Abstract: A remote cutter head and a system therefore which can operate in confined spaces are provided. The remote cutting system including a cutter assembly driven by a fluid source, a pushrod hose coupling the cutter assembly to the fluid source, a control assembly detachably secured to the pushrod hose, and a monitor assembly coupled to at least one camera. The monitor assembly provides video images of the cutter assembly and cutter assembly surroundings. The cutting head including a fluid-driven gearmotor, the gearmotor including a two-piece housing, bearings, a pressure balanced gearmotor cavity, and two rotating members provided in the pressure balanced gearmotor cavity, one of the rotating members protruding from the cutting head. High-pressure fluid provided to the cutting head turns the two rotating members to drive a cutting bit attached to the rotating member protruding from the cutting head. Also provided is a cutting bit.

Abstract: Device for the transverse cutting of cellulose-pulp bands that comprises a first transverse-cut rotating roller (1) with at least a first cutter (2) and a second transverse-cut rotating roller (3) with at least one fixed cutter (4a) and at least one retractable cutter (4b); the cutters (2, 4a, 4b) being arranged in respective positions such that in the cutting position thereof they coincide, upon rotation of the rollers (1, 3) on a transverse-cut line perpendicular to the direction of forward movement of a cellulose-pulp band (5) moving between the rollers (1, 2); a retraction mechanism (6) that allows the retractable cutter (4b) to be moved between a cutting position, in which the retractable cutter projects radially from the outer surface of the second roller (3) as far as a cutting line, and a retracted position, in which the retractable cutter (4b) is radially retracted from said cutting line.

Abstract: Nonmetallic tools such as rotary bits, circular blades, and scything tools are described that may be suitable for removing cured flexibilized epoxy gap-filler materials from gaps between soft composite materials. The nonmetallic tools may be formed from various plastic or composite materials that are sufficiently hard to cut through the gap-filler material while being sufficiently soft to avoid damaging adjacent areas of soft composite materials. Methods for using the nonmetallic tools may include attaching the nonmetallic tools to a suitable machine-driven tool and contacting the nonmetallic tools to a material to be cut, shaped, or drilled.

Abstract: The present invention relates to an apparatus for manufacturing cut glass fibres, whereby the apparatus comprises at least one first cot wheel and at least one second cot wheel, a first cutter head and a second cutter head, whereby the apparatus is configured such that the apparatus is operable in at least one first operation mode in which at least one of the cot wheels and at least one of the cutter heads are capable to cut inline glass fibres from a yarn, preferably from an endless yarn.

Abstract: A slicer for cutting slices of elongated food products includes a machine housing and a slicing blade that is held by the machine housing. An electric slicing motor drives the slicing blade, and a control unit actuates the slicing motor using a pulse-width modulation, The control unit includes a microcontroller and a motor output stage. The microcontroller is configured to generate pulse-width-modulated control signals by varying at least one of an amplitude, a frequency or a pulse width of the control signals and to forward the control signals to the slicing motor.

Abstract: A rotary knife fixture for cutting vegetable products such as raw potatoes into spiral shapes. The knife fixture includes a ring-shaped blade holder driven rotatably within a hydraulic product flow path. The blade holder includes at least one cutting blade, wherein the blade is twisted from a generally longitudinally aligned center axis outwardly in opposite circumferential directions with a sharpened leading edge set at a desired pitch angle. By controlling the pitch angle of the blade in relation to the blade rotational speed and velocity at which the potato travels along the hydraulic flow path, the resultant spiral cut shape is selected. By using multiple cutting blades at known axially spaced positions and selecting the angular position of each cutting blade in succession, the number of spiral shapes cut from each potato is selected. The blades can have a nontextured straight-cut edge, or a textured crinkle-cut edge, or a combination.

Abstract: An electrode plate manufacturing apparatus of the present invention includes an original plate support portion that supports an original plate of an electrode plate coated with an electrode active material, a first cutting blade that forms a linear first cutting portion in the original plate, a first support substrate, which is arranged to face the original plate support portion, having the first cutting blade fixed thereto, a second cutting blade that forms a linear second cutting portion in the original plate, a second support substrate which is arranged to face the original plate support portion, having the second cutting blade fixed thereto, and a driving portion that drives the first and second support substrates, wherein, when the first support substrate is driven by the driving portion, the first cutting portion is formed by the first cutting blade.

Abstract: The present invention relates to a microtome (10) including a first shaft (12) which is arranged in a fixed position and capable of being driven by a handwheel and which has a first gear wheel (14) non-rotatably mounted thereon. The microtome (10) further includes a second shaft (16) which is arranged in a fixed position and has a second gear wheel (18) non-rotatably mounted thereon. The first gear wheel (14) and the second gear wheel (18) are coupled to each other via a transmission unit (20), so that the second shaft (16) can be driven by the first shaft (12). In a first position of the transmission unit (20), the two shafts (12, 16) are rotatable in the same direction, while in a second transmission position, they are rotatable in opposite directions.

Abstract: The invention relates to a blade for cutting food products, in particular sausages, comprising a cutter having two partial cutters disposed tapered toward each other in a curved surface. The invention further relates to a cutting device for cutting food products, having a blade and having a holder on which the blade is rotatably disposed. The cutting device is designed so that an end piece can be sliced off of a product, the longitudinal axis thereof being oriented substantially perpendicular to the axis of rotation of the blade, by a rotary motion of the blade. The invention further relates to a method for processing a food product.

Abstract: A blade driving device includes: a board including an optical path opening; first and second blades moving toward and away from the optical path opening; first and second transmitting portions driving the first and second blades; and first and second drive sources respectively driving the first and second transmitting portions, wherein the first and second transmitting portions respectively include first and second drive pins, and the first blade includes an engagement slot engaging one of the first and second drive pins and is attached to the first and the second transmitting portions to be roratable about the other of the first and second drive pins.

Abstract: An apparatus for slicing food products includes a product feed, at least one cutting blade which rotates about a blade axis and/or revolves about a center axis in planetary motion and to which at least one product to be sliced can be fed in a product feed direction and includes a blade holder to which the cutting blade can be attached. An adjustment device is provided by means of which the cutting blade is movable relative to the blade holder in an adjustment direction.

Abstract: An apparatus for slicing food products includes a product feed device, at least one cutting blade which rotates about a blade axis and/or revolves in a planetary motion about a center axis and to which at least one product to be sliced can be fed in a product feed direction and includes a blade holder for the cutting blade. Means are provided for producing a rotary movement of the cutting blade relative to the blade holder and for transforming the relative rotary movement into a linear movement of the cutting blade relative to the blade holder in an adjustment direction.

Abstract: A cutting wheel using knives with slice thickness gauging surfaces defining, with the knife cutting edges, a thickness dimension of sliced food products and a throat dimension measured perpendicular to the wheel cutting plane between each knife cutting edge and the terminal edge of the adjacent gauging surface, wherein the knives each have a single primary bevel extending practically tangent to the cutting plane on the side of the knife facing towards the cutting plane and a smooth transition area on the opposite side of the knife, and the ratio of throat dimension to slice thickness dimension is 1 to 1.7.

Abstract: A rotatable cutting tool unit of a tool assembly for a cutting machine that is used in conjunction with an associated method of cutting provides several novel aspects. The tool arrangement, which includes two tool units, includes first and second disk-shaped tools rotatable about an axis. The tools define maximum tool arrangement boundaries along the axis. A driving arrangement, at an axial location between the first and second tools, supports the first and second tools for rotation and transfers driving force. A radially outer periphery of the driving arrangement is at a radius less than a radius of a peripheral cutting edge portion of the first tool and less than a radius of a peripheral cutting edge portion of the second tool.

Abstract: A perforating apparatus for perforating a sheet. The apparatus includes a plurality of perforating assemblies. Each perforating assembly includes a perforating wheel, which is operatively coupled to a pneumatic cylinder, and a plurality of air hoses, wherein each pneumatic cylinder of each perforating assembly is operatively coupled to, and in flow communication with one air hose of the plurality of air hoses. Further each pneumatic cylinder is associated with an air muffler. And the apparatus includes a secondary roller that includes a peripheral wrap around the outer surface thereof.

Abstract: One aspect according to the present invention includes a cutting unit for a cutting device. The cutting unit has a gear chamber. A partitioning member can partition the gear chamber at a midpoint of a transmission path of rotation of a gear train from an electric motor to a spindle.

Abstract: A knife assembly (10) particularly adapted for coupling with an extruder barrel (26) is provided having a knife shaft (16) supporting a knife unit (14), with the knife shaft (16) axially rotatable and axially shiftable through fore and aft limits. The assembly (10) may be adjusted during operation without interrupting the axially rotation of shaft (16), using adjustment mechanism (24) located in a safely remote position from knife unit (14). The preferred assembly (10) includes axial shift limiting structure (114, 116, 124) serving to limit the extent of fore and aft axial movement of shaft (16). The mechanism (24) allows fine adjustment of the position of knife unit (14) relative to the extruder barrel (26), and also permits monitoring of the wear of knife unit (14).

Abstract: A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, so that the rotating cutting apparatus can be mounted to a drive shaft of machinery or secured to a cup that can be mounted to the drive shaft of machinery and driven by the machinery. The cutting blade holder can be made of a less expensive material, with only the cutting blade being made of higher-grade materials that maintains its cutting edge well. Additionally, in some arrangements of the present invention, the cutting blade may be sharpened on two sides so that the rotating cutting apparatus can be used for longer periods of time.

Abstract: In a method of making a cutter revolve along a circumference of a circle having an optional size to cut an adhesive tape into a circular shape of a predetermined size, the cutter is made revolve while being tilted to an inner circumferential side in the revolving direction of the circumference, and a cutting start point and a cutting end point in a cutting path of the cutter are made coincide with each other.

Abstract: The present invention pertains to an apparatus for continuously cutting different floor coverings to form a uniform seam between them. The apparatus is particularly suited for vinyl and linoleum tile floor coverings. The apparatus is secured to a floor at a reference point or along a reference path. The different floor coverings are each placed on one of the separate areas so that they each overlap and continuously cover a border mark. Cutting and heating devices are secured to the apparatus substantially the same distance from the reference point or path. A drive mechanism propels the apparatus at a desired rate of speed to move the cutting device along the specific path of travel over the border to continuously heat and cut the overlapping floor coverings to form a uniform lap seam between them.

Abstract: A knife for a cutting wheel provided to slice food products including a knife holder having a recessed portion located along a leading side thereof, a clamp secured to the knife holder, and a cutting blade mounted between the clamp and knife holder along the leading side of the knife holder. A replaceable insert member with a wear surface is positioned within the recess of the knife holder, and this insert member is contiguous with the cutting blade and protrudes from the knife holder to provide a substitute leading edge therefore in close apposition to the cutting blade.

Abstract: According to the present invention, in the field of packaging the chip component, increase in speed and stability in packaging the chip component is achieved without significantly increasing the cost of the device. The size of the suction face of the suction nozzle is set so as to be larger than the relevant chip component. Near the inserting position P of the chip component, a push cover is provided in close proximity to the upper surface of the carrier tape. A hole is provided in the push cover at the inserting position P, and the size of the hole is slightly larger than the size of the tip face of the suction nozzle. After the chip component held to the suction nozzle enters the component-accommodating recess of the carrier tape, the suction of the suction nozzle is released and the carrier tape starts to move in the direction shown with an arrow, orthogonal to the suction nozzle. The suction nozzle is raised after the opening of the component-accommodating recess is completely under the push cover.

Abstract: A die plate for an extruder is coupled directly to a fluid-driven motor on one side and to an extruder on the other side. Suitable fluid inlet and outlet passages are formed in the die plate to supply the motor with fluid and withdraw fluid. A cutter assembly includes a housing to receive the motor within and is coupled for rotation to an output shaft from the motor, so that in use blades mounted on the housing are caused to rotate into the path of extrudate and to sever it.

Abstract: A cutting method and apparatus (20) includes a rotary cutter (28) having an axial-direction (22), a radial-direction (24) and a circumferential-direction (26). The rotary cutter (28) includes a rotary shaft member (30) having an outer peripheral surface (32), and at least one knife member (36) joined to the shaft member (30). At least a portion of the knife member (36) extends axially along the shaft member (30) and extends radially outward from the shaft member. In a particular feature, at least one peripheral bearing member (40) and desirably, at least a cooperating pair of peripheral bearing members (40) can be joined to the rotary shaft member (30). At least an operative portion of each peripheral bearing member (40) extends radially outward from the shaft member (30) and extends circumferentially about the shaft member.

Abstract: A circle cutting machine includes a template that is removeably installed in the bottom of a base. On the base bottom surface are a number of segments that define respective grooves for receiving the template. The base has a cross-beam that defines an axis of rotation and that receives a handle. On one end of the handle is a crank. The handle second end holds a cutting arm. A handle spring biases the cutting arm to contact the cross-beam. The handle is slideable in the cross-beam to locate the cutting arm below the plane of the base bottom surface for easy removing of the cutting arm from the handle. An adjuster rigidly locks and resiliently unlocks the cutting arm to the handle. The template has a circular periphery that enters the base grooves, and a tab that is between two segments, when the template is installed.

Abstract: A cable stripper of the type typically used by an operator to remove the outer insulation layer from a coaxial cable having a ridged outer conductor such as that typically used in the telecommunications industry. The cable stripper includes unique stop devices that actually engage the stripped outer conductor so as to prevent removal of more than a predetermined length of the outer insulation and so as to present the distal end of the stripped cable for trimming so that the cable is properly prepared for use and installation.

Abstract: A band saw for sawing metal comprises a movable working assembly (1) comprising a band saw (18) and a drive for the band. The movable working assembly (1) comprises at least two power-driven wheels (16, 17) about which the band saw is trained, located on opposite sides of a passage for the metal to be sawed. This increases the drive surface applied to the band saw (18) while maintaining it under tension.

Abstract: This invention provides a new and more efficient drive system for a circular saw blade. The invention is comprised of a circular saw blade with a ring gear built into the blade. It is driven by a matching pinion gear. The invention provides a means to employ the typical cutting capabilities of a circular saw blade but with certain unique advantages. The ring and pinion drive allows for better balance in that the motor that drives the saw blade can be located at the rear of the saw blade, as opposed to the side of the blade as it is with conventional circular saws. This configuration also allows for greater cutting depth. The ring and pinion drive also allows for a smaller motor and a resulting lower cutting speed that, in turn, cuts down on dust emission.

Abstract: The present invention includes a trim station for trimming the flange of a container, an apparatus for trimming the flange of a container and a method of trimming the flange of a container. The trim station includes a rotating primary knife and a secondary knife mounted on a movable member, wherein the secondary knife is moved into a cutting position by advancing the movable member in a direction parallel to the axial direction of the container. The present invention also includes a spindle assembly and a container by process of trimming the flange of the container.

Abstract: A mail opener comprises a cutting device, the cutting device being movable between an operating position and a retracted position where it is inoperative, the position of the cutting device being controllable by a drive means controlled by the postage meter. The arrangement is such that a single post station can be provided for both franking mail and opening mail, the post station incorporating a safety measure to prevent newly franked outgoing mail from being inadvertently opened or damaged by the mail opener.

Abstract: A rotary cutter for cutting holes of various sizes in ceiling tile in connection with the installation of light fixtures. The cutter includes an enclosure which functions as a jig for receiving and accurately positioning tile members prior to the cutting operation. The lower portion of this enclosure functions as a waste receptacle following the cutting operation. A drive shaft turns a pair of arms bearing two cutter knives for rotation within the structure thus cutting holes in the ceiling tile. The cutting blades are biased upwards for returning to a non-cutting position upon completion of the cutting operation. The cutting knives are radially adjustable along the arm on which they are mounted. A conventional electric drill is mounted to the other end of the drive shaft for imparting rotary motion to the blade arm.

Abstract: A power transmitting structure for a band saw includes a first and a second shaft, and each of the two shafts has a plurality of gears engaged with each other so as to transmit a power of a motor with several sets of speed options. Each of the gears freely mounted to the second shaft has a notch defined in an inner periphery defining a central hole thereof. The second shaft has a third shaft movably received therein which is controlled by a control member connected to a knob. The third shaft has a pawl member pivotally disposed thereto in the second shaft which has a slot defined through a peripheral wall thereof so that the pawl member is selectably engaged with one of the notches. The second shaft has a toothed portion to engage with a rotating part to which a band saw member is connected.

Abstract: An apparatus for perforating corrugated tubing is disclosed. The apparatus receives tubing to be perforated along an axial path coincident with the axis of the tubing. A plurality of feeder-cutter wheels drive the tubing through the apparatus and concurrently perforate the tubing in the valley of its corrugations. Each feeder-cutter wheel, and the drive shaft each wheel is mounted upon, is offset at an angle relative to the axial path, this angling facilitating uniform perforations at higher speeds. An alternate embodiment of the apparatus has six feeder-cutter wheels disposed within four distinct planes. This design permits the wheels to be interchangeable with different wheels, allowing the apparatus to perforate tubing of different diameters. The alternate embodiment also offsets the wheels at an angle to facilitate perforation at high speeds than previously known in perforating apparatus.

Abstract: Apparatus for perforating corrugated tubing of large diameter is achieved by use of multiple cutters disposed within the threading on the feeder-cutter wheels. The apparatus receives tubing to be perforated along an axial path coincident with the axis of the tubing. A plurality of feeder-cutter wheels drive the tubing through the apparatus and concurrently perforate the tubing in the valley of its corrugations by virtue of a plurality of cutters disposed within the threading. These multiple cutters allow perforation of larger diameter tubing in the range of nine to twelve inches. Each feeder-cutter wheel, and the drive shaft each wheel is mounted upon, is offset at an angle relative to the axial path, this angulation facilitating uniform perforations at higher speeds. This design permits the wheels to be interchangeable with different wheels, allowing the apparatus to perforate tubing of different diameters.

Abstract: A mechanism is provided for circumscribing oval paths, wherein a pivotably mounted element is dynamically oriented so as to maintain a functional axis thereof constantly tangent to the circumscribed path. An orienting arm attached to the mounted element is arcuately reciprocated by an element moving unidirectionally in a circle, the direction of circular movement being opposite to that in which the mounted element proceeds.

Abstract: A device for cutting wire which includes at least one rotating knife supported on a rotating knife carrier and a counter-tool. The counter-tool includes a cutting blade rotating about a vertical first axis and having a central opening therethrough and adapted to receive the wire to be cut therethrough. The knife carrier is rotatingly supported about a second axis which is parallel with respect to the first axis, and the knife is guided along the cutting blade past the central opening to cut the wire thereat.

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 compass for sweeping an arc of a circle on a sheet of material comprises an annular base having a lower surface engageable with the material. A support member is rotatably supported on the base and a toolholder is mounted on the support member. The toolholder is moveable with the support and upon rotation of the support relative to the base, sweeps an arc of a circle. The toolholder has a toolpost to support a tool and permit movement of the tool relative to the support member in a direction generally normal to the sheet of material to facilitate movement of a tool mounted in the holder into and out of engagement with the sheet of material.

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

Abstract: This machine is of the type comprising a frame (1) supporting a hopper (2) for charging the products, a cutting plate, an ejection plate (6a, 6b) for ejecting the cut products disposed under the cutting plate (4), and a device (13) for driving in rotation the cutting plate and the ejection plate. According to the invention, the ejection plate is driven in rotation in a direction opposed to that of the cutting plate. Advantageously, the speed of rotation of the ejection plate is higher than that of the cutting plate.

Abstract: A cutting device for the hot granulation of thermoplastic polymers including a rotary driving shaft, a blade-carrying disc rigidly keyed on the driving shaft and blades not rigidly mounted on said disc and sliding on the cutting plate, each blade being paired to an opposing element which opposes any sudden action tending to move the blade away from the plate.This invention relates to a cutting device for the hot granulation of thermoplastic polymers.More in particular, the present invention relates to a cutting device for the hot granulation of thermoplastic polymers, in which cutting of polymer monofilaments leaving the die plate is accomplished directly on the face of said die plate.

Abstract: A rotary cutting assembly for cutting sheets of veneer as they are moving on a conveyor belt is provided. The rotary cutting assembly (10) includes at least one rotary blade assembly (12), a conveyor belt (20) for conveying material and acting as a cutting surface, a flexible flat platen (40) positioned under the inner surface (36) of the conveyor belt (20) in vertical alignment with the rotary blade assembly (12), and a backup roller (26) positioned above the rotary blade assembly (12). The rotary blade assembly (12) includes an elongated blade holder (64) with opposed sides (66 and 68) that taper outwardly to define opposed edges (70 and 72) having longitudinal channels (74 and 76). A clamping assembly (62) that includes a grooved clamp (84) and a tapered bar (86) securely clamps a blade (18) within each of the channels (74 and 76).

Abstract: A coding assembly specifically designed to encode in a non-obtrusive manner, contained packages disposed on the interior of a shipping or storage carton through the utilization of strategically placed pairs of penetrating pins of sufficient length and sharpness to pass through the outer shipping carton and into the plurality of packages contained therein. Relative positions of the pins of a plurality of pin pairs will define the position of the puncture aperture in the respective packages and in turn define one of a plurality of predetermined codes. A clear material template is disposed in overlying relation to the puncture apertures for purposes of decoding.

Abstract: A rotary cutter for cutting holes of various sizes in sheet material such as self-adhesive pads. The cutter includes a base to which a cover is pivotally mounted for movement between a lowered closed position where it overlies the base and a raised open position. The cover has upstanding side walls defining a cavity between the roof of the cover and the upper surface of the base. A blade carried by a blade arm rotates within the cavity for cutting holes in sheet material carried on the base. The blade arm is adjustably secured to one end of a shaft extending into the cavity which is journaled in a bearing sleeve in the roof of the cover permitting rotary as well as axial movement permitting the blade to be pressed downwardly to the sheet material during rotary cutting operations. A crank arm is mounted to the other end of the rotor shaft for imparting rotary motion to the blade arm.

Abstract: An improved apparatus for and a method of trimming an outwardly directed flange at the end of a metal container body and severing the ring of scrap removed employs two substantially semicircular concave cutters supported for rotation about spaced parallel axes disposed substantially in the plane of the flange to be trimmed and driven for rotation about their respective axes to engage the flange substantially simultaneously to sever the scrap ring around substantially the entire periphery of the container. The ring of scrap is cut into four pieces either by initially die-cutting or otherwise removing segments from opposed sides of the flange tangent to the trim line prior to engagement by the rotating arcuate cutters or alternatively, the arcuate cutters may sever the scrap as a complete ring and sever the ring into pieces upon continued movement in their arcuate paths past a stationary clipper block spaced below the container flange.

Abstract: A French fry rotary cutter tool is provided for use in food processors having a hub removably engageable with the drive means of the food processor and a disc-like member secured to the hub having an opening extending from a region near the hub to a region near the periphery with an elevated portion located behind the opening. A cutting structure is positioned in the opening for producing multiple, elongated rectangular cuts in food applied thereto which pass through the opening into the bowl of the processor. The cutting structure is formed of a continuous strip of blade metal bent into a rectangular-wave shape having alternating, spaced flat, lower and lower portions which are secured, respectively, to the underside and elevated portions of the disc-like member. The bent strip defines a plurality of spaced, parallel blades which have a square-wave appearance.

Abstract: An adjustable slicing blade assembly comprises basically a slicing or spacer disk having a centrally disposed circular opening, a cylindrical flange extending from the under side of the spacer disk and surrounding the circular opening, and a rotatable shaft axially movable within the cylindrical flange and through the circular opening and having a slicing blade extending radially from its upper end. Appropriate mechanism is provided to locate the spacer disk and the shaft in a given position with respect to each other. Associated with the shaft and cooperating with such locating mechanism is an arrangement for maintaining such given position and also varying the same and thereby the separation between the slicing blade and the spacer disk.

Abstract: The cutting action in a rotary slicer is provided by a pair of circular disc blades, which are mounted in apertures in a circular plate, which is rotated within an outer casing. The plate rotates adjacent a feeding chute at one side of the casing and the depth of the slice is adjusted by varying the distance of the blade in front of the circular plate. The cut slices pass between the blades and apertures into the rear of the casing, which discharges them downwardly. The blades are mounted on a lobular bracket supported on a central shaft in a fixed longitudinal position. The depth of cut is varied by moving the apertured plate back and forth along the shaft to a position governed by a C-shaped stop ring with a calibrated shaft extending outwardly from the rear shaft bearing. The plate is detachably secured to the shaft by a thumb screw accessible through an ample cut-out in the top of the rear casing.

Abstract: An improved envelope opener comprising first, second and third shear stations for shearing three edges of an envelope in sequence one edge at a time. Each shear station sequentially aligns the envelope by contacting the edge to be sheared, shears the contacted edge, and then releases the envelope. Each shear station includes a self-sharpening and self-aligning anvil assembly comprising a pivotable anvil which is spring-urged to an adjustable home position. The home position of the anvil is adjusted by means of a rotatable eccentric stop. During a shearing operation, the anvil is pivoted away from and then back towards the home position. An overly thick envelope will keep the anvil pivoted away from the home position to avoid a jam condition at the shear station. A peel back station downstream of the last shear station peels back the top panel of the envelope to expose the contents thereof.

Abstract: A hydraulically operated attachment for machine tools in which there is a gear drive between a rotary cutting tool and a rotary hydraulic motor. The rotation axes of the hydraulic motor, gears and cutting tool are parallel to each other for providing a compact arrangement that permits operation of the cutting tool on the work piece close to the collet that supports and rotates the latter.