Abstract: A chain cable in which each link is characterised by being formed from a bar .[.bent into a.]. .Iadd.of .Iaddend.U-shape bridged at the extremities by a cylindrical pin of length substantially equal to its diameter which mates under load with the U-shaped bar of a next adjacent link to give a substantial bearing area between links so that bearing failure may be eliminated as a first-occurring manner of failure of the chain cable when it is subjected to a tensile load.

Abstract: A method and apparatus for engraving characters by the use of numerically controlled machine tools. The characters are engraved by moving a first machine tool about the outline of the desired character. Where the character has inside corners, a second numerically controlled machine tool is moved about the outline at the inside corner at a plurality of depths to reduce the radius of the curvature at the inside corner.

Abstract: A baler having an improved hydraulically driven toggle mechanism for operating a baler pressing platen, improved bale ejector, and improved baler door latch. The toggle mechanism includes opposed pairs of first and second arms .Iadd.foldably joined together at their ends with their other respective ends joined to a pressing box and a pressing platen. The opposed sets of arms are mutually oriented so that as the platen is moved to a withdrawn position, the first and second arms of one set interfold compactly and without interference across the respective first and second arms of the opposed set .Iaddend. .[.and second arms, each first arm of which is a generally C-shaped bell crank arm. The first arms are connected.]. to provide a pressing mechanism which is compact but nonetheless has a long pressing stroke to facilitate production of a large bale in only a few pressing strokes.

Abstract: A versatile coin controlled circuit for use in vending and other coin operated machines, said circuit including relatively simple means for establishing a vend price and for simultaneously controlling the amount refunded for each deposit in excess of the vend price. The subject improved control circuit also includes novel logic circuitry operable under control of coin actuated switches, .[.novel means.]. .Iadd.a novel accumulator circuit .Iaddend.for accumulating amounts deposited including use of integrated circuits, .[.novel means.]. .Iadd.a novel timing circuit .Iaddend.for timing certain circuit and machine operations, and novel circuitry in the input, vending, and change pay-out portions of the circuit. The subject circuit represents a new generation of coin controlled circuits and is simpler and more compact than known circuits used for the same or similar purposes, and it contains far fewer parts and components.

Abstract: The specification describes a valve assembly for and a method of manufacturing a pressurized spraying container. The body of the valve is provided with an external tubular extension or sleeve in which is temporarily located the valve member. The sleeve is used to guide fluid under pressure into the container and may also be used during the blow molding of the container. When the container is filled, the valve member is forced through the sleeve into engagement with its valve seat, where it is retained by an already positioned spring, and the sleeve is detached.

Abstract: The invention relates to an X- and Gamma-ray sensitive image intensification tube for use in a so-called gamma camera or the like, which tube preferably has a single crystal input phosphor.

Abstract: The invention discloses various embodiments of an ultrasonic kit adapted to be used in the home or for industrial purposes, as well as a variety of ultrasonic motor constructions and ultrasonic converter designs to be used either individually or in combination with each other. The ultrasonic motor is generally of a piezoelectric material having a removable tip or of a design in which the complete motor is contained in a housing, which housing has electrical contact means adapted to be plugged into an adapter which, in turn, is connected to a converter. The motor may be designed such that frequency sensing is provided therein and the feedback signal is utilized by the generator to adjust itself thereto.

Abstract: A fluid-filled amplifier cell for laser generation comprises an elongated housing wherein at least one end contains, within the cell, a window supported at the Brewster angle and wherein such end is plugged with a mirror.

Abstract: A condition responsive circuit for generating an output signal upon the opening of a switch. An FET draws nominal current when the switch is closed. When the switch is opened the FET conducts to generate an output. The output may include an audio alarm, an oscillator and a transmitter to generate an alarm at a distant location, or a visual indicator.

Abstract: A safety helmet for vehicular use constructed of two superimposed shells to take advantage of the physical properties of each of the materials for the shells and cancel out any disadvantages. The shells preferably are constructed of different plastic materials such as a fiberglass reinforced plastic and a tough plastic such as a polycarbonate.

Abstract: A helmet visor to be attached to the front of a crash helmet to protect the user's face and comprising a stiff support comprising a curved transparent plate covered by an antifriction layer and a movable film material extending across the user's field of sight. A supply roll of the movable film is rotationally mounted at one side edge portion of the support and a continuously or intermittently driven take-up roll is mounted at the other side edge portion of the support. When the film section within the user's field of sight has received sight restricting deposits the user actuates the driven take-up roll to draw the dirty film section out of the field of sight and introduce a fresh film section into the field of sight.

Abstract: A disposable rain garment, adaptable to be dispensed from a continuous sheet which is storable on a roller, prior to use.The garment is formed of a double layer of waterproof material such as plastic sheeting, and pre-cut to form leg sections and arm sections, with a hood section which encloses the wearer's shoulders and head. Each leg section is fitted with straps at the bottom ends so as to tie about the undersoles of the shoes of the wearer.The garment may be dispensed from rollers hung in stores immediately prior to and during a rainstorm, and the garment is readily disposed of after the need has passed.

Abstract: A method of tying a necktie of a modified four-in-hand type and having a narrower portion to go around the neck of the wearer and a wider portion to hang down the front of the wearer and at least two small openings through the necktie spaced lengthwise thereof and bound, as with grommets, near the zone where the knot would appear in a regular four-in-hand tie. The narrower end of the tie passes through the openings with a snug sliding fit. In use of the method, the narrow end of the tie is threaded up and down through the openings, after which the narrower end of the tie is tightened by pulling the narrow end more or less through the openings, after which the wider end of the tie is brought upwardly through the loop on the side toward the neck of the wearer and then forwardly over and down to hang in display fashion in front of the wearer.

Abstract: An endoprosthetic replacement for the metacarpophalangeal joint has two components, each with a rounded bearing body and integrally projecting intramedullary stem. The metacarpal component body provides two concave grooves separated by a concave rib, and the phalangeal component body provides two convex ribs and a convex groove, these ribs and grooves intermeshing for component engagement. The concave and convex configurations respectively subtend angles less and greater than 180.degree. to allow longitudinal sliding, and the convex groove widens towards one end to allow lateral rocking. The stems lie in the planes of their grooves and ribs, but are respectively inclined and parallel to the arcuate bisectors of such configurations. This allows the central rib and groove to limit the sliding abutment at their ends, with the stems parallel at one limit and angled at the other.

Abstract: A prosthetic bone joint device, developed initially for the knee but applicable to other joints, has first and second components each with a laterally-spaced pair of respectively convex and concave bearing surfaces, and each with a seating surface bridging the respective bearing surfaces, the seating surface being of V-shaped profile longitudinally of the component. The components are disposed with their bearing surfaces in mutual articulatory engagement, and with the V-apices of their seating surfaces in closely-spaced parallel relation, and have at least two elongate flexible linkage members extending with their opposite ends connected to respectively different ones of the components in a crossed configuration seated on the seating surfaces.

Abstract: The amount of water used in evacuating the bowl of a water closet is substantially reduced by an auxiliary device that is installed in the conventional closet water tank and which forms an open ended column around the valve so that water stored in the base of the tank and around the column is prevented from being discharged during flushing.

Abstract: Apparatus for disinfection and chemical purification of toilet bowls, comprising a storage container spaced from the bowl and containing a purifying and disinfecting liquid, and a valve capsule mounted in the cavity of the bowl edge near the water inlet opening of the bowl. The valve capsule is provided with a check valve and a flap actuated by the flush flow so as to open the check valve under the pressure of the flush flow. Fluid conveying means is provided for feeding the disinfecting and purifying liquid to the valve capsule from the storage container.

Abstract: A whirlpool jet for bathtubs having a water outlet extending through a circular opening in the bathtub wall and threadedly connected to a housing. The outlet has an annular radial flange abutting against the inside of the bathtub wall. The flange has a pair of diametrically spaced openings for use in rotating the water outlet in mounting the jet on a bathtub by using a circular wrench having a pair of pins which fit within the openings. The periphery of the wrench has knurling for manually rotating the wrench and a square central opening for receiving the square head of a driving tool. A jet outlet control which is rotatably mounted within the outlet has a concave area surrounding the inner end of a water passage in all rotational positions of the control, so that the water flow into the passage is constant. An extension for poured concrete installations is adapted to protrude beyond the edge of the concrete, the protruding portion being discardable.

Abstract: A bed-making device is operative to automatically prepare a bed for use by removing a bedspread from a top surface of a mattress and placing a bottom sheet and top sheet and a pillow or pillows on the top surface of the mattress and to remove same and replace the bedspread on the top surface of the mattress when the bed is not in use. The bed-making device includes a support structure having a head chamber and a foot chamber positioned adjacent respective ends of the mattress. A first or head roller is positioned in the head chamber and a second or foot roller is positioned in the foot chamber. A web is in sliding engagement with a top surface of the mattress and is operably associated with the head and foot rollers.

Abstract: A limb support and the like is formed from a block of polyurethane foam having resilient characteristics, capable of permitting the passage of air and being of such configuration as to include a continuous open topped arcuate groove extending longitudinally along the length of the block for receiving, cradling and resiliently gripping the limb of a hospitalized patient to avoid rotation of the limb supported thereby.

Abstract: An adjustable head and shoulder rest is disclosed which is intended primarily for supporting the upper body while lying face down with the head vertically positioned or turned to either the left or right side to any degree up to approximately forty five degrees. A head or face rest consisting of either two or three separate members providing a variation of open areas for the eyes, nose and mouth, together with movable right and left shoulder support members permitting adjustment to differing body dimensions and allowing proper weight distribution, ease of unrestricted breathing and body comfort.

Abstract: A combination tool of the plier type which includes a screwdriving blade at one plier jaw point and wrench means presenting a smooth pressing surface at the end of both of the arms connected to the screw-driving blade. The other arm of the plier may be held at a right angle and serves as a lever arm when the tool is used for driving or loosening screws. The wrench means may be a pair of coaxially aligned different sized box wrenches formed unitarily, or a unitarily formed pair of open wrenches opening to the side and may be formed at the ends of each plier arm to provide four different sized wrenches.

Abstract: There is provided a brushing apparatus useful for cleaning of PC Cards, comprising at least one pair of coaxially arranged brushes. The brushes are rotated and the bristle surfaces of a pair of brushes face each other. The PC cards are fed in a plane between the opposing brushes. The pairs of brushes may be arranged in one or more rows. In the case of one row, the row may extend at an angle to the transport direction of the PC cards. In the case of two parallel rows, the pairs of brushes of one row may be displaced longitudinally half a brush diameter, relative to the pairs of brushes of the other row.

Abstract: A cleaning device for heat exchanger tubes comprising a rubbing body consisting of a hollow casing member of elastomeric material with diametrical openings, and an encased check ball. A thickened band extends intermediately around the casing member for rubbing against the tube wall and is provided with slots enhancing the flexibility of the band. The overall density of the device approximates that of the liquid with which it is to be used.

Abstract: A battery post and terminal cleaner includes a hollow base with a hollow mandrel in the base with a space around the mandrel. A scraper element is disposed in the space between the mandrel and the outer surface of the base. The outer portion of the base houses the scraper blade. A reamer extends from and above the base and a cap is provided removably connected to the base and covers the reamer. The cap has a ribbed surface to provide a friction surface which is engaged by the hand for operating the scraper. The base is ribbed and provides a friction surface for the hand when the cap is removed, for performing a reaming operation.

Abstract: A mop wringer for cotton and like mops, the wringer being a tubular member adapted to slide on the mop handle, and having a pair of rollers mounted in inclined slots at the lower end of the tubular member so that as the tubular member is moved downwardly up over the mop the rollers engage the mop to roll thereon and move along the slots so that the rollers move towards each other to squeeze the liquid from the mop.

Abstract: Apparatus for drawing liquid by suction from a surface and into a reservoir including intake and exhaust conduits communicating with the reservoir. The intake conduit has an inner end which is shaped to provide a continuous change in the path of flow of the liquid flowing therethrough to thereby avoid impact of the liquid with adjacent structure and thereby minimize aeration of the liquid. The apparatus can be in the form of an attachment for a conventional vacuum cleaner or can be self-contained. It is constructed to provide assurance that the suction force produced is such as to prevent liquid from passing out of the reservoir through the exhaust conduit.

Abstract: A self-propelled pipe cleaner uses a body shaped to conform to the inside of a pipe with the axial extent of the body covered with a bristle pile material extending outward from the body to engage the inside of the pipe. The pile has resilient bristles uniformly inclined rearwardly relative to a forward direction of motion of the body. A vibrator is mounted within the body and energized for vibrating the body reciprocally and axially so the bristles engaging the inside of the pipe move the cleaner forward through the pipe for cleaning the pipe.

Abstract: The embodiment of the invention disclosed herein is directed to a door stop assembly for a bidirectional swinging door to permit opening the door in a first direction during normal use and to permit selective opening of the door in a second direction during an emergency. The stop is employed in an assembly which includes a face or strike plate having an opening for receipt of a strike member, a housing formed on one side thereof, all adapted to be set in a mortise of a door frame. The door stop assembly has a floating body member which moves linearly inwardly into the housing and then engages the back wall thereof and rocks about a sloping inclined surface of the body portion so that the stop engaging surface of the stop assembly is displaced from engagement with the door, thereby permitting the door to be opened in the opposite direction of its normal use.

Abstract: A machine designed to automatically section poultry breast members by means of reciprocally operated rotating circular knife blades which respectively engage and selectively section a poultry breast member indexed to and clampably held in cutting position at the respectively selective knife stations in one of three ways; a two-way cut comprised of a single longitudinal severing of a poultry breast member into two halves, or a three-way cut comprised of an initial keel cut of the breast member at one knife station followed by a longitudinal severing into halves of the remainder of the poultry breast member at another knife station, or a four-way cut comprised of an initial transverse severing of the poultry breast member followed by a longitudinal cut at yet another knife station of the two laterally severed breast member sections into halves.

Abstract: In accordance with the invention, the breaking and stretching machines have pressure heads, each one being essentially constituted by two opposed complexes, upper and lower, each one of which includes at least two transmission chains of the Renold type which are meshed with two chain pinions (double, triple, etc) fitted on two strong parallel shafts that are supported by appropriate bearings attached to the lateral elements of the machine bedplate; those corresponding to the lower complex are fixed, while those corresponding to the upper complex are moveable, so that the latter complex may adopt, with respect to the other complex, two limiting positions; one of separation, which permits the introduction of the layer of fibres, and the other, where the elements approach one another, to be utilized during the work and in which the pressure can be adjusted.

Abstract: An improvement in a process for preparing a tampon having a withdrawal string or tape positioned against the withdrawal end of the tampon, the improvement comprising forming the tampon body by winding a batting material strip to which is attached a withdrawal string or tape while maintaining said string or tape disposed away from said material strip and in containing it coaxial with respect to the roll axis of the batting material strip disposing the same in a cavity disposed at the withdrawal end of the so formed tampon.

Abstract: A device for removing and collecting together a fiber web emerging from a card or the like comprises power driven transport means placed immediately downstream in the direction of travel of the web from the delivery device, and constituting a transport surface crossing the plane of the fiber web and adapted to produce a transport movement of the fiber web material emerging from the delivery device across the width of the web toward the center forming a sliver.

Abstract: A stringer for a slide fastener has a continuous filamentary coupling element attached to an edge of a tape with a pair of spaced elongated members, such as textile cords, interposed between and secured to leg portions of each section of the coupling element. The spaced pair of elongated members provide stability to the continuous coupling element.

Abstract: A clamping device for a protective device mounted on a headgear comprising a clamp member connected to the protective device, a U-shaped receiving portion formed at the lower side of the clamp member for receiving the lower edge of the headgear, at least one clamp screw provided on the clamp member opposite to the receiving portion, a nose formed at the end of the clamp screw and enclosed with a convexly-curved surface, and a hollow presser loosely connected to said clamp screw and enclosing said nose.

Abstract: A clamp for a plastic coated optical fibre comprises a tubular portion which is a fairly close sliding fit on the coated fibre and an axially split portion having at least one resilient axially deformable finger. The dimension across the split section is slightly larger than across the other portion. An axially split sleeve is axially slidable on the clamp, and is freely slidable along the tubular portion on to the slit portion. Sliding of the sleeve on to the slit section deforms the finger into gripping contact with the fibre coating and also expands the sleeve. This provides a "backing up" force and also accommodates variations in diameter of coated fibre. More than one finger can be provided, and serrations or other formations can be provided on the fingers.

Abstract: Textured yarn filaments having predetermined texture development characteristics are combined with other textured yarn filaments having different crimp development characteristics. A yarn made by such a process in which those filaments having lesser crimp development lie generally toward the outside of the yarn. Non-rowy carpeting is made by tufting or weaving this yarn into a backing and then further developing the crimp. Apparatus for making such yarn including means for simultaneously heating and producing different crimp development characteristics in two or more ends of yarn.

Abstract: An improved stuffer box crimper and a process employing such apparatus, the process involving feeding a tow of parallel filaments in the form of a sheet of constant thickness into a stuffer box crimper in which a primary crimp is imparted to the filaments by controlling the pressure against which the tow is delivered to the stuffer box and the secondary crimp is imparted to filaments by adjusting the denier per inch width at which the tow is delivered to the stuffer box, the imparted crimp being heat set by heating with a fluid while the tow is in the stuffer box.

Abstract: An accessory for riveting machines, replacing the conventional lower anvil, which permits both the top and bottom exposed surfaces of a laminated assembly to be countersunk and flush riveted. It includes a selectively and sequentially engageable sheet clamping means, countersinking means, rivet anvil, and rivet squeezing means.

Abstract: An automatic lathe wherein the carriage for an indexible tool turret is biased against a stop and can be moved toward the work spindle by a rotary cam which is driven by a hydraulic motor and is arrested by a hydraulic brake when the carriage reaches a selected position. The motor is automatically decelerated to crawling speed prior to complete stoppage of the cam and the brake is applied subsequent to deceleration of the motor and simultaneously with opening of an arresting valve which connects the supply and return conduits for the motor. The supply conduit continues to receive some pressurized fluid while the motor is at a standstill. Abrupt acceleration of the motor is prevented by maintaining the arresting valve in open position after a motor valve increases the rate of fluid flow from a pump to the supply conduit and by closing the arresting valve simultaneously with disengagement of the brake.

Abstract: A broaching tool is described having an elongated tool body with a plurality of spaced ribs disposed generally transverse to the longitudinal body axis. Each such rib defines a substantially circular arc of at least 45.degree.. A plurality of cylindrical cutter discs are mounted along each rib, each disc being positioned with its longitudinal axis disposed within 1.degree.-15.degree. of coincidence with the longitudinal axis of the body. Each disc has an end face providing a cutting edge disposed about the periphery of the end face. The discs along each arcuate row are circumferentially staggered with respect to the discs of the next adjacent rib with each disc projecting beyond the outer face of the rib and being rotatably indexable about its axis to bring successive cutting portions into cutting positions.

Abstract: This invention is the method and apparatus for locking an indexable replaceable cutting tool insert into a cutting tool holder using a tilting pin type device consisting of a threaded pin with spheroidal surfaces which lock the insert into an insert pocket of any geometrical shape common to industry.

Abstract: A cylindrical rotary cutting head rotatable about a longitudinal axis having a plurality of helical slots in which a plurality of bits carrying cutting edges are retained in the lateral direction by means of set screws which bear against a "V" groove in an inclined face of the bit and in the vertical direction by plurality of cooperating serrations on an opposite face of the bit and in one slot wall.

Abstract: The invention pertains to the field of cutting tools having indexable replaceable cutting inserts and comprises novel means for locating and locking the individual inserts in place with assurance that the inserts are accurately positioned and firmly held with particular advantage in simplicity and economy of construction. The locking means comprise fastening means engaging the tool body and engaging an extended slidable insert bottom seat anvil such that upon actuation the bottom seat anvil is drawn axially, radially and circumferentially relative to the tool body thereby simultaneously drawing the cutting insert retained on the bottom seat anvil into tight engagement with two insert side locating surfaces formed on the tool body and drawing the bottom seat anvil into tight engagement with the tool body.

Abstract: A termination tool for simultaneously attaching "tip and ring" conductors to adjacent bifurcated electrical terminals on a multiple-terminal block. The multi-conductor termination tool picks up a pair of separate conductors, seats them in adjacent electrical terminals, and cuts the wire on one side of each terminal. The tool has a handle containing an impact device which provides an impulse to a tool termination head adapted to receive the adjacent electrical terminals. The termination head partially seats the conductors in the bifurcated terminals with an initial downward force applied to the handle. The complete conductor seating in the terminals and cutting of the conductors on one side of the terminals is accomplished by the impulse delivered by the impact device.

Abstract: A tool for inserting either single loose pins or a plurality of pins or posts carried upon a mounting strip into holes of a substrate, such as a printed circuit board, in a continuous process and including a push blade and a carrier control blade for receiving the pins and the mounting strip which are carried upon a mounting frame. A plurality of ribs protrude upwardly from the push blade, forming grooves therebetween into which the pins to be aligned for insertion are positioned. A slideable, securing blade, carried upon the mounting frame, is moveable from a position away from the pins to a position engaging the pins to secure them in their aligned positions. A locking mechanism on the securing blade cooperates with the mounting frame to lock the securing blade in the engaging position.

Abstract: A fastener installation head having a nut receiving passage, a transverse plunger passage, a plunger reciprocating in the plunger passage through the intersection of the passages and a guide means for the nuts in the plunger passage. The guide means includes a pair of parallel rails generally in the plane of the nut supporting surface of the nut passage, supporting a nut beneath the plunger. The rails are resiliently biased to support the nut until impact by the plunger. Further, a resilient pad parallel to the reciprocating axis of the plunger is provided to guide the nut through the plunger passage.

Abstract: A fastener installation head having a nut receiving passage, a transverse plunger passage having a reciprocating plunger therein, a feed means feeding nuts from the nut passage to the plunger passage and a stop means preventing nuts from entering the plunger passage except upon actuation of the feed means. The stop means comprising two parallel cylindrical posts located on opposite sides of the nut passage at the intersection of the passages. The cylindrical posts being resiliently biased into the fastener receiving passage and normally preventing fasteners from entering the plunger passage except upon actuation of the feed means.

Abstract: A device for maintaining a laterally expanded elastomeric sleeve, or the like, in a laterally expanded condition, and for progressively permitting the sleeve to contract onto a member within the sleeve, such as a cable splice and the cable ends on opposite sides of the splice.

Abstract: An apparatus for removing taper lock bolts from aircraft wings having a lever arm and a bolt which acts as a fulcrum for the lever. The fulcrum bolt is attached to the aircraft wing by means of a taper lock bolt which is adjacent to the taper lock bolt to be removed. The lever arm is operated by a pull rod which passes through a hole in the wing. A commercially available porta power tool provides an upward force on the pull rod to turn the lever arm around the fulcrum bolt to apply a downward force on the taper lock bolt to be removed.