Abstract: A wall-mounted support system for a sheet-cutting machine employs a workpiece clamping unit, and a set of rack units to provide endwise support for the workpiece. The clamping unit is comprised of confronting, elongated members of U-shaped cross section, connected by pairs of identical pivot arm components which are, in turn, assembled with pins that provide bearing elements. The rack units incorporate leveling bars, the attitudes of each of which is adjusted by use of an eccentric fixture.

Abstract: A variable angle saw guide apparatus (10) for assisting an individual in making a precision cut in a piece of lumber (100) with a saw (300); wherein the three major components of the apparatus (10) include an angle plate unit (11) having a plurality of angle defining apertures (18); an angle guide unit (12) adapted to be secured to the angle plate unit (11) and aligned with a selected one of the angle defining apertures (18) via securing means (50); and, a hold down clamp unit (13) adapted to be secured to the angle guide unit (12) and engage the top of a piece of lumber (100) during the cutting process.

Abstract: A board cut-off saw apparatus 10 is described for enabling cut-off saw operator to cross cut boards along their length to obtain usable wood pieces and to remove or discard defective sections. The apparatus 10 includes a plurality of cut-off saw lines 26 with manually activated cut-off saws for cutting the boards along each line. The length of the boards and the length of the cut wood pieces are measured while the board is being cut. Each cut-off saw line has an optical measuring system extending upstream and downstream for measuring the length of the boards 12 and cut wood pieces 24, respectively. The downstream optical sensors (photo) comprise a longitudinal row of closely assembled light emitting diodes 58 for sensing the length of the wood pieces with a measurement resolution of less than 1/4 of an inch. Each cut-off saw line 26 has a sorter for sorting the wood pieces according to their measured length.

Abstract: Device for guiding a workpiece to be cut at any of a plurality of angles on a power saw and like cutting machine of the type including a tabletop and a blade movable within a cutting line for cutting the workpiece held stable on the tabletop. The device includes a pair of guiding bar; one bar is constantly set at an angle of 90.degree. degrees with respect to the cutting line, and the other bar can be set at any of a plurality of angles between 0.degree. degrees and 0.degree. degrees with respect to the cutting line. The device is removably mounted on the machine.

Abstract: An apparatus for cutting circular arcs or holes in a picture mat includes a flat base upon which the mat rests and a platform provided above the base . A disc member is suitably mounted for rotation adjacent the platform about a center axis. A crank mechanism having a axle extending perpendicularly through the disc member and a mounting arm attached to an extending perpendicular arm from the end of the axle are provided on the disc member. This crank mechanism is slidably mounted to the disc member. A cutting blade is then adjustable mounted along the mounting arm and at an angle to the mat. The circles or arcs are cut in the mat by rotation of the crank mechanism--at a location determined by the position of the crank mechanism and of the disc member, and with a diameter determined by the position of the cutting blade relative to the mounting arm.

Abstract: A mat cutting machine utilizes a trolley which runs smoothly and accurately along a shaft mounted upon the clamping bar assembly. Means is provided for precisely adjusting the relationship between the bevel cutting blade and the edge of the clamping bar, and the blades are held by magazines which permit ready interchangeability and facile adjustment of the amount of blade protrusion so as to enable the cutting depth to be altered with considerable ease. The base of the machine includes means for accurately positioning the workpiece, and for readily controlling the travel of the trolley, to afford high volume production capability.

Abstract: A hand held circular saw rip guide that is attached to a planar base and includes a movable cross member that is disposed about the planar base. An cross member extension serves as a straight-edge to guide the skill saw in operation. An upper surface of the planar base has a graduated series of indicia that represents feet and inches, or any suitable scale, to provide the operator with a tool for measuring the work piece and in combination with the movable cross member allows the operator to measure and cut any desired dimension in the work piece.

Abstract: A mitre cutter arrangement is provided for making mitred cuts in cable ditches. The arrangement comprise a mitre table with a base and a number of guide members extending from the base of the table in spaced relationship so as to accommodate standardized sizes of the cable ditches; clamps for clamping the cable ditch to the mitre table, and a mitre ruler provided with at least one flange extending along the side edge thereof and a groove extending in the longitudinal direction of the ruler. The groove receives a saw blade, and clamps are provided which secure the mitre ruler to the cable ditch. A saw device, guided by mitre ruler, carriers the saw blade as well as guide wheels running along the mitre ruler.

Abstract: A process a plate workpiece with high precision at high speed, the plate processing machine comprises a workpiece side surface positioning device (SPD) provided with magnet rollers (MR); a workpiece trimming device (TD) provided with a tool actuating switch (SW); and a workpiece positioning device (PD) provided with an optical sensor (SE). The magnet rollers guide a workpiece forward in magnetic rotatable contact engagement with the side surface of the workpiece. The tool actuating switch is actuated before the workpiece is located at a trimming position for automatic trimming operation. The optical sensor generates a feed speed deceleration signal so that a fed workpiece will not apply shock to the stop member of the positioning device by adjusting the sensor position relative to the stop surface according to the workpiece length to be cut.

Abstract: An apparatus for cutting meat blocks which includes a main blade to cut slices from a meat block and transverse blades to divide the slice into strips. The blades are mounted on a cutting unit which may be driven to reciprocate relative to a stationary meat block support. The latter includes a slice support structure that extends outwardly beneath the cutting unit in a comb-like configuration. The cutting unit carries a horizontally adjustable stop assembly having stop elements which fit and reciprocate within the gaps formed in the slice support. This configuration permits the smooth and stepless adjustment of the slice thickness without the necessity of disassembling any parts.

Abstract: A linear position index bar is fixed to the frame of a horizontal band saw adjacent the workpiece support table. A linear indexing clamp assembly is mounted to the bar and movable along it to primary indexing locations. A workpiece end locator stop is micrometer mounted to the clamp assembly and associated with a dial indicator for precision indication of positions within a range of one measuring increment of the index bar. Major changes of stock stop position from the saw blade are done by moving the index clamp. Precision positioning is accomplished with a decimal setting knob on the micrometer.

Abstract: A plate processing device for use in a machine with a vertically acting ram; has a guide device mounted on the frame and a guide member which is pressed to a sliding surface of the ram. The guide member freely rotates around the centerline of the first vertical shaft and also freely rotates around the centerline of the second shaft perpendicular to the first shaft and parallel to the sliding surface and is constructed so that it follows the sliding surface of the ram. Also, a back gauge for the work is buffered against the shock of abutment with the workpiece and may be backed away from the workpiece. A pressing plate for the workpiece is supplied by a high pressure and a low pressure plunger, which are vertically actuated to provide a noiseless operation.

Abstract: A system for the precision cutting of picture mats includes a flat base on which an elongate mounting arm is provided. A mat guide bar is adjustably and detachably mounted to the mat guide bar and includes a first mat engaging edge surface and opposed edge surface. A mat cutter device is also mounted on the base for cutting a mat along a line parallel to the first edge surface. A plurality of bar stops are provided which include opposed flat sides and a bar stop mounting mechanism for detachably mounting each bar stop to the mounting arm. The bar stops are mounted so that opposed flat sides are positioned parallel to the edge surfaces of the mat guide bar for selective abutment therewith. Two mat stops are also provided which include a second mat engaging surface. These mat stops are detachably mounted to the guide bar. The second engaging surface is adjustable with respect to the first edge surface of the mat guide bar. Preferably, the bar stops are adapted to receive an elongate cross member therein.

Abstract: A cross cutting guide fence and gauge for radial arm saws comprises a bar member to be mounted in a conventional transverse saw table slot. An upwardly opening saw blade clearance kerf extends transversely across the member. Sawn length gauging scales on display panels are carried by the bar at opposite sides of the clearance kerf and are longitudinally adjustable. For accurate duplicatively gauging the length of fixed length sawn workpieces, a replaceable gauge block may be selectively adjustably longitudinally mounted on the front face of the bar at either side of the kerf.

Abstract: A precision pin gauging system for a sheet metal shearing machine, wherein the pin gauging system comprises a horizontal mounting bar secured to the front of the shearing machine and a pair of pin gauge devices. Each pin gauge device includes clamping means for releasably securing it to the mounting bar as desired. Each pin gauge device also includes a spring loaded, pivoting gauging arm for releasably engaging the gauging holes in the work piece. Each pin gauge further includes a micrometer adjustment screw for precisely setting the exact desired distance between the gauging arm and the shearing means in the shearing machine.

Abstract: A tool for cutting divisible strips of frangible material having pre-break lines disposed at predetermined spacings comprises an elongate channel support within which a slider captively slides. The support is adapted to receive a divisible strip therein through an open end thereof. The slider has a surface define a stop against which the strip will strike. The support has along its side walls, a series of markings arranged at predetermined pitches corresponding to whole numbers of unit spacings of the break lines between the stop on the slider and the open end face of the support. The support further includes locking means that resilient lock the slider at the positions of the markings such that by sliding the slider to one of the selected markings variously sized strips can be obtained by breaking the strips by a lateral pressure applied thereto against the end face of the support.

Abstract: A hole punch assembly for punching holes in papers and such, usually having dual spring-loaded punch units attached to a base member. The punch assembly is constructed from formed sheet steel and includes a rectangular-shaped base member having two spaced-apart rectangular shaped depressions and openings therein, each for receiving a spring-loaded punch unit rigidly attached to the base. The punch unit includes a frame folded to provide a gap through which a punch rod is extended through a hole, the frame enclosing a compression spring located around the punch rod and a spring-retaining shoulder ring is provided in a groove located between the frame and the upper end of the compression spring. The punch unit is rigidly attached to the base member so that the gap has its lower surface flush with the upper surface of the base member, to allow paper stacks or paper sheets for punching to be guided into the gap without any obstructions or hang-up.

Abstract: A front gauge which has a pair of arms (20) attached to a machine tool with a front and rear head assembly movably positioned thereon defining a pair of indexing members (34) providing an adjustable measurement. The head assemblies have a front head (32) connected by springs in bias with a positioning screw (50) to a rear head (40) providing separable adjustment. A manual lever operated pin (56) in the rear head mates with one of a series of holes (22) in the arm furnishing an incremental adjustment of the head to the nearest whole number distance from the tool. The adjusting screw is rotated changing the relationship of the heads a fractional dimension, as read by a dial indicator (64) positioned on one head contiguous with the other, thereby achieving accurate measurable distances from the tool to the gauge overcoming inaccuracies of rear mounted gauges.

Abstract: A tool having a laterally slidable adjustment structure including a corresponding track and guide slidable thereon. The tool also includes a mechanism for releasably securing the guide on the track in a selected position of adjustment. Additionally, the tool is provided with a friction drive arrangement operatively associated with the guide and in engagement with the track.

Abstract: A workpiece stop mechanism (20, 50) for use with a fence (50, 60), is disclosed. The stop mechanism (20) includes a body member defining an opening for enabling the body member to be inserted on and removed from the fence (50) and for sliding on the fence (50). The body member has a view plate (24) that is cooperatively connected for viewing a measuring device (57). A gate member (30) and eccentric (31) provide for pivoting the gate member between an open and closed position wherein when in the closed position the gate (30) is engaged with the fence (50) and thereby securing the gate (50) and body to the fence (50). The fence (50) includes a body member (51) adapted to be secured to a work surface and an upright member (55) cooperatively connected to the bottom member (51). An angled extension member (56) is cooperatively connected to a top portion (55c) at an angle from approximately 30.degree. to 60.degree. and preferably at an angle of approximately 45.degree..

Abstract: A board positioner operationally cooperates with a radial arm saw with a workpiece fence to measure a board to be cut by the saw. The positioner comprises a support structure, a slide bar supported by the structure and a slide mounted on the slide bar. The slide is selectively rotatable with respect to the bar and infinitely positionable therealong. The slide includes a bridge which allows the slide to arc the fence when in operational position to assist an operator in cutting a board from a workpiece.

Abstract: A double duty paper punch for punching selected combinations of holes in up to fifty sheets of paper comprises a die-cast base with a steel die plate of angle cross section seated on the base with a downwardly projecting flange received in a recess in the base. An elongate punch holder, also a die casting, has a rear portion seated on a rear portion of the die plate and a forward portion spaced upwardly from the die plate to receive the paper to be punched. Rivets through aligned holes in the punch holder, die plate and base secure these parts together. The punch holder has a plurality of punch-receiving bores aligned with holes in the punch plate and base selectively to receive individual punches, each having a stem and a head with a spring acting between the head and the punch holder to hold the punch in raised portion.

Abstract: A method of and an apparatus for the cutting of rectangular windows on mats provides a pair of blades on respective tracks which are simultaneously displaced to cut a pair of mutually perpendicular cuts in a blank positioned on a worktable. The blade carriages are actuated by pneumatic cylinders and in turn carry pneumatic cylinders for raising and lowering the blades. The margins of the mat are defined by adjustable bars whose perpendicular distances from a reference point, represented by the junction of the paths of the cuts, can be set.

Abstract: A drop feed mitering machine includes a work table positioned in a near vertical orientation, a cutting throat running perpendicularly through the machine and a drop feed guide mounted in the region of the cutting throat for guiding a length of molding stock over the cutting throat in a simple gravity assisted drop feed operation. A cutter block is actuated from the front of the machine to sever the molding section positioned over the cutting throat and a front removable scrap bin is provided for removing scraps produced by the cutter block during mitering operations. A feed stop positioned below the feed guide is adjusted to determine the length of the molding piece to be cut. The drop feed machine of the invention can be operated in a confined space because the horizontal feed operations and the horizontally extending feed structures of conventional mitering machines are eliminated.

Abstract: This invention sets forth a workpiece adjusting mechanism, a quick release and removal die holder and a punch and stripper unit which can be adjusted and removed quickly for saving production time.

Abstract: An improved table shear, and method for using same, for cutting sheet metal in precise dimensions. The table shear includes a hold down clamp in operative engagement with the cutting blade leverage mechanism. The clamp impinges against the sheet metal before the blade begins to cut, thereby preventing movement of the sheet metal during the shearing process. The clamp also protects the operator from the cutting blade during the shearing operation.

Abstract: In a workpiece cutoff measuring device, in combination with a miter saw, or the like, a workpiece guide rail extends laterally from the plane of the saw and slidably supports a workpiece length measuring frame longitudinally slidably supported by the guide rail. The frame supports a conventional spring wound measuring tape case for indicating a desired dimension for cutting a workpiece to length and includes a tape clamp for maintaining the tape in a selected extended position.

Abstract: The invention relates to a device for setting the thickness of cut in cold meat slicing machines. In order to bring a stop plate on such a machine into parallel alignment with the cutting plane of the machine, provision is made for the stop plate to be rigidly connected to a guide axis aligned and displaceable transversely relative to the stop plate, and for the axis to be axially displaceable in two spherical bearings pivotably supported on the machine frame and to be supported against rotation by a bracket rigidly connected to the axis and slidingly guided in the machine frame, with a mechanism for setting the thickness of cut engaging the bracket, and for one of the spherical bearings to be adjustable in two directions extending substantially radially relative to the guide axis for the purpose of positioning the stop plate and the circular cutter blade parallel to each other.

Abstract: A chain saw gauging attachment having a fitting at one end adapted to be received under an existing nut on an existing stud of a chain saw, a rod extending outwardly from the fitting, means for firmly attaching the rod to the fitting, and an indicator which is slidably affixed to the rod and adapted to be fixed in predetermined positions. The fitting of the gauging attachment may be provided with a rotating means which permits the gauging attachment to be swung to the rear of the chain saw and away from the working area when not in use. When mounted, the gauge rod extends along the length of the work piece of a log to which is to be cut, and the indicator of the gauge rod enables the user to fix by sight the place on the log where the next cut is to be made. The gauge rod is slender and resilient whereby it will spring back to its original shape if accidently flexed.

Abstract: The invention relates to a cold meat slicing machine comprising a locking device exhibiting the following features: a slider member articulated at the carriage prevents swivel motion of the carriage at a thickness of cut setting other than zero; a bar is swivable into a first end position in which it permits swivel motion of the carriage; a claw connected to the bar locks the device for adjusting a stop plate at the zero thickness of cut setting; a supporting surface of the slider member locks the adjusting device in the zero position when the carriage is in the swivelled-out position; in the swivelled position of the carriage, rotation of the slider member, and, consequently, alteration of the zero position of the device for adjusting the stop plate are excluded.

Abstract: A bench having a horizontal working surface and a fence at the rear edge which defines a straight edge. The fence includes a forwardly extending ledge which overhangs the rear portion of the working surface. The working surface can be raised and lowered, so that a workpiece on the working surface can be releasably clamped between the ledge and the working surface. A bridge is secured to the fence and includes guide rails extending forwardly accurately perpendicular to the fence to guide a carriage on which can be mounted a power tool, such as a router, e.g. to form an accurate edge on the workpiece.

Abstract: A removable fence for a table saw is positioned on a saw table by a locking mechanism located on the fence which simultaneously grips a pair of blocks mounted on an endless flexible cable. The locking mechanism engages the blocks and raises them into frictional relation with an L-bracket mounted on the table thus preventing movement of the fence. The blocks are affixed to the cable at points equidistant from the plane of the saw blade thereby insuring parallelism of the fence relative to the plane of the saw blade. Utilizing the flexibility of the cable which permits lateral movement, the fence is removed by releasing the locking mechanism and moving the blocks laterally away from the mechanism.

Abstract: A large punch for piercing a thick bundle of sheets of paper at a time. A gear mechanism is operationally associated with a handle to move vertically a pair of paper holding plates cooperating with a pair of cylindrical piercing blades provided on a base, and thereby reduces the force required for moving the handle for the piercing operation. A base plate, which has a pair of holes each defining a passage for one of the piercing blades, is vertically rotatably supported on the base, and is normally biased upwardly to facilitate removal of the piercing blades from a thick bundle of sheets of paper after it has been pierced. The piercing blades and the paper holding plates are removably attached to the base and the gear mechanism, respectively, so that both of them can be easily changed to new ones if required.

Abstract: A paper guide mechanism is slidably secured to the ruler of a paper cutter apparatus such that the paper guide mechanism can be rotated from a contact position with the cutting board without disconnecting it from the ruler.

Abstract: The present invention relates to a punch for office use for making a pair of holes at first or second predetermined spaced apart distances in a card, or like paper to be punched by a pair of punching blades. A pair of right and left blade supporting members each support a punching blade. Each of the punching blades has a longitudinal axis that deviates from the longitudinal axis of the blade supporting member. A punch for either narrow or wide punching can be manufactured by changing the right and left positions of the pair of right and left punching blade supporting members.

Abstract: This invention relates to a roller table for woodworking machines, especially for tenoning and slot mortising machines for the manufacture of window frames, which can be moved in translation along a straight guideway and which is provided, at the end facing away from the guideway, with a longitudinal adjustable supporting plate for the overhanging end of the workpieces.

Abstract: An improvement on commercial machines which bind documents using plastic strips. The punch mechanism may be automatically actuated when the paper sheets are properly aligned on a punch platen or actuated manually at the user's discretion. Distance of the holes from the edges of the sheets may be indexed.

Abstract: Slot wedges are cut from lengths of wedge stock having a generally U-shaped transverse cross-section by air-operated shearing means triggered when an end of the wedge stock contacts a paddle mounted with a paddle-operated electrical switch on a slide assembly movable longitudinally along the path of feed of wedge stock past the shearing means. The shearing means comprises a movable blade having an external symmetrical U-shaped cutting edge cooperating with a fixed blade having an internal symmetrical U-shaped cutting edge with a rounded end and straight, parallel sides. A guide dial with multiple selectable apertures is used to center the wedge stock on the shearing means. The guide dial is aided by an upward protrusion which projects between the legs of the wedge stock cross-section to keep the wedge stock perpendicular to the cutting plane.

Abstract: A plate positioning apparatus for use with a punch machine having a number one workpiece stopper that moves left and right along the direction of the X axis and a number two workpiece stopper that moves to and fro along the direction of the Y axis perpendicular to the X axis, each workpiece stopper having its own motor. The number one workpiece stopper moving left and right relative to the punch along the direction of the X axis structured with a corner cutout on its inner leading edge so as to allow the punch to pass through. The number two workpiece stopper moves to and fro relative to the punch along the direction of the Y axis structured with a cutout section in the middle of its leading edge so as to allow the punch to pass through, the two cutout openings meeting at the forwardmost point of intersection to allow the punch to pass through.

Abstract: A new and unique workpiece locating device for a corner shear machine which serves for determining a required position prior to starting a shearing operation when it is to be conducted at a corner or on one side of a workpiece in the form of square or rectangular sheet material. The workpiece locating device includes a pair of symmetrically located grooves extending in a V-shaped form relative to a center line extending through the center of dies across a table and a pair of rotary stoppers displaceably mounted on said grooves so as to slide to and fro therealong. The workpiece abutment edge of the respective stoppers is adjustable within an extent of an angle of 45 degrees in both the rotational directions relative to a plane extending at a right angle to the cutting edge of the dies. Measuring scales for both corner shearing and side shearing are fixedly mounted on the table in the vicinity of the grooves and in parallel to the latter.

Abstract: A saw gauge for quickly and accurately measuring lengths of boards to be cut with a cross-cut saw is disclosed. The gauge includes a series of two or more bar segments having a flat base portion adapted for mounting on a cutting table in line with a guideway or fence also mounted thereon and a plurality of raised ribs of predetermined width projecting upwardly from the base portion and being spaced apart by channels of predetermined width. An elongated pivot pin extends the length of the segments behind all of the ribs in each segment except an end one of the ribs, which extends rearwardly behind the remaining ones of the ribs in each segment and contains a hole therein through which the pin projects for support.

Abstract: A panel grooving apparatus has a table for supporting a panel at a working level. A rail extends along a side of the table and a working assembly is mobile on that rail. The working assembly is selectively immobilized in various grooving positions by stops movable and selectively arrestable along the rail and engageable by part of said working assembly. The panel is releasably retained on the table by movable peripheral elements thereon. In a simplified embodiment, the working table may be reduced to a ruler on which a shoe of a rectilinear guide slides.

Abstract: For accurate correlation of the punch pins and edge guide for a paper punch or the like, a gage sheet of predetermined length is formed with accurately located holes corresponding to the desired location of the holes or slots to be punched in paper of similar length (e.g., end holes equidistant from top and bottom of the sheets). Such gage sheet may be pre-punched and of a permanent character, or may be prepared by trial and error by adjusting the edge guide until the end holes are equidistant from the edges of the sheet. The punch pins are lined up with the gage holes and then the edge guide is moved snugly against the edge of the gage. The gage is then removed. The edge guide is mounted on a transversely movable slide visible through a window in the platen on which the paper is to rest. Markings for different paper lengths may be permanently displayed on the platen at an edge of the window. Markings on the platen may be affixed by applying thereto a decal having paper length markings thereon.

Abstract: A control mechanism for a paper cutting machine having a table for supporting a pile of sheets to be cut, cutting apparatus for operating it, a backstop mounted for movement along the table so as to position and advance the pile, and drive apparatus for moving the backstop along the table in either direction. A controller is electrically connected to the machine including a digital computer mechanism equipped to accept input information relating to the position of the back gauge and information from a keyboard and to store and process this information and retrieve it, and to provide input to control the drive according to desired programs. A keyboard and display are connected to the computer mechanism to operate the controller and display its action.

Abstract: This dimension indicator for sheet-metal folding, bending or shearing machine tools comprises a measuring apparatus capable of displaying the distance from the adjustable stop member provided for positioning the workpiece to a reference plane. The device comprises structure for correcting the consequence of a displacement of the reference plane, in the form of a mechanical device coupled to the machine adjustment member and adapted to act directly or indirectly upon one of the component elements of a coupling or a data transmission disposed between the member controlling the stop member and the measuring apparatus, so as to actuate this apparatus.

Abstract: There is disclosed a method and an apparatus for providing decorative material in the form of strips. These strips may be applied to window panes in order to give the appearance of leaded windows. A work guide and adjustable work stop are mounted on a ring which rotates around a die and cooperating reciprocating cutter. By adjustment of the stop and of the ring the strip material may be placed against the guide and stop and cut to the desired length and angle.

Abstract: Apparatus for cutting a conduit or tubular element transversely to the longitudinal axis thereof which includes a base having a housing projecting vertically therefrom. The housing includes opposed, substantially parallel side plates separated by a vertical slot at their upper ends, and by a mechanism chamber at their lower ends. A blade element is pivotally supported between the parallel side plates, and carries a plurality of ratchet teeth along the lower peripheral edge, and a cutting edge disposed at the opposite side of the blade element from the ratchet teeth. Between the teeth and cutting edge, the knife element has an elongated, arcuate slot formed therethrough. An operating handle is pivotally connected to the housing at a side thereof spaced from the pivotal axis of the blade element. A pawl lever is pivotally connected to the operating handle and has a dog thereon positioned to ride over and operatively engage the ratchet teeth as the operating handle is pivoted.

Abstract: A stop mechanism for facilitating the cutting of an elongated workpiece into a large number of equally sized pieces with a radial arm saw. An elongated rail extends perpendicularly beneath the arm to serve as a guide for the workpiece as it is fed into the saw from the infeed side to the outfeed side of the table. An elongated infeed guide which is parallel to the rail spaces the workpiece from the rail as it is fed into the saw. A stop mechanism includes a housing which is secured to the outfeed side of the table and a plunger which moves toward the rail in an extended position and away from the rail to a retracted position. As the workpiece is guided toward the outfeed side of the table, the end of the workpiece contacts the extended plunger thereby terminating further infeed. The workpiece is then cut with the saw, and the plunger is momentarily retracted to allow additional infeed of the workpiece. The end of the workpiece for the next cut then abuts the extended plunger.

Abstract: A motor operated circular miter chop saw is pivotally mounted on a generally horizontal axle pivot bolt about which it rotates in a vertical plane with the axle pivot bolt being carried by a cast support base structure. Angular orientation of the work piece is provided by an angularly adjustable fence rotatably carried by the cast base support structure with the fence having a generally downwardly open circularly arcuate groove cooperating with a pair of machined steel pins pressed into the cast base support structure. The cast base support structure is also provided with an arcuate slot to provide clearance for the circular saw blade and leaf spring means are provided carried by the cast support base bias the fence rearwardly so that the pins engage against the inward wall of the fence groove.

Abstract: An adjustable workstop is provided for use in conjunction with a radial saw means having a table upon which the work to be machined is supported, an elongated fence secured to the table and protruding upwardly therefrom thus forming a substantially verticle surface against which at least a portion of the work is positioned, and a radial saw which is movable across the table in a direction transverse to the fence. The workstop device comprises a body having a rectangular channel formed therethrough which can be positioned over the fence protruding upwardly from the table and, upon doing so, a portion of the body forms a workstop surface extending generally perpendicularly outwardly from the fence. A clamp extends into the channel for adjustably securing the workstop device to the fence.