Abstract: A cutting tool includes a rotary blade driven by a motor, a fixed blade disposed opposing the rotary blade, a housing holding the motor, and a battery mount part on a rear portion of the housing. The battery mount part has a guide groove that slidably receives a rail of a power tool battery pack. A blade cover is disposed partially around the rotary blade, and a portion or all of the blade cover has a shape in which the farther forward it goes the more it goes toward the side that has the fixed blade, viewed from the rotary blade. A base holds the fixed blade, and a portion or all of the base has a shape in which the farther forward it goes the more it goes toward the side that has the fixed blade, viewed from the rotary blade.

Abstract: An adjustment device for an auxiliary fence includes a support frame, an auxiliary fence, a guiding unit and an adjusting unit. The guiding unit guides the auxiliary fence along a longitudinal direction such that the auxiliary fence is selectively slidable relative to the support frame. The adjusting unit allows the auxiliary fence to be adjusted relative to the support frame and securely positioned. The adjusting unit includes a driving member, a securing member installed on the driving member, and an elastomeric element. When the driving member is operated, the securing member becomes disengaged from the support frame which allows the position of the auxiliary fence to be adjusted by sliding it relative to the support frame.

Abstract: A table saw has a base assembly, a table assembly supported by the base assembly, the table assembly, and a saw assembly supported by at least one of the table assembly and the base assembly. The saw assembly has a saw blade extending through the table assembly. The base assembly has at least one foot having a substantially horizontal surface, a substantially vertical surface, and a curved surface disposed between the substantially horizontal surface and the substantially vertical surface. The substantially vertical surface is substantially coplanar with a surface of the table assembly so that the table saw can be disposed on the substantially vertical surface and the surface of the table assembly.

Abstract: A table insert for a circular saw includes a stationary panel and a movable panel. The stationary panel is fixed on a worktable of the circular saw and partially covers a trough of the worktable, and the movable panel is pivotally connected to the stationary panel and is pivotally movable relative to the stationary panel between a first position and a second position. When the movable panel is located in the first position, the movable panel partially covers the trough to enable the cutting operation to be performed. When the movable panel is located in the second position, the trough is partially uncovered for conveniently allowing a user to remove saw dust from the trough or to take out small workpieces that fall into the trough.

Abstract: A saw bench (100) having a first pair of legs (10) and a second pair of legs (20) is disclosed. Between the first pair of legs (10) and the second pair of legs (20) are arranged at least two cross members (2) for material to be cut (3). A sawing kerf (6) is formed between successively following cross members (2). An at least first guide rail (7) and/or an at least second guide rail (9) for a sawing member (40) is mounted on the saw bench (100) in such a way that, during sawing of the material to be cut (3), the sawing member (40) engages through the sawing kerf (6) below a level (N) of the material to be cut (3) which is held by the at least two cross members (2).

Abstract: A power tool comprises a base defining a work surface for supporting a workpiece and a tool assembly supported on the base and having a working tool configured to perform an operation on the workpiece when it is supported on the work surface. A sensor is supported by the base in proximity to the work surface that is configured to detect a ferrous contaminant in the workpiece when the workpiece is supported on the work surface for operation by the tool assembly. The sensor provides a signal to a user interface that is configured to generate an output sensible by the operator of the power tool when the sensor detects a contaminant.

Abstract: A circular and miter box saw has a contact table containing a support device that can be pivoted about a pivoting axis relative to the contact table and a base plate. The support device is pivot-supported on the base plate. The saw further has a miter box arm that can be pivoted about the pivoting axis, and a sawing device being disposed on the miter box arm, or above the contact table, respectively, wherein the sawing device can be displaced by a gliding guide device. The circular and miter box saw has a high cutting quality and a safe work piece contact surface and is characterized in that the gliding guide device is provided substantially below the base plate.

Abstract: Embodiments of the present invention include a locking assembly for a power miter saw of the type which has a base and a table that is rotatably mounted on the base about a center pivot axis, comprising a pair of oppositely facing arcuate surfaces on the base spaced from and being concentric with the center pivot axis, a clamp attached to the table for engaging the arcuate surfaces to lock the table from rotating relative to the base by applying a clamping force to the arcuate surfaces and not to the center pivot axis, and an actuating mechanism for operating the clamp.

Abstract: It is an object of the present invention to provide a cutting machine capable of keeping an angle of a cutting edge constant. A support block 14 is provided with two arms 14a, 14b which are spaced at a certain angle, and the arms 14a, 14b have rotation shafts 12a, 13a of rotary whetstones 12, 13, respectively, extending upright from the vicinities of the front ends thereof. The rotary whetstones 12, 13 has, at front ends thereof, flat surfaces 12b, 13b perpendicular to the rotation shafts 12a, 13a to grind the one side 11b and the other side 11c of the cutting edge 11a of the cutting blade 11, respectively. The whetstone holding mechanism 15 can be moved linearly along the guide shaft 16 and can change over grinding states in which the flat surfaces 12b, 13b of the rotary whetstones 12, 13 into contact with the one side 11b or the other side 11c of the cutting blade 11.

Abstract: A cutting system and method of use for manually cutting rigid foam insulation panels; the present cutting system is operated manually and requires no electric power whatsoever; the cutting system includes a fully adjustable carriage assembly whereon a cutting blade is mounted for traversing the limits of its working surface; the cutting system provides a measuring scale having graduated indicia inscribed thereon for conveniently changing blade settings to accommodate different foam panel dimensions; the cutting system produces a uniformly accurate cut surface comparable to a factory-made surface without damaging the foil moisture barrier on the rigid foam panel; the cutting system completely eliminates the health and safety hazards created by airborne foam particulates that are produced by powered cutting of such rigid foam materials and thereby provides an environmentally-friendly building practice; and the present cutting system is completely portable enabling its setup and use at any construction site or l

Abstract: A table saw includes a support arrangement, a table top assembly connected to the support arrangement, the table top assembly having (i) a work piece support surface, and (ii) a saw blade opening defined in the work piece support surface, a saw assembly supported under the table top assembly including a saw blade, and a saw assembly adjustment mechanism having a user actuator. The user actuator causes movement of the saw blade in relation to the work piece support surface. A first extension element extends from the support arrangement and defines a first extension space, and a second extension element extends from the support arrangement and defines a second extension space, wherein a first protection zone is defined between the first extension space and the second extension space, and wherein the actuator is completely contained within the first protection zone.

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: 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 mitre saw (1) has a base (2) adapted to support a screwless workpiece clamp (12), with clamping force being adjustable, under the manual control of the operative. The underside of the base (2) is provided with formations for the attachment of legs (15). A satellite stand (17) is detachable from the base (2) and locatable by the user at a selected distance from the base (2) suitable for supporting an end of a workpiece (13) to be cut. An end stop (21) is slidably attached to the base (2) and has a rapid coarse positional adjustment feature (23), and also a fine positional adjustment feature (24). The mitre saw (1) has a support assembly (4) attachable to the base unit (2) by a hand-operable, tool free connection; and a saw assembly including an electric drive motor, which saw assembly is attachable to the saw support assembly (4) by a hand-operable, tool free connection.

Abstract: Embodiments of the present invention comprise a fence for a power saw having a table top with generally vertical front, rear and opposite side surfaces, at least one side surface having an elongated side element extending from a front portion toward said rear surface, said side element having a cross section defining a vertical groove with an inner vertical surface that merge into upper and lower opposed extensions that define upper and lower undercuts, said fence comprising an elongated fence member having a generally vertical front planar surface for engaging a work piece, a table extension having a top surface area coextensive with said saw table top and operatively connected to said fence member, said extension providing support for a work piece that extends beyond a side of the table top surface, said fence being configured so that the front planar surface can be positioned in front of the vertical front surface of the saw, i.e., off of the top surface.

Abstract: A food product slicer includes a base and a knife mounted for rotation relative to the base. A slide rod extends in a direction past the knife. A carriage assembly is mounted for reciprocal movement back and forth past a cutting edge of the knife. At least one bearing arrangement connects the carriage assembly to the slide rod to facilitate the reciprocal movement of the carriage assembly. The bearing arrangement includes a lubricant reservoir. A bearing bracket holds a bearing that rides on the slide rod. The lubricant reservoir is fluidly connected to deliver lubricant to the slide rod in proximity to the bearing.

Abstract: A sawing apparatus includes a separating saw blade of a separating saw and a scorer blade of a scorer. Through an adjusting device, the position of the scorer blade can be adjusted transversely in relation to a sawing direction. The sawing apparatus has a sensing device which can sense the relative position of a scoring groove of the scorer blade on a workpiece with respect to a separating groove of the separating saw blade, and/or the quality of the separating groove.

Abstract: A system, method and device design to prevent, treat and maintain dental periimplant infections including a dental implant to be inserted into a jawbone of a patient that includes a base segment provided at one distal end of the implant which is configured to be put inside and come in contact with the jawbone, an abutment portion provided on an end opposite to the one distal end of the implant to which an artificial tooth is configured to be attached, and a plurality of removable segments which are configured to be put inside and come in contact with the jawbone and are removably attached to the base segment. If an infection is diagnosed around an implant site, infected removable segments can be extracted while maintaining positioning of the uninfected removable segments and the base segment. The infected removable segments are replaced with cleaned or sterilized removable segments.

Abstract: A laminate flooring saw system which can be used for both rip cuts and miter cuts in one embodiment includes a fence, a base including a first locking member configured to cooperate with the fence to lock the fence along a first fence axis, a second locking member configured to cooperate with the fence to lock the fence along a second fence axis, the second fence axis perpendicular to the first fence axis and a support arm positioned above the base for supporting a power tool.

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

Abstract: 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 cutting tool such as a miter saw, arranged to have an arrangement for selectively making and breaking power of a first circuit and an independent second second circuit each connected respectively to a first motor operating the cutting tool and to a second motor operating a dust suppressor such as a vacuum device. The arrangement enables the two circuits to serve the first and second motors in synchrony and to be operated by the switch of the cutting tool. The arrangement may comprise a relay adapted to energize and de-energize the second circuit. The second circuit may comprise one or more electrical receptacles enabling the second motor to operate under control of the switch after being plugged in to one of the receptacles. The cutting tool may comprise a receptacle which is hard wired to the first circuit. The cutting tool may incorporate a dynamic brake.

Abstract: An adjustment unit is installed to a woodworking machine including a base member and an auxiliary platform and is provided between the base member and the auxiliary platform. The adjustment unit includes an adjustment element including an operated portion formed on an end thereof and an adjustment portion formed on another end thereof. A first connective element includes a longitudinal first connective portion coupled to the adjustment portion of the adjustment element and a second connective element coupled to the first connective element and driving the operated portion of the adjustment element to adjust a horizontal position of the auxiliary platform.

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: Improved arrow shaft rotary cutting systems, provide increased safety for home arrow makers. An arrow shaft rotary cutting system comprises a safety box configured to mount a rotary cutting tool and a means for holding each arrow shaft at a predetermined length while being cut by the blade of the rotary cutting tool. Various embodiments of novel safety boxes and novel end pieces are provided. Some embodiments use arrow shafts as system shafts that separate the safety box and the end piece. The cutting length is set a predetermined length. Arrow shafts are cut to the predetermined length within the safety box. Other heavier duty embodiments use angle iron to hold the end piece. Precision can be improved with various improved elements.

Abstract: A sheet cutting table 13, after sticking an adhesive sheet S to a semiconductor wafer W, for cutting the area outside the semiconductor wafer W as an unnecessary adhesive sheet S1 with a cutting device 15. The table 13 includes an inner table 52 which supports the semiconductor wafer W, and an outer table 51 corresponding to the unnecessary adhesive sheet S1 outside the semiconductor wafer W. The upper surface of the outer table 51 is provided with a non-adherable treatment surface 51A, and an adherable member formed with a ring member 53 or a plate member 63 for sticking the adhesive sheet S thereto.

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: The subject invention provides a portable saw table assembly for cutting a material longitudinally, laterally, and at various angles thereto. The assembly includes a first and a second table rail being parallel and spaced from each other and each extending between a proximal end and a distal end. A saw rail is moveably supported by the first and the second table rails for moving longitudinally along the table rails between the proximal and the distal ends and a mounting plate is moveably supported by the saw rails to allow movement of the mounting plate laterally along the saw rail between the first table rail and the second table rail. A saw plate is rotateably supported by the mounting plate for carrying a saw to cut the material. A guide bar is disposed diagonally relative to the first and the second table rails and engages the saw plate to guide the saw plate diagonally in response to simultaneous movement of the saw rail longitudinally and the mounting plate laterally.

Abstract: A circular saw is composed of a working platform, a saw base with saw plate, and a saw cover, wherein the saw base and the saw cover are combined together to perform a dust-collecting hood with a bottom opening to accommodate the saw plate. The dust-collecting hood has a first air-hole defined on a top and a second air-hole defined on a sidewall respectively to completely keep the swarf and dust inside the dust-collecting hood to sufficiently improve the dust-collecting efficiency. Moreover, the saw base and the saw cover have an enclosed sheet respectively to make the bottom opening narrowed to only allow the saw plate passing therethrough to further significantly improve the dust-collecting efficiency, to achieve highly efficiency for collecting swarf and dust, and to keep working environment clean.

Abstract: A cutting unit for trimming sheet material is provided. The cutting unit includes a bed for supporting the sheet material, a guillotine cutting device including a knife arm pivotally mounted on the bed, and a rotary cutting device mounted on the bed. The rotary cutting device includes a guide bar, a knife carriage displaceable along the guide bar, and a circular knife rotatably mounted in the knife carriage. The knife arm and the rotary cutting device are mounted on opposite sides of the planar bed relative to one another and are operable to permit parallel trimming of opposite sides of the sheet material when the sheet material is supported on the planar bed. The guide bar selectively pivots toward and away from the bed against action of a spring to define a lower cutting position so that the cutting operation may be performed and an upper initial position whereby the guide bar pivots away from said bed for inserting paper for said cutting operation.

Abstract: The invention relates to a food product cutting machine comprising a driven cutting knife, a receiving device for product to be cut, a height adjustment device for the receiving device by means of which a height position of product to be cut relative to the cutting knife is adjustable, a carriage displaceable relative to the cutting knife and having the receiving device arranged thereat, and a support device for product to be cut having at least one support element and being capable of supporting product to be cut on a support face as it is cut, wherein the support device for product to be cut is coupled with the height adjustment device, the position of the effective support face being predetermined by the height position of the receiving device.

Abstract: It is an object of the present invention to provide a cutting machine capable of sharpening in such a manner that an angle of a cutting edge can be kept constant. A support block 14 is provided with two arms 14a, 14b which are spaced at a certain angle, and the arms 14a, 14b have rotation shafts 12a, 13a of rotary whetstones 12, 13, respectively, extending upright from the vicinities of the front ends thereof. The rotary whetstones 12, 13 has, at front ends thereof, flat surfaces perpendicular to the rotation shafts 12a, 13a to sharpen the one side 11b and the other side 11c of the cutting edge 11a of the cutting blade 11, respectively. The whetstone holding mechanism 15 can be moved in parallel linearly or can swing almost linearly, as mainly indicated by the arrow 15a, to bring the flat surface 12b of the rotary whetstone 12 into contact with the one side 11b of the cutting blade 11, as depicted by a broken line, thereby allowing the switch to the sharpening state.

Abstract: It is an object of the invention to improve a precision of cutting operation for a cutting machine. Representative cutting machine includes a tool body with a blade and a base having an opening through which part of the blade protrudes downward. A blade cutting direction indicating member is provided on a front end of the base in a direction of movement of the base and can be adjusted in mounting position with respect to the base. The blade cutting direction indicating member also adapted as a blade positioning member for positioning the blade with respect to a cutting line marked on the workpiece.

Abstract: Improved methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as table saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood.

Abstract: Adjustable cutting tools and methods of cutting through the casing wall of a pipe using an adjustable cutting tool are disclosed. According to one embodiment of this disclosure, an adjustable cutting tool includes a frame, a drive system, and a cutting system. The frame is configured to secure the tool to the exterior surface of a pipe. The drive system is configured to move the tool across the surface of the pipe, and the cutting system is configured to cut into the surface and through the wall of the pipe. By combining the features of the frame, drive system, and cutting system, the adjustable cutting tool may cut a pipe as it moves along the surface of the pipe.

Abstract: An integrated cleaning and cutting device includes a case, a cover sealed the case, a basket received in the case, and a basket shelter mounted on the basket. A plurality of palings is formed on the basket. A drive mechanism is accumulated in the cover for driving the basket to rotate in the case. A cutting mechanism is fitted in the cover for cutting salad material. The cutting mechanism includes a blanking hole communicating with the basket in the case. The salad material is cleaned in the basket by the rotating of the basket in the case. On the other hand, the salad material can be cut and stored in the device, in which the basket and the cutting mechanism are equipped. Since the device has multiple functions such as cleaning, cutting and storage, it is utilitarian in use.

Abstract: A food slicer includes a support member having a base portion and an upstanding portion. A rotatable cutting blade is secured to the upstanding portion for slicing food product. A food product table is mounted for movement past the cutting blade for holding product while being sliced by the cutting blade. A product fence assists in holding and stabilizing food product during slicing. An inner side of the food product table includes multiple spaced apart slots and the product fence includes an inner side with at least one finger extending downward within one of the slots of the food product table. Elongate protrusions may be provided at the bottom of the product fence for seating within grooves on a food support surface of the food product table. A food contact wall surface of the fence may be angled away from the food contact location and an inner faced of the food contact wall may be angled away from a gage plate of the slicer.

Abstract: A portable rolling carpentry workshop includes a table saw mounted on a sliding means to allow the blade of the saw to be shifted to the left or to the right of the longitudinal centerline of the workshop so that more supporting surface is available on either side of the blade to allow cutting large workpieces on a relatively narrow tabletop surface. The workshop of the invention is sized to allow easy maneuvering through the narrow hallways of apartment buildings but affords the functionality of larger worktables due to this unique ability to slide the table saw. Also provided is an extendable miter saw table located above the main tabletop surface and allowing passing of the longer workpieces underneath thereof when ripping with table saw. Therefore the use of both the table saw and the miter saw can be accomplished at the same time without the need to rearrange the configuration of the power tools on the workshop.

Abstract: A guide bar track extension method and apparatus. A machining table has a table surface terminating at a side thereof, the surface defining a table perimeter, and a slot for a guide bar. A guide bar extension mechanism is cooperatively adapted with the table for detachably mounting to the side of the table. The guide bar extension mechanism includes an adjustment mechanism providing for lateral adjustment of the guide bar extension mechanism relative to the axis. The adjustment mechanism includes two opposed guiding members adapted to contact the guide bar outside the table perimeter.

Abstract: A miter saw is described that includes a base, a table rotatably coupled with the base, and a saw unit pivotally coupled with the base and including a motor and a saw blade coupled with the motor. At least one material support surface is moveable with respect to the base.

Abstract: A tile saw that includes a base, a frame assembly disposed on the base, a rail assembly disposed on the frame assembly, and a cutting table slidingly disposed on the frame assembly and including a front fence. A saw assembly is disposed on at least one of the base and the frame assembly, and includes a motor and a cutting wheel driven by the motor. One of a miter guide and a bevel block is selectively lockable to the front fence.

Abstract: The present invention relates to a rotational cutting machine, it has a base, on the base is first motive power source to bring the cutting blade rotate; near the cutting blade is a fixing tool that tightly holds an object to be cut, on the side the fixing tool is a second motive power source to turn the fixing tool together with the object to be cut; the fixing tool is set on a platform that is adjustable; when cutting an object, the first motive power source turns the blade rotate, while the second motive power source also turns the object to be cut rotate, through the platform that is movable, the fixing tool is moved towards the cutting blade, such that the object tightly held in the fixing tool can be in contact with the cutting blade, the object then can be cut efficiently and accurately.

Abstract: A cutting apparatus includes a frame having a front surface and a back surface. A first receiving member for receiving a crude belt film is configured on a front surface of the frame. A second receiving member for receiving an amended belt film is configured on the front surface of the frame and is parallel with the first receiving member. A motive device which is used for rewinding the amended belt film connects with the second receiving member. A first guide member includes a guide plate and a locating plate. The guide plate is disposed on the locating plate, and the locating plate is fixed on the front surface of the frame. A guide recess is defined on a top surface of the guide plate. A cutting tool that is arranged on the frame includes a cutter, and a knifepoint of the cutter is received in the guide recess.

Abstract: The subject invention provides a portable saw table assembly for cutting a material longitudinally, laterally, and at various angles thereto. The assembly includes a first and a second table rail being parallel and spaced from each other and each extending between a proximal end and a distal end. A saw rail is moveably supported by the first and the second table rails for moving longitudinally along the table rails between the proximal and the distal ends and a mounting plate is moveably supported by the saw rails to allow movement of the mounting plate laterally along the saw rail between the first table rail and the second table rail. A saw plate is rotateably supported by the mounting plate for carrying a saw to cut the material. A guide bar is disposed diagonally relative to the first and the second table rails and engages the saw plate to guide the saw plate diagonally in response to simultaneous movement of the saw rail longitudinally and the mounting plate laterally.

Abstract: A swiftly collapsible check plate unit for a table saw includes a separating plate, a combining base, a fixing member and two check plates. The two check plates are respectively positioned at two sides of the separating plate that has an engage groove with a collar opening. The fixing member has an engage block to correspond to the engage groove, and the engage block has two cut surfaces facing to an inner wall of the collar opening, so when a handling portion formed in a rear portion of the fixing member is turned, the engage block is tightly fixed in the engage groove, fixing tightly the combining base with the separating plate, with the two check plates also swiftly combined with the separating plate and the combining base, or collapsed swiftly as well by turning the handling portion in another way.

Abstract: A workpiece feeding stopper for use in a stable saw to prevent careless feed of a workpiece having a height greater than a cutting depth of a circular saw blade includes a support arm having a rear end adapted for connection with a spreader of the table saw. A stop member is provided at a front end of the support arm and has a stop face with a bottom edge adapted for being spaced above from a worktable of the table saw by a distance slightly greater than or equal to a cutting depth of the circular saw blade and smaller than a distance between a pivot where a blade guard of the table saw and the spreader are pivotally connected to and the worktable, thereby enabling the workpiece to be completely cut without being stopped by the pivot.

Abstract: A circular saw stand (2) for effecting cuts with a hand-held circular saw (4), includes a device (6) for securing the circular saw stand (2) on a work table (10), a locking device (12) for adjustably defining a region (14) for receiving a to-be-cut workpiece (16) and having two clamping elements one of which is connected with the securing device (6) and another one is located opposite the one clamping element and displaceable relative thereto, and a guide device (42) forming a guide plane for a bearing plate (40) of the circular saw (4) and supported on one of the clamping elements.

Abstract: Improved methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as table saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood.

Abstract: A tightening device for positioning a worktable of a machine tool to a base includes a saddle member disposed on the base, and a positioning carrier member carrying the worktable and movable relative to an abutment wall of the saddle member. An elongate adjusting member has a force-delivering end spaced apart from the abutment wall, and a middle threaded segment threadedly engaged with the positioning carrier member such that the force-delivering end is movable towards or away from the abutment wall. A force transmitting member is loosely connected to the positioning carrier member, and is configured such that a spiral force resulting from a screw-in movement is taken up by a proximate end thereof from the force-delivering end, and is transformed to a translation force that moves a distal end thereof to tightly engage the abutment wall.

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.