Abstract: In order to cut through one or several sheets located wholly or partially on top of one another and guided, held by two transport conveyors, through a cutting zone in which a rotating cutting knife is arranged, of which the cutting edge is coordinated with the edge of one face of a cutting roller on the circumferential surface of which one transport conveyor is guided, with firm pressure and in order to achieve a precise cut, a pressure roller is provided, coordinated with the second transport conveyor and pressing it against the first transport conveyor, in the circumferential surface of which pressure roller an indentation has been made to accommodate the second transport conveyor and which extends axially, without contact, to the cutting plane of the cutting knife.

Abstract: A miter gage having an adjustable workpiece clamp. The miter gage is of the type having a bar shaped to slidably engage a guideway of a tool work table, a protractor mounted on the bar and a grip mounted on the protractor. The clamping device includes a lock guide having a base adapted to be attached to the grip, a longitudinally-extending, vertical opening and a pair of opposing side walls; a U-shaped lock clamp having a sidewardly-opening channel receiving the lock guide and including a vertical bore positioned in registry with the lock guide opening, a lock rod extending vertically through the bore and opening and a lock knob having a stud which is threaded through the side of the lock clamp to bear against an adjacent sidewall of the lock guide. Displacement of the threaded stud relative to the lock clamp urges the lock guide sidewardly out of the channel and causes the lock rod to be urged against the lock guide, thereby preventing its relative movement.

Abstract: An apparatus for collapsing and storing used burnable poison assemblies in a reduced volume, which includes a hanger member movable up and down for lifting a holder portion of a burnable poison assembly; a cutter for cutting solid portions of thimble plugs and poison rods of the burnable poison assembly hung on the hanger member; a restricting mechanism for holding the poison rods in restricted positions, restraining spontaneous movements in lateral directions; a gripper member movable up and down and capable of releasably gripping the poison rods; a packing mechanism capable of pushing aside previously stored poison rods in a container to put thereinto the poison rods gripped by the gripper member; and a thimble plug handling mechanism for guiding cut-off thimble plugs onto a receptable tray and placing the same in a container.

Abstract: A method of and an apparatus for cutting a high-activity solid waste, such as a used channel box and a used control rod, to reduce same in size to facilitate its disposal. The channel box is cut axially through opposing corners to produce elongated split portions of an L-shaped in cross section, and the control rod is cut axially through a central portion to produce elongated split portions of an L-shape in cross section. The portions obtained by cutting the channel box and control rod are substantially similar in shape and facilitate storing.

Abstract: An electrostatic recording head has a plurality of electrode wires arranged parallel to each other at a predetermined pitch to form recording electrodes at one ends thereof, control electrodes arranged along these recording electrodes, and a recording electrode retainer for integrally fixing these electrodes with a resin. The other ends of these electrode wires are integrally fixed by an electrode wire terminal end retainer of a resin. The electrode wires are electrically connected to a part of the conductive pattern formed on a printed circuit board interposed between both retainers, and are grouped thereby to form a plurality of recording electrode set conductors. These conductors and lead wires connected to the control electrodes are connected to connector terminals. A recording voltage is applied to the connector terminals.

Abstract: The attachment includes a body which rests on the rip rail of the saw and which is guided slidably along the rail by two depending legs and by two pivoted arms. The leading end of one of the legs engages the trailing end of the board to push the board into and past the saw blade while the lower end of one of the arms presses the board downwardly against the table to prevent the board from flying upwardly. The hold-down arm is spring-biased into pressing engagement with the board and may swing upwardly and downwardly to accommodate boards of different thicknesses.

Abstract: A slide table comprising a table top slidably mounted on a pair of guide rails and having a plurality of recesses in the top surface of the table top to receive dowel pins that serve as a fence. Clamps for holding work pieces may be screwed into tee-nuts that are fixed in the table top. Slide collars are provided on the bottom of the table top, which collars partially encircle the guide rails and allows for lengthwise sliding movement of the table top on the guide rails while severely restricting vertical and lateral movement of the table top relative to the guide rails. The guide rails are attachable to the base of a radial arm power saw, and the ends of the guide rails are supported on adjustable height legs. Work pieces are positioned against the fence pins and tightly clamped to the table top. An operator feeds work to a saw by pushing or pulling on handles that are attached to the table top.

Abstract: An apparatus adapted for use with a power jointer having a bed and rotatable cutting blade provides precise, finish cuts on the end edges of boards so as to form good joints in picture frames, window casings, door casings and the like. The apparatus includes a fixed support rail mounted atop the bed and above the cutting blade. A holder, movable with respect to the bed along the support rail, clamps the board on end so that its end edge is disposed substantially parallel to and immediately above the bed for movement over the cutting blade to plane the end edge. Several holders according to this invention are utilized to obtain the desired angle of cut on the end edge of the board. Each separate holder includes at least one clamping surface disposed at an angle relative to the bed, e.g., 90.degree., 45.degree. or 221/2.degree., against which the side edge of the board is mounted to obtain a finish cut of the desired angle at the end edge of the board.

Abstract: A handtool for holding a dental xeroradiographic cassette, the handtool comprising a first elongated member having a first handle portion at one end thereof and a first beak at the opposite end thereof; a second elongated member having a second handle at one end thereof and a second beak at the opposite end thereof; and said first elongated member and said second elongated member being pivotally coupled, said beaks being pivoted toward or away from each other by selectively squeezing together or spreading apart said two handles; said first beak including a first surface facing said second beak; and said second beak including (a) a first member having a second surface facing said first beak and (b) a protrusion extending toward said first beak, said first member and said protrusion defining an elbow-shaped cross-section along a longitudinal segment of at least a length L; wherein said first beak and said segment of at least a length of said second beak together define a slit C-shaped transverse cross-section w

Abstract: A cutting device for sheets as well as booklets with at least one revolving blade and a conveyer device. The conveyer device with which the material to be cut is transported by the cutting knife of the cutting device, and has at least one endless conveyer element which presses onto the material. This is pressed against the material by a pressure device that is spring loaded and rests against it. This pressure device consists of individual pressure pieces, arranged in a row in the running direction of the conveyer element, each of which is spring loaded independently from the others and mobile in the direction of stress. By the independent spring responsive mobility of each individual pressure piece, the contour of the conveyer element adapts automatically to the possibly irregular contour of the material to be transported. A lateral guide device avoids shifting crosswise to the running direction under the influence of crosswise forces during the cutting process.

Abstract: A machine for cutting one or more V-belts from a band of several V-belts and including a base on which are journalled parallel, powered rolls driven as by a hand crank. A frame above the base adjustably supports a carriage positionable transversely of a V-belt band. Wheels of the carriage urge the V-belt into roll engagement to enable the V-belt band to be driven past a carriage supported knife body to sever a web between two V-belts. Preparatory to belt cutting, the frame is positionable upwardly from the machine base about a horizontal axis. The carriage knife body may automatically move transversely of the V-belt band to center a knife blade between adjacent V-belts.

Abstract: A centering device for positioning articles (33) for segmenting by passage through a cutter mechanism (18). The device comprises a plurality of spring members (31) positioned edge-to-edge around the feed line (26) with each spring member having a depending end (31A) positioned to contact and deflect each off center article towards the feed line for proper centering such that passage through the cutter mechanism will render equal sized segments.

Abstract: A method and apparatus for armature stripping of wire from an electric motor armature having a shaft, a core including slots for winding wire therein and a commutator to effectively, efficiently and inexpensively salvage and recycle the armature is disclosed. The method includes the step of rotating the armature on its shaft on a carrier while simultaneously cutting the wound wire between the commutator and core a given depth with a rotating circular saw so that the combined steps of rotating the armature and cutting with a circular saw cuts all wires of the armature so that the wire may be easily removed from one end of the armature. The apparatus features a frame, a rotating circular saw and a guided carrier for loading and unloading a plurality of armatures on the carrier in a side-by-side relationship and rotatable thereon. The carrier is manually guided across the rotating circular saw so that the circular saw cuts the wound wire between the core and commutator a given depth.

Abstract: A straddle block is used with a table saw having a rip fence, and consists of a body having a substantially vertically extending fixed leg, a bridge extending from the fixed leg, an adjustable leg attached to and vertically displaceable relative to the bridge. The vertically adjustable leg may be reversed for right or left-handed use, and has opposing, substantially horizontal, rectilinear edges for engaging an upper surface of a piece of stock to be cut on the table saw, and opposing outwardly extending step portions adjacent an end of each rectilinear edge for engaging the trailing end of the stock as it is pushed across the saw table. The bridge spaces the fixed leg from the adjustable leg sufficiently to receive a rip fence therebetween such that the straddle block may slidably engage the rip fence without skewing relative thereto.

Abstract: An adjustable miter guide device for a table saw having parallel tracks to each side of a saw blade wherein two guide assemblies are provided each with a rail which can be fixed in any one of an infinite number of positions relative to a runner slidable along one of the tracks. The guide assemblies are interconnected by an adjustable common link bridging the saw blade so that one workpiece can be disposed laterally against one guide rail and the other workpiece disposed laterally against the other guide rail with an end portion overlapping the firstmentioned workpiece and abutting the firstmentioned guide rail for movement together into cutting engagement with the saw blade.

Abstract: An attachment for a miter gauge of the type having an arm slidably movable in the slot of a work table so that a wooden workpiece is moved into engagement with a table saw blade depending upon the angle of the arm with respect to the miter gauge body. The attachment is mounted on the miter gauge in such a manner that two workpieces one with a taper cut and the other with a miter cut can be successively cut and then joined along their bias edges to form a ninety degree joint, without readjusting the miter gauge.

Abstract: A shake resaw machine for converting a generally rectilinear wooden blank into a pair of oppositely tapered shingles, each having a tip and a butt end, is comprised of a support table hingedly disposed for cooperative engagement with a saw for lateral movement with respect to a longitudinal feed axis along which the wooden blank progresses during a resaw sequence through the saw, including a first tip-cutting stage, an intermediate diagonal-cutting stage, and a second tip-cutting stage, a table control member for moving the support table at a predetermined rate in a lateral path relative to the feed axis during the resaw sequence, first and second blank guide members having variable lateral stiffness, one of each disposed on either side of the feed axis forwardly proximate a saw blade location thereon, for cooperatively routing the blank along a variable, predetermined resaw path, and first and second guide control members for regulating, respectively, the lateral stiffness of the first and second guide membe

Abstract: In preparation for reclaiming and recycling the material of construction of a plastic bottle, the friction-fitting base, if any, and bottle cap can be separated from the bottle body by cutting through the cap and base. The cap and base are cut in a plane in which the bottle's longitudinal axis lies. Alternatively, two cuts are made in parallel planes that are also parallel to the bottle's longitudinal axis.

Abstract: A saw workpiece pushing device is operably attachable to a table saw and is utilized to facilitate the cutting of styrofoam or other similar material. The device includes an elongated pushing member which is attachable to the saw's miter gauge and which includes an U-shaped frame defining an opening through which the saw blade may pass without interference with the pushing member. Additionally, a side guide member is attachable to the saw's fence so as to permit an outward expansion of the styrofoam once the same has been cut. The side guide member is fixedly securable to the fence through the use of a C-clamp positionable between the fence and a slot cut in the guide member, while the pushing member may be fixedly secured by conventional means to the miter gauge. A safety extension is provided on one side of the U-shaped frame which operates to push the cut styrofoam off the table without the necessity of an operator using his hand near the saw blade to remove the styrofoam.

Abstract: This trimming apparatus is conveniently mounted on a vehicle. It has a conveyor that includes belts that push the potted plants along a wall so as to rotate the plants while at the same time the plants are passed by the cutters. Thus the entire periphery of the plant is trimmed.

Abstract: The sawing of an elongated workpiece, such as a log or cant, is effected by feeding the workpiece longitudinally through a saw; sensing the longitudinal configuration of a longitudinal side surface of the workpiece on one side only of the workpiece as the latter passes through the saw; and orientating the workpiece relative to the saw in accordance with the sensed configuration to saw the workpiece longitudinally substantially parallel to the sensed configuration. For the sawing of a crooked workpiece, the configuration of a longitudinally extending concave side surface is sensed and the workpiece is sawn "round the curve" substantially parallel to the sensed concave configuration.

Abstract: A manual tool for cutting a polymeric endless power transmission belt body is provided wherein the belt body has a plurality of endless V-belt elements fastened in spaced side-by-side relation by a common endless structure to define alternating projections and grooves in the belt body and wherein the tool comprises, a cutting knife for cutting the endless structure to define a plurality of endless belts each having at least one belt element, a support which is adapted to be disposed in a stationary position and has the cutting knife fastened thereon at a fixed location, and apparatus for supporting and guiding the belt body during cutting with the supporting and guiding apparatus being supported on the support and with the knife cooperating with the supporting and guiding apparatus to provide precise cutting through the structure at the base of a particular groove upon moving the belt body relative to the knife with the knife in cutting engagement with the structure.

Abstract: An arrangement in sawing machines or like processing machines for the forward feeding and infeeding of work pieces, such as logs in particular, to the machine, comprising a stationary saw table which extends parallel to the desired feed line for the workpiece, at least up to the sawing machine, and at least two, individually drivable, endless feed chains which extend in vertical planes parallel with the feed line beneath the saw table. Each of the feed chains is provided with at least one dogging means which moves in a groove in the saw table. The groove is parallel with the feed line and common to all dogging means. The dogging means projects up out of the groove, above the surface of the saw table, in a manner to enable the dogging means to act on the rear end surface of a work piece resting on the saw table, for feeding said workpiece up to and into the sawing machine.

Abstract: A film slitter is described including means for supporting a blade in an unexposed condition. The slitter comprises a support which is selectively slidably mounted on a supporting member. The support is provided with an elongated slot extending downwardly thereinto which is adapted to receive a blade in a vertically disposed position. A second slot extends downwardly into the upper end of the support and extends between the first slot and one side of the support member. A second slot extends downwardly into the upper end of the support at the other side of the first slot and extends between the first slot and the other side of the support. The lower ends of the second and third slots extend in diverging directions with respect to each other.

Abstract: Electrophotographic apparatus of the kind utilizing a flexible photoconductor film or web including a support and photoconductive layer sandwiching a conducting layer comprises a grounding member having an incising edge. The grounding member is electrically coupled to a reference potential and urged into a predetermined cutting position to incise the photoconductive layer and to effect contact of the conductive layer as film is moved therepast along the operative path of the apparatus.

Abstract: A separator for separating plant stalks into components includes a feeder in the form of opposite endless conveyors which propel stalks against a splitter. The splitter comprises two oppositely traveling, notched bands which are in contact to define a cutting edge. Stalk sections have at least their pith removed by a milling roll disposed opposite a slower traveling hold-back belt, the latter controlling the speed of the stalk sections. The milling roll includes removable blades which are held in place by wedges and pairs of blades are adjusted by tiltable members at each blade end. The tiltable members move the blades into contact with reference surfaces on the milling roll to define a proper blade location. Stalks are fed to the separator by being dropped onto a chute which guides the stalks into separate feed passages, the latter being maintained throughout stalk travel through the separator.

Abstract: A typical bench saw, using a removable, adjustable position guide rail is shown in a typical environment for this invention. To prevent reverse travel of the workpiece after a cut has reached a point where it is not under full operator control, a blocking device is housed in an opening of the fence guide and is spring-loaded to project a flat abutment surface thereof from the normal guide surface of the fence. A workpiece moved along the fence will cam down the blocking device because the rear portion of the blocking device is a cam surface hinged on the upstream side of the workpiece path. A second blocking device is housed in an opening in the surface of the table traversing the normal work path of a workpiece, and is hinged and spring-loaded exactly as the blocking device of the fence guide. Either one of the two blocking devices may be used separately, but the uses compliment one another.

Abstract: Apparatus for cutting to length the connecting wires of electrical components (such as resistors, capacitors, transistors or diodes) comprises a cutting device situated below a component guide which consists of a slideway defining a guide slot through which the connecting wires project downwardly. The cutting device comprises two shearing wheels which are arranged with horizontal faces thereof parallel and abutting one another in a region in which they overlap, the forward point of intersection of peripheral cutting edges of the wheel (the point at which cutting of the connecting wires commences) being situated below the guide slot. At least one of the wheels is driven and this has serrations at its periphery which are large in relation to the diameter of the connecting wires to be cut. The non-driven wheel is preferably of truncated conical shape widening towards the other wheel.

Abstract: A method and a mechanism for feeding waned boards to an edger comprising a cross conveyor for the boards, a measuring apparatus, a computer, and centering and side-adjustment means to enable centering and side-adjustment of the boards in dependence of the determined values to optimize the yield in the edger. Adjacent the outlet end of the cross conveyor there are provided slide planes (i.e. movable planar support surfaces on which the boards can slide or be slid) which form a part of a longitudinal infeed conveyor and which are adapted to receive the boards from the cross conveyor and to support the boards during the centering and side-adjustment. The slide planes can be lowered or removed, after the centering and side-adjustment has been carried out, in a manner to place the board on a longitudinal conveyor means of the infeed conveyor to be fed into the edger. Preferably the longitudinal conveyor means are stationary during adjustment and are then accelerated in a controlled manner.

Abstract: First and second elongated support members for supporting a circuit board and for transporting the circuit board in one direction parallel to the lengthwise direction of the support members are provided on a frame, and a blade member is rotatably supported on the frame for rotation about its own axis in a plane parallel to the plane of the circuit board. While the circuit board is being transported with opposed edges of the circuit board guided along the support member, the blade member trims excessive length from wires extending from the circuit board.

Abstract: A band cutting apparatus for cutting a fabric web to produce a web-like article by the agency of a cutting means to which said fabric web is guided. There is provided a guide means including at least one fabric guide means provided with a flattening means for flattening an inwardly directed curl at the edge of said fabric. Said fabric guide means is arranged relative to the direction of advancement of said fabric web ahead of said cutting means.

Abstract: Trimmer apparatus for trimming the edge of an endless belt of felt, fabric, or other similar material. The apparatus provides quick-release pins for easy removal of the cutting apparatus from the mounting brackets. The mounting brackets are adjustable in both the vertical and horizontal direction to provide the desired knife orientation. A mounting bracket angle retainer maintains the mounting brackets in a perpendicular relationship to one another while still permitting both folding and adjustment of the mounting brackets.

Abstract: A strip cutting device for wood or the like having a plurality of parallel slots of different depths with a cutter disposed above the slots and means for holding the cutter across a plurality of the slots and at an angle to said slots and intermediate the ends of the slots so that work slid along a selected slot will be severed by the cutter and the work will be guided both in its approach to the cutter and after it has passed the cutter for discharge. There will be holding means for the cutter on either side of each of the slots and also on either side of the cutter to maintain the cutter fixedly in place.

Abstract: Method and machine and a log product for log house construction includes improvements in apparatus to shape, and finish the logs, divide into halves or quarter sections for tongue-and-groove assembly construction of floors, walls, or ceilings appurtenant to the log house. Equally-spaced holes between the tongues and grooves provide additional functional uses for utility lines or vertical supports as needed. The logs are finished by spraying them with selected fluids such as preservatives.

Abstract: This invention provides a novel and improved miter gauge for use with a cutting tool, such as a circular saw blade and the like, by employment of a guide rail that cooperates with a guide slot in the work surface on which the gauge is supported, such as a table saw and the like. Basically, the novel miter gauge of the present invention includes base means having both a left and a right-hand locating surface that are arranged at a right angle to each other and also has joined to it the guide rail. The gauge further includes adjustable clamping means mountable from the base means for selectively clamping a workpiece against either one of those two locating surfaces.

Abstract: A wooden workpiece is positioned on a saw table and introduced to a safety-back saw blade rotating in generally the same direction as the direction of introduction of the workpiece at the point of contact. The blade generates components of vertical and horizontal thrust of sufficient magnitude to self-feed either the workpiece or the saw, one relative to the other, at a rate compatible with the capability of the saw to cut the workpiece without generating sufficient thrust to propel the workpiece uncontrolled from the cutting and feeding operation.

Abstract: A workpiece supporting apparatus provides precise linear movement of an irregularly edged workpiece past the high speed cutting member of a power tool to produce a trimmed straight edge on the workpiece. A spacer, havng an enlongated keying member mating with a precision miter groove of the power tool, includes a precision miter groove oriented parallel to the miter groove of the tool and closer to the high speed cutting member. Securing means maintains the spacer rigidly but removably fixed to the power tool. The supporting apparatus includes an elongated keying member cooperating with the precision miter groove or guide member of the spacer to guide the workpiece past the cutting member. The elongated keying member has first and second workpiece engaging assemblies which may be adjustably positioned along the axis of the elongated keying member to accommodate various length workpieces.

Abstract: A jig, having two fixed jig faces forming a right angle, is rotatably mounted on a guide rail which can slide in each of the linear grooves formed parallel to and on opposite sides of a conventional wood-cutting saw table. Complementary cuts for the construction of mitered corners are obtained by directing the apex of the jig parallel to the cutting blade. The first cut is made by supporting the wood on the appropriate jig face as it is guided through the blade. Without changing its setting relative to the guide rail, the jig is transferred to the groove on the opposite side of the blade and a second cut is made.

Abstract: A work preparation and ruling machine is provided for the production of semi-cylindrical rotary dies. The machine comprises a longitudinal cylinder mounted for rotation in frame and being provided with a series of equally spaced longitudinal rows of holes which are radially formed therein. An end wheel, of the same diameter as a finished die, is coaxially secured to one end of the cylinder and includes a first positioning means whereby the cylinder can be rotated by a distance equal to the distance between each two longitudinal rows of holes. A guide bar mounted above and parallel to the longitudinal axis of the cylinder is provided with a pair of carriages, one carrying drilling and cutting means for drilling holes in the die and for squaring it up and the second carriage includes a pen holding fixture to keep the pen aligned with the axis of the cylinder and includes means for measuring the horizontal dimensions of the layout.

Abstract: Apparatus for sawing of curved-form timber feeds the log past a band saw such that the cut follows the curved form of the log. Spaced guides function to guide the log in a curved-form path through the saw. The guides are displaceable in a direction transversely to the feeding direction of the log depending on the curved form of the log. The guides may comprise guide rollers provided on each side of the log to be forced to the sides of the log.

Abstract: A table for a saw has three equal table segments supported on foldable legs. The three segments are spaced from one another by spacer elements and held in position by front and back longitudinal rails and nut and bolt combinations through the spacer elements. The spacer elements hold the table segments spaced from one another thereby defining first and second lateral slots within which the rail of a mitre gauge can ride. Four spacer elements are integral parts of a spacer bar. Each spacer bar has laterally spaced spacer elements and vertically spaced spacer elements thereby providing numerous accurately dimensioned spacing locations between adjacent table segments. The spacer elements and longitudinal rails in combination establish table element positioning and rigidity with respect to one another as well as established two longitudinal slots having a uniform predetermined width.

Abstract: The sawing of an elongated workpiece, such as a log or cant, by feeding the workpiece longitudinally through a saw; sensing the longitudinal configuration of a longitudinal side surface of the workpiece on one side only of the workpiece as the latter passes through the saw; and orientating the workpiece relative to the saw in accordance with the sensed configuration to saw the workpiece longitudinally substantially parallel to the sensed configuration. For the sawing of a crooked workpiece, the configuration of a longitudinally extending concave side surface is sensed and the workpiece is sawn "round the curve" substantially parallel to the sensed concave configuration the workpiece is orientated by resiliently exerting lateral pressure thereon on the side thereof on which the longitudinal configuration is sensed. The invention covers the method of sawing workpieces, as well as apparatus for sawing and for controlling the sawing process.

Abstract: This mitering device comprises: a unit composed of a slotted panel slidably mountable on a saw table for longitudinally-guided stock-mitering and return movements and a pair of panel-mounted left and right abutments cooperatively presenting front edges which converge forwardly at 45.degree. toward the panel slot and at 90.degree. toward each other and which terminate adjacent the panel slot; and length-measuring stop means including means calibrating the front edge of the right abutment from a zero reference point, where a projection of the front edge intersects the saw plane, and a mitered stop member mounted for adjustment along the right abutment to a selected calibrated position wherein its miter mates with the mitered right end of the stock to set the length of the perimetric surface of the rabbet to a precisely measured value approximating a given mat length plus a desired tolerance.

Abstract: Printed circuit boards are moved in a conveyor with the underside of flat boards spaced a prescribed distance above the top surface of a rotating cutting disk. In order to protect the circuit patterns on the underside of the board and the board itself, a V-shaped wheel is loosely rotatably supported on a shaft with the wheel being in front of and orthogonal to the cutting disk. The height of the wheel is adjusted such that the uppermost point on the circumference thereof is in the line of travel of the boards. Movement of a board that is bowed downward in the direction of the disk causes the wheel to roll on the underside of the board and to raise the board above the top of the cutting disk. In this manner, the underside of warped circuit boards is maintained at least a prescribed distance above the top surface of the cutting disk as the board moves over the leading - cutting edge of the latter and component leads are trimmed thereby.

Abstract: A film trimming device places opposing wheel rollers on spaced-apart axes of rotation on respective separate shafts therefor, with radially outward circumscribing faces thereof in contact and moving in a common direction at the point of contact, with a blade's cutting edge directed in a direction substantially opposite to that common direction and pressed against correspondlateral side faces of the contacting rollers at the point of contact of the rollers, with tape guiding and channeling structures shaped and positioned to regulate adjustably the amount of tape margin extending beyond the lateral side faces of the rollers when guided onto the radially outward circumscribing face of one of the rollers before reaching the cutting edge and for channeling the trimmed tape to a take-off point, the blade being normally biased into the cutting position and being retractable therefrom for permitting first drawing a portion of fed tape to and beyond the cutting point before gradually returning the cutting edge to pre

Abstract: An adjustable device for feeding work pieces of different thicknesses past a rip saw for cutting purposes in which a guide rail is attached to the adjustable fence on the rip saw table. A work engaging and moving member is slidable along the guide rail for moving the work into cutting engagement with the rip saw. The work engaging and moving member can be adjusted to move work pieces of various thicknesses past the rip saw for cutting. The fence and guide rail may be adjusted with respect to the rip saw to cut pieces of a desired width. A work-holding and feeding member is adjustably carried by the device and cooperates with the work engaging and moving member.

Abstract: The invention comprises a roller having circumferentially extending slits through which extend blades having an outerwardly facing cutting surface. The blades are detachably mounted from a retractable bar whereby the cutting surface extends beyond the roller or is retracted below the outer surface of the roller. A pivoted protective cover assembly fits adjacent to the slitted rollers and retracts the blades when the cover is lifted away from the slitted roller. Means are provided to position the slitted roller laterally with respect to the film to be slitted.

Abstract: Apparatus for positioning the center points of circular arcs for accurately and precisely cutting such arcs in work pieces with band saws and the like. The device includes a base secured to the work support table of the saw and extending away from the saw blade. An arm is mounted at the end of the base, remote from the blade, and is spaced above the base. Also included are means with the arm for movably mounting a trammel point which engages and holds the center of the arc to be cut either on the work piece itself or on a holder therefor to determine the radius of the arc, as well as manual and power means for rotating the work piece about the trammel point.

Abstract: A precision book cutting wheel with insertable cutting bits has sockets slidingly receiving the bits and a clamping block for holding the bit in adjusted position. The sockets are inclined at an angle of 20.degree. to 40.degree. to a cutting plane normal to the axis of the wheel, and each bit has an outer cutting edge formed by a bevel parallel to and adjustable to the cutting plane.

Abstract: Apparatus to cut or shear loop pile fabric by moving the loop pile fabric to be cut or sheared over a rotating cutting member which cuts the loops in the fabric but prevents the fabric backing material from being cut by the use of guard members for the cutting blades.