Patents Issued in June 2, 1981
  • Patent number: 4270238
    Abstract: The improved cleaning tool disclosed herein is particularly designed for cleaning walls and ceilings. The tool includes a novel block assembly that is mounted on an end of a wand adapted to be held and manipulated by the person doing the cleaning and that includes one surface adapted to be disposed adjacent to the wall or ceiling to be cleaned during the cleaning operation. Two continous rows of channel bristles are mounted on the one surface of the block assembly and extend across the one surface, in a direction transverse to the normal, back and forth path of motion of the block assembly while in usage. The block assembly includes a plurality of nozzles that are designed to wet the rows of channel bristles with cleaning fluid so that the cleaning fluid will flow to the distal ends of the bristles and then be applied, as a thin film, to the wall or ceiling to be cleaned. Vacuum suction slots are disposed between the rows of channel bristles.
    Type: Grant
    Filed: July 18, 1979
    Date of Patent: June 2, 1981
    Assignee: Service Master Industries, Inc.
    Inventors: Robert L. Shallenberg, Roland A. Blomgren
  • Patent number: 4270239
    Abstract: A baby carriage handle support, including rotatable arms which fix the handle in upright position when the arms are aligned, uses an interlock which slides along the first arm until the second arm is inserted to the interlock support structure. The interlock support structure includes not only the usual end stop for the second arm, but also a channel projection at right angles to the stop which inserts to the channel of the second arm to provide a more positive locking relationship for the alignment of the two arms.
    Type: Grant
    Filed: August 8, 1979
    Date of Patent: June 2, 1981
    Assignee: New York Toy Corporation
    Inventor: Meyer A. Gross
  • Patent number: 4270240
    Abstract: A metallic cup shaped insert is anchored within a plastic anchoring piece. The anchoring piece is pressed or hammered into an opening in a furniture panel and, hooking anchoring ribs retain the insert and anchoring part in position in the furniture panel.
    Type: Grant
    Filed: August 7, 1978
    Date of Patent: June 2, 1981
    Assignee: Richard Heinze GmbH & Co. KG
    Inventors: Ernst Zernig, Willi Pittasch
  • Patent number: 4270241
    Abstract: A method for the slaughtering of animals by bleeding in which the animal is first stunned, the method comprising making an incision in said animal to expose the anterior wall of the thorax of the animal, inserting a cannulating device through said incision into the mediastinal space, the cannulating device being passed caudally so as to substantially, selectively enter a major mediastinal blood vessel of the animal and collecting blood flowing from the blood vessel through said cannulating device.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: June 2, 1981
    Assignee: Radian Corporation
    Inventor: Alphonse M. Braga
  • Patent number: 4270242
    Abstract: An apparatus for automatic evisceration of killed poultry is disclosed and comprising a substantially horizontal supporting plate adapted to receive an animal lying on its back in a predetermined position in relation to the supporting plate, by providing at one free terminal edge of the supporting plate a clamping means serving to detachably secure the tail head of the animal to the supporting plate, and where the supporting plate is movable to a position opposite at least one dressing means. A tool for eviscerating the neck skin of the killed poultry by removal of windpipe, gullet and craw, said tool being characterized in that the tool has the form of a mandrel whose diameter is adapted to the opening formed by the collar bone of the animal, the outside of which mandrel is provided with projections and depressions designed to communicate with a vacuum source, and where said mandrel is both rotatable and axially displaceable for movement through the neck of the animal.
    Type: Grant
    Filed: May 14, 1979
    Date of Patent: June 2, 1981
    Inventors: Kjeld Loth, Peter Loth
  • Patent number: 4270243
    Abstract: Apparatus for splitting in half the breast of a poultry carcass comprising an elongated feed bar on which the carcass can be impaled to have the bar extending through the chicken immediately below the backbone and above the soft breastbone. A cutting blade is supported and rotated in a plane containing the feed bar with the axis of rotation perpendicular to and offset from the feed bar. A toothed conveyor extending along the lengthwise direction of the feed bar is mounted in close adjacency to the feed bar on the side opposite the cutting blade in a position to contact the back of an impaled poultry carcass and propel the carcass along the length of the feed car. An elongated breast support is pivotally supported in alignment with the feed bar for movement in the plane containing the feed bar and cutting blade about a pivotal axis offset from the feed bar on the same side as the cutting blade axis.
    Type: Grant
    Filed: November 29, 1979
    Date of Patent: June 2, 1981
    Inventor: Eugene J. Lewis
  • Patent number: 4270244
    Abstract: A method for macerating meat in which a pair of contra-rotating shafts each serve to mount a plurality of slotted discs with blunted peripheral edges, spaced apart by crushers which engage and compact pieces of meat intruded between the shafts while discs mounted on the shafts perform a slitting function; the apparatus which performs the process includes a pair of rotating shafts each carrying slotted discs with blunted peripheral edges separated from each other by crushers. The slotted discs rotate at different rates to enhance maceration by tearing.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: June 2, 1981
    Inventors: Salvatore J. Lo Biondo, Joseph V. Lo Biondo
  • Patent number: 4270245
    Abstract: A lag or stave assembly for a Kirschner beater which replaces the traditional one-piece wooden lags and is preferably formed from extruded aluminium. The lag assembly is formed in two parts with a first support part which is preferably channel-shaped and can be secured to the free end of an arm or spider of the beater, and a second pinned working part removably secured along its leading and trailing edges to the upper ends of the arms of the support part, one edge, preferably the leading edge, of the working part being secured to the support part removably and hingedly, e.g. by a hook-shaped tongue engaging in a mating groove, and the other edge being fixedly secured to the other arm of the support part, e.g. by means of screws and/or any type of snap-fit or interlock. The arrangement preferably ensures that one of the parts is loaded in tension or compression when the two parts are secured together to prevent rattling.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: June 2, 1981
    Assignee: Wm. R. Stewart & Sons (Hacklemakers) Ltd.
    Inventors: David B. Stewart, William R. Stewart, John M. C. Dickinson
  • Patent number: 4270246
    Abstract: A carding flat arrangement for cards in which lateral end head sections are guided along sliding guide members. The center section is made of a material of low specific gravity, and the end head section can be pressed against the sliding guide. The end head sections, furthermore, are provided with sliding surfaces of wear-resistant material of substantially high specific gravity. The center section may be made of aluminum, and be in the form of a hollow section. Reinforced fiberglass may also be used for the center section, and stabilizing elements may be inserted therein. The end head sections may be connected to the stabilizing elements, and the sliding surfaces of the end head sections may be coated with a friction-reducing material. A pressure element is applied to press against the rear side of the carding flat arrangement and/or against the end head sections.
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: June 2, 1981
    Assignee: Trutzschler GmbH & Co. KG
    Inventor: Wolfgang Beneke
  • Patent number: 4270247
    Abstract: There is disclosed an improved clasp formed by a clasp bar including a pair of clasp arms extending outwardly from a central junction point, each of the clasp arms terminating in an outer end, the opposed outer ends being provided with cooperating lock means such that the clasp bar may be utilized to encircle a substantially flexible article and the lock means manipulated to encircle and lockingly engage the flexible article within the confines formed by the clasp arms and central junction point and the locking means. Various of the embodiments disclose a clasp bar wherein the clasp arms are formed of a resilient material and may be biasingly urged into touching contact in order to permit the lock means to cooperatively engage one another thereby to encircle and lock the flexible article therein.
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: June 2, 1981
    Inventor: John Freedom
  • Patent number: 4270248
    Abstract: An improved slide fastener assembly incorporating an arrangement in which the stringer tapes of the fastener may be sewn into a garment prior to assembly with the slider and wherein the slider may then be assembled to the stringers without force. Upon such assembly the parts remain assembled by virtue of cooperating fastener elements having projecting portions that interengage with each other and the slider to prevent retrograde movement back out of the slider following assembly.
    Type: Grant
    Filed: July 30, 1979
    Date of Patent: June 2, 1981
    Assignee: Yoshida Kogyo K.K.
    Inventor: Shunji Akashi
  • Patent number: 4270249
    Abstract: A detachable clasp or lock for a bracelet, or the like, includes a receiver having a free end hook, a loop for removable engagement in the hook, a pair of inner and outer covers hinged to the receiver for swinging movement relative thereto and having catches engageable about the end hook for retaining the received loop, the catches being swingable together for ease of opening and having a lost motion mechanism enabling one catch to remain engaged in the event the other catch is inadvertently opened.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: June 2, 1981
    Assignee: Admiral Watchband Co., Inc.
    Inventors: Stanley Meyerson, Seymour Hauser
  • Patent number: 4270250
    Abstract: An improved clamp for hoses and other tubular members includes two rigid clamping members having semi-circular recesses, one or more annular wedge-shaped grooves in the recesses, and fasteners. An elastomeric insert, or a pair of inserts, has one or more ribs shaped to fit the groove or grooves. The rib height is less than the groove depth leaving an annular gap to improve the clamping action. Inserts of different thickness can be provided to accommodate hoses of different dimensions.
    Type: Grant
    Filed: April 1, 1980
    Date of Patent: June 2, 1981
    Inventor: Otmar Schon
  • Patent number: 4270251
    Abstract: A saddle member for a saddle clamp is generally U-shaped in cross section. Generally parallel side walls are spaced apart and have arcuate free ends. A base extends between the side walls opposite the free ends, and end walls extend between the side margins of the side walls. The end walls include flanges on the side walls and the base and weldments that extend along substantially the entire lengths of the side-wall flanges to provide end walls that form continuous surfaces with both the side walls and the base.
    Type: Grant
    Filed: March 30, 1979
    Date of Patent: June 2, 1981
    Assignee: Nickson Industries, Inc.
    Inventors: Ralph K. Evans, Roy S. Florian
  • Patent number: 4270252
    Abstract: Apparatus is disclosed to count and control crimps in a moving tow of yarn. The apparatus comprises a target (the tow of yarn), a stroboscopic light, condenser lens, mirror, transparent support for the target, focusing lens, diode array to sense variations in light intensity from the striations in the target, electronic board circuit with terminal board, programmable calculator, and read-out means, such as a light emitting diode display. When used to control the crimping apparatus it also comprises a controller, exit control gate of the crimper and means to exert pressure on the exit control gate. The method for use of this apparatus is to cause an intense light pulse to issue from the stroboscopic light, passing the pulse of light through the condenser lens against the mirror through the transparent support to reflect from the striations in the yarn tow back through the focusing lens into the diode array which counts the variations in light intensity caused by the striations.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: June 2, 1981
    Assignee: Allied Chemical Corporation
    Inventors: David M. Harrison, Walter E. Watson, III, Maurice S. Moore, Roger E. Jermyn
  • Patent number: 4270253
    Abstract: There is disclosed a method and apparatus for the simultaneous machining of a stack of plate-like workpieces wherein the individual workpieces of the stack are initially assembled into a stack which is held in a manner which will not interfere with the subsequent machining operations by use of rivets or the like. The plate-like workpieces are mounted in the stack upon a support plate, and the machining operations are preferably so conducted as to penetrate through the lowermost member of the stack and into the upper portion of the support plate. The machine tool is preferably one in which a series of stations for drilling, riveting, machining and then drilling out the rivets is provided. The tool may include means for automatically and precisely moving the stack between the several work stations.
    Type: Grant
    Filed: September 20, 1978
    Date of Patent: June 2, 1981
    Assignee: Trumpf America, Inc.
    Inventors: Eugen Herb, Berthold Leibinger
  • Patent number: 4270254
    Abstract: This invention relates to a method for manufacturing a grooved roller where the grooving is continuous and extends from one rim of the roller to the other, which comprises cutting a groove of slight side angle and in the form of a thread on the periphery of the roller, and then pressing a contoured wire with prestressing into the groove.
    Type: Grant
    Filed: April 26, 1979
    Date of Patent: June 2, 1981
    Assignee: Anstalt fur Stromungsmaschinen Gesellschaft mbH
    Inventors: Dag Bergloff, Alois Wohlfarter, Otto Heissenberger, Martin Muhlhauser, Franz Petschauer
  • Patent number: 4270255
    Abstract: An improved method of manufacturing a swash plate assembly for use in a compressor, fluid motor or similar device in which a plurality of pistons are connected, by means of connecting rods, to a swash plate which drives (or is driven by) the pistons. A plurality of piston assemblies are made by casting the piston body around one end of a connecting rod section which is formed with a ball, thus providing a ball-socket connection therebetween. Other connecting rod sections are cast-in-place and captured in sockets within the wobble plate. With the connecting rod being made in two pieces, the section connected to each of the pistons and the section connected to the swash plate are positioned in a fixed relation to one another in an appropriate fixture. The two sections of each connecting rod are then secured to each other, such as by welding, brazing or crimping, to complete the assembly.
    Type: Grant
    Filed: March 26, 1979
    Date of Patent: June 2, 1981
    Assignee: Borg-Warner Corporation
    Inventor: Edmund J. Klimek
  • Patent number: 4270256
    Abstract: A method for manufacturing a turbine rotor assembly from dissimilar materials to produce a hybrid composite rotor including the steps of: preforming a hub disc of a controlled outer diameter and prefabricating a ring of airfoils including a machine slotted fixture ring of mild steel slotted to receive airfoils inserted therein; and wherein the method further includes the steps of grinding the internal diameter of the mild steel ring to expose the airfoil bases to locate them at a radius line which will correspond to the outer diameter of the hub disc rim to maintain a pressure fit relationship therebetween when the ring of airfoils is pressed or shrunk on the outer diameter of the disc and thereafter sealing exterior joint lines between the mild steel fixture ring, airfoils and hub disc to form a pressure sealed surface on the exterior of the joined parts; subjecting the full outer planar extent of the pressure sealed configuration to an elevated pressure while maintaining it under an elevated temperature to
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: June 2, 1981
    Assignee: General Motors Corporation
    Inventor: Bruce A. Ewing
  • Patent number: 4270257
    Abstract: There is disclosed a fuel injection valve for internal combustion engines, which is used in combination with a fuel injection device for intermittent injection of fuel and which comprises a main body having a passageway extending between a fuel inlet and a fuel outlet, a valve member which cooperates with a valve seat disposed in the outlet and which is movable between a closed position and a fully open position in response to the pressure of the fuel fed into the passageway, the valve member being made up of a shaft member and a valve head, and is manufactured in such a way that a valve head made of a steel ball is welded by an instantaneous current passage welding process to one end of the shaft member and that the steel ball is cut perpendicularly to the axis on a smaller circle toward the shaft member than the equator of the steel ball so as to form an edge where the fuel jet flares.
    Type: Grant
    Filed: October 7, 1977
    Date of Patent: June 2, 1981
    Assignee: NTN Toyo Bearing Co. Ltd.
    Inventors: Kei Kimata, Shoichi Fukunaga
  • Patent number: 4270258
    Abstract: A method of rapidly retubing a steam generator while it is vertically oriented in a containment vessel and keeping the level of radiation to which workmen are subjected at a minimal level.
    Type: Grant
    Filed: December 28, 1978
    Date of Patent: June 2, 1981
    Assignee: Westinghouse Electric Corp.
    Inventors: Harry N. Andrews, Edmund C. Eglinton, Joseph W. Gulaskey, Leonard J. Balog, Robert W. Beer
  • Patent number: 4270259
    Abstract: Method and apparatus for rebuilding advance weights of a distributor assembly. The apparatus includes a drilling fixture having a hole and a weight-engaging balance pin positioned to one side of the hole, and a stepped pin having a large diameter shank accommodated by the hole in the drilling fixture and a small diameter shank accommodating deformed oblong holes of the advance weights. The method includes positioning the deformed oblong hole of the advance weight on the small diameter shank of the stepped pin establishing the original axis of the original hole, balancing the advance weights against the balance pin, removing the stepped pin, and drilling the deformed oblong holes in the advance weights out to an oversized round hole. Subsequently, the advance weights are reinstalled with a nylon bushing in the bored oversized hole on the pins of the distributor assembly. The apparatus of the drilling fixture and stepped pin can be sold in an over-the-counter kit at auto part stores and repair facilities.
    Type: Grant
    Filed: March 15, 1979
    Date of Patent: June 2, 1981
    Assignee: Thexton Manufacturing Company
    Inventors: Brian N. Tichy, Robert E. Clark
  • Patent number: 4270260
    Abstract: Components such as IC's mounted on a substrate such as a PCB are removed from the PCB in a heating apparatus. The heating apparatus has a mounting frame which positions the PCB above an array of infra red heating sources. The method includes the steps of bombarding the PCB with infra red energy which is absorbed and conducted to the solder joints to melt the solder to permit extraction of the components.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: June 2, 1981
    Inventor: Ellison F. Krueger
  • Patent number: 4270261
    Abstract: A method of forming fixing heads on both ends of tension springs which are made from coiled spring wire, in particular for precision apparatus. A continuous coil of spring wire is expanded over at least two turns at the area of the ends to be formed. The expanded turns are provided with an envelope of a synthetic material by molding.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: June 2, 1981
    Assignee: U.S. Philips Corporation
    Inventor: Johann Martin
  • Patent number: 4270262
    Abstract: A first semiconductor circuit element including a first electrode is formed on a semiconductor substrate, an inter-layer insulating layer for insulating the first electrode is formed on the first electrode, and a first penetrating opening is provided in a part of the inter-layer insulating layer.Subsequently, a step of forming a second semiconductor circuit element is carried out, this step including a step of forming a second electrode so that at least a part thereof may overlie the inter-layer insulating layer at an area other than the first penetrating opening. Further, a subsidiary interconnection conductive layer is buried into the first opening. Another insulating layer is formed on the structure thus formed, whereupon second and third penetrating openings are respectively provided in the insulating layer over the second electrode and the interconnection subsidiary conductive layer.First and second interconnection conductors are respectively buried into the second and third penetrating openings.
    Type: Grant
    Filed: February 23, 1978
    Date of Patent: June 2, 1981
    Assignee: Hitachi, Ltd.
    Inventors: Ryoichi Hori, Masaharu Kubo, Norikazu Hashimoto, Shigeru Nishimatsu, Kiyoo Itoh
  • Patent number: 4270263
    Abstract: Semiconductor particles are distributed in a single level layer orientation in a glass sheet with portions of each particle exposed at both surfaces of the sheet. A metal layer on one surface of the sheet is in ohmic contact with the body of each particle and forms a common electrode.
    Type: Grant
    Filed: August 10, 1978
    Date of Patent: June 2, 1981
    Assignee: Texas Instruments Incorporated
    Inventors: Elwin L. Johnson, Jack S. Kilby, Jay W. Lathrop, John S. McFerren, David J. Myers
  • Patent number: 4270264
    Abstract: A method for establishing an electrical contact between a normally conducting contact body and the end section of a superconductor annealed in situ, prior to the anneal in which the corresponding end section of the intermediate conductor product is placed on a form of a heat-resistant material which during the anneal does not react with the elements of the intermediate conductor product; and after the anneal, replacing the form with a contact body of corresponding shape. With the method, diffusion reactions between the elements of the intermediate conductor product and the contact body during the in situ anneal are advantageously prevented.
    Type: Grant
    Filed: September 18, 1979
    Date of Patent: June 2, 1981
    Assignee: Siemens Aktiengesellschaft
    Inventor: Hans-Jorg Weisse
  • Patent number: 4270265
    Abstract: Electronic components and a conductor for connecting the electronic components are placed in the component positioning holes and the conductor positioning recess which are formed in a plate-shaped jig. The jig with the components and the conductor is placed over a mounting board, and the assembly of these elements is heated in a suitable furnace so that the electronic components are connected to the mounting board and the conductor simultaneously, thereby to reduce the number of steps of manufacturing the hybrid integrated circuit assembly.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: June 2, 1981
    Assignee: Kokusan Denki Co., Ltd.
    Inventors: Yoshihiko Ikeda, Hiroyasu Nitou
  • Patent number: 4270266
    Abstract: A novel distributor rotor electrode material is provided and a method for making it. A mixture comprised of at least half copper oxide and a minor portion of silica or silica and alumina is fused to form a friable glassy material. The copper oxide of the material is reduced to copper metal, the material in the solid state then being characterized by a substantially continuous microphase of sponge-shaped glassy bodies with copper retained in the interstices thereof. When the material is sintered into a rotor electrode body, the sponge-shaped bodies become strongly mechanically retained in a substantially continuous metal matrix providing the electrode with outstanding resistance to spark erosion.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: June 2, 1981
    Assignee: General Motors Corporation
    Inventors: Ronald G. Lanzi, Peter Vernia
  • Patent number: 4270267
    Abstract: A machine is disclosed for mass insertion of multiple terminals into preformed passageways in housings, printed circuit boards or the like. The terminals each have one end detachably secured to a flexible carrier strip and are transported to the insertion station thereby. The machine grips large groups of the terminal in the insertion station, removes them from the carrier strip, and inserts the terminals into the preformed passageways in a housing, printed circuit board, or the like. The terminals are carried and inserted in two parallel spaced rows, with the alignment therebetween being insured by a shuttle which is placed between the rows of terminals at the insertion station. The group of terminals to be inserted is grasped by jaw members and held against the shuttle during the insertion movement. The jaws then release the terminals and return the shuttle to its original position.
    Type: Grant
    Filed: May 17, 1979
    Date of Patent: June 2, 1981
    Assignee: AMP Incorporated
    Inventor: Johannes C. W. Bakermans
  • Patent number: 4270268
    Abstract: A razor blade assembly including a body member, a guard member mounted on the body member for movement thereon, a blade member mounted on the body member for movement thereon, the guard member and the blade member being independently moveable in response to forces encountered during a shaving operation, spring finger biasing members integral with the body member and exercising a bias against the guard member and the blade member, a cap portion fixed to the body member, and connector structure integral with the body member for connection of the blade assembly to a razor handle.
    Type: Grant
    Filed: December 7, 1979
    Date of Patent: June 2, 1981
    Assignee: The Gillette Company
    Inventor: Chester F. Jacobson
  • Patent number: 4270269
    Abstract: Combination pipe-cutter and deburring tool especially for plastic pipe. A housing which can be positioned around the pipe to be cut, carries an adjustable cutter which has a spindle and a hollow grip handle. A separable deburring tool for removing the internal burr that remains after the pipe is cut fits into the hollow grip handle.
    Type: Grant
    Filed: April 29, 1979
    Date of Patent: June 2, 1981
    Assignee: Firma Rothenberg GmbH & Co.
    Inventors: Manfred Weil, Gunter Rothenberger
  • Patent number: 4270270
    Abstract: The present invention relates to a combination hand held circular saw and chain saw and an adapter to convert a conventional hand held circular saw to a chain saw comprising a hand held power means which includes housing means provided with handle means, motor means mounted in paid housing means said motor means provided with shaft means, and a surface plate operably mounted on said housing means, in combination with frame means, said frame means comprising an alignment plate, chain saw housing means and alignment means, sprocket means operably mounted on said motor shaft means, chain saw frame means adjustably mounted to said frame means and chain saw means.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: June 2, 1981
    Inventor: Ellis R. Loyd
  • Patent number: 4270271
    Abstract: A head for a rotary drive designed for trimming of vegetation. The head includes two circular plates coaxially arranged with pivotally mounted plastic blades positioned on pins between the plates. The blades are held outwardly by centrifugal force but are free to rotate to between the plates when contacting rigid objects. A glide knob extends from the bottom of the head for improved control of the device.
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: June 2, 1981
    Assignee: Versatool, Inc.
    Inventors: Robert I. Feldman, Dana F. Thesman
  • Patent number: 4270272
    Abstract: An attachment for a direct drive gasoline or electric powered chain saw for delimbing, thinning, pruning and brushing. The attachment comprises a rigid bar of round cross-section which is secured to the blade of a chain saw at a point spaced a short distance towards the handle from the tip of the blade. When so secured, the bar has a straight portion traversing the flat of the blade at an angle to the longitudinal axis of the blade, extending forwardly and downwardly with respect thereto and upwardly and rearwardly beyond the upper edge of the blade. The bar lies substantially in a plane parallel to the plane of the blade. A second portion of the bar projects beyond the lower edge of the blade and is bent in a gradual curve through an arc radians so that its end is parallel to the longitudinal axis of the blade. The bar is secured to the flat of the blade by appropriate securing means and is preferably spaced from the surface of the blade.
    Type: Grant
    Filed: January 25, 1980
    Date of Patent: June 2, 1981
    Inventor: William W. Graham
  • Patent number: 4270273
    Abstract: A measuring instrument, preferably for determining the mean arterial blood pressure from a graph containing values of systolic pressure and diastolic pressure. The instrument comprises a compass having a pair of outer legs and a single intermediate leg disposed therebetween. The outer legs are arranged to enable the distance between outer ends thereof to be manually varied. A proportioning mechanism maintains an outer end of the intermediate leg at a constant ratio, preferably one-third, of the distance between the outer legs.
    Type: Grant
    Filed: October 30, 1979
    Date of Patent: June 2, 1981
    Assignee: A. H. Robins Company, Inc.
    Inventor: Brian E. Berger
  • Patent number: 4270274
    Abstract: An indicator principally for measuring fat depth on animal carcasses includes a base and has a probe extending outwardly from the base. The probe defines at or adjacent its end remote from the base a first reference point and a moveable contact plate provides a second reference point. An indicator is provided to give an indication of the distance between the first and second reference points. An elastic means is provided between the base and the contact plate, the elasticity of the elastic means, which in the preferred form comprises springs, being selected so that in use the contact plate compresses the material, such as the surface of the animal carcass, by a predetermined amount.
    Type: Grant
    Filed: February 15, 1980
    Date of Patent: June 2, 1981
    Inventor: John B. Hennessy
  • Patent number: 4270275
    Abstract: A probe for determining at what point in space contact is made between an object and a stylus. The stylus is located in an acurately defined rest position relative to a housing and slight deflection of the stylus away from this rest position is detected preferably by electrical switches.
    Type: Grant
    Filed: April 18, 1979
    Date of Patent: June 2, 1981
    Assignee: Rolls-Royce Limited
    Inventor: David R. McMurtry
  • Patent number: 4270276
    Abstract: A workpiece layout tool for precisely but expeditiously marking a plurality of points to be machined along the workpiece. A slide housing has parallel internal longitudinal grooves which allow the insertion of a slide bar, allowing longitudinal movement of the slide bar in relation to said slide housing. The outside end of the slide housing has two lips which allow the slide housing to be engaged with the reference edge of the workpiece. The outer end of the slide bar has a tab on its underside which rests against the reference edge of the workpiece to maintain a fixed relationship between a plurality of spaced apart holes located along the longitudinal center line of the slide bar and the workpiece. The holes may be threaded to receive appropriate marking implements such as pencil tips, ink tips, or machined scribing tips. A multiplicity of interchangable slide bars with different hole spacing or patterns may be used according to the specific design requirements of the workpiece.
    Type: Grant
    Filed: October 17, 1979
    Date of Patent: June 2, 1981
    Inventor: Martin C. Skura
  • Patent number: 4270277
    Abstract: A universal parallel ruler is disclosed. It is an arm-type ruler and includes a first base attached to a drawing board, a first arm attached to the first base, a second base attached to the opposite end of the first arm, a second arm attached on one end to the second base, and a third base attached to the opposite end of the second arm. The third base includes a lead having an x-scale and y-scale attached thereto. The scales define an (x,y) coordinate system. When the x and y scales are horizontal and vertical, respectively, a point (X,Y) may be selected on a set of (x,y) coordinate axes defined by the scales. If the scales are tilted by .theta. degrees, the position of the point (X,Y) may be determined along a new set of coordinate axes defined by the tilt angle .theta. of the scales and may be identified by a new coordinate point (x,y) relative to the new coordinate axes as follows:X=L.sub.1 cos .theta..sub.1 +L.sub.2 cos .theta..sub.2Y=L.sub.1 sin .theta..sub.1 +L.sub.2 sin .theta..sub.2x=X cos .theta.
    Type: Grant
    Filed: December 19, 1979
    Date of Patent: June 2, 1981
    Assignee: Asahi Seimitsu Kabushiki Kaisha
    Inventor: Masao Koenuma
  • Patent number: 4270278
    Abstract: The disclosure teaches a device for creating an infinite number of vector triangles such that a vehicle's speed may be set as one leg of a vector triangle and the apparent wind's speed and direction may be set as a second leg, solution of the third leg yielding true wind speed and relative wind direction which is convertible into true wind direction by reference to vehicle true heading.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: June 2, 1981
    Inventor: Robert G. Metzner
  • Patent number: 4270279
    Abstract: An inexpensive method for drying and sterilizing sewage sludge that has previously gone through a preliminary drying process and has, on the average, a solid matter content ranging between 15 and 35% and a maximum content of 40%. The sewage sludge is dried and sterilized by breaking it into ball-like particles having diameters ranging from 1 to 10 mm and coating these particles with quicklime. The entire process can be performed using a paddle mixture. The quicklime not only reacts with the surfaces of the particles so coated but also penetrates into their interiors. The resulting chemical reaction (H.sub.2 O+CaO T Ca(OH).sub.2) dries and sterilizes the sludge, without the necessity of applying heat from an external source, directly to produce a granular product which, for example, can be used as an agricultural fertilizer which can be scattered by a conventional fertilizer spreader.
    Type: Grant
    Filed: November 21, 1979
    Date of Patent: June 2, 1981
    Assignee: Techtransfer GmbH
    Inventor: Hanns E. Roediger
  • Patent number: 4270280
    Abstract: Rice drying apparatus, a dryer directing heated air through the rice being dried, a control maintaining predetermined differential between the wet bulb and dry bulb temperature of the air used in drying, a modulating apparatus controlling the heat of the burner, the method of establishing a predetermined differential between wet bulb and dry bulb temperature of the air used in drying rice and the like, and subsequently increasing the differential as drying proceeds.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: June 2, 1981
    Inventor: Jay L. McClaren
  • Patent number: 4270281
    Abstract: A washing and drying machine comprises a perforate drum 14 rotatable with a liquid container 11 having, in its upper portion, a recess 12 in which is disposed a heat-register or heating element 18 and a reflector 13 providing for direct irradiation of the drum 14. Drain opening 20 from the container 11 connects to a condensor arrangement 17 supplied with cold water 23 and an impeller in the form of a turbine 27 serves to recirculate air from the opening 20 back to a heat-exchange space 30 in the recess 12, between the heating element 18 and the container 11, from which it emerges by way of nozzles 31 along the periphery of the reflector 13.
    Type: Grant
    Filed: December 3, 1979
    Date of Patent: June 2, 1981
    Assignee: August Lepper Maschinen- und Apparatebau GmbH
    Inventor: Franz Muller
  • Patent number: 4270282
    Abstract: In a housing, a clothes dryer wherein dampness in washed clothes is expelled by warm air sweeping therethrough, the air being drawn in at least partly from the environment through openings formed in the housing and heated and, after absorbing the dampness, exhausted at least partly back into the environment, the air drawn in from the environment and exhausted to the environment being conducted through two channels of a heat exchanger with a solid-body regenerator alternatingly contacted in part by the drawn-in air and the exhausted air, the improvement therein including non-hygroscopic storage material received in the regenerator and absorbing thermal energy as loss-free as possible, storing the absorbed thermal energy as loss-free as possible and subsequently surrendering the thermal energy as loss-free as possible, the regenerator being air-permeable in axial direction thereof and being mounted in the drawn-in and exhausted air channels for rotation in a manner that every region of the regenerator is altern
    Type: Grant
    Filed: November 16, 1978
    Date of Patent: June 2, 1981
    Assignee: Bosch-Siemens Hausgerate GmbH
    Inventor: Helmut Lotz
  • Patent number: 4270283
    Abstract: An apparatus and method for removing moisture from a porous textile web. The web is passed sequentially through a plurality of drying regions, dividing each of the drying regions into an upper drying zone and a lower drying zone. Air is drawn through the traveling web by variable speed fans disposed in the drying regions, the air forced by each of the fans into an air passageway having fluid communication with all of the upper drying zones and separated into air channels by divider panels.
    Type: Grant
    Filed: January 10, 1979
    Date of Patent: June 2, 1981
    Inventor: James F. Ellis
  • Patent number: 4270284
    Abstract: A method of teaching and display, and a fast process of producing a display for better teaching of linguistic, literary, and/or stylistic features of languages by coloring selected text portions or adjacent areas such as indicia, the aura round the indicia, a block around the indicia and aura, and background or any part thereof. The display illustrates by colored characters, words, emphasis, grammar, syntax, meter, rhythm, and/or poetic devices. The colors relate one portion or element of language to another to present in a single display frame a complete language text with color emphasis to provide implied comparison to identify hidden patterns. The method is compatible with a high speed electrical processing mean to quickly provide the display. Preferably the generating process utilizes electrical processing means for generating the language text and color emphasis and the interrelation of the text and color emphasis for display, preferably on a cathode ray tube display or on a printed display.
    Type: Grant
    Filed: September 19, 1978
    Date of Patent: June 2, 1981
    Inventor: Edmund Skellings
  • Patent number: 4270285
    Abstract: A shoe having an adjustable and flexible closure assembly utilizing separable fastening members having coacting, flexible gripping elements, such as hook and loop Velcro type fastening means in combination with an elastic instep-gore or elastic side-gores. The closure assembly includes an anchor strap having an opening to engage a fastener strap permitting the wearer to easily pull the uppers of the shoe inwardly and simultaneously to the precise desired tautness and fasten the shoe, using only one hand.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: June 2, 1981
    Inventor: Anthony J. Antonious
  • Patent number: 4270286
    Abstract: A suspension for a replaceable hydraulically operable tool attachment on the tool holder excavator or crane comprises a fork member pivoted to the tool holder by pivot pins which contain bores to establish hydraulic communication between fluid supply and discharge passages in the tool holder and associated passages in the fork member leading to the tool.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: June 2, 1981
    Assignee: Liebherr-Hydraulikbagger GmbH
    Inventor: Rolf Mieger
  • Patent number: 4270287
    Abstract: A framed picture holder suitable for affixing to a supporting member which includes a relatively stiff, clear front cover, a relatively flexible, clear or opaque rear cover and a sectional frame of suitable dimensions to peripherally join the front and rear covers. An indicia bearing sheet, which may be a photograph, is cut to the size and configuration of the front cover and the rear cover and is sandwiched therebetween. The peripheral framing members secure the parts together. A plurality of registered openings are provided through the combination front cover, picture and rear cover for attaching purposes.
    Type: Grant
    Filed: January 4, 1979
    Date of Patent: June 2, 1981
    Inventor: R. Keith Gimbel