Abstract: A slicer blade guide with insert preferably includes a base guide plate, an upper guide plate, at least one blade insert and a pair end caps. The base guide plate preferably includes a base angled blade surface, a base insert slot and a bottom chamfered surface. The base angled blade surface extends upward from a top surface of the base guide plate. A bottom of the at least one blade insert is retained in the base insert slot and axially retained with the pair end caps. The upper guide plate preferably includes an upper angled blade surface and an upper insert slot. The upper angled blade surface extends upward from a bottom surface of the upper guide plate. A top of the at least one blade insert is retained in the upper insert slot. The upper guide plate is secured to the base guide plate with a plurality of fasteners.

Abstract: Blade guards for power tools such as table saws are disclosed. The blade guard may include a guard that pivots up and down to allow a workpiece to move past the guard, a dust collection channel, and a pivot mechanism which maintains the dust collection channel in an operable condition as the guard pivots up or down. The guard may also function as a wood stop and it may include anti-kickback pawls. The blade guard may be part of a dust collection system and may be connected to a vacuum system by a conduit such as a flexible hose.

Abstract: Blade guards for table saws are disclosed. The blade guards can be used in a configuration where the guard holds a work piece against a work surface. This may be thought of as blade guards with hold-down capability. The blade guards also include splitters and anti-kickback assemblies. The anti-kickback assemblies include anti-kickback pawls that can be in an operable configuration or a disabled configuration.

Abstract: A method of resetting a drop arm assembly in a power tool assembly from a first drop arm assembly position whereat a portion of a shaping device mounted on the drop arm assembly does not extend above a workpiece support surface, includes removing a throat plate from a throat plate opening, moving at least a portion of a blade wrench downwardly through the throat plate opening, operably coupling the blade wrench with an arbor shaft of a drop arm assembly, releasing a first latch from engagement with a drop arm frame of the drop arm assembly after removing the throat plate, pulling the coupled blade wrench in an upwardly direction to a second drop arm assembly position whereat the portion of the shaping device extends above a workpiece support surface, and latching the drop arm assembly at the second drop arm assembly position with a second latch.

Abstract: The invention relates to a food cutter. The food cutter includes a vessel cup; a fixing base assembled in the vessel cup; a supporting body assembled to the vessel cup; a locking mechanism assembled in the supporting body; a screw cutter extending through the supporting body and the locking mechanism; and a handheld host connected to the screw cutter. The locking mechanism includes a resilient member, a movable bracket, a shaft sleeve, two sliding half threaded sheaths and a rotating cover.

Abstract: A saw with a pivotal guard which can pivot from a first position surrounds at least a portion of the lower edge of the saw blade to a second retracted position where the portion of the lower edge of the saw blade is exposed. A biasing mechanism may be provided for biasing the pivotal guard towards the first position. A pivotal guard actuating mechanism is capable of moving the pivotal guard from the first position to the second retracted position. The pivotal guard actuation mechanism includes a hand lever, a cam mechanism comprising a cam and cam follower connected between the hand lever and the pivotal guard wherein the cam is connected to the pivotal guard and the cam follower is connected to the hand lever.

Abstract: Mounting systems to secure and index riving knives and spreaders in table saws are disclosed. One embodiment may include three mounts or screws attached to an elevation carriage. A clamp plate fits over the heads of the mounts and a handle pivots to move the clamp plate against flanges on the heads of the mounts to clamp a riving knife or spreader in place.

Abstract: An apparatus for fixing a saw blade and a knife plate of a saw grinding machine includes a driving device including an axis; and a fixture plate having a first end and a second end. The fixture plate includes a connective hole coupled to the driving device, and a coupled portion defined at the first end thereof. The saw blade is pivotally connected to the axis of the driving device, with the saw blade and the fixture plate moved with respect to the driving device simultaneously. The knife plate is coupled to the coupled portion of the fixture plate and includes a blocked side formed on a side thereof, with a vertical distance between the blocked side and the saw blade maintained to be fixed.

Abstract: A hold down mechanism for a bandsaw including an upstream wheel positioned upstream of the saw blade and a downstream wheel positioned downstream of the saw blade, each wheel being rotationally connected to a bogie which is in turn supported on a swing arm. The proximity of the upstream and downstream wheels to the saw blade as well as the degree of pivoting motion permitted by the bogie enable a hold down wheel to press the ends if sequential workpieces against a base as the ends pass the saw blade to assure a uniform thickness of the cut workpiece. An angled guide surface is provide upstream from the forward wheel to assist the forward wheel in elevating when a trailing workpiece is significantly thicker than the workpiece preceding.

Abstract: In at least one form of the invention, a clamp can be used to attach a saw accessory to a saw. In various embodiments, the clamp can comprise first and second clamping members, an actuator, and a controller. In various embodiments, the saw accessory can be disposed between the first and second clamping members where at least one of the first and second clamping members can be moved by the actuator in order to clamp the saw accessory therebetween. In at least one such embodiment, the controller can be in electrical and/or fluid communication with the actuator to activate the actuator. In various embodiments, the controller can be activated by an operator from a location proximate to the operator but remote from a blade of the saw.

Abstract: A modular guard system for a power saw includes a riving knife mounted to the saw rearwardly of the blade and having first and second notches with openings facing away from each other. A blade guard assembly is releasably mounted on the riving knife and configured to cover the blade. The blade guard assembly includes a mounting portion configured to receive a top portion of the riving knife having the first and second notches and a release mechanism provided in the mounting portion and having a spring member for engaging the first notch and a latch member connected to the spring member for engaging the second notch. The latch member exerts a force on the spring member to cooperatively hold the first and second notches between the spring member and the latch member to retain the riving knife in the mounting portion.

Abstract: A power equipment in one embodiment includes a riving knife with a circular mounting hole opening to an outer surface of the riving knife through a throat, the throat having a minimum diameter that is less than a minimum diameter of the mounting hole, and an anti-kickback assembly including a generally cylindrical grooved shaft having a first diameter larger than a minimum diameter of the throat and a second diameter smaller than the minimum diameter of the throat, and an actuating arm operably connected to the grooved shaft and configured to rotate the grooved shaft from a first position whereat the second diameter is aligned with the throat and a second position whereat the second diameter is not aligned with the throat.

Abstract: An adjustable riving knife assembly including a riving knife and a saw machine riving knife adjustment mechanism, the adjustment mechanism including a locating member and a locking unit. The locating member defines a track, and the riving knife has a riving knife body and a coupling portion inserted into the track. The locking unit includes an axle holder affixed to the locating member, a brake mounted on the axle holder, an operating member connected to the brake and a locking member to be driven by the brake. Rotation of the operating member causes the brake to move the locking member relative to the riving knife between a locking position, where the locking member engages the riving knife, and an unlocking or adjusting position, where the locking member is disengaged from the riving knife.

Abstract: A circular saw including a saw blade (36) which may be rotatingly driven about a rotational axis, and at least one first splitting wedge is described. The circular saw is configured so that the first splitting wedge is movable relative to the rotational axis of the saw blade.

Abstract: Mounting systems to secure and index riving knives and spreaders in table saws are disclosed. One embodiment may include three mounts or screws attached to an elevation carriage. A clamp plate fits over the heads of the mounts and a handle pivots to move the clamp plate against flanges on the heads of the mounts to clamp a riving knife or spreader in place.

Abstract: Table saws and table saws designed to implement safety systems that detect contact between a person and a dangerous portion of the saw are disclosed. Table saw components, mounting systems for table saws, and table saw attachments are also disclosed. One embodiment may include a first clamp surface, a second clamp surface spaced apart from the first clamp surface so that a base portion of a riving knife or splitter can be placed between the clamp surfaces with the opposing sides of the base portion generally parallel to the first and second clamp surfaces.

Abstract: In various embodiments, a saw accessory assembly can be configured to be attached to a saw. In at least one embodiment, the assembly can include a first component and a second component, wherein at least one of the first and second components can include a visual guide configured to assist an operator in assembling the first and second components. In other various embodiments, at least one of the first and second components can include a visual guide configured to assist the operator in adjusting the first and second components in a predetermined sequence.

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 saw machine riving knife adjustment mechanism includes a locating frame, which has a slot, a riving knife, which has a longitudinal slot with at least one notch formed along one side of the longitudinal slot, and which is detachably mounted on the locating frame, a biasing member, which is mounted on the locating frame, and a locking member, which is inserted through the longitudinal slot of the riving knife and the slot of the locating frame. The locking member is biased by the biasing member to a locking position where the locking member is engaged with the at least one notch to lock the riving knife in position.

Abstract: A table saw includes a base, a work table having a cutting opening, a tank for receiving cooling liquid, a blade partly extending out from the cutting opening, and a guard assembly. The guard assembly includes a guard for covering the blade and for moving upwards under the action of a workpiece. In a working condition, at least a portion of the guard abuts against the workpiece, and the workpiece can slide relative to the guard. The guard has a guiding wall which abuts against the workpiece in the working condition and which guides the cooling liquid into a kerf in the workpiece formed by the blade.

Abstract: A table saw guard assembly for guarding a blade on a table saw is provided. The table saw guard assembly includes a support structure and a hood assembly including at least one of a front curtain, first side curtain, second side curtain and top curtain, wherein each of said curtains are independently moveable and/or removable from the hood assembly. Furthermore, a table saw guard assembly is provided including a quick release mechanism for connecting the hood assembly to the support structure.

Abstract: A power equipment in one embodiment includes a riving knife with a circular mounting hole opening to an outer surface of the riving knife through a throat, the throat having a minimum diameter that is less than a minimum diameter of the mounting hole, and an anti-kickback assembly including a generally cylindrical grooved shaft having a first diameter larger than a minimum diameter of the throat and a second diameter smaller than the minimum diameter of the throat, and an actuating arm operably connected to the grooved shaft and configured to rotate the grooved shaft from a first position whereat the second diameter is aligned with the throat and a second position whereat the second diameter is not aligned with the throat.

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. A laser support element having an upper portion above the workpiece support surface and a lower portion below the workpiece support surface, and the laser apparatus is connected to the lower portion, and the reflective surface is positioned on the upper portion to reflect the laser light toward the support surface to visually indicate a position.

Abstract: In various embodiments, a saw can include a work surface and a blade at least partially extending through the work surface. In at least one embodiment, the saw can further include a sensor and a light emitter, wherein the light emitter can be configured to emit a first light beam and a second light beam onto at least a portion of the work surface. In various embodiments, the sensor can be can be configured to detect a plurality of saw conditions and, owing to communication between the sensor and the light emitter, the light emitter can be configured to emit the first light beam onto the work surface when the sensor detects a first saw condition and emit the second light beam onto the work surface when the sensor detects a second saw condition.

Abstract: Table saws and table saws designed to implement safety systems that detect contact between a person and a dangerous portion of the saw are disclosed. Table saw components, mounting systems for table saws, and table saw attachments are also disclosed. One embodiment may include a first clamp surface, a second clamp surface spaced apart from the first clamp surface so that a base portion of a riving knife or splitter can be placed between the clamp surfaces with the opposing sides of the base portion generally parallel to the first and second clamp surfaces.

Abstract: A cast-cutter (10) for removing a cast from a patient comprises a body (12) and a cutting assembly (18) secured thereto, wherein the cutting assembly (18) includes first and second relatively moveable cutting members (40, 44). Each cutting member (40, 44) defines a cutting edge (46, 48) which when in use cooperate to cut by a shearing action. Each cutting member (40, 44) also defines an inner face (60) and are adapted to maintain the inner faces (60) in non-engaging relationship to provide clearance therebetween in order to prevent material binding between the member (40, 44) during a cutting operation.

Abstract: A quick-release apparatus which is adapted for a knife board of a saw grinding machine comprises a fixture plate forming with a first projection; wherein the knife board includes a coupled portion having a slot to hook the first projection; a fastening member mounted onto and not pivot with respect to the first projection of the fixture plate and including an exterior side having at least one concaved portion; and a control member pivotably connected to the fastening member and including an abutted side and at least one protruding portion formed on the abutted side, with the abutted side and the at least one protruding portion both corresponding to the at least one concaved portion, with the abutted side facing the fastening member, and with the at least one protruding portion selectively pressing the exterior side of the fastening member to tightingly attach to the knife plate.

Abstract: A method punches a damper out from a damper material that is detachably attached on a flexible exfoliative member through an attaching surface of the damper material with use of a hollow punch. The method includes steps of setting the damper material on a supporting surface, positioning a projection part between the exfoliative member and the supporting surface, and punching the damper out from the damper material by cutting the damper material around the projection part by the hollow punch without punching the exfoliative member.

Abstract: A power tool in one embodiment is a table saw which includes a swing arm assembly movable along a swing path, an actuator configured to force the swing arm assembly away from a first swing arm position and toward a second swing arm position, and a riving knife positioned outwardly of the swing arm assembly when the swing arm assembly is in the first swing arm position, the riving knife including a channel with a first end portion and a second end portion, a first curved channel portion with a first center of curvature and located between the first end portion and the second end portion, and a second curved channel portion with a second center of curvature and located between the first end portion and the second end portion, wherein the first center of curvature is not coincident with the second center of curvature.

Abstract: Present invention teaches to build a woodworking table saw where, a splitter/riving knife move with the saw blade in a synchronized manner, with an idle gear engaging in planetary circular action around a fixed quadrant gear and the outer gear teeth portion of a support arm, so that any height adjustment or angle tilting done to the saw blade will result in the same movement of the splitter/riving knife, maintaining the constant linear difference (usually 5 mm) between the saw blade and the splitter/riving knife. In addition, to facilitate the installation, changeover, and/or removal of the splitter/riving knife, a spring pressure plate mechanism is used, along with lug bolts and a spring loaded secure pin device to easily set the splitter/riving knife in a pre-set position without using tools and in shorter time duration.

Abstract: A table saw includes a base assembly, a table assembly supported by the base assembly, a saw assembly having a blade extending through the table assembly, and a riving knife assembly connected to the saw assembly. The riving knife assembly has a removable riving knife, and a riving knife locking mechanism for locking the riving knife in the riving knife assembly. A handle is mounted to the base assembly or the table assembly, and is connected to the riving knife locking mechanism for releasing the riving knife without using additional tools.

Abstract: A protective cover structure of a desk sawing machine includes a chopper board, a cover, two first side boards and two second side boards. The cover is disposed at an upper end of the chopper board. The two first side boards respectively disposed at two sides of the cover. One end of each of the first side boards is pivotally connected to the cover. The two second side boards respectively connected to another end of each of the first side boards. The first side boards and the second side boards can be operated independently to enhance shelter. The desk sawing machine can keep off the sawdust when cutting, providing a protective effect to the equipment and the user.

Abstract: A saw blade protector for a cutting device having a table for placing thereon a workpiece, a saw blade protruding from an upper surface of the table, and a riving knife disposed in front of the saw blade in a moving direction of the workpiece for cutting the workpiece and positioned in line with the saw blade. The saw blade protector includes a guard plate constructed to cover the saw blade, a holding frame constructed to be mounted on an upper portion of the riving knife and to be able to support the guard plate, and an adjusting device constructed to be able to adjust a position of the holding frame relative to the upper surface of the table.

Abstract: A support structure for a splitter of a cutting tool includes a lock device and a moving device. The lock device can lock and unlock the splitter at a storage position. The moving device can move the splitter from the storage position to an ejected position, in which a part of the splitter extends above an upper surface of a table of the cutting tool, when the lock device unlocks the splitter at the storage position.

Abstract: In at least one form of the invention, a clamp can be used to attach a saw accessory to a saw. In various embodiments, the clamp can comprise first and second clamping members, an actuator, and a controller. In various embodiments, the saw accessory can be disposed between the first and second clamping members where at least one of the first and second clamping members can be moved by the actuator in order to clamp the saw accessory therebetween. In at least one such embodiment, the controller can be in electrical and/or fluid communication with the actuator to activate the actuator. In various embodiments, the controller can be activated by an operator from a location proximate to the operator but remote from a blade of the saw.

Abstract: A table saw is provided having a splitter extending along the saw blade in order to prevent so-called kickback of a workpiece to be cut, which is caused by the rotating saw blade. A removal preventing member, such as a nut with a loosening preventing function, is attached to the front end of a fixing screw, whereby the user may not accentually excessively loosen the fixing screw, thereby preventing the screw from being removed from a threaded hole.

Abstract: A power table saw having a table top surface with an opening through which a blade can extend, the blade being mounted on an arbor and being at least vertically adjustable relative to the top surface, the table saw comprising a blade assembly having a first pivot connection and being pivotally mounted to the table saw enabling the blade to be vertically adjusted through a predetermined arc relative to the table top and a riving knife mounted on the blade assembly and being vertically moveable in a substantially straight direction as the blade is vertically adjusted through the predetermined arc.

Abstract: A quick release device for a saw blade guard assembly in a circular saw includes a mounting block having two spaced sidewalls, a mounting groove defined between the two sidewalls for receiving a spreader, and two through holes respectively defined through the sidewalls and in communication with the mounting groove and a locating hole. At least one movable engagement member is movably disposed in the through hole of the mounting block. A locking member having two spaced locking blocks mounts onto the mounting block. Each of the locking blocks has a retaining wall portion for engaging the at least one movable engagement member and forcing the at least one movable engagement member to be held in the locating hole of the spreader.

Abstract: In at least one form of the invention, a clamp can be used to attach a saw accessory to a saw. In various embodiments, the clamp can comprise first and second clamping members, an actuator, and a controller. In various embodiments, the saw accessory can be disposed between the first and second clamping members where at least one of the first and second clamping members can be moved by the actuator in order to clamp the saw accessory therebetween. In at least one such embodiment, the controller can be in electrical and/or fluid communication with the actuator to activate the actuator. In various embodiments, the controller can be activated by an operator from a location proximate to the operator but remote from a blade of the saw.

Abstract: A saw machine riving knife adjustment mechanism includes a locating frame, which has a slot, a riving knife, which has a longitudinal slot with at least one notch formed along one side of the longitudinal slot, and which is detachably mounted on the locating frame, a biasing member, which is mounted on the locating frame, and a locking member, which is inserted through the longitudinal slot of the riving knife and the slot of the locating frame. The locking member is biased by the biasing member to a locking position where the locking member is engaged with the at least one notch to lock the riving knife in position.

Abstract: A device for mounting a cover of a cutting blade to a riving knife may have an engaging member for releasably engaging at least a part of the riving knife from both sides, in a direction of thickness of the riving knife. The engaging member is manually operable without any additional tools. A device for mounting a riving knife to a table saw may include a manually operable lock member and a biasing member. The biasing member is arranged and constructed to normally bias the lock member towards a lock position. The riving knife may be divided into a first knife portion and a second knife portion. A positioning device may position the first knife portion and the second knife portion substantially within a single plate.

Abstract: A roof shingle peeler device which comprises a saw blade, a motor to operate the saw blade, a horizontal arm and skiis to regulate the depth of the saw blade, a wedge to remove the nails and shingles from the roof deck and enable the saw blade to cut the shingles into a predefined section, and a frame to facilitate the transportation of the predefined section of shingles for being received and collected into a bag for disposal. A hoist and return hoist are used to pull the roof shingle peeler device up and down the roof deck from the base to the crest while removing shingles.

Abstract: A power tool includes a motor, a cutting element operably coupled to the motor and configured to remove material from a workpiece, a base configured to support the cutting element relative to the workpiece, and a receptacle positioned beneath the base and configured to be positioned beneath the workpiece to collect debris generated by the cutting element beneath the workpiece as material is removed from the workpiece.

Abstract: Blade guards for power tools such as table saws are disclosed. The blade guard may include a shroud that pivots up and down to allow a workpiece to move past the guard, a dust collection channel, and a pivot joint which maintains the dust collection channel in an operable condition as the shroud pivots up or down. The guard may also include a wood stop and anti-kickback pawls. The blade guard may be part of a dust collection system and may be connected to a vacuum system by a conduit such as a flexible hose.

Abstract: An anti-kickback device includes a riving knife mounted rearwardly of a saw blade of a table saw machine and having a retaining hole. An elongate mount has a cavity and an insert groove to receive the plate body such that the retaining hole is located in the cavity. A fastening unit includes a post which is received in the cavity, which straddles a top surface of the knife, and which has a radial bore registered with the retaining hole, a detent body disposed in the radial bore and movable to extend into or to be clear of the retaining hole to thereby permit the mount to be secured to or detached from the knife, a tubular actuator which has an inner cam surface configured to move the detent body, and an operating member manually operable to move the actuator.

Abstract: Embodiments of the invention are directed a guard system for a table saw having a top surface with an opening through which a blade extends for cutting a work piece, the forward reach of the cutting edge of the blade engaging the work piece in a downward cutting direction, the system comprising an upper guard mounted to the table saw and configured to enclose the blade to shield a user from contacting the blade, the upper guard having an outlet adjacent the rearward reach of the blade for connection to a vacuum source, an inlet adjacent to the forward reach of the blade and to the table top surface and an interior channel communicating the inlet to the outlet.

Abstract: A saw machine riving knife adjustment mechanism includes a locating member, which defines a track, a riving knife, which has a riving knife body and a coupling portion inserted into the track, and a locking unit. The locking unit includes an axle holder affixed to the locating member, a brake mounted on the axle holder, an operating member connected to the brake and a locking member to be driven by the brake. Rotation of the operating member causes the brake to move the locking member relative to the riving knife between a locking position, where the locking member engages the riving knife, and an unlocking or adjusting position, where the locking member is disengaged from the riving knife.

Abstract: A riving knife adjustment mechanism includes a locating member and an operating member. The locating member also includes a locking member movable relative to the riving knife to lock or unlock the riving knife, and a connection portion connected with the locking member. The operating member has a coupling portion set inside the machine base and connected with the connection portion, and an operating portion operatively connected to the coupling portion and extending out of the machine base for manipulation by an operator to move the locking member for quick adjustment of the riving knife.

Abstract: A table saw includes a base assembly, a table assembly supported by the base assembly, a saw assembly having a blade extending through the table assembly, and a riving knife assembly connected to the saw assembly. The riving knife assembly has a removable riving knife, and a riving knife locking mechanism for locking the riving knife in the riving knife assembly. A handle is mounted to the base assembly or the table assembly, and is connected to the riving knife locking mechanism for releasing the riving knife without using additional tools.

Abstract: Table saws and table saws designed to implement safety systems that detect contact between a person and a dangerous portion of the saw are disclosed. Table saw components, mounting systems for table saws, and table saw attachments are also disclosed. One embodiment may include a first clamp surface, a second clamp surface spaced apart from the first clamp surface so that a base portion of a riving knife or splitter can be placed between the clamp surfaces with the opposing sides of the base portion generally parallel to the first and second clamp surfaces.