Abstract: A sheet cutter includes: a stationary knife including a straight blade part formed in a straight-line shape in a longitudinal direction; a movable knife including a cutting edge part formed in the shape of V-character, opposed to mesh with the straight blade part of the stationary knife, the movable knife being able to freely move toward or back from the stationary knife; a movable knife pressing member for pressing the movable knife against the stationary knife; and a movable knife driver driving the movable knife forward or backward. The movable knife pressing member pressure contacts the movable knife against the stationary knife by a compression coil spring contained inside the movable knife pressing member.

Abstract: For use in a saw machine to hold a spreader, a spreader mounting structure is disclosed to include a spreader holder, which has a holder base for fastening to the saw machine, a front bearing wall for bearing an insertion portion of the spreader, a first receiving portion, a holding down device having a shank with a bearing portion insertable through the insertion portion of the spreader into the first receiving portion of the spreader holder and a holding down plate, a control member having an operating portion and an actuation portion movable by the operating portion relative to the bearing portion of the shank of the holding down device to move the holding down plate between a locking position where the holding down plate holds down the insertion portion of the spreader on the front bearing wall of the spreader holder and an unlocking position where the holding down plate is released from the insertion portion of the spreader.

Abstract: Guide pads with electroless nickel coatings provide a better wear resistance and a lower coefficient of friction than the Babbitt guide pad material. The unexpected benefit is that when the electroless nickel coating comes into contact with the rotating saw blade body the damage to the pad or saw blade or both is substantially reduced. Also the effect of hydraulic erosion or third body erosion is minimal.

Abstract: A tool guiding device including a base frame and guiding rails arranged on the base frame so that they are parallel in relation to each other. At least one carriage having a machining tool is guided on the guiding rails in a linearly displaceable manner by a drive device with a carriage connecting element. The tool guiding device of this invention guides the tool in a precise, non-abrasive manner. Thus, the carriage is coupled to the carriage connection by a compensation device including at least one angle compensating element and at least one lateral compensating element.

Abstract: A tension board comprises a bow member that can deform resiliently to apply lateral force to a workpiece pushed between it and the fence of a table saw, and that may have an associated tension gauge element. Combination tools may employ two bow members having different force-generating characteristics, an array of feather members, and a single contact finger.

Abstract: A sawguide assembly includes a plurality of sets of sawguides, the sawguides within each set positioned adjacent to one another to create an array of laterally-abutting sawguides. Corresponding sawguide biasing assemblies bias the sawguides in each set against one another. The arrays are supported for independent movement along a lateral path generally parallel to the axis of the arbor. Lateral drivers are used to move each array in unison along the lateral path but independent of the other arrays. A sawguide array skewing assembly couples the sawguides of each array to one another so that the sawguides can be pivoted in unison about their respective pivot axes by a corresponding skewing driver.

Abstract: A sawguide assembly includes a set of sawguides positioned adjacent to one another to create an array of laterally-abutting sawguides. A sawguide biasing assembly biases the sawguides against one another. The array is supported for movement along a lateral path generally parallel to the axis of the arbor. A lateral driver is used to move the entire array in unison along the lateral path. A sawguide array skewing assembly couples the sawguides to one another so that the sawguides can be pivoted in unison about their respective pivot axes by a skewing driver.

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

Abstract: A 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: A sawguide assembly includes a set of sawguides positioned adjacent to one another to create an array of laterally-abutting sawguides. A sawguide biasing assembly biases the sawguides against one another. The array is supported for movement along a lateral path generally parallel to the axis of the arbor. A lateral driver is used to move the entire array in unison along the lateral path. A sawguide array skewing assembly couples the sawguides to one another so that the sawguides can be pivoted in unison about their respective pivot axes by a skewing driver.

Abstract: One side of an access panel is trimmed while an opposite side of the panel is secured in an opening between skin sheets on the underside of an aircraft wing. The trimming apparatus includes a frame secured to one of the skin sheets with a rail extending along an edge of the opening and a trim saw assembly slideable along the rail. The frame can be secured in position by several vacuum cups, and can include index flanges engageable against an edge of the opening for precise positioning of the rail and the trim saw assembly carried thereby.

Abstract: An apparatus for cutting individual pieces from an extruded strand fed at a constant velocity (v0) has two cutting blades, which are disposed on disks and rotate in circular paths. In order to align the cutting blades perpendicular to the feed direction of the extruded strand, the blade supports holding the cutting blades are coupled to each other by means of guide rods. The guide rods simultaneously constitute the rotation axes of deflection rolls of a conveyor belt transporting the extruded strand.

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: 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 saw for removing opposing deck boards from a pallet. A pair of band saws are suspendedly and pivotally mounted to a frame. Guide fingers extend between the saw blades to engage the opposing surfaces of pallet deck boards to automatically position the saw blades with the junctions between deck boards and pallet runners. An upwardly extending bed is cantileverly mounted to the saw supporting the pallet.

Abstract: A device for hollowing out food products such as loaves of hemispherically shaped bread for the purpose of using the hollowed out loaf as a bowl for food. The device has a knife for cutting into the loaf and a loaf platform for holding the loaf of bread. The platform and knife are angled so that the cutting action removes a uniform sized conical section of bread from the central region of the loaf. The knife is mounted in restricted manner so that it will penetrate the loaf for cutting of the cone but will not pass through the loaf.

Abstract: The guide shoe according to the invention for cutting machines with a pintype drive has an insertion pocket in which a coupling piece engages from above, which coupling piece is arranged on a guide arm of the cutting machine and to which the guide shoe is attached so as to be pivotable by means of a transverse bolt which passes through the insertion pocket. In order also to allow the guide shoe to be pivotable about a vertical axis, the coupling piece is provided with an upright vertical journal which engages from below in a corresponding bearing hole on the guide arm. In this case, in a preferred embodiment, the bearing journal is decoupled from transverse forces which are transmitted between the guide arm and the guide shoe via a transverse-force piece arranged on the coupling piece.

Abstract: The guide shoe arrangement for disk shearers having a pin wheel gear drive and a coupling sleeve into which engages from above a coupling piece disposed on a positioning arm of the disk shearer, to which a guide shoe is pivotably connected by a gudgeon traversing the coupling sleeve. The height of the guide shoe is considerably less than its length. At the one sidewall of the guide shoe, a guide lug that is preferably formed as a hooked cleat is fixedly disposed. With the guide shoe arrangement it is possible to place the center of gravity of the guide show very low, such as about the guide plane of the guide shoe.

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: 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: A cutting device for cutting scrap metal has a support frame with slide guides connected thereto. A blade slide is vertically slidable in the slide guides along a travel path. A first blade is connected to the blade slide, and a second blade is fixedly connected to the support frame and cooperates with the first blade to perform the shearing action. Elastic elements cooperate with the blade slide such that the blade slide is movable essentially perpendicular to a plane of the shearing action against the bias of the elastic elements to thereby form a wider gap between the first and the second blades.

Abstract: An anti-splintering system for sawing machines having a saw blade with a plurality of teeth, has components including an anti-splintering device positionable on a workpiece laterally from the saw blade in pressure contact with the latter in the region of the teeth, and at least one positioning device connectable to the sawing machine and supporting the anti-splintering device for a correct operational arrangement of the anti-splintering device in the event of a change in at least one of a cutting depth and an angle of inclination of the saw blade.

Abstract: This invention relates to an improved double plush knife bearing mechanism for moving a carriage that holds a circular knife along a dove-tail track. The dove-tail track is a trapezoid having a parallel top and bottom portion with the width of the bottom portion exceeding the width of the top portion. Interconnecting the top and bottom portion are both a first outer side portion and a second outer side portion. The angle between the top portion and the first outer side portion is a first angle and the angle between the top portion and the second outer side portion is a second angle. The carriage has a bearing mechanism having a first bearing portion with a first component that is positioned adjacent to the top portion of the dove-tail track.

Abstract: A bandsaw machine which has a sawhead assembly in which a flexible endless bandsaw blade is trained around a pair of bandsaw blade wheels to cut a workpiece, with the blade being guided by a guide arm, includes a guide member on the guide arm, for holding the bandsaw blade in a vertical orientation by pushing the bandsaw blade from both sides. A rolling member is mounted on the sawhead assembly and is free to push a side surface of the bandsaw blade with a predetermined force so as to prevent vibration of the blade.

Abstract: An anti-sway device for a saw web mounted on a cutting machine, comprises a pin shaft, a pin sleeve, two nuts, a compression spring, a bronze pressing member, and a bolt. The pin shaft has an internally threaded bore formed at one end for the bolt to thread there into. The pin sleeve has external threads to engage with the two nuts so that the pin sleeve can be fixed to a protective housing of the cutting machine by the nuts, The pin sleeve further has a spring cavity to contain the compression spring therein, By means of the bolt, the bronze pressing member is screwed to the pin shaft and contacts the compression spring while the latter always pushes the bronze pressing member against the saw web to prevent the same from swaying during the cutting operation.

Abstract: The invention relates to an electric hand tool comprising a housing, a reciprocating carrier for an operating member drivable by means of an electric motor placed in the housing, wherein the carrier is guided by at least two guide members fixed in the housing, wherein the guide members each comprise two guides placed on either side of the carrier, wherein one of the guides is fixedly attached and the other guide is provided with means for urging the guide against the carrier.The occurrence of play, wear, noise nuisance and vibrations is thus avoided.According to a preferred embodiment, both guides forming part of a guide member are formed by guide rollers received in a frame and the frame is fixedly mounted by means of a shaft extending through one of the guide wheels and a spring is placed between the housing and the frame such that the spring urges the other guide wheel into contact with the carrier.

Abstract: A bandsaw machine which has a sawhead assembly in which a flexible endless bandsaw blade is trained around a pair of bandsaw blade wheels to cut a workpiece, with the blade being guided by a guide arm, includes a guide member on the guide arm, for holding the bandsaw blade in a vertical orientation by pushing the bandsaw blade from both sides. A rolling member is mounted on the sawhead assembly and is free to push a side surface of the bandsaw blade with a predetermined force so as to prevent vibration of the blade.

Abstract: A bandsaw machine which has a sawhead assembly in which a flexible endless bandsaw blade is trained around a pair of bandsaw blade wheels to cut a workpiece, with the blade being guided by a guide arm, includes a guide member on the guide arm, for holding the bandsaw blade in a vertical orientation by pushing the bandsaw blade from both sides. A rolling member is mounted on the sawhead assembly and is free to push a side surface of the bandsaw blade with a predetermined force so as to prevent vibration of the blade.

Abstract: A machine for feeding and cutting sheet material includes a housing and a framework pivoted on the housing to permit loading of sheet material into the machine. A feed roll is journalled in the housing. A cooperating pressure roll is journalled on the framework. A spring is adjustably carried on the framework for adjusting the pressure of the pressure roll toward the feed roll. A knife blade on the framework, and fixed to the framework cooperates with a movable knife blade in the housing for cutting predetermined lengths of sheet material. A cam follower bearing is provided in the housing to help guide movement of the knife blade in the housing. A spring adjustment is provided in the linkage connecting the cylinder driving the movable knife blade and the movable knife blade for varying the force of the movable knife blade against the cam roller bearing.

Abstract: A paper punch and binding apparatus has two punch mechanisms, one for punching round holes in a paper sheets stack and one for punching rectangular holes in another paper sheets stack. A single lever or crank simultaneously operates and drives a series of round end punches to shear the round holes and a punch plate with integral rectangular punch elements shear rectangular holes. A four-bar linkage connects the lever to the punch plate and the series of the punches in a manner that both the plate and punches are driven in a vertical straight line and with a greater mechanical advantage at the start and over the first increments of the punching operation. In a preferred embodiment, a binding station is provided in an apparatus base portion particularly for binding with a Douvry-type plastic resilient loops binding element. The binding station has an operating knob which operates a simple gear interconnect train for uncurling the resilient loops and allowing the punched hole stack to be inserted thereon.

Abstract: A bandsaw machine which has a sawhead assembly in which a flexible endless bandsaw blade is trained around a pair of bandsaw blade wheels to cut a workpiece, with the blade being guided by a guide arm, includes a guide member on the guide arm, for holding the bandsaw blade in a vertical orientation by pushing the bandsaw blade from both sides. A rolling member is mounted on the sawhead assembly and is free to push a side surface of the bandsaw blade with a predetermined force so as to prevent vibration of the blade.

Abstract: A vibration damper for a rotary cutter is disclosed. The rotary cutter has a rotary saw blade and a guard for covering the rotary saw blade. The vibration damper is disposed inside the guard and has a contact member which contacts the rotary saw blade.

Abstract: A bandsaw machine which has a sawhead assembly in which a flexible endless bandsaw blade is trained around a pair of bandsaw blade wheels to cut a workpiece, with the blade being guided by a guide arm, includes a guide member on the guide arm, for holding the bandsaw blade in a vertical orientation by pushing the bandsaw blade from both sides. A rolling member is mounted on the sawhead assembly and is free to push a side surface of the bandsaw blade with a predetermined force so as to prevent vibration of the blade.

Abstract: A self aligning guide system for one or more circular saw blades allows the guides to be aligned while the saws are rotating at operating speed under no load. The system includes at least one saw blade mounted on a shaft and has a first guide block having a face engageable with one side face of the saw blade and a second guide block with a face engageable with the other side face of the saw blade, a guide housing containing the first and second guide blocks, the guide housing slidingly mounted on an elongate member substantially parallel to the saw blade shaft, clamp means to clamp and unclamp the guide housing on the elongate member, and remote operational means to effect the clamping and unclamping of the guide block on the elongate member.

Abstract: A bandsaw machine which has a sawhead assembly in which a flexible endless bandsaw blade is trained around a pair of bandsaw blade wheels to cut a workpiece, with the blade being guided by a guide arm, includes a guide member on the guide arm, for holding the bandsaw blade in a vertical orientation by pushing the bandsaw blade from both sides. A rolling member is mounted on the sawhead assembly and is free to push a side surface of the bandsaw blade with a predetermined force so as to prevent vibration of the blade.

Abstract: Disclosed is a power driven circular saw blade and a guide assembly for such blade where the guide assembly includes a pair of guide units mounted respectively one of each of opposite side of the blade. Each guide unit includes a guide housing with a guide block reciprocally mounted therein and having a saw blade engaging portion. A stop limits movement of the guide block at least in a direction of movement toward the blade so that the guide block is normally in non-engagement with the saw blade while the latter is in a smooth substantially vibration free running condition. The guide block is resiliently biasing against such stop preferably by pneumatic pressure. A guide assembly as described is preferably located at the outfeed side of the blade but there may be an assembly at both the infeed and outfeed sides of the blade. The position of the stop if preferably adjustable.

Abstract: A portable miter guide device for chain and hand saws having a holding assembly (12) including a cradle member (18) and coacting clamps (36,38) for attaching the device to a work piece (W). The device includes a support arm (32) to which is attached an adjustment arm (14) for limited angular movement in a plane parallel to the work piece. Adjustably attached to the outer end of the adjustment arm (14) at an upstanding right angle is a saw guide member (16) with guide slot (80, 88, 90) for guiding chain and hand saws. The device can be attached to large wooden work pieces, the angle of cut chosen and a chain or hand saw (C, H) used to obtain an accurate square or compound cut in the work piece (W). In a second embodiment of the invention the adjustment arm (130) is fixed rather than being pivotal has a disc member (132) with support brackets (136,138) for pivotally supporting guide member (16).

Abstract: A follower guide for a sabre saw blade stabilizes the unsupported end portion of the blade during cutting operations, assuring a clean precision cut through the workpiece. Twisting, bending and other misalignment of the saw blade is eliminated. The follower guide is spring-urged into engagement with the saw blade and is constructed to coact with all standard sabre saw blades without requiring any modification thereof. The follower guide can be installed readily on various types of saw tables or platforms.

Abstract: A bandsaw blade guiding apparatus has a support arm forming a cavity through which the blade moves. The cavity contains a resiliently supported anti-friction member which has a flat surface contacting the back edge of the blade during a cutting operation.

Abstract: A bandsaw machine has a bandsaw blade frictionally held between opposed first and second guide members. A removably adjustable pressing plate member is connected to the second guide member. The second guide member is movable towards and away from the first guide member in response to adjustable movement of the pressing plate member. A lever-actuated cam acts on the pressing plate member to movably adjust the same.

Abstract: A saw guide subassembly for a mitre box includes a pair of saw guide elements with vertical guide means on their opposed surfaces. Slides are slidably seated on the saw guides and have bearing pads extending towards each other and guide means cooperating with those of the saw guide elements. Biasing means bias the slides upwardly but pressure exerted on the pads by the saw can move the slides downwardly to increase the depth of cut permitted. The cooperating guide means desirably comprise slots in the saw guide elements and web portions in the slides which are seated in the slots.

Abstract: A sausage slicing machine which includes a framework, an endless conveyor mounted on the upper side of the framework, and a plurality of articulated, automatically operable cradle elements connected to, and movable with, the endless conveyor. A plurality of opposed, circular cutter blades are mounted on the framework over the endless conveyor for rotation about a horizontal axis extending normal to the direction of conveyor movement. The blades are separated by a plurality of spacing and guiding plates and are dimensioned to pass through gaps formed in the cradle elements to cut into patties, a roll of sausage carried in the cradle elements. The conveyor and blades are driven from a prime mover mounted on the framework.