may be slidably coupled to the table and may be disposed substantially in parallel with the table surface. The first slide bar may define a first sliding distance (S1) of the saw unit in a direction substantially parallel to the table surface. A sliding device (24, 33, 52, 61, 62, 252, 352) may slidably couple the first slide bar to the saw unit. The sliding device may define a second sliding distance (S2) of the saw unit in the direction substantially parallel to the table surface. Preferably, the saw unit can slide up to a distance S1 plus S2 in the direction substantially parallel to the table surface.

Abstract: A power tool includes a base for supporting a workpiece to be machined. A tool unit can move relative to the base and has a tool for machining the workpiece. A light projection device can project light onto the workpiece. A control device can control the light projection onto the workpiece in response to the position of the tool relative to the workpiece and/or in response to the illumination level of the workpiece.

Abstract: A woodworking machine having one or more dangerous portions of the machine is disclosed. The machine also includes a safety system configured to detect accidental contact between a person and at least one of the dangerous portions by electrically coupling a signal to the person's body, and detecting if the signal becomes coupled to the dangerous portion.

Abstract: A fine-adjustment mechanism for making small adjustments to a cutting angle on a miter saw is used in conjunction with an apparatus that includes a base having at least one recess, and a turntable that supports a cutting tool is rotatably mounted to the base. An angular-adjustment lever is pivotally mounted to the turntable. The angular-adjustment lever includes a first insert proximal to the turntable. The first insert is capable of engaging at least one recess. The fine-adjustment mechanism is mounted to the turntable and includes a fine-adjustment lever pivotally mounted on the turntable. A second insert having an opening therethrough is supported by the fine-adjustment lever and adapted to engage at least one recess of the base. A threaded rod supported by the fine-adjustment lever extends through the opening in the second insert. A latch holder may be attached to the fine-adjustment lever.

Abstract: A securing device for securing a blade of a cutting tool includes a clamp assembly, a bolt, a resistant slice and a driving member. The clamp assembly has two clamp members between which the blade is clamped. The bolt extends into the clamp assembly and is screwed into a driving shaft device of the cutting tool for securing and pressing the clamp assembly to clamp the blade. The resistant slice is shaped to a curvature. The bolt is through the resistant slice, and the head of the bolt presses the resistant slice so as to force the clamp assembly. The driving member includes a body fixed on the head of the bolt and a handle pivotally coupled to the body. The distance between the head of the bolt and a movable end of the handle is changed when the handle pivots with regard to the body.

Abstract: A cutting guide having a component defining a first plane positionable substantially parallel to a working table of a cutting tool and a second plane, the second plane forming a predetermined angle inferior to 90 degrees relative to the first plane so as to receive at least in part a piece to cut and orienting the same according to a predetermined inclined plane. The cutting guide also includes an adapter allowing for modification of the predetermined angle, the adapter being releasably mountable to the component so that one of the faces of the adapter defines a new inclined plane.

Abstract: A power saw machine includes a cutting head, a cutting table, a supporting frame, and a table sliding arrangement for guiding the cutting table to slide on the supporting frame. The table sliding arrangement includes two sliding tracks, a plurality of sliding wheels and a plurality of alignment wheels. The two sliding tracks are spacedly provided at the supporting frame, wherein each of the sliding tracks has an upper surface defining a top sliding channel therealong and an inner side surface defining a side sliding channel therealong. The sliding wheels are rotatably, horizontally and spacedly mounted underneath the cutting table to slide along the side sliding channels of the sliding tracks respectively, wherein the cutting table is slidably engaged with the two side sliding channels of the sliding tracks to prevent the cutting table from being flipped over when the cutting table is slid on the supporting frame.

Abstract: A woodworking machine is disclosed. The machine includes a cutting tool and a motor adapted to drive the cutting tool. The machine further includes a detection system to detect a dangerous condition between the cutting tool and a person, such as a person coming into contact with the cutting tool. A reaction system is provided to disable the cutting tool, such as by covering, blocking, destroying, wrapping, etc., upon detection by the detection system of the dangerous condition.

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 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.

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, a brake pawl, a spring, a fuse wire, circuitry a plug, an aperture for a key, and a switch activated by the key to indicate the cartridge is installed.

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 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 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.

Abstract: A miter saw includes a table on which a workpiece is placed, a saw assembly supporting a saw blade and having a motor for rotatably driving the saw blade, a housing pivotally supporting the saw assembly related to the table in such a manner that the saw assembly is at least laterally pivotable, and a bevel stop mechanism for selectively determining the lateral position of the saw assembly at any of a plurality of pivoted positions, the bevel stop mechanism comprising a movable rod and first, second and third fixed stop members. The table may be rotatably attached to a base.

Abstract: A miter saw including a base, turntable, and circular saw unit supported to the turntable. A turntable is rotatable about its axis. The turntable has a tilting motion support. A support section has a tilt section tiltingly movable relative to the tilt motion support, and pivotally movably supports the circular saw unit. A clamp shaft is provided for clamping the tilting section to the tilt motion support. A tilt amount fine control unit is provided for performing fine control to the tilting angle, and includes an arcuate gear teeth section provided at the tilt motion support, rotation shaft for moving the arcuate gear teeth, and adjustment knob supported on the clamp shaft for rotating the rotation shaft. A neck table section is provided at a front side of the turntable, and includes a digital display for displaying a lateral tilting angle of the circular saw unit.

Abstract: The laser guide comprises a housing that houses the laser, power source and an on/off switch. A centrally located aperture is formed in the housing and is dimensioned to receive a first size arbor. An annular insert is provided that fits into the aperture to reduce the aperture size from the first size to a second smaller size. The laser guide is provided with an integrated flange to support the blade. The flange spreads the load on the blade caused by the tightening of the retaining member over a larger area to prevent deformation of the blade.

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.

Abstract: An integrated mechanical stop and securing apparatus for the safe positioning and securing of a short cut-off workpiece in close proximity to a cutting tool during a cutting operation. The mechanical stop is attached to a fence, work surface or similar structure using a moveable clamp. The workpiece stop further includes a pivotally attached securing member that abuts a surface of a workpiece during a cutting operation involving a relatively short cut-off. Biasing force for the securing member is provided by an operator grasping a handle on the securing member. Increased safety is provided when the stop device maintains the operator's hands outside of the effective cutting area of the power tool, while providing an accurate and reliable stop to index the cut.

Abstract: The cutting apparatus of the present invention includes a frame with first and second side members that lie parallel to one another. It also includes two or more cross-members that connect the first and second side members together as well as a cantilever member that lies mounted to one of the other members and extends outwardly of that other member. A tray movably mounted on the frame holds an object for cutting; and a motor and blade assembly mounted to the cantilever member cuts the object. The method of forming this apparatus includes forming openings in the side members and inserting end portions of the cross-members into the opening to form a frame in which the cross-members are parallel to each other and perpendicular to the side members.

Abstract: Woodworking machines are disclosed having electrically conductive cutting tools adapted to cut workpieces. The machines include a contact detection system capacitively coupled to the cutting tool, and adapted to detect contact between a person and the cutting tool. The machines also include a reaction system configured to cause one or more predetermined actions to take place upon detection of contact between a person and the cutting tool by the contact detection system.

Abstract: A saw has a frame; a support table mounted on the frame, a substantially round table rotatably mounted within an aperture formed through the support table; and a saw unit pivotally mounted on one side of the round table and which can pivot between two positions in order to perform chop cuts, a first upper position located away from the round table and a second lower position located adjacent the round table. Radial slot 64 formed through the substantially round table and extends to the edge of the round table. A forward extension extends radially outwardly from the periphery of the round table 20.

Abstract: A miter saw includes a base, a table rotatably mounted on the base, and a extension arm rigidly connected to the periphery of the table and extending radially away from the axis of rotation of the table. The angular position of the table relative to the base may be fixed via a locking member mounted on the extension arm. The locking member can be linearly moved relative to the extension arm between a locked position where the angular position of the table is fixed relative to the base, and an unlocked position. The locking member is also pivotable between a locked position where the angular position of the table is fixed relative to the base, and an unlocked position.