Abstract: A saw machine includes a seat disposed in a housing, two frames rotatably secured to the seat with pivot pins and each having a sector gear and a saw blade, and a driving device for driving the saw blades. A shaft is rotatably secured to the seat and has a worm engaged with the sector gear of one of the frames, to rotate and adjust the frame relative to the seat. A conduit is rotatably engaged on the shaft and has a worm engaged with the sector gear of the other frame, to adjust the other frame relative to the seat. A support device includes a block having an orifice to rotatably receive the shaft and to stably support and retain the shaft to the seat.

Abstract: A horizontal band saw includes a base assembly, a sawing mechanism and a bevel cutting adjustment device. The base assembly includes a frame and a conveyer. The frame has a transverse passage. The conveyer is mounted in the transverse passage of the frame. The sawing mechanism is pivotally mounted on the frame and includes a housing. The housing is pivotally mounted on the frame and has a bottom and a cutting window above the conveyer. The bevel cutting adjustment device is mounted on the frame, connects to the bottom of the housing and is used to pivot the sawing mechanism relative to the conveyer so that the horizontal band saw can make a bevel cut in a workpiece.

Abstract: The invention relates to a cutting subassembly for cutting off front and/or rear edge overhangs of panel-like workpieces. The cutting subassembly includes a saw unit which comprises a motor-driven saw blade which is mounted for displacement between a position above, and a position beneath, the workpiece. A contact element is associated with the saw blade and has at least one contact surface which may be engaged against the front or rear transverse side of the workpiece. The cutting plane of the saw blade may be oriented in alignment with the contact surface. The saw blade may be mounted such that it can be pivoted between a first operating position, in which it is oriented in alignment with the contact surface, and a second operating position, in which it is oriented obliquely in relation to the contact surface.

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 feeding device for a table saw includes a sliding board slidably mounted on one side of a worktable of the table saw and having a moving direction corresponding to a saw blade. The sliding board includes two grooves defined in two opposite sides thereof and respectively parallel to the moving direction of the sliding board. A moving seat is selective slidably mounted on one side of the sliding board. A pushing rod is laterally slidably mounted to the moving seat and has a first side forming a pushing face for abutting against a datum of a workpiece. A first locking device and a second locking device respectively extend through the pushing rod and the moving seat to selectively hold the pushing rod and the moving seat in place for confirming a cutting angle of the workpiece.

Abstract: Cutting machines with high-speed safety systems, and actuators used in high-speed safety systems, are disclosed. The cutting machines may include a detection system adapted to detect a dangerous condition between a cutting tool and a person. A reaction system performs a specified action, such as stopping the cutting tool, upon detection of the dangerous condition. An actuator may be used to trigger the reaction system to perform the specified action.

Abstract: A blade angle adjustment device for a stone cutter includes a framed base having a working table slidably disposed on the base including a vertical cutting groove and a slant cutting groove in upper surface, a tool plate and a support arm respectively secured to a lateral side thereof, a L-shaped link having pair of screw holes in a longitudinal portion engaged with a screw hole and oblong hole on the top of the support arm and secured by a screw and a first swivel lock, a screw hole and an arcuate slot in a transverse portion respectively engaged with the front ends of a large and a small internally threaded large and small connection rods and secured by a second swivel lock and a handled screw, a motor protected by an upper housing and a lower housing which is connected to the rear end of the connection rods and a guarded circular blade connected to an axis of the motor so that slides the first swivel lock in the oblong hole to define the elevational angle for the cutting mechanism and slides the small conn

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 includes a tool adjustment unit having a joint pivotable about an axis, a guide rail spaced from and coupled to the joint so as to pivot about the axis, a saw housing mounted on the guide rail and a linear motion bearing assembly, which is positioned between the guide rail and the saw housing. The guide rail and the linear motion bearing are so shaped and dimensioned that the saw housing and the guide rail rotationally engage one another in a substantially play free manner to displace a saw blade between a plurality of angled positions.

Abstract: The table saw disclosed herein includes a table, a saw assembly pivotally attached to the table, the saw assembly comprising an arbor movable relative to the table, a bevel shaft operatively connected to the saw assembly for pivoting the saw assembly, and a height shaft operatively connected to the saw assembly for moving the arbor relative to the table, wherein distance between the height shaft and the table is larger than distance between the bevel shaft and the table.

Abstract: A miter saw including a base, a table, a support housing connected to the table, first and second rails slidably connected to the support housing, a trunnion disposed on the first and second rails, and a saw assembly pivotally attached to the trunnion and movable between a front position and a rear position. The saw assembly includes a motor and a blade driven by the motor. The first and second rails may have different hardness. A first bearing is disposed underneath the first rail, whereas second and third bearings are disposed on the first rail between the support housing and the first rail.

Abstract: A miter saw having a base and an arm that pivots toward the base is disclosed. A blade is supported by the arm, and is designed to cut workpieces resting on the base when the arm and blade pivot downward. The saw includes a detection system configured to detect one or more dangerous conditions between a person and the blade, such as when a person accidentally touches the spinning blade, and the saw includes a reaction system to stop the downward movement of the blade and arm when the dangerous condition is detected.

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 circular cutter includes a bracket-mounting part integrally formed with a base plate as a single piece. The bracket-mounting part defines a first abutting face. A bracket is pivoted to the bracket-mounting part through a pivot shaft. The bracket defines a second abutting face, and is formed with an arcuate slot. A cutter-holding arm is pivoted to the bracket. A friction-providing plate is interposed between the first and second abutting faces. A screw rod extends through the arcuate slot and the friction-providing plate to threadedly engage an inner thread in the bracket-mounting part.

Abstract: A miter cutting arrangement for a cutting machine is provided to accommodate cutting work at an angle or a bevel for precisely cutting on a work piece. It includes a platform support arm longitudinally mounting to a cutting head support bracket, a platform pivot arm transversely extended from the platform support arm, a head platform pivotally connected with the platform pivot arm to support a motor, a miter supporting unit, and a locker device for selectively locking the cutting head at the normal position and the slanted position. The miter supporting unit includes a miter support provided at an outer side of the head platform and a miter stopper provided at an outer end of the platform pivot arm to block the miter support when the head platform is rotated at the slanted position.

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 saw is disclosed having a detection system adapted to detect a dangerous condition between a person and a saw blade, and a brake adapted to stop the saw blade in response to detection of the dangerous condition. The saw further includes a brake positioning system that allows the brake to be positioned in at least two different operable positions to accommodate at least two different blade diameters. The saw may include a system to detect brake-to-blade spacing.

Abstract: A miter saw is adapted for performing lengthwise, or rip, operations on a work piece such as wood. A back support arm is positioned off-center such that the work piece can be inserted under the miter saw substantially parallel to the blade. An arcuate aperture in the back support arm ensures that bevel adjustment properly aligns the blade with the blade slot during bevel cuts. An adjustable rail enables the work piece to be positioned in either a normal position, for crosswise cuts, or an orthogonal position, for lengthwise cuts. A toggle switch overrides the on/off switch on the handle, useful when the work piece is fed from behind. Two separate sleeves cover the blade, assuring safety during operation for both lengthwise and crosswise cuts. A tensioning board feed roller holds the work piece in place during lengthwise cutting.

Abstract: An ergonomic miter saw is provided having a base and a saw arm assembly with the saw arm assembly pivotally affixed at a fixed end to the base and provided with a distal end having a handle extending outwardly therefrom. The central region of the arm assembly includes a rotary spindle supporting a cutting disk. A handle is preferably provided with an elongate grip portion sized for the user's fingers and a palm pad portion extending outwardly therefrom to underlie the heal of the user's hand to minimize bending torque on the user's wrist as the arm is lowered. Ideally, the handle is rotated in a direction opposite that the cutting disk is tilted. Preferably, the handle is adjustably oriented about the arm axis in a direction opposite that the saw blade is tiltable so that the deviation for horizontal of the handle can be minimized when the miter saw is used in a tilted cutting disk mode.

Abstract: A saw table for fixing frame pieces of frames of paintings, pictures or photos, includes a base table having two arms crossed and substantially perpendicular to each other and a gap at where the arms are crossed, wherein the arms are respectively provided with a fastening device to secure a frame piece to be cut, and a guiding assembly having a guiding shaft provided on one of the arms at where the arms are crossed and is adjacent to the gap and an attracting device movably mounted on the guiding shaft. The attracting device has a magnet thereon for attracting a saw blade attached on the attracting device with a blade cutting portion of the saw blade received in the gap and the guiding shaft and the attracting device are respectively provided with a positioning device to fixedly secure the attracting device on the guiding shaft.

Abstract: A woodworking machine is disclosed having a base, a blade, 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 and/or to stop movement of the blade toward the cutting zone.

Abstract: A multifunctional electrically powered and operated construction apparatus incorporating an electric saw tool, an electric planer tool, and an electric drill tool all mounted upon a common stock pillar of the apparatus. The apparatus incorporates a unique system of cooperating transmission and gear subassemblies that enable an operator of the apparatus to quickly and efficiently adjust the apparatus to toggle between sawing, drilling and planning functions.

Abstract: A compound miter saw includes a table on which a workpiece is placed, a miter saw unit supporting a saw blade, and a housing pivotally supporting the miter saw unit related to the table in such a manner that the miter saw unit is at least laterally pivotable. Further, the miter saw includes a bevel mechanism for selectively determining the lateral position of the miter saw unit at any of a plurality of pivoted positions, including a vertical position where the saw blade is positioned substantially vertically relative to the table, and leftward and rightward pivoted positions where the blade is inclined laterally leftwardly and laterally rightwardly from the vertical position. The bevel mechanism includes a movable rod and three fixed stop members, the rod being operable to move between a first rod position abutting one of the fixed stop members and a second rod position not abutting the one of the fixed stop members so as to permit the lateral pivotal movement of the miter saw unit.

Abstract: A miter saw having a base and an arm that pivots toward the base is disclosed. A blade is supported by the arm, and is designed to cut workpieces resting on the base when the arm and blade pivot downward. The saw includes a detection system configured to detect one or more dangerous conditions between a person and the blade, such as when a person accidentally touches the spinning blade, and the saw includes a reaction system to urge the arm and blade away from the base when the dangerous condition is detected.

Abstract: A power tool includes a table. A shaft is disposed on the table and has an axis. A support housing supporting a motor and a working tool driven by the motor is disposed on the shaft adjacent to the table. The support housing is axially movable along the shaft and being laterally pivotable about an axis of rotation. A locking mechanism is further provided for locking the support housing at a predetermined lateral position, wherein the locking mechanism may include a handle disposed on the shaft, the handle being rotatable in two directions with respect to the table, such that, upon rotation of the handle in both directions from a neutral position, the handle urges the support housing into contact with the table. The shaft may be rotatable relative to the table. The locking mechanism may further include a first camming surface disposed on the table and a second camming surface disposed on the shaft and engaging the first camming surface.

Abstract: The head of a head assembly for a cutting machine defines a first channel oriented at an oblique angle to an axis of movement of the assembly, a slide, mounted for slidable movement in the channel, between a withdrawn blade position and a plunged blade position, and a blade-holding magazine. The slide has a second channel extending substantially parallel to the first channel for receiving the blade-holding magazine, and the slide and head include cooperating mechanical elements for adjustably limiting the movement of the slide to the plunged blade position. Cooperating mechanical components also adjustably limit the depth of magazine insertion into the second channel.

Abstract: A miter cutting arrangement for a cutting machine is provided to accommodate cutting work at an angle or a bevel for precisely cutting on a work piece. It includes a platform support arm longitudinally mounting to a cutting head support bracket, a platform pivot arm transversely extended from the platform support arm, a head platform pivotally connected with the platform pivot arm to support a motor, a miter supporting unit, and a locker device for selectively locking the cutting head at the normal position and the slanted position. The miter supporting unit includes a miter support provided at an outer side of the head platform and a miter stopper provided at an outer end of the platform pivot arm to block the miter support when the head platform is rotated at the slanted position.

Abstract: A power tool includes a motor, a housing forming a handle, and a power switch disposed within the handle operatively associated with the motor. The power switch is movable between “on” and “off” positions via a trigger. The trigger is pivotable about a first axis. A lock-out link is pivotably attached to the housing. The lock-out link is movable between a first position contacting the power switch for preventing movement of the power switch to the “on” position, and a second position not contacting the power switch, allowing movement of the power switch to the “on” position. The lock-out link pivots between the first and second positions about a second axis non-parallel to the first axis. In addition, a first button is disposed on the housing for moving the lock-out link between the first and second positions.

Abstract: The miter saw includes a base, a table rotatably attached to the base, a support housing connected to the table, at least one rail slidably connected to the support housing, a saw assembly pivotally attached to the at least one rail and movable between a front position and a rear position, the saw assembly including a trunnion disposed on the at least one rail, a pivot arm pivotally attached to the trunnion, an upper blade guard connected to the pivot arm, a motor attached to the upper blade guard, and a blade driven by the motor, and a carrying handle provided on the at least one rail.

Abstract: A crown molding jig device for mitering the ends of crown molding stock. The crown molding jig device includes a first template member being a first elongate multi-sided support member having a first base portion and a first planar wing portion extending along and outwardly from a longitudinal side of the first base portion and being adapted to support a crown molding stock upon a cutting device; and also includes a second template member also being an elongate multi-sided support member having a second base portion and a second planar wing portion extending along and outwardly from a longitudinal side of the second base portion and being adapted to support a crown molding stock upon the cutting device.

Abstract: The miter saw has a base, a table rotatably attached to the base, a support housing connected to the table, a rail slidably connected to the support housing, and a saw assembly pivotally attached to the rail and movable between a front position and a rear position. The saw assembly has a trunnion disposed on the rail, a pivot arm pivotally attached to the trunnion, an upper blade guard connected to the pivot arm, a motor attached to the upper blade guard, and a blade driven by the motor. The miter saw also has a carrying handle provided on the rail.

Abstract: A saw table assembly for cutting a workpiece with a saw. A pair of rails for supporting a working surface and a track. The suitable work surface includes a first group and a second group of table sections with extension rails disposed within the table sections. A coupling assembly, disposed at the center of the rails, for supporting the saw track. The saw track can slide longitudinally and pivot back and forth about the coupling assembly. The coupling assembly including a cam which has three different operating positions.

Abstract: A miter box is comprised of two incomplex components, namely, a base and a U-shaped guide member, which are assembled by engagement of a pivot post on the guide member within a passage extending normal to the surface of the table of the base. An assembly for clamping the workpiece against a fence member on the base consists of a lug that is engageable at each of numerous locations along the length of a channel for location proximate the fence, and a clamping piece that is rotatably mounted on the lug piece for being turned into clamping engagement with the workpiece.

Abstract: An adjustment device for a compound miter saw includes a base having a top and a miter lip with detents, a turntable having a bottom and a miter assembly. The turntable is rotatably mounted on the top of the base, and the miter assembly is attached to the bottom of the turntable. The miter assembly includes a resilient biasing member having an engaging stop corresponding to the detents, a releasing rod rotatably mounted in the turntable, and an eccentric rotator having an eccentric portion and attached to the releasing rod corresponding to the resilient biasing member. The releasing rod rotates the eccentric rotator so the eccentric portion will push the engaging stop upward to disengage it from the detents to allow the turntable to be adjusted.

Abstract: A table saw insert (10) includes an annular table insert portion (22) formed of machinable aluminum and a kerf insert portion (20) received in a stepped passage (44) formed in the table insert portion (22). Holding screws (56) extend through counterbored openings (54) in the kerf insert portion (20) and are threadably received in lips (46) of the table insert portion (22). Set screws (52) are threadably received in the lips (46) on diametrically opposite sides of the holding screws (56) to adjust the upper surface of the kerf insert portion (20) to be planar with the upper surface of the table insert portion (22). Ball plungers(30) are located in plunger openings (36) extending from the outer periphery of the table insert portion (22) to remove side-to-side play of the insert (10) within the table opening (12).

Abstract: A fine-adjustment mechanism for making small adjustments to a cutting angle on a miter saw. The mechanism 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. The fine-adjustment lever may include a plurality of notches. 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 table saw including a base, a main table supported by the base, first and second rails attached to the table, a sliding table fixedly attached to the rails and sliding along the longitudinal axis of the rails and a cross-cut table slidably movable in a direction perpendicular to the longitudinal axis of the rails. The cross-cut table may be adjusted to ensure movement parallel to a blade protruding from the main table. An improved miter gauge assembly is also disclosed. An improved fence assembly is further disclosed herein. In addition, a table saw having an improved panel and leg construction is disclosed herein.

Abstract: A miter saw attachment for attaching to the fence of a miter saw and for cutting molding, for example crown molding or cove molding, the attachment comprising: a block comprising an angled face and a fence face, with the block defining a mount recess and defining a block opening leading to the mount recess. The mount defining a mount opening with a means for fastening received therein. The mount received in the mount recess. The means for fastening tightened drawing the mount and block to the fence of the miter saw. The molding to be cut is positioned and held against the angled face of the block and cut.

Abstract: A cutting machine includes a bottom collecting tray, a cutting blade overhanging on a cutting table and having a cutting area defined at an outer circumferential portion thereof when the cutting blade cuts the work piece, and an environment control arrangement. The environment control arrangement includes an end collecting tray, which is upwardly extended from the bottom collecting tray, having a collecting chamber for collecting residual particles of the work piece while the cutting blade cuts the work piece, wherein the end collecting tray must be upwardly extended to a position above the cutting area of the cutting blade, and a suction source having a sucking inlet provided at a lower portion of the end collecting tray for collecting the residual particles within the collecting chamber by means of sucking effect.

Abstract: A bevel miter saw is provided having a switch handle that is ergonomically rotatable to a selected predetermined position as provided by a detent mechanism. An embodiment of the detent mechanism includes a detent member having radially directed slots, and a detent pin movable in a generally radial direction relative to the slots. Furthermore, a safety feature is provided wherein the detent pin is mounted to a lever including a projection that obstructs a trigger switch in the handle when the detent pin is not engaged in one of the detent slots so that the handle could rotate.

Abstract: A chop saw including a base, a rotatable table rotatably disposed on said base, and a saw unit pivotably connected to the table. The saw unit includes a blade, a motor for driving the blade, and a housing for covering the motor. The saw unit is movable downwardly towards the table in order to cuttingly engage a workpiece. In addition, the chop saw includes a battery connected to said motor. Preferably, the battery is attached to the housing.

Abstract: A tile saw includes a base, a frame assembly disposed on the base, a first rail disposed on the frame assembly, the first rail having a longitudinal axis, a table slidingly disposed on the first rail, a support assembly disposed on the base, a saw assembly supported by the support assembly, the saw assembly comprising a motor, a cutting wheel driven by the motor, the saw assembly being pivotable about a horizontal axis substantially parallel to the longitudinal axis, and a switch electrically connected to the motor and disposed on the support assembly so that, when the motor assembly is pivoted about the horizontal axis, the switch remains stationary.

Abstract: A miter saw is provided having a support arm that is pivotally mounted to a base for adjustment of a pivot angle, the saw including a detent mechanism to provide pivot stops at common bevel angles, such as at 45° L, 0° (vertical), and 45° R. The detent mechanism includes a step-shaped, arcuate detent block mounted to the support arm in an adjustable manner to permit the accurate setting of the block in a home position. In an embodiment, a pair of set screws acts against opposite ends of the detent block, permitting precise adjustment in either direction. An axially movable detent pin is mounted to the base to contact against stepped surfaces of the block. The arm is free to pivot within a bevel angle range defined by one of the surfaces. Steps between surfaces act as a pivot stops, abutting the pin at a corresponding predetermined angle of the arm.

Abstract: A miter saw includes a base, a table, a support housing connected to the table, at least one rail slidably connected to the support housing, a trunnion disposed on the at least one rail, a saw assembly pivotally attached to the trunnion and movable between a front position and a rear position, the saw assembly comprising a motor and a blade driven by the motor, and a return mechanism disposed on one of the trunnion and the support housing for returning the saw assembly to the rear position. The return mechanism may include a spool, a cable disposed on the spool, and a spring for biasing the spool to a first rotational position, the cable being connected to the other of the trunnion and the support housing.

Abstract: A method of an apparatus for cutting segments (10) to desired lengths from a strip (1) of elastomeric tire components having at least one cord reinforced component involves the step of impacting one cord (22) as the cut is being made and lifting the cord (22) to avoid cutting cords (22) while directing the cutting path along the lifted cord(22). The article resulting from the method has a plurality of cords (22) adjacent a flat cut splicing surface (8) suitable for lap splicing.

Abstract: A benchtop saw, such as a compound miter saw, has a bevel angle locking actuator for locking the bevel angle of the saw blade which is easier for the operator to reach than prior art bevel angle locking actuators that are located at the rear of the saw. The bevel angle locking actuator is mounted forward of the rear of the saw on the saw support assembly, which is in turn rotatably mounted to the saw's base assembly. Also disclosed is a bevel angle locking system which permits remote mounting of a bevel angle locking actuator.

Abstract: A circular sawing machine having a hidden-type infrared guide device includes a main frame, a saw base pivotally mounted on the main frame, an infrared guide device, and an operation set. The infrared guide device is mounted on the saw base and includes a slide slidably mounted on the saw base, and an infrared indication lamp mounted on the slide. The slide is formed with an elongated slot. The operation set is mounted on the infrared guide device, and includes a drive plate, a movable pin, and an elastic plate. The movable pin is extended through the elongated slot of the slide and has a first end pivoted with the drive plate, and a second end combined with the elastic plate. The elastic plate is mounted on the movable pin and rested on the slide.

Abstract: A woodcutting-angle guide for powered hand tools has a tool-guide beam (1) hinged to a feedstock-guide beam (2) that is adjustment-angled from the tool-guide beam with an angle-adjustment rod (3). The angle-adjustment rod has a hinged end (23) that is hinged to the tool-guide beam. For affixing an adjustment angle of the feedstock-guide beam from the tool-guide beam, the angle-adjustment rod includes an angle-adjustment slot (24) in which an angle-adjustment setscrew (17) on the feedstock-guide beam slides fixedly. An angle of the tool-guide beam from the feedstock-guide beam is variable by distance of affixment of the angle-adjustment setscrew from the tool-guide beam in the angle-adjustment slot. This allows a reference edge (22) of a feedstock board (16) to be positioned against a feedstock-guide wall (21) of the feedstock-guide beam and a cut-targeted line (15) of the feedstock board to cross under the tool-guide beam for being cut by a powered hand tool (9-14).

Abstract: An angle sensor has a miter bar, a fence, a rotary sensor, a display, and a processing system and may additionally have a head plate, an auxiliary fence, means for detachably affixing the miter bar to a saw blade, and a power source. The miter bar has a longitudinal axis. Primary fence 6 is pivotally disposed on the miter bar and has a face that defines a plane. The rotary sensor outputs a signal indicative of the angle between the longitudinal axis of the miter bar and the plane of the face. The processing system interprets the signal and activates the display to numerically exhibit the angle. The display provides a visual indication of the angle.

Abstract: A scroll saw includes a work platform, a C-shaped frame, a blade unit, a blade holder unit, a motor unit, a transmission unit, a pivot unit, and a locking unit. The C-shaped frame has upper and lower frame portions disposed above and below a top side of the work platform. The blade unit has blade ends retained on the blade holder unit. The motor unit drives the blade holder unit via the transmission unit for moving the blade unit to reciprocate relative to the work platform. The pivot unit mounts pivotally the C-shaped frame on the work platform about a pivot axis in the longitudinal direction, thereby permitting sawing angle adjustment. The locking unit locks releasable the C-shaped frame to the work platform so as to arrest pivoting movement of the C-shaped frame relative to the work platform.