Abstract: Implementations of motorcycle base valve presses may include: a press including a base coupled to a first end of a body, a head coupled to a second end of the body, a handle coupled to a side of the head, and a press ram coupled through the head. The motorcycle base valve press may also include an end cap coupled with a first end of the press ram; and a motorcycle fork receiver coupled to the base of the press, the motorcycle fork receiver configured to receive a damper assembly of a motorcycle fork. The end cap may be configured to contact the base valve through the press ram and allow the base valve to turn.

Abstract: A cutting device (1), in particular for rapidly cutting webs, including: a support structure (2) including a fixed blade (3), a carriage (4) movable along a movement direction (X), a mobile blade (5) mounted on the carriage (4), a guide (7), associated to the support structure (2), on which the carriage (4) is slidable along the movement direction (X); a sliding sleeve (11), interposed between the carriage (4) and the guide (7) concentrically to the guide (7); seals (8, 10) interposed between the guide (7) and the carriage (4) so as to define a chamber (9), concentric to the guide (7) and containing the sleeve (11); motor (6) configured to move the carriage (4) according to an alternating movement along the movement direction (X) between a non-operating position and an operating position, in which the mobile blade (5) partially superposes the fixed blade (3) so as to carry out the cutting of a web; supply (15) for supplying air to the chamber (9) so as to maintain it at a greater pressure with respect to t

Abstract: The invention relates to a wedge drive for converting a vertical pressing force, including at least one slider bed, one slider wedge, and one driver; to provide a movable coupling of the slider wedge in the slider bed, at least one bearing lug is provided; the bearing lug reaches through at least one bearing opening in a side wall of the slider bed from the outside and engages in a recess in the slider wedge; the slider wedge is supported on the bearing lug and the bearing lug is supported on a wall delimiting the bearing opening.

Abstract: A blind cutting machine is used to cut a horizontal and a vertical blind. The blind cutting machine includes a table, a first cutting device, a first and a second supporting base. The first cutting device is disposed on the table, and a cutting blade die holder is disposed on a die plate. A first driving mechanism is connected to the cutting blade die holder, so as to drive the cutting blade die holder. A first and a second positioning region of the die plate respectively position elements of the horizontal and the vertical blinds. The cutting blade die holder has a first and a second cutting blade disposed corresponding to the first and the second positioning regions respectively, the first cutting blade has a first cutting edge and a second cutting edge, and the second cutting edge has a vertical cutting portion and has a chamfering portion.

Abstract: A machine for creating holes in a structural angle, including parallel plates including (1) an earth plate perpendicular to an axial direction and positionable at a fixed position relative to the structural angle, (2) a top plate mounting a workpiece tool, (3) a bottom plate spaced a fixed distance from the top plate, both plates being supported for axial movement relative to the earth plate, and (4) a support plate between the earth plate and the top plate and supported for axial movement relative to the earth plate. The support plate is biased toward the top plate and away from the earth plate. A first stop limits movement of the bottom plate toward the earth plate and a second stop limits movement of the support plate away from the earth plate. A drive selectively moves the support and bottom plates axially away from each other.

Abstract: A separation apparatus for separating two planar devices bonded together by an adhesive layer is provided. The separation apparatus includes a base, a sliding module, a cutting member, and a positioning stage. The sliding module is mounted on the base. The cutting member is connected to the sliding module and is moveable in a two-dimensional plane with respect to the base by the sliding module for cutting the adhesive layer. The positioning stage is mounted on the base for positioning the planar devices and the adhesive layer therebetween on the base.

Abstract: Embodiments of a power miter saw comprise a saw base, a rotatable table, a miter arm, a saw blade and motor assembly operatively connected to the table, a hinged linear guide mechanism configured to support and move the assembly along a predetermined linear path, the mechanism comprising a first hinge having first and second links pivotably connected together by a first shaft extending through aligned openings therein, and a locking lever having a handle and a locking blade at opposite end portions and a pivot portion with a pivot connection therebetween for pivotably mounting the lever to one of the links, the blade being configured to fit within a gap between adjacent surfaces of the first and second links when the guide mechanism is in one of its extended or retracted positions and the lever is moved into a locked position.

Abstract: There is provided a punching unit having a structure permitting to reduce a force required for punching, permitting to lessen parts and permitting to punch holes through a member to be perforated at arbitrary positions thereof. The punching unit has a holder that holds one or plurality of sets of punches and dies. The holder is movable in an array direction in which a plurality of holes to be perforated through the member is arrayed. An eccentric cam is disposed above the holder in parallel with the array direction. The punches within the holder are driven toward the dies by rotating the eccentric cam regardless of moving positions of the holder. Thus, the punching unit can perforate a number of holes greater than the number of punches held within the holder by sequentially moving the holder and by rotating the eccentric cam.

Abstract: A locking bolt for mounting a tool in a hydraulic press, it being possible for the locking bolt to move in a bolt receptacle between a locking position and a release position, with a securing element, which is located in the bolt receptacle and secures the locking position by positive engagement in the locking bolt, the locking bolt also having a securing portion, and the locking bolt being secured against movement into the release position when the securing element is located in the securing portion. The locking bolt has a longitudinal groove, in that the securing portion is formed with a securing depth in any event corresponding to a groove depth of the longitudinal groove and in that the securing portion is formed such that it is adjacent to the longitudinal groove in the circumferential direction, with a direct transition from a groove base into the securing position.

Abstract: A reciprocated knife cuts pattern work material pieces without rotating a housing tube for orientation of the cutting knife. An integrated tangent axis drive motor orients the cutting knife, eliminating any inertia caused by the cutting housing tube and preventing the slowing of the angular acceleration and increasing the speed of the knife orientation. Alternative motor types are provided by various embodiments of the invention.

Abstract: A slide driver assembly for use in a multi-station or a single-station progressive tooling die includes die sections that are operative to move between an open position and a closed position to perform a first operation on a work piece located between the die sections. A slide driver performs a second operation, such as a trimming operation, on the work piece as the die sections move between the open position and the closed position.

Abstract: A separation apparatus for separating two planar devices bonded together by an adhesive layer is provided. The separation apparatus includes a base, a sliding module, a cutting member, and a positioning stage. The sliding module is mounted on the base. The cutting member is connected to the sliding module and is moveable in a two-dimensional plane with respect to the base by the sliding module for cutting the adhesive layer. The positioning stage is mounted on the base for positioning the planar devices and the adhesive layer therebetween on the base.

Abstract: A food slicer includes a lower container for holding sliced food items and one or more blades at the top. A pushing element is secured within a housing, with the housing being configured to slide vertically with respect to the container. A pair of pillars and a pair of guides form a path such that the pushing element follows a generally straight and vertical path as it moves downward toward the blades.

Abstract: A cutting apparatus includes a motor, a gear set, a gliding block, a rotating shaft and a handling element. The gear set includes a first gear part connected to the motor and a second gear part connected to a protrusion member. The center line of the protrusion member is shifted from the center line of the second gear part. The gliding block includes a gliding channel for receiving the protrusion member therein. The protrusion member is linearly moved along the gliding channel back and forth when the protrusion member is rotated in a circular motion. The rotating shaft is connected to an end of the gliding block such that the rotating shaft is rotated with synchronous linear movement of the protrusion member. The handling element has a first end sheathed around the rotating shaft and a second end operated to have the cutting member linearly moved along two guiding tracks.

Abstract: A gift wrap paper cutter that is used to both store a tube of gift wrap and also to cut off a desired length of gift wrapping from the tube. The cutter comprises an outer casing that has a track running lengthwise within the outer casing. Within the track is a razor blade that is axially mounted within a movable casing that can be slid back and forth lengthwise along the track. A pair of springs are attached to the axle, ensuring that the razor blade, in its default position, is located above a length of gift wrap paper and does not cut the paper. However, an individual can push down on a handle attached to the razor blade, causing one of the ends of the razor blade to be pushed into the length of gift wrap paper, allowing the individual to cut the gift wrap paper lengthwise. The pair of springs cause the razor blade to disengage from the gift wrap paper when downward pressure is no longer applied to the handle attached to the razor blade.

Abstract: An apparatus for slitting a web moving along a path comprises a mounting block adapted to be fixed at a location adjacent to the web path. A guard assembly includes a guard plate secured to rod members projecting from the mounting block. A blade guide is mounted on and shiftable along the rod members, and at least one blade is carried by the blade guide. An actuator serves to shift the blade guide along the rod members between an extended position at which the blade projects in a slitting position beyond the guard plate and into the web path, and a retracted position at which the blade is withdrawn from its slitting position and from the web path to a position where it is shielded from exposure by the guard plate.

Abstract: A punch includes a jig having four punching regions, each punching region having a pattern hole and a concave embossment; guide columns extended upward from a border of the punching regions on the jig; a base for fixing the jig; a punching member punching and embossing the rectangular corner of a sheet member with vertically moving against the jig by guidance of the guide columns; and an elastic body to elastically bias the punching member upward.

Abstract: A tool mounting and method for adjustably mounting a tool holder on a cam slide of a press mounted cam also including an adapter body and driver. The tool mounting includes a tooling plate adjustably secured to the cam slide by a series of dowel pins closely fit in dowel pin openings in the cam slide and loosely fit in dowel pin holes in the tooling plate to allow vertical and horizontal adjustment. A channel extends to each oversized dowel pin opening to enable injection of a setting material to lock the tooling plate in its adjusted position after being aligned with a die opening using a pilot installed in a tool holder mounted on one side of the tooling plate. An alignment plate is installed over the other side to cover the channel to each oversized dowel pin hole and allow removal and replacement of the tooling plate without disturbing the adjusted position on the tooling plates.

Abstract: The triple action cam die set has an upper die, lower die and a cam system that works on multiple axes. A feeder delivers tubes sequentially to a loading station from where the tube is moved to a work station where the ends of the tube are cut and then the cut tube is moved to an exit station. The upper die has pairs of first, second and third drivers, each driver having a caming surface thereon. The lower die has a pair of cutter holders with cutters located opposite the ends of the tube when located at the work station. The cutter holders have first, second and third cam surfaces thereon which are sequentially engageable by the cam surfaces provide on the first, second and third drivers when the upper die is cycled.

Abstract: To facilitate aligning and setting of a punch in a die of a press machine, a module cam assembly comprises a cam unit and an L-shaped module base. The cam unit comprises a cam driver, a cam slider equipped with a positive return to be driven by the cam driver, and a cam base holding the cam slider. The cam slider has a punch retainer on its vertical side. The L-shaped module base bears the cam unit, and is adapted to be fastened to the lower die holder. The L-shaped module base has a button die on its vertical leg in confronting relation with the punch retainer of the cam slider. This arrangement facilitates the centering and fastening of any tool to the press machine.

Abstract: The method of cutting a pleated shade to selected length, said shade having pleats retained in pleated condition between longitudinally elongated first and second retainers, that includes the steps providing a blade having a cutting edge, orienting the blade to extend laterally relative to the retainers and/or pleats, with the blade edge presented toward the first retainer at an angle to that retainer, and urging the blade in a first direction toward the first retainer so that the blade edge cuts through the first retainer progressively in a lateral and second direction, and progressively laterally through the pleats and lower retainer, the pleats and/or retainers being adjustably laterally confined, and the first retainer and pleats being clamped in said first direction at the locus of cutting, by force transmission from the blade.

Abstract: A photo cutting apparatus includes a support, a press, a linkage and a cutting device. The press is movably mounted on the support. The linkage is for pressing the press. The cutting device is arranged between the support and the press for separating photos developed on a sheet from one another in a single action.

Abstract: Narrow aerial and die-mount cams, each having a cam adapter, a driver and a slide sandwiched between the cam adapter and driver. The narrow aerial cam slide has an elongate primary portion that has a T-shaped cross-section and has a primary bearing surface, and the cam adapter has a rectangular recess. An elongate keeper plate having a longitudinal slot is secured to each side of the cam adapter adjacent the rectangular recess to slidably retain the primary portion of the slide within the longitudinal slots and the rectangular recess. The primary bearing surface and a pair of intermediate bearing surfaces formed in the slide below the primary portion slidably support the keeper plates and thus the cam adapter. The driver slidably supports the slide. The narrow die-mount cam is basically an inverted version of the aerial cam.

Abstract: Apparatus which can be employed for light, everyday hand-cutting of existing rolled material such as gift wrapping paper. The apparatus includes a frame whereon the roll of material can be positioned for rotary movement. The frame may be of fixed length to accommodate standard roll lengths or the frame may be made to be expandable if desired. A slot is provided to allow the material to be pulled therethrough. A cutter blade is disposed on the frame and is adapted to slide along a path parallel with the slot to perform a clean, even cut on the material.

Abstract: A knife attachment for a sheet cutting system which has a base with a hole with a mounting plate adjacent the hole and having extension with a slot that extends towards the base at an acute angle. The extension has a ledge above the slot. A utility knife is held in a knife holding bracket that is attached to the extension by a bolt and nut that extends through the slot in the extension; The knife has a slot between a tab attached to the body of the knife near the blade that fits over the front edge of the securing plate to hold the knife in position. A holding plate is attached to the securing plate to prevent the knife from moving horizontally.

Abstract: Tool or adaptor for receiving a tool for securing in a mounting head, including a fork-shaped mounting lug which projects in the direction of displacement and has an enlarged retaining opening starting from a smaller insertion opening.

Abstract: A punch unit (1) is provided with: a punch (2), which is reciprocally driven in a punching operation; and, a die (3), which cooperates with the punch (2) in punching a hole in a soft metal sheet (i.e., workpiece not shown). In this punch unit (1): punch guides (12, 13a) and the die (3) are integrally formed into a punch block (11); and a radial clearance between the punch (2) and the die (3) is set at a value of from 4 to 15 % of a thickness of the soft metal sheet to be punched; and, the punch unit (1) is further provided with a sheet hold-down means (5) the sheet hold-down means (5) functioning to hold down the soft metal sheet when the soft metal sheet is punched.

Abstract: The present invention provides an electric paper punch (hole puncher) with a reinforcement mechanism. The paper punch comprises a module with a paper slot and punch pin, an axle, a connecting module connected to the punch pin, and a motor. The connecting module has a rear wall that is arc-shaped and works in conjunction with an eccentrically shaped wheel to drive the punch pin forward and backward as the eccentrically shaped wheel rotates within the wheel groove. The arc-shaped wall of the connecting module is reinforced to prevent distortion from repeated pressure exerted during movement of the punch pin.

Abstract: A hydraulic apparatus for pressing or cutting workpieces, the apparatus having a mounting head for use with tools which can be moved against one another. The tools being arranged in the mounting head in a manner laterally offset from one another to allow them to move past each other. As a result of this configuration, there is provided, increased utility value, especially when using cutting tools. The tools are guided in grooves formed next to each other in the first embodiment. In this regard it is possible for a groove to be associated with each tool. In a second embodiment it is provided that the tools are guided in a common groove with additional support on opposite outer surface walls.

Abstract: A press apparatus includes a passive cam to which a processing member such as a punch is mounted. Removal of the passive cam from a lower die for repair is made to be easy, and workability is improved. The press apparatus has an actuation cam in an upper die, a passive cam in a lower die which is contact-pressed and driven by the actuation cam, a guide base in the lower die for sliding and guiding the passive cam, guide posts which are mounted across the guide base and move so as to slide the passive cam, and a force applying device for applying a force to the passive cam towards an opposite-work side. In such a press apparatus, the passive cam is fitted onto the guide base so that when the guide posts which are mounted across the guide base are removed, the passive cam can be lifted up and dismounted.

Abstract: A punch guide assembly includes a retaining clip for retaining the stripper plate inside the punch guide or allowing removal thereof without disassembly of any of the remaining components of the punch tool. The retaining clip is easily insertable into the punch guide and removable therefrom through an opening in the sidewall of the punch guide without the use of additional tools.

Abstract: Pilot device for a suspended cutting knife of a cutting head of an automatically controlled cutting machine. The cutting head is moved along the X and Y axes and pivots about the Z-axis. The cutting knife is reciprocally movable along the Z-axis. The cutting head includes a device for guiding the unsuspended part of the cutting knife and a pressure foot rigidly connected to the pivotal cutting head. The suspended end of the knife is mounted in the cutting head so as to be freely rotatable around the Z-axis. The guiding device is adjacent to the free end of the knife and comprises a socket rigidly connected to the cutting head having a support which is freely rotatably mounted in the socket around a vertical axis located in front and adjacent to the cutting edge and parallel, at a predetermined distance, to the Z-axis. The support has a slot surrounding the flanks of the knife.

Abstract: A cutting device for strip stock includes a stationary blade and a motor-driven, movable blade that continuously contacts against the stationary blade, constituting a point of support. Two other points of support for the movable blade are equally spaced from the cutting edge of the blade and from the sides of the blade. The other two supporting points also function as blade drive points for moving the blade in a reciprocating manner. The drive points are connected to an output shaft of the motor through a gear assembly. A pair of ball bearings on each side of the blade, which are laterally spaced from each other on each respective side of the blade, cooperate with the blade to achieve a very low friction for the device during operation.

Abstract: A machine trims the ends of decorative molding to match the contour of the face of the molding. The machine comprises a frame that supports a die. The die has an opening therethrough with a die profile that is reversely arranged in comparison with the molding face contour. A punch with a profile that is identical to the molding face contour is reciprocated into and out of engagement with the die. In a first position, the punch is out of engagement with the die such that the end of a piece of molding can be placed between the punch and the die. The punch is actuated to reciprocate into engagement with the die and shear the molding. The punch has a three-dimensional cutting edge with a point between the punch ends. The point contacts the molding first. From the point, the punch cutting edge shears the molding progressively across the molding toward the punch ends.

Abstract: Pilot device for a suspended cutting knife of a cutting head of an automatically controlled cutting machine for cutting fabric sheet material spread out on a cutting table in multiple layers. The cutting head is controlled by moving the cutting head along the X- and Y-axes and pivoting about a Z-axis for moving the knife tangently along a predetermined cutting path. The cutting knife is reciprocally movable along the Z-axis. The cutting head includes a device for guiding the unsuspended part of the cutting knife and a pressure foot rigidly connected to the pivotal cutting head. The suspended end of the knife is mounted in the cutting head so as to be freely rotatable around the Z-axis.

Abstract: A hemming apparatus has a stand which is axially and rotatably adjustable, a carrier pivotally connected to the stand and a hemming tool adjustably received on a slide assembly which in turn is slidably received on the carrier. The hemming tool can be rotatably adjusted relative to the carrier to properly orient the hemming tool on the slide assembly for engagement with a flange of a sheet metal panel to hem the flange. Further, the stand can be axially and rotatably adjusted and the carrier can be pivotally adjusted relative to the stand to vary the orientation and path of travel of the slide assembly and hence the hemming tool relative to the sheet metal panels. Desirably, this readily adjustable and versatile hemming apparatus can be used to form or hem the flange of substantially any sheet metal panel having contours or corners of substantially any configuration or orientation.

Abstract: A press device which can be produced at a lower price includes a slide cam base, a slide cam guided by the slide cam base for mounting a machining member such as a punch, a biasing member provided between the slide cam base and the slide cam for biasing the slide cam, and an actuating cam for abutting the slide cam to drive the slide cam. When the slide cam base holds the slide cam, a pressing at a high accuracy with little deflection can be performed and the time required for machining the holding portions of the slide cam is short. The slide cam is slidably provided on a circular-section guide post installed on the slide cam base.

Abstract: Disclosed is a cut-off head (100) for a forming machine having a slot (21) across a bottom side of a stationary member (44) and a reciprocating member (16) that carries a cutting blade (60) that is operative to cut wire or strip passing through a guide member (56) that is releasably secured to stationary member (44) by a guide holding member (34) to enhance repairability and replacement. Slot (21) of cut-off head (100) is pivotably engageable with a portion of a positionable plate member (20) that is releasably secured to the stationary frame of the forming machine.

Abstract: Disclosed is an improvement in a cam assembly for use in a pressing machine having a lower cam to be fixed to the base of the pressing machine, a spring-biased sliding cam whose front surface is allotted to fix a machining tool and a cam holder to be fixed to the upper frame of the pressing machine. The sliding cam is operatively combined with the lower cam to slide on the inclined surface of the lower cam synchronously with the rising and descending of the upper frame of the pressing machine, whereas the cam holder and the sliding cam is so combined as to leave a predetermined space defined therebetween, thereby permitting the sliding cam to be slidably held in the cam holder. The cam assembly further has a spacer to be inserted in the predetermined space and detachable fastening means to fix the sliding cam to the cam holder as if the slider were like with the upper frame of the pressing machine staying at its lower dead end.

Abstract: Aerial and die mounted cams are provided with dual opposed wearplates on bearing surfaces.

Abstract: A wire rope cutter machine has at least a first and pair of jaws for holding the rope to be cut taut and a cutting blade for cutting the rope. The cutting blade has a "V"-shaped cutting edge and the bottom jaw of the first pair of jaws has a "V"-shaped edge which is off-center and displaced from the middle of the "V"-shaped edge of the cutting blade to permit a four-edge pivoting cutting process.

Abstract: A punch press having connecting rods which face away from each other are arranged on the eccentric shaft, and each connecting rod is coupled to a connecting lever. Two toggle joint mechanism units are connected to one connecting lever. Two further toggle joint mechanism units are connected to the other connecting lever extending in the opposite direction. The first named toggle joint mechanism units are connected via pressure columns to a first ram. The second named toggle joint mechanism units are connected via further pressure columns to a second ram. Due to the driving structural members which are arranged symmetrically distributed relative to the eccentric shaft of the punch press and the two rams arrived that thereby, the punch press can feature an extremely long space for receipt of the tools without that the height of the punch press, the allowable rated loading and the moving masses must be held overally large.

Abstract: A pressing cam die includes a cam slide having a cam surface; a supporting device for supporting the cam slide onto an upper die such that the cam slide is movable in a downwardly inclined direction; a coil spring for urging the cam slide toward its initial position; and a cam driver having a cam surface which is slidably brought into surface contact with the cam surface of the cam slide. The supporting device has a base and a round guide bar which is attached to a front wall portion and a rear wall portion of the base. The coil spring is wound around the guide bar and is disposed concentrically with the guide bar.

Abstract: An automatically controlled cutting machine for cutting multiple layers of fabric sheet material spread out on a cutting table, the cutting machine including a cutting tool which is rotatable about a Z-axis and which includes a cutting knife mounted on a cutting head and a guiding device for guiding the cutting knife. One end of the knife is mounted in the cutting head so as to be freely rotatable around the Z-axis. The guiding device is arranged adjacent to the remaining free end of the knife and comprises a socket rigidly connected to the cutting head, and a support which is freely and rotatably mounted in the socket around a vertical axis located in front and adjacent to the cutting edge of the knife, and parallel and spaced a predetermined distance from the Z-axis. The support has a slot surrounding the flanks of the knife.

Abstract: An automatically controlled cutting machine for cutting multiple layers of fabric sheet material spread out on a cutting table, the cutting machine including a cutting tool which is rotatable about a Z-axis and which includes a cutting knife mounted on a cutting head and a guiding device for guiding the the cutting knife. One end of the knife is mounted in the cutting head so as to be freely rotatable around the Z-axis, and the guiding device is arranged adjacent to the remaining free end of the knife and comprises a socket rigidly connected to the cutting head, and a support which is freely and rotatably mounted in the socket around a vertical axis located in front and adjacent to the cutting edge of the knife, and parallel and spaced a predetermined distance from the Z-axis. The support has a slot surrounding the flanks of the knife.

Abstract: The disclosed punching unit transforms the vertical motion of a press into a horizontal punching motion by means of two wedges inside the unit body, the down motion of the upper wedge determining the horizontal displacement of the lower wedge, the unit being provided with a return mechanism and with a locking sensor for stopping the unit. It has gas dampers or metal springs, and in one embodiment, the unit is mounted on a base plate which is larger than the plant, and which is aligned with the clamping plate, thereby providing anti-rotation in collaboration with the internal anti-rotation structure.

Abstract: A universal cam unit for use in a power press comprising a driver assembly, a slide block to which the working tool is mounted, and a mounting bracket for coupling the slide block to the ram for movement therewith. The slide block is slidably mounted to move between a retracted and an extended position. The slide block and the driver assembly include parallel inclined bearing surfaces which abut when the pressure pad and the ram are lowered. As the ram motion continues, the inclined bearing surfaces slide against each other thereby causing the slide block to move from the retracted to the extended position. The movement of the slide block brings the tool into engagement with a workpiece disposed between the pressure pad unit and the lower die to perform a desired operation. The components of the universal cam unit may be disassembled and selectively replaced, so that the unit may be quickly and easily adapted for use in a desired application.

Abstract: A device for performing the continuous cutting of materials of any form and nature, provided they are stratified and not flexionally rigid. The device generally comprises: fixed and mobile support surfaces; a mobile cutting shear cooperating with a fixed cutting shear; a fixed blocking unit on the fixed support surface side of the cutting shears; a mobile blocking unit on the mobile support surface side of the cutting shears; an eccentric for driving mobile portions of the device, including the mobile cutting shear, the eccentric being synchronized with the fixed and mobile blocking units; and a link block and slide guide. Non-rigid, stratified materials thereby may be more easily cut in that the invention substantially reduces or eliminates the dragging effect of the material that typically occurs during the cutting process.

Abstract: A punching die includes a punch body and a punch head provided for an upper portion of the punch body. The punch head is struck by a striker. The punching die further includes a punch guide disposed at a lower portion of the punch body, a retainer collar disposed over the punch guide and fitted to the punch body, a stripping spring interposed between the punch head and the retainer collar, and an elastically deformable damping member being interposed between an upper surface of the punch guide and a lower surface of the retainer collar.

Abstract: A shingle cutting tool for cutting a shingle having a longitudinal edge, the shingle cutting tool making a cut across the shingle at a selectable angle transverse to the longitudinal edge thereof, the shingle cutting tool including a guide member, the guide member having a substantially upright surface for guiding the longitudinal edge of the shingle, and a cutting assembly, the cutting assembly being pivotally attached to the guide member and extending outward therefrom, the cutting assembly including a cutting base member, a cutting blade, the cutting blade having a cutting edge, the cutting edge opposing the base member, a reciprocating guide mechanism for guiding the cutting blade in a reciprocating fashion within a plane extending from the cutting base, and a pressure mechanism for exerting a pressure on the cutting blade to thereby bring the cutting edge into contact with the cutting base member.