Abstract: This invention pertains to machines for installing tapped nuts, studs, or the like machine parts, whether or not having their outer surface provided with thread, knurling or similar profiles, which are to be pressed into corresponding cavities provided in a work piece, usually made of a material softer than the material of the said machine parts.

Abstract: An apparatus for joining two abutting metal members together by lancing and forming a part of one member through an unblanked part of the other member and thereafter staking the lanced and formed part of the one member to an adjacent surface of the other member to secure the members together in abutting relation, the apparatus having a single reciprocating head provided with a first section that performs the lancing and forming step on a first stroke of the head and provided with a second section that performs the staking step on a second stroke thereof.

Abstract: An improved front opening holster including depending enclosed spring members extending along the edges of the front closing. The spring members have free ends and are operatively secured together by a retainer in the completed holster but relatively movable during manufacture to facilitate production.The body includes an elongated stiffening member providing attachment point for a belt loop and defines a cylinder cup shape as well.The belt loop includes a stiffening member and a distortable spacer and tightening means to expand and contract the spacer to selectively engage or release the belt to afford both free movement and fixed engagement with the wearer's belt.The hammer of a handgun positioned in the holster is covered by an overlying strap. A thumb strap with a selective direction release fastener engages the overlying strap in a recess between the handgun and the belt loop.A novel method for producing a spring closed holster, particularly the spring assembly, is disclosed.

Abstract: The invention provides a novel method of manufacturing a sacrificial anode rod assembly for cathodically protecting the internal surfaces of ferrous metal water-containing vessels, such as water heater tanks, which method provides an elongated anode rod member of a galvanically active metal and an externally threaded cap member wherein the anode rod member and cap member are connected in a tightly locked, leakproof engagement which not only results in superior mechanical and electrical properties of the anode assembly but also aids substantially in prolonging the effective life of the anode rod assembly. In the method of forming the assembly, the cap member which has an internal recess is positioned onto the extremity of the anode rod and axially aligned therewith.

Abstract: An automatic article working system particularly suitable for limited production of a variety of articles. The system comprises a plurality of pallets for loading articles to be worked, each of the pallets being used as a member for conveying the articles to be worked between machine, tools, pallet conveyor means, pallet storing means located on both sides of the pallet conveyor means, and pallet transfer means adapted to move a pallet in and out of the pallet storing means. A plurality of machine tools are adapted to work the articles, and manipulators are provided to convey the articles to be worked from a pallet which has been removed from the storage means to the machine tools and to return worked articles back to the pallet. A computer is operatively connected to all of the means to effect control thereof.

Abstract: A plastic impregnation header has two holes through which two leads of a dry electrolytic capacitor section are threaded. The header is seated against the section. The header has a tubular portion extending away from the section. The section is dip coated in an epoxy resin mixture so as to encapsulate the section, a portion of the extending leads and the header. After curing the encapsulant, the section is impregnated with a liquid electrolyte through the tube and the tube is sealed closed.

Abstract: Processes for manufacturing two-phase charge coupled devices (CCDs) having marginally overlapping phase electrodes and utilizing a single insulating material. Offset self-alignment techniques are used to achieve accurate location of ion implanted potential well or potential barrier regions to achieve the required asymmetry of potential wells (or threshold voltages) in each gate region of the CCD with small bit or charge storage element sizes leading to structures having a high packing density. Fabrication of surface and buried channel structures is described.

Abstract: Integrated circuit having a guard ring Schottky barrier diode therein in which first and second layers of metallization are provided overlying the Schottky barrier diode which are brought into intimate contact with the interconnect surface to establish intimate contact between the surface of the semiconductor body and the metallization.

Abstract: In manufacturing an electric motor commutator which includes a cylindrical insulator having an axial bore for receiving the shaft of an electric motor, and a plurality of segments of commutator metal, such as, copper, extending about the outer circumferential surface of the insulator and being spaced apart by axially extending slots opening radially outward from the insulator between confronting surfaces of adjacent segments; the circumferential surfaces of the segments are shielded, as by plating the same with a metal other than the commutator metal, such as, silver, nickel, tin or zinc, or by coating such circumferential surfaces with a paint, whereupon, the resulting commutator assembly is oxidized so that only the confronting surfaces of the segments between which the slots are defined are covered with insulating layers of copper oxide, and then the shielding, along with any oxide that may have been formed thereon, is removed from the circumferential surfaces of the segments for exposing the copper or oth

Abstract: A miniature cell 0.1 inch diameter, and 0.75 long using lithium/sulphur dioxide electrolyte complex; and the method of preparing it.

Abstract: Method of making at least two different electrical interconnections with at least two wires extending from windings supported on a dynamoelectric machine core. The method includes moving the core, windings, and at least two wires toward a wire connecting device; orienting and positioning a first one of the at least two wires relative to the device; and thereby conditioning the device to establish a first one of at least two different connection configurations. A first electrical interconnection involving a first wire and having a first connection configuration is formed. A second winding lead then is oriented and positioned relative to the device, thereby to condition the device to form an interconnection having a second connection configuration, and such interconnection is made.

Abstract: A compact, hand operated syringe destroyer for severing the needle and its hub from the barrel of an associated syringe and a cannister for collecting a quantity of such severed needles. When filled, the cannister is easily closed and discarded.

Abstract: Apparatus for cutting, trimming, and edging vegetation, and the like, is provided with a rotatable disc-like head having a plurality of string-like cutting members removably attached thereto and extending from its periphery for cutting adjacent vegetation and the like. Metallic bearing surfaces and a viscous lubricant are provided forreducing the breakage rate of the cutting members by reducing friction between points of contact between the cutting members and portions of the rotatable head and between adjacent portions of the cutting members themselves.

Abstract: The invention concerns a device for trim patterning furs with a group of knife blades, arranged at equal intervals next to each other and aligned parallel to each other, whose cuts run acute-angled to the leather back side of the material surface, with a convex slot plate opposite the material surface displaying a pass-through slot for each knife blade, and with an adjustment arrangement for establishing a desired projecting length for the knife blades above the convex side of the slot plate.

Abstract: A shear foil for a dry shaver has a flexible sheet material body a central portion of which is provided with holes of a diameter between substantially 0.3 and 0.7 millimeters for the passage of beard stubble, and peripheral portions of which serve as mounting portions and are provided with holes of a diameter smaller than those in the central portion but not less than substantially 0.02 millimeters. The holes in the respective portions are separated by sheet material strips whose dimensions are so selected that the bending resistance of the shear foil body is substantially uniform throughout and that the portions of the body can withstand the maximum expected tensile and pressure forces.

Abstract: A filament-bearing plate or disk system for cutting grass and the like in which the filament is wound upon later-closed serrations in the disk periphery rather than passed through a succession of holes in the disk periphery; embodiments of the invention have respectively resilient, malleably deformable, and rotationally positionable aperture closing, and a ring closure.

Abstract: A dental apparatus wherein dental models are detachably assembled with an articulator in a repeatable relationship by the use of improved dental model attachment members and articulator means affording greater and easier working access to the models and facilitating positioning and manipulation thereof.

Abstract: An instrument, especially useful in the field of dentistry by virtue of its shape, size, and construction, adapted for example for severing ends from threaded retention pins which have been inserted intra-coronally in natural teeth to aid in retentively adhering tooth restoration material to a tooth being repaired, and operable subsequent to such severance to positively contain a severed end for facile removal thereof from a patient's mouth. The instrument has additional uses in, as one example, the field of intra-oral surgery of a type that includes utilization of wire arch bars in a procedure to immobilize a patient's jaws, where jaw fracture exists, and after placement and affixation, wire ends can be severed and retained by the instrument for removal from the mouth of the patient. The instrument can also be used in the field of orthodontics to, for example, trim or cut wire ends and remove the so-severed wire ends.

Abstract: A dental instrument for pressing down fillings of amalgam or a different tooth filling material, comprising a head with a through-bore, impact means for axial reciprocal movement in the bore, a handle, the main direction of which includes an angle with the impact direction, and at least one additional head with through-bore and appurtenant impact means adapted to reciprocate axially in the bore of said additional head, the impact direction of each additional impact means including an angle with both the main direction of the handle and with the impact direction of the first impact means, while the impact surfaces of said impact means differ in size, shape, position, etc.

Abstract: This invention pertains to a direct bonding bracket positioning tool for orthodontists. A tweezer-type tool has the end of an outer jaw and an intermediate jaw configured and sized to receive and retain a cement-attached bracket as the bracket is directly bonded to the face of the tooth of the patient. For precise positioning of the bracket on the tooth there is provided a screw which is adjusted to position an extending jaw end, which is a third jaw, at a selected distance above the intermediate bracket retaining ends of the three jaw tweezer. This arrangement of jaw ends is depicted in two versions for the two most popular brackets in use. The adjustable top jaw is used to hold the gripped bracket in the selected position as and during the hardening of the bonding agent.

Abstract: A dental teaching device has a dummy head displaceably mounted, within predetermined ranges of movement, on a holder so that the head can be adjusted to any desired position for a practice dental treatment. The holder has a curved socket in which a curved rear portion of the head is slidably received. The curved socket is shielded from exposure to contaminant material by the dummy head thereabove, for all positions of adjustment of the head relative to the holder. An opening in the curved rear portion of the head is defined by a rim which constitutes a limit stop engageable with a stop element secured to the holder and extending into the interior of the head through the opening.

Abstract: A lockable dip stick assembly for an oil filling spout comprises an elastomeric stopper disposed between an outer compression cap and an inner compression plate which carries a dip stick. A stud extends coaxially through the cap and stopper and threadably engages the compression plate. A bell housing supported for rotation on the outer end of the stud contains a key operated lock cylinder which has a bolt radially movable between uncoupled and coupled positions corresponding, respectively, to locked and unlocked positions of the lock cylinder. In a coupled position the bolt is connected in driving relation to a drive cup mounted in fixed position on the outer end of the stud and enclosed within the housing. Rotation of the key to and beyond an unlocked position causes rotation of the stud relative to the compression plate.

Abstract: This invention pertains to an electro-optical digital precision micrometer and gages wherein one embodiment utilizes a tape carried in a frame and moved with the movable anvil portion of the apparatus. This tape is directed to and around a precision gage roller which carries a radially inscribed interrupter disc, wherein the lines on the disc cut a ray of light provided by a light source. This interruption of the ray of light is read by photosensors with the resulting pulses being converted into electrical signals which are fed to a digital counter and readout. In another embodiment the tape is carried and is moved with the movement of the movable anvil whose support also carries the precision roller whereby as the anvil is moved the tape is also moved at twice the rate of travel of the movable anvil.

Abstract: A stand off for masonry or carpentry levels is disclosed which includes a substantially U-shaped portion having a clear-drilled boring through which a spring-tensioned cylindrical body extends having fastened at one end a disc-shaped end section enclosed within the U-shaped portion and at its opposite end, a disc-shaped pad for touching engagement with objects whose level is to be measured.

Abstract: In the lyophilization of solid, liquid or pasty products the product to be lyophilized is placed in an open secondary container of flexible material which is capable of being subsequently closed and lyophilized in a lyophilization apparatus with the container kept open. On completion of lyophilization the container is closed and the closed container withdrawn from the apparatus. Preferably the container is in the form of a bag, e.g. a heat-sealable plastic bag. A lyophilization apparatus is provided with means for supporting secondary containers accommodating product to be lyophilized, means for keeping the secondary containers open during lyophilization and means for closing the containers on completion of lyophilization.

Abstract: Method and apparatus for treating particles of food or other substances with a gas, e.g., hot air, to effect blanching, dehydration, puffing, or the like. Feature of the invention is a system wherein the particles are contained in a perforated cylinder which is rotated at a speed sufficient to produce a centrifugal acceleration of at least one g, while a unidirectional flow of gas is applied to the cylinder perpendicular to its axis of rotation.

Abstract: The end of a tubular member to be heated is received in an annular space between a central core and a shroud. Hot gas passes through passageways in the central core against the inside surface of the tubular member, then along the inside surface to the end of the tubular member, and then along the outside surface of the tubular member. At least one of the flow of hot gas along the inside surface and the flow of hot gas along the outside surface of the tubular member is caused to follow a spiral path.

Abstract: A portable dryer for drying articles of clothing includes a rigid housing formed with openings near its bottom, attachment means located near the top of the housing for securing at least one external drying means thereto for operatively supplying heated air into the housing. Heated air operatively received from the hair dryer in the housing and passing therethrough is expelled from the housing through the openings.

Abstract: The invention comprises an inverted frusto-conical shaped perforated floor which is mounted in a conventional grain drying bin in a raised position relative to the base floor thereof. The perforated floor has a plurality of grain discharge openings formed therein, each of which are selectively closed by a trough-like valve. The valves have varying lengths to obtain better grain distribution on the base floor. The valves are controlled by a manually operated means. A tube tensioner is provided on the bottom surface of the perforated floor to stiffen and strengthen the perforated floor. A series of bands are mounted above the perforated floor to maintain the level of the grain being dried substantially parallel to the upper surface of the perforated floor for evenness of drying. The grain is dumped on the perforated floor and the dried air is passed upwardly through the perforated floor to dry the grain.

Abstract: A portable, self-powered teaching machine which provides the student with programmed audio instructional material in conjunction with a monaural or stereo cassette tape recorder/player, such as is available in the classroom. An audio frequency detection and switching circuit in the teaching device responds to control signals recorded within the programmed lesson, resulting in deactivation of the cassette recorder/player at certain intervals. At certain intervals, the student is instructed to insert a coded panel displaying interrogative visual information into a frame on the face of the teaching machine. Upon insertion, coded indicia on the panel establish a singular, correct response circuit in conjunction with sensing means adjacent to the panel. Response switches are contained on the teaching device which, if manipulated correctly by the student in accordance with a correct manner, will cause the cassette recorder/player to again be activated.

Abstract: This invention provides a time selective information dissemination system and method for sleep teaching. An information sensor, which is responsive to information that has been recorded on a recording medium, is provided by this system and control mechanism is provided to respond to signals correlated to recording medium travel for controlling transmission from the information sensor to an output apparatus whereby information is utilized in sleep teaching by being disseminated, based upon sensed recording medium travel over predetermined time intervals.

Abstract: An improved form of bowling calculator which allows for interposition of either of two covers upon a main frame that carries bowling lane indicia. Each of the interchangeable covers includes an elastic member extending longitudinally within the cover with a plurality of adjustment means spaced along its length. Each cover is freely positionable upon the main frame by an access opening which fits over a registration pin extending upwardly from the surface of the main frame. With this improved device, a characteristic ball curvature may be defined for each of two distinct bowling lanes by individual adjustments of the elastic member within each of the covers, thereafter each cover may be interchanged upon the main frame as two bowling lanes are being used, for example as in tournament play.

Abstract: An educational game for school age children designed to teach a variety of essential skills. Players move competitively along a designated path on a playing board according to their correct or incorrect response to a selected one of a plurality of questions dealing with rules of sentence punctuation or any other subject. Each landing area on the designated path includes a plurality of geometric shapes of different colors arranged in a row extending transversely to the path. Because of the unique design of the designated path on the playing board, the game also teaches children to identify colors and geometric shapes, to count, and provides experience in following given directions.

Abstract: A response analyzing device comprises a discriminating device and a plurality of answering devices connected in parallel to a plurality of lines extending from the discriminating device. Each of the answering devices are provided with resonance circuits having mutually different resonance frequencies and a selective switch for connecting the resonance circuits with these lines. The discriminating device is provided with a sweep oscillator for impressing outputs to these lines and has a variable range which permits the sweeping of the entire range of the resonance frequencies and circuitry for detecting the variation in impedance due to the resonance phenomenon created in the resonance circuit.

Abstract: An athletic shoe assembly for convenient removal and replacement of a spike therefor. The assembly includes an inner plate between the inner and outer soles of the shoe or between the inner sole and the heel of a shoe. Attached to the inner plate is a spike receiving member defining opposed slits in the sides thereof, into which protrudes opposed retaining springs anchored within the outer sole or heel of an athletic shoe. The spike assembly includes an outer plate, a spike member defining opposed removal channels and sealing means for preventing the clogging of the spike removal channels during use. A spike removal tool is also provided for disengaging the spike member after it has been used by insertion to the spike receiving member.

Abstract: A cross bar is provided with a pair of plug cutting tubes one at each end thereof and being edge sharpened at the lower edge. Plug release cut away portions are formed in the tubes spaced above the lower ends. The cross bar is secured to the underside of the shoes or boots against the heel step with each tube being situated slightly outboard of the sides of the soles. Walking on lawns or the like causes the plug tubes to cut cylindrical plugs from the lawn which are expelled upwardly and outwardly through the plug release cut away portions.

Abstract: An excavating device is disclosed which is capable of attachment to a conventional hydraulic boom structure having a power-driven winch cable. The device has a bucket pivotably mounted thereon, such that when the device is attached to the boom structure in a first mode, the bucket can be driven by the winch cable as a shovel and when attached to the boom structure in a second mode, the bucket can be driven by the winch cable as a back hoe.

Abstract: A candle having on the periphery thereof circumferentially spaced, vertical ribs respectively provided therein with circumferentially spaced, vertical, opposed grooves which face each other circumferentially and which are respectively adapted to receive vertical edges of a card, or similar article.

Abstract: A rotary card holder has a rotor which carries a multiplicity of cards and is rotatably mounted between two upright supports of a case by means of a shaft which projects from the ends of the rotor and extends through the supports. The rotor is manually rotatable by means of knobs on the ends of the shaft. A V-shaped leaf spring in one of the knobs frictionally engages an annular boss on the case to retain the rotor in a position to which it is turned.

Abstract: A lighting system for selectively back lighting a translucent object, or preselected portions thereof.

Abstract: A segmented sign board comprising a plurality of laminated segments having opposing faces with letter-holding channel members along the upper and lower edges of each segment. The channel members provide means for gripping the edges of the letters inserted into the channels.

Abstract: An audio-visual display device which sequentially displays and discusses pictorial representations of merchandise and thereafter mirrors actual merchandise is comprised of a display enclosure, audio apparatus and timer apparatus. The display enclosure has a plurality of compartments each provided with separate illumination apparatus therein. At least one side of each compartment has a one-way mirror which enables a consumer to see pictorial representations of merchandise affixed to the inside of the one-way mirror when the illumination apparatus has been actuated and to see an image of the consumer in the one-way mirror when the illumination apparatus is not actuated. The audio apparatus provides an oral description of pictorial representations of merchandise and actual merchandise.

Abstract: A system is provided for identifying a bullet with a gun from which it was fired wherein a marking die is supported in the barrel of a gun having cutting elements extending into the bore to impart groove-like markings upon a bullet surface when it is fired, the markings being arranged in groups of grooves, each group being readable in coded form as a digit portion of a number, the composite pattern of grooves upon the surface of the bullet forming a composite number corresponding to the registration number of the gun from which the bullet was fired.

Abstract: A radial percussion arrangement for firearms using self-propelling ammunition with peripherial priming is provided. The arrangement comprises a firing pin inserted in an inclined bore provided in the upper portion of the breech. The inclination of this bore and consequently of the firing pin is such that the tip of the firing pin is turned towards the breech face. In the case of firearms having a bolt of striking weight type a locking rod is provided in the bolt. This locking rod has the function to pick up a projectile from the magazine and insert it in the chamber. Since the locking rod enters the chamber, it acts also as a locking element for the chamber.

Abstract: The invention pertains to an improvement to gun barrels of the type provided with a fixing and guiding ring having a base which is brazed or welded on to the barrel, wherein the aforesaid base has, on at least one of its transverse faces (with respect to the axis of the barrel), a groove or chink near said base.

Abstract: The invention is motion control apparatus for imparting random, erratic and unpredictable motion to a lure which is pulled through the water, a combination fish lure and motion control apparatus, a method of making the same and a method of establishing random, unpredictable motion for a fish lure. Universally coupled concave discs connected between the fishing line and the lure provide the erratic direction of travel and frequency of movement of natural bait, such as minnows or the like. By centrally pulling a first concave disc and edge connecting thereto a further centrally connected disc with bait edge coupled thereto, the random travel or directional change with attendant wiggling action is imparted to the fish bait. The unusual interconnection of the discs and their connections to the line and bait provide a continuously varying load center to impart the erratic motion.

Abstract: An inner container is loosely mounted in an outer container so that it will float on water that may collect in the outer container. A cover mounted on and spaced above the outer container sheds rain water and provides an access for snails and slugs over the upper edges of both containers to poisoned bait positioned in the bottom of the inner container. The outer container is partly buried below the ground and should the ground become flooded so that water runs through the pest entries, the upper lip of the inner container blocks the flow of water to the inner container which will then float upwardly within the outer container and thus keep the poison bait from becoming water soaked or flowing outwardly to the ground.

Abstract: Components of a toy construction set carry undercut male connectors and have elongated grooves for receiving the male connectors to interconnect the components. The grooves have first and second portions. The first groove portions are configured to receive and retain a male connector which has been compressively inserted into such first portions by relatively moving the connector along any one of a plurality of possible insertion paths including a path extending transversely of the longitudinal direction of the associated groove. The second portions are configured to receive and retain a male connector which has been slided longitudinally of the associated groove into engagement with such second portions. In one embodiment, the first groove portions are undercut to a lesser degree than are the second portions. In another embodiment, the first groove portions are not undercut at all but rather are configured to interference fit with a male connector, while the second portions are undercut.

Abstract: The musical toy consists of a body which contains a music box movement of the "left-right music movement" type that is normally operative to produce the desired melody in either direction of rotation of its drive shaft. The movement is fixed to the interior of the hollow body for rotation therewith and means are connected to the drive shaft to hold the shaft against rotation. As a result, when the body is rotated it turns the music movement with respect to the non-rotating drive shaft and produces the desired musical melody. The melody is produced regardless of the direction of rotation of the body of revolution.

Abstract: An installation for rearing plants, comprising a plurality of successive culture chambers, each of said culture chambers comprising an endless circulating system on which plants are moved through zones under controlled environmental conditions, each of said culture chambers being confined at each end by an end wall panel which has the same configuration as the vertical transverse section of the culture chamber, said end wall panels being connected by elements which connect the peripheral edges of the disks and laterally confine the culture chamber.