Abstract: A knife assembly 10 for transversely severing at least one elongated web of material including: a sharpened blade member 12, a blade holder 14, a blade holder support assembly 16, an adjustable biasing member 18, a carriage assembly 20, and a backing member 44. The blade member 12 and the blade holder 14 are removably retained in the support assembly 16 by a quick release pin 26. The support assembly 16 is attached to the biasing member 18 by way of a swivel connection 32, The biasing member maintains abutment of the sharpened edge of the blade 12 with the backing member 44 during the cutting operation. A self-orienting assembly maintains the blade 12 in a preferred orientation with respect to the carriage assembly 20 during any period that the blade 12 is not abutting the backing member 44. The cutting assembly 10 is also capable of cutting moving material and simultaneously winding the leading end of the severed material on a cylindrical core that also acts as the backing member 44.

Abstract: A paper cutter or trimming device comprises a cutting board including measuring indicia, a rail assembly, and a carriage assembly including a circular blade. The indicia are calibrated in a scale measured from a predetermined cut line. The rail assembly is mounted in a perpendicular relation to the measuring indicia for pivotal movement between operative and inoperative positions with respect to the cutting board. The carriage assembly is mounted for sliding movement on the rail assembly. The cutting board may include a positive stop, and the rail assembly may be biased against the at least one stop when the rail assembly moves to the operative position.

Abstract: A machine for punching sheet metal includes a counterpunch holder unit including a supporting disk mounted for rotation about a main axis and supporting a number of counterpunch holder assemblies, each including a respective counterpunch. Each counterpunch holder assembly includes a main body secured to the supporting disk. Each main body includes a seat, which extends coaxially with the main body axis which is parallel to the main axis. Each counterpunch holder assembly further includes an extracting body housed in an axially-movable manner inside the seat to support the bottom of the respective counterpunch. A positive actuating assembly moves the extracting body axially to extract the counterpunch from the respective seat.

Abstract: A new type of multi-chopper for cutting strands or ribbon shaped material such as strands of glass fibers, and a method of using this chopper, is disclosed. The chopper has at least two chopper assemblies on a rotating frame. When one chopper assembly needs repair, the frame is rotated which brings a rebuilt or repaired chopper assembly into operating position quickly and also brings the assembly needing repair into a position where it can be worked on while the other chopper is operating resulting in much reduced downtime. The frame of the chopper can rotate around a vertical or horizontal line, or around a line passing through two opposite corners of a frame.

Abstract: A module for a web-processing machine includes a sub-frame to which are mounted an operating roll (such as a die roll), and means urging the operating roll in one direction. The sub-frame can assume a position in which the operating roll is juxtaposed against and parallel with a driven anvil roll, and a further position in which the sub-frame is released, allowing the operating roll to move away from the anvil roll, so that the operating roll can be quickly and easily removed for replacement or maintenance. Preferably, the sub-frame is hingedly connected to the machine for rotation between the above positions.

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: An improved sheet material cutting apparatus having a construction in which a rotary blade and a fixed blade are mounted on the housing of a supporting member. The rotary blade inclining forward only during cutting of the sheet material, and the rotary blade being lifted up from the fixed blade during travel when not cutting the sheet material. The sheet material cutting apparatus is provided with a rotation mechanism for rotating the rotary blade. The rotation mechanism, preferably is a roller arranged in a roller housing hole formed in the housing of the supporting member.

Abstract: A cutter for cutting flexible material held on a roll thereof. The cutter has a frame that mounts a drop in roll of flexible material and a drop in tensioning roller in an open end of the frame. The cutter has a cutting area that is generally enclosed and houses a plurality of slitting knives and a tear off cutting blade. The cutting area has an entrance and exit slot for the material with the slitting knives slitting the material as it passes through the cutting area. The slit material can exit through the exit slot. After a predetermined length has been pulled forwardly relative to the cutting blade the slit material can be cut into pieces by tearing it against the cutting blade. A length determining gage allows pieces of a precise length to be cut. The material is pulled through the cutter by a set of feed rollers contained within the cutting area.

Abstract: A semi-automatic tool cuts pizzas into pieces of the same size. A platform has a supporting column provided with a cantilever arm terminating with a sleeve and a slidable rod is within the sleeve. The rod has a base with a series of radial blades on its lower face and a control lever on its upper face by means of which said rod is pressed downwards against the force of a return spring mounted on the rod.

Abstract: When power failures or breakdowns occur, an apparatus that is able to hold the upper blade in the raised position without using the drive source and increase the safety and facilitate maintenance and inspection.The work cutting apparatus that cuts by a pair of upper and lower blades is provided with a freely rotating ram mounted with an upper blade, a ram drive device that rotates the ram and an exertion devices that applies a force in the upwards rotation direction to the ram. The rotation center shaft of the ram is positioned at a angle within the horizontal plane with respect to the sides of the pair of upper and lower blades. The exertion devices is positioned such that the horizontal component of that applied force is at right angles to the rotation center shaft. Furthermore, the exertion devices comprises a plurality of coil springs and positions these plural coil springs parallel such that the ends are each aligned with each other along one side of the upper and lower blades.

Abstract: A miter saw includes a support mechanism for supporting a miter saw unit relative to a base in such a manner that the miter saw unit is both vertically and laterally pivotable. A position determining mechanism serves to selectively determine the position of the saw unit at any of positions including a vertical position where a saw blade is positioned substantially vertically relative to the base, and leftward and rightward pivoted positions where the saw blade is inclined laterally leftwardly and laterally rightwardly from the vertical position by a predetermined angle, respectively. The position determining mechanism includes movable side stopper members and fixed side stopper members on which the movable side stopper members abut, respectively. The movable side stopper members are mounted on a movable member which pivots laterally with the miter saw unit. The fixed side stopper members are mounted on a fixed member which is non-laterally pivotally movably mounted on the base.

Abstract: An apparatus and method for cutting piled fabric sections such as carpet tiles is provided. The apparatus comprises a frame, a bending assembly for bending pile elements away from the normal substantially vertical orientation with respect to the base of the fabric along a line to be cut, at least one cutting blade for cutting the fabric through a portion of the bent piling elements and fabric base and power assemblies for powering the bending and cutting operations. The related method comprises the steps of bending the pile elements downward toward the fabric base along a line to be cut and thereafter cutting through the bent piling elements and fabric base to form a two-sided cut. Such method shears piling elements adjacent to one side of the cut while leaving the pile elements adjacent to the other side of the cut substantially unaltered.

Abstract: A printer comprising a cutting device for cutting the recording paper with a clean, straight edge is achieved. The printer comprises a pair of separable cutting blades, a fixed blade 14 and a movable blade 9, disposed with the cutting edges thereof mutually opposed in a substantially facing relationship on opposite sides of the paper exit 15 from which the recording paper is ejected. The movable blade 9 contacts fixed blade 14 at a point, and is driven with a scissors-like sliding action across fixed blade 14 by means of movable blade drive 10. Fixed blade 14 is supported on an openable cover frame 8 by support member 16 with a certain amount of play. Movable blade 9 is housed inside cutter unit frame 11. The cover frame supporting the fixed blade can be displaced between a cutting position wherein the fixed blade and the movable blade are disposed in an adjacent, substantially facing relationship and a non-cutting position wherein the fixed blade and movable blade are disposed at a distance from one another.

Abstract: A combination tool exchanger and storage device adapted to be fitted to a die cutter for exchanging and storing a plurality of profiled cutter dies each having a cutter blade of a different configuration. The die cutter is for cutting a sheet-like material by urging the sheet-like material against a selected one of the profiled cutter dies retained within a cutter die mounting chamber. The combination tool exchanger and storage device includes retaining arms for holding one of the profiled cutter dies so as to confront a first entrance leading to the cutter die mounting chamber and for sliding the profiled cutter die horizontally towards the cutter die mounting chamber, a cutter die storage chamber disposed above or below the die cutter, and an elevator unit for selectively driving the retaining arms between a first position aligned with the first entrance leading to the cutter mounting chamber and a second position aligned with a second entrance leading to the cutter die storage chamber.

Abstract: A paper trimmer includes a base and a plate pivotally attached to the base. A carrier is slidably attached to the plate in an elongated slot. A blade assembly includes a blade secured to a blade holder. The blade assembly is received in a cavity formed in the carrier such that a cutting edge of the blade extends below the plate and is received within a channel formed in a cutting region of the base when the plate is disposed over the cutting region. A paper is cut by translation of the carrier along the slot of the plate.

Abstract: An apparatus for trimming multiple-sheet, folded printed products utilizing two processing drums adjacently arranged. The drums are each rotated about a horizontal axis by a drive mechanism. Each processing drum comprises radial compartments for receiving the printed products to be trimmed. Arranged on each end side of the first processing drum are two stationary cutting elements, one of which is in the operative position. The cutting element interacts with cutting elements which are fastened on the end side of the compartments on the compartment walls. In the first processing drum, the printed products are trimmed on their side borders running at right angles to the folding edge. Arranged on the circumferential edge of the second processing drum are stationary cutting elements with a cutting element in an operative position to interact with cutting elements which are assigned to the individual compartments and are arranged circumferentially in the compartments.

Abstract: A miter saw includes a support mechanism for supporting a miter saw unit relative to a base in such a manner that the miter saw unit is both vertically and laterally pivotable. A position determining mechanism serves to selectively determine the position of the saw unit at any of positions including a vertical position where a saw blade is positioned substantially vertically relative to the base, and leftward and rightward pivoted positions where the saw blade is inclined laterally leftwardly and laterally rightwardly from the vertical position by a predetermined angle, respectively. The position determining mechanism includes movable side stopper members and fixed side stopper members on which the movable side stopper members abut, respectively. The movable side stopper members are mounted on a movable member which pivots laterally with the miter saw unit. The fixed side stopper members are mounted on a fixed member which is non-laterally pivotally movably mounted on the base.

Abstract: A compound miter saw with an adjustable/bypassable bevel stop is disclosed. The compound miter saw includes a turntable rotatably mounted on a supporting frame. A power driven saw blade is pivotally mounted to the turntable and moves along a predetermined path from an upper raised to a lower operational position that includes a saw blade slot in the turntable. A bevel adjusting features selectively rotates the power driven saw blade relative to the turntable. The adjustable/bypassable bevel stop includes predetermined bevel stop settings at set angles, for example, such as 0.degree. and 45.degree., as well as an over-riding feature when angles either less than or greater than the predetermined bevel stop settings are desired. The over-riding feature does not require re-adjustment of the predetermined bevel stop settings.

Abstract: In a method for making splice indicating holes through photographic paper, a long strip of photographic paper web is conveyed in its longitudinal direction and is slit into a plurality of narrow webs, a tail end of the photographic paper web is spliced to a leading end of a new photographic paper web, and a plurality of splice indicating holes are made through the new photographic paper web at positions, which are spaced a predetermined distance from the splice of the new photographic paper web, the predetermined distance being taken in the longitudinal direction of the new photographic paper web, and which coincide with center parts of narrow webs into which the new photographic paper web will later be slit.

Abstract: A miter saw includes a support mechanism for supporting a miter saw unit relative to a base in such a manner that the miter saw unit is both vertically and laterally pivotable. A position determining mechanism serves to selectively determine the position of the saw unit at any of positions including a vertical position where a saw blade is positioned substantially vertically relative to the base, and leftward and rightward pivoted positions where the saw blade is inclined laterally leftwardly and laterally rightwardly from the vertical position by a predetermined angle, respectively. The position determining mechanism includes movable side stopper members and fixed side stopper members on which the movable side stopper members abut, respectively. The movable side stopper members are mounted on a movable member which pivots laterally with the miter saw unit. The fixed side stopper members are mounted on a fixed member which is non-laterally pivotally movably mounted on the base.

Abstract: A system for notching a pack of edged panels, and including: a work surface for supporting the pack; a squaring bar for aligning the panels in the pack; a notching blade for notching the edges of the panels in the pack; a body for supporting the notching blade; and means for controlling the body. The system is mainly characterized in that, during notching, the body is moved along a horizontal path; and the notching blade presents a diameter greater than the thickness of the pack.

Abstract: A paper slitting device having first and second pivotally mounted platens with an integral biasing spring between them. The spring is formed by a resilient member extending from the first platen toward the second platen. The resilient member has a free end that is received in slots provided in the second platen and forms a bearing for the first platen and bending about an axis when a force is applied to one of the platens sufficient to move the one platen towards the other platen. The resilient member then returning the one platen to an at rest position when the force is removed.

Abstract: In a turret punch press 1 provided with an upper rotatable turret 5 having a plurality of punches P and a lower rotatable turret 7 having a plurality of dies D, a diameter of the lower turret 7 is determined to be larger than that of the upper turret 5; rotational centers of the upper and lower turrets 5 and 7 are determined to be eccentric from each other; and on a line obtained by connecting the two rotational centers of both the upper and lower turrets when seen on a plane, a position at which the upper and lower turrets 5 and 7 are overlapped upon each other is determined to be a punching position 21 and positions remotely opposite to the punching position 21 and at which the upper and lower turrets 5 and 7 are separated from each other are determined to be indexing positions 61 at which the angular positions of the punch P and the die D can be both indexed.

Abstract: A reversible mat cutter for cutting openings in oversized picture frame mats is disclosed. In one aspect of the invention, the guide rod and mat bar are easily detachable from the clamping frame of the mat cutter. Once detached, the cutter head assembly is then easily removed, reversed and remounted on the guide rod such that the cutter head then cuts on the opposite side of the guide rod. Both the mat guide and squaring arm are both quickly and easily detached from one side of the guide bar and remountable on the other side so that then an oversized picture mat may then be lain flat on the mat cutter and cut with the reversed cutter head.

Abstract: A paper cutter assembly having an extruded rail assembly including a base and a rail formed at right angles to each other. A carriage assembly is mounted on the rail for translational movement across the rail. End blocks are provided in each end of the rail assembly for pivotally connecting the rail assembly to guide blocks for pivotal movement between operative and inoperative positions with respect to the paper.

Abstract: A radial arm saw glass cutting attachment including an arm having an orthogonal and a radially oriented glass cutter. The arm attaches to the radial arm saw blade attachment shaft and the shaft is oriented orthogonally to a glass plate being prepared for cutting for the purpose of producing circular or annular cut patterns, or the shaft is oriented parallel to the plane of the glass plate for the purpose of producing linear and angularly disposed linear cuts. A graduated scale which enables setting radius or diameter of a cut circle, and a thumbscrew lock for the freely sliding orthogonal cutter are included.

Abstract: The present invention relates to a compact, multi-station system for sizing window coverings such as roller shades, mini blinds, pleated shades and vertical blinds. The system includes devices for cutting components of each of the types of shades and coverings to correct window dimensions and an arrangement for presenting to a system operator, the cutting equipment for a particular application. In its most preferred form, the system includes four (4) stations with a flip-top horizontal surface containing sizing equipment on opposed sides. The most preferred system also includes fixed cutters, e.g. for roller shades and for cutting the head rail of vertical blinds. In the most preferred embodiment, the system also includes storage space for product to be sized.

Abstract: A paper tail ripper having a pair of rotatably mounted knives, air motors which counter-rotate the knives and a deflector which deflects the paper tail toward the knives. The knives traverse closely spaced overlapping circles as they counter-rotate. The deflector sweeps the paper tail onto a transfer mechanism, which transfers the paper tail away from the ripper, so that the tail may be threaded through a calender stack, etc. The ripper is pivotally mounted on the transfer mechanism for movement between storage and operating positions.

Abstract: A miter saw includes a base on which a work is placed. A miter saw unit supports a saw blade and has a motor for rotatably driving the saw blade. A support mechanism is provided supporting the miter saw unit relative to the base in such a manner that the miter saw unit is laterally leftwardly and rightwardly pivotable from a vertical position. A biasing member is interposed between the miter saw unit and the base for biasing the miter saw unit in a direction opposite to at least one of the directions of the lateral pivotal movement of the miter saw unit when the miter saw unit is laterally pivoted.

Abstract: An apparatus for cutting lengths of material is provided having a pair of scroll type cams adapted to operate a pair of laterally opposed cutting blades. The apparatus comprises a frame having a front end, a rear end, and generally parallel side members laterally opposed to each other and spaced apart by a plurality of rollers extending generally perpendicular between the parallel side members of the frame. The pair of laterally opposed cutting blades are pivotally connected to the front end of the frame. The blades are constructed from a metallic material, the surfaces of which may be heated electrically to facilitate cutting. The scroll type cams are rotatably mounted to each side of the frame near the ends of the cutting blades and are adapted to engage cam followers connected to the blades. Pneumatically operated cylinders simultaneously rotate each of the scroll cams in the same direction with respect to the frame to convert rotational motion of the cams to linear motion of the cam followers.

Abstract: A media cutter mechanism for a plotter in which the media is supported by a rotating support having one or more continuous recesses therein positioned to be at least partially covered by the media, the media being stationary with respect to the rotating support. One or more cutters are positioned external of the support and are movable a preselected distance into the recesses. Movers are provided for moving the cutters into the recesses to cut the media covering the recesses. In a particular embodiment, a plurality of individual cutters are employed and a plurality of commonly driven individual cams interact with the cutters for individually moving the individual cutters into the recesses. A controller is provided for controlling the individual cams to cut the media into preselected widths. In addition, a driver is provided for commonly driving the individual cutters.

Abstract: Apparatus for cutting profile strips of rubber mixture produced by extrusion and/or calendering and transported to the cutting apparatus by a conveyor which is intermittently stopped for making a cut has a motor driven rotating knife which is moved transversely of the profile strip by a roll-ring drive and is raised to a height above the profile strip for return movement of the knife. In one embodiment, the knife, its driving motor and the mechanism for moving the knife transversely of the profile strip are mounted on a seesaw which is pivoted on horizontal axis and is moved pivotally by a pneumatic servo-motor to raise and lower the knife. In other embodiments the knife and transverse movement mechanism are mounted on a movable carriage, which is raised and lowered by a pneumatic servo motor while the motor for driving the knife in rotation is mounted on the frame of the apparatus and connected to the shaft of the knife by a flexible or telescopic connecting shaft.

Abstract: A cutting board assembly for cutting and/or trimming paper sheets, the assembly including a cutting board, a rail assembly pivotally mounted on said cutting board for movement between operative and inoperative positions, a carriage assembly mounted on the rail assembly for movement across the cutting board, a circular cutting blade mounted in the carriage assembly which is biased to an inoperative position on the rail assembly, a self-healing pad mounted on the cutting board in the path of travel of the cutting blade whereby the carriage assembly is pushed downward on the rail assembly to move the cutting blade to an operative position with respect to the self-healing pad for trimming or cutting the paper sheets.

Abstract: An apparatus and process are disclosed for removal of a stripe of soft reflective material of uniform width from the surface of a mirror by using a blade having a large included angle to inhibit curling of the blade during the cutting operation which could result in damage to the glass substrate of the mirror. The cutting blade is maintained at a low blade angle with respect to the mirror surface to produce minimal chipping along the cut edge and to minimize the force exerted on the coating normal to the glass surface which could deform the flat mirror. The mirror is mounted in a cutting mechanism containing a movable carriage on which the blade is mounted to provide very accurate straightness of the travel of the blade along the mirror.

Abstract: Disclosed is a punch pressing machine requiring no turret, having punch units and die units as die sets, the number of which is not inferior to a turret punch pressing machine, and exhibiting a working accuracy superior to the turret punch pressing machine. A plurality of punch units and die units are disposed in two or more lines on a mounting plate member. A hammer member confronting the respective punch and die units is positioned in X-and-Y axis directions, whereby a workpiece can undergo necessary punch press working.

Abstract: Known are cutting devices for cutting food products with a base plate, an orbital-driven circular knife, a product feed unit and a counterknife. The invention proposes a height- adjustable distance of the circular knife to the counterknife along the cutting plane, and a stationary counterknife.

Abstract: A circular saw having a table on which a workpiece is laid in which a saw blade whose bevel angle can be adjusted is mounted on an operating arm which may be held in a raised position and a lowered position relative to the table. The circular saw includes a fixed support member fixed to the table, the fixed support member having a pair of recesses each of which has a slanted reception surface relative to a slide surface of the fixed support member; a movable support member mounted rotatably on the fixed support member for supporting the operating arm, the movable support member having a an arcuate guide hole, the movable support member having a pair of mount screw holes perpendicular to the reception surfaces; a stationary shaft which passes through the arcuate guide hole formed in the movable support member and which engages with the fixed support member; and a pair of adjusting screws which penetrate the mount screw holes and which are alternatively held in abutment with the reception surfaces.

Abstract: In a tape cutter capable of cutting a tape completely and enhancing the durability of the cutter blade, a cutter holder is rotated by the engagement of a holder gear portion with a lever gear portion according to the rotation of an operation lever so that a cutter blade is moved toward a tape face. A sliding projection slides upwardly along an inclined face and the cutter holder is moved in the widthwise direction of the tape T. Therefore the cutter blade 13 presses the tape face and cuts the tape T while sliding in the widthwise direction of the tape T.

Abstract: A machine for receiving and compressing agricultural harvested crops, such as hay, straw or grass, to roll-shaped bales with a coiling chamber, which can be swung open and moved by means of a chassis comprises a front chamber housing and a rear chamber housing, which is coupled pivotably to the front chamber housing for forming the boundary of a front and a rear bale-forming space. A first bale conveyor is allocated to the front bale-forming space and a second bale conveyor, which can be caused to move in a direction of rotation opposite to that of the first bale conveyor, is allocated to the rear bale-forming space. The first bale conveyor and the second bale conveyor are guided over at least one upper and one lower stationary deflector rolls which are supported so that they can rotate at the housing wall parts.

Abstract: A system for dampening deflections which occur in an elongate rotating fly-knife includes camming elements along the length of the beam carrying the fly-knife. A second beam spaced from the knife is also mounted for rotation and includes spaced apart camming elements adapted to rotate and contact the fly-knife camming elements at that point during the rotational cycle when the fly-knife will cut and/or perforate the material with which the apparatus of the present invention is employed. In one preferred embodiment of the invention, the system is used to perforate, slit or cut plastic film, e.g., in the manufacture of bags. In another preferred embodiment of the invention, the system is used with a coversheet winding machine. The rotating beams of the invention are preferably driven by a single motor to maintain registration of the knife camming elements with the support beam camming elements.

Abstract: An improvement is made to a die cutting press and to the method of die cutting in a press by providing two opposing and oppositely driven clamping bars which move together to clamp the die board and to accurately position the clamped die board at a predetermined location within the press. The press is operated to determine the adequacy of the cut produced by the die in sheet material fed into the press. If the cut is unsatisfactory, the opposing clamp bars are quickly driven apart thereby releasing the die board. The die board can be removed from the press and then manipulated or modified to cure any imperfection in the cut. The modified die board is then reinserted into the press and accurately repositioned at the predetermined location within the press by driving the opposing clamping bars towards each other against the die board.

Abstract: A slitter moving mechanism includes an upper and a lower blade unit with an upper and lower blade respectively, the upper blade being movable between a slitting position to slit a web in a feed direction and a retracted position wherein the web can pass between the blades without being slit; a supporting member vertically and laterally movable within predetermined ranges and rotatably supporting the upper blade, a biasing member for upwardly biasing the supporting member and generating a coupling force for laterally moving the upper blade in a separating direction away from the lower blade; and guide member for restraining lateral movement of the upper blade in the separating direction beyond a predetermined distance and for guiding the vertical movement of the supporting member between the slitting and retracted position; the upper blade unit including a lowering device for lowering the supporting member and for generating another coupling force to swing the upper blade into contact with the lower blade, the

Abstract: A machine which is constructed for slitting travelling webs, such as corrugated boards or similar material, characterized by a slitting tool with the shape of a thin rotary blade, which is provided with a cutting peripheral edge. The rotary blade is contained within a holder so that only a small portion of the cutting edge will emerge from a narrow slot in a wall of the holder, which wall is placed very close to the path of the web. The holder also contains a liquid for cooling and lubricating the rotary blade.

Abstract: An apparatus and method for cutting strip or reel form of TAB tape into individual sites ready for further processing. In addition, a lead plating buss may be removed at the same time. A universal and adjustable apparatus includes preferably two cutter assemblies positioned adjacent a replaceable tape adapter and a clamp foot is actuated prior to cutting, for holding the tape, and is also magnetically attracted toward the movable cutter blade.

Abstract: An improved box blank die cutting machine (20) is provided which includes die changeover apparatus (32) permitting the machine die structure (28) to be rapidly changed without the necessity for completely removing the die frame (26) from the machine (20). The changeover apparatus (32) includes die-supporting elements (156, 158) designed to support the die frame (26) as it is shifted rearwardly towards the output end (46) of the machine (20). Moreover, the elements (158) include selectively extensible pins (184a, 184b) which are received within corresponding die frame apertures (108, 110), so that the die frame (26) may be pivoted to an upright die changeover position. Limit stops (188, 190) are also provided for limiting the pivoting movement of the die frame (26), and for stabilizing the die frame (26) in its upright position.

Abstract: A machine is provided for cutting oval shapes in planar workpieces, wherein the blade is dynamically oriented so as to maintain its cutting axis constantly tangent to the line of cutting. It utilizes a pivotably mounted cutter head, to which is attached an orienting arm that is arcuately reciprocated by an element moving unidirectionally in a circle, the direction of circular movement being opposite to that in which the cutting head proceeds.

Abstract: A dispensing and cutting mechanism for film or the like comprising a frame structure, means for holding a supply of film, an advancing roller structure for moving film from the film supply, means to drive the advancing roller structure, and a cutting structure mounted forward the advancing roller structure to sever a length of film. The advancing roller structure further has an idler roller and a drive roller which are mounted for rotation and in an aligned configuration to the frame structure. The cutting structure is comprised of a fixed bottom cutting structure mounted to the frame structure forward and generally in line with the idler roller. A pivotable upper cutting structure is further mounted to the drive shaft and is constructed and arranged to cooperate with the fixed bottom cutting structure.

Abstract: A compact paper cutter and perforated edge paper trimmer apparatus which comprises: a base, a base cover hingedly connected to the base to move between an open and closed position, the base cover having a slidable knife edge for cutting paper against a hard strip material on the surface of the base when in a closed position over the base, a paper edge guide hingedly connected to the base to move between an edge guide position generally perpendicular to the base and a closed position adjacent the base, and perforated edge holding teeth and a lever to move the teeth between an upright perforated edge holding position above the base surface and a non-holding position below the base surface.

Abstract: A shingle ridge cap cutter utilized for cutting uniform sections from roof shingles comprising a frame along which a shingle is guided to a manually operated cutter that comprises spaced blades that are moved to sever a section of the shingle. The cutter blades are provided in spaced-apart, non parallel relationship so that a combined rectangular and trapezoidal-shaped ridge cap is made by single movement of the cutter with the roof shingle positioned so that the cutter blades are aligned with the slots along one edge of the shingle. Provision is made for operation to prevent injury to the hands of the worker.

Abstract: An apparatus which cuts grooves in duct board panel is provided which includes a cutting head assembly which travels transversely across the apparatus on a cross track which is mounted to travel along the length of the apparatus. The cross track is positioned according to indicia along the side of the apparatus which indicate where grooves should be cut to form a particular size air duct, and a plurality of different cutting blades carried by the cutting head are sequentially rotated into use to sequentially cut a plurality of differently shaped grooves across the duct board panel.