Patents Issued in December 18, 1979
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Patent number: 4178970Abstract: A hand loom of improved and simplified construction in which the course of travel of the warp threads during the weaving operation is similar to conventional looms. However, the loom of the present invention is provided with a beater which is mounted for horizontal reciprocation so that the beater is maintained parallel and square with the warp threads at all times during such reciprocal movement. The beater is mounted directly adjacent the front harness at a point proximate the greatest opening of the shed.The present loom also has a plurality of harnesses of novel construction, with each of the harnesses being actuated by its own individual lifting means. Thus, a lifting lever, having an elongated arm and an upstanding leg, is positioned beneath each harness and is adapted to raise a selected harness when the outer end of the lever arm is depressed by the operator.Type: GrantFiled: May 1, 1978Date of Patent: December 18, 1979Assignee: Christine E. MuellerInventor: William F. Mueller
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Patent number: 4178971Abstract: There are disclosed a method of and an apparatus for controlling weft threads, particularly in jet weaving machines with alternating insertion of two different wefts into a shed. At least during the inserting time of the first weft the end of the second weft inserted into the shed before said first weft is held and tensioned and is cut upon finishing the inserting operation of said first weft.The apparatus for controlling wefts includes a pair of inserting jets and weft directing means with guides for each of the weft threads, weft traps being provided between the appurtenant nozzle and the weft directing means, for the purpose of trapping the appurtenant weft in the non-inserting position of the appurtenant inserting nozzle.Type: GrantFiled: May 24, 1978Date of Patent: December 18, 1979Assignee: Vyzkumny a vyvojovy ustav Zavodu vseobecneho strojirenstviInventors: Jaromir Malasek, Vladimir Kuda, Miroslav Bucek
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Patent number: 4178972Abstract: A pair of die rolls of novel construction are disclosed which act upon a continuous wire having a preliminary zig zag formation in order to impact the bends in the wire and thus narrow the formation, preparatory to use of the wire as a ring binder. Each roll has a continuous spiral groove with a first section of progressively narrowing width which is substantially wider than the wire bend which it accommodates, and a second section of constant width. A knob or projection is formed on at least one side wall of the groove in each roll at the juncture of the first and second sections, which impacts the wire bend as it passes, giving it a set.Type: GrantFiled: August 14, 1978Date of Patent: December 18, 1979Assignee: Hans Sickinger Co.Inventor: Ernst Pfaffle
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Patent number: 4178973Abstract: A tool for applying bundle ties comprises a frame supporting a reciprocable carriage in a guide path leading to a loop guide around which ties are to be driven by the carriage. The carriage is reciprocated by a drive rod having a handle projecting laterally through a slot in the frame for manual operation. A trigger is mounted in a handle of the frame and is coupled to the rod by a clutch arranged to engage the rod on rearward movement of the trigger.Type: GrantFiled: August 23, 1978Date of Patent: December 18, 1979Assignee: AMP IncorporatedInventors: John C. Collier, Leonard J. Owen
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Patent number: 4178974Abstract: Fluid is forced from a reservoir into an evacuated chamber by forcing a plunger into the reservoir. When it is desired accurately to stop the flow of the fluid, the plunger is withdrawn and concurrently the pressure in the reservoir is reduced to that of the evacuated chamber by means of vacuum pump connected to the reservoir.Type: GrantFiled: August 29, 1977Date of Patent: December 18, 1979Assignee: RCA CorporationInventor: Jonathan S. Levin
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Patent number: 4178975Abstract: A dispensing device for toothpaste or other paste-like material, comprising an elastically deformable duct arranged within a housing and connected at one end to a container of the material to be dispensed and at the other end to a delivery mouth. Parallel to the duct there is movable a carriage having a member capable of engaging the duct to squeeze it in a given direction, thus causing dispensing of a controlled amount of the material contained in the duct, while simultaneously sucking up therein a substantially equal amount of material. The carriage is operable by a toothbrush or other receiving member which is insertable into the housing below the delivery mouth. The material is dispensed directly on the bristles of the toothbrush or other receiving member while the same travels below the delivery mouth during return of the carriage and toothbrush under the action of a return spring.Type: GrantFiled: October 18, 1977Date of Patent: December 18, 1979Inventor: Carlo Crespi
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Patent number: 4178976Abstract: A unitary, hermetically-sealed but pierceable dispensing container, suitable for packaging parenteral solutions, is made from a flexible, generally tubular body of thermoplastic material utilizing a form, fill and seal technique and a movable, composite mandrel that includes a forming ram member for compression molding from within the container a container wall portion which includes a pierceable membrane. The tubular body is closed at one end and terminates at the other end in a draining region having an access aperture or port sealed by a unitary membrane of predetermined thickness. The membrane permits penetration of a cannula therethrough without coring, and an annular sealing means surrounding the aperture is adapted for frictional and sealing engagement of the cannula after the membrane has been penetrated.Type: GrantFiled: October 16, 1978Date of Patent: December 18, 1979Assignee: Automatic Liquid Packaging, Inc.Inventors: Gerhard H. Weiler, Dieter H. Nagel, Louis T. Pagels
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Patent number: 4178977Abstract: A molded plastic cover for a lawnmower, the cover consisting of two interslidable halves or shells in order to fit different sizes of lawnmowers, each opposite end of the cover having an underside inward lip for sliding under the lawnmower edges so to prevent a wind to blow the cover off.Type: GrantFiled: May 12, 1978Date of Patent: December 18, 1979Inventors: Ferdinand Sur, George Spector
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Patent number: 4178978Abstract: A manual operator for a coiling door has a reel mounted for free rotation on a shaft supporting drums to which the coiling door is secured. An endless flexible non-extensible element is mounted on the reel with a sufficient number of turns thereon for complete opening or closing of the door and the reel is secured to the adjacent one of the door supporting drums. The resilient non-extensible element is manually drawn to open or close the door and may be provided with hand holds to facilitate grasping thereof. A guide for the flexible non-extensible element may be secured adjacent the reel to guide the flexible non-extensible element onto and off of the reel.Type: GrantFiled: June 26, 1978Date of Patent: December 18, 1979Assignee: Harsco CorporationInventor: Peter B. Burnham
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Patent number: 4178979Abstract: A molten metal is poured into the upper end of a vertically tubular continuous-casting mold and is withdrawn as a hardened casting from the lower end of the mold. An electromagnetic field is displaced upwardly counter-current to the descending metal so as to mix the molten part of the metal and displace non-magnetic inclusions away from the hardening skin of the metal. The mold is operated in accordance with the following formula:B.sup.2 .times.L=(1/.gamma.v)(16d.sup.2 +120d)wherein B equals effective strength of magnetic field in tesla, L equals overall vertical length of field in meters, .gamma. equals electrical conductivity of metal being cast in ohms.sup.-1 .times.meter.sup.-1, v equals vertical travel speed of field in meters/second, and d equals desired surface depth of non-metallic inclusions in millimeters i.e., the distance from the outer surface of the casting in a direction normal to this surface.Type: GrantFiled: July 13, 1977Date of Patent: December 18, 1979Assignee: Institut de Recherches de la Siderurgie FrancaiseInventors: Jean-Pierre Birat, Roger Ventavoli
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Patent number: 4178980Abstract: A phase-separating member of annular form supplies a liquid phase, which converges towards a molten stream of metal. The liquid phase is distributed in the form of at least two layers, the upper layer meeting the metal stream at a distance h which is not greater than 300 mm from the bottom of the upper supply container, each layer forming an angle .gamma. greater than 30.degree. with the said stream and being intended to protect a proportion of the vertical extent of the stream h not greater than 600 mm. The invention is applicable to protecting casting streams of large diameter and considerable height, in particular between the ladle and the tundish in the continuous casting of slabs.Type: GrantFiled: September 15, 1978Date of Patent: December 18, 1979Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Ghislain Gilbert, Jean Galey, Gerard Bentz
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Patent number: 4178981Abstract: A copper mold release material comprising titanium dioxide slurried in a liquid medium. The titanium dioxide is easily removed from a casting, if any adhers thereto, by washing with, for example, water and does not contaminate electrolytes utilized in electrolytic refining processes.Type: GrantFiled: June 29, 1978Date of Patent: December 18, 1979Assignee: Kerr-McGee CorporationInventor: Edward C. Murray
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Patent number: 4178982Abstract: Method and apparatus for continuously casting hollow bars in which a one-piece mandrel is suspended from a support bar secured across the top of a female die by a retaining ring which holds down the female die. A cooler surrounds the female die and the retaining ring is fixed to the cooler. The mandrel extends axially within the female die, and the mandrel support bar leaves relatively large crescent-shaped pouring areas permitting easy access by a pouring spout which dispenses molten metal directly into the space between the female die and the mandrel. Quick connect and disconnect fasteners are employed to secure the support bar to the retaining ring so as to facilitate replacement of the mandrel during a casting operation. A pair of guide pins is also provided to facilitate and center installation of the mandrel.Type: GrantFiled: October 28, 1977Date of Patent: December 18, 1979Inventor: Gus Sevastakis
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Patent number: 4178983Abstract: In a method for manufacturing a stainless steel die cast product having low melting point, an alloy consisting of 0.01-0.1% by weight of carbon, 1.0-3.0% by weight of silicon, not more than 12% by weight (but excluding 3-7% by weight) of manganese, 8-25% by weight of nickel, 16-20% by weight of chromium, 1.5-2.5% by weight of copper, 0.2-0.7% by weight of boron, 0.5-2.0% by weight of molybdenum and the balance of iron is die-casted in a metal mold made of a tungsten alloy or a molybdenum alloy and maintained at a temperature of the metal mold of 250.degree.-450.degree. C. under conditions of a casting temperature higher than the liquid phase temperature of the molten alloy by 100.degree.-150.degree. C., an injection pressure of 200-500 kg/cm.sup.2, and an injection plunger speed of 0.2-1.0 m/sec.Type: GrantFiled: September 26, 1978Date of Patent: December 18, 1979Assignee: Toshiba Kikai Kabushiki KaishaInventors: Zenichi Mochizuki, Yasuo Sugiura, Nobuo Kashiwagi
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Patent number: 4178984Abstract: An inverted U-shaped frame is provided to straddle the injection molding machine, and a chain conveyor provided with spaced apart groups of L-shaped insert carriers is moved along the frame. An insert chute is provided for working side of the frame for loading cylindrical inserts on the carriers. An insert transfer device is provided on the other side of the frame for transferring the inserts from the chain conveyor to an insert holder which is swung between the insert transfer device and the metal mold. The holder holds the inserts in a pattern corresponding to the pattern of the inserts when they are disposed in the metal mold. The chain conveyor is moved intermittently at a predetermined feed pitch. An insert detector is provided near the chute and when the detector detects that an insert carrier is not loaded with an insert, the direction of movement is reversed to return the empty insert carrier to the chute to load an insert thereon.Type: GrantFiled: July 6, 1978Date of Patent: December 18, 1979Assignee: Ube IndustriesInventor: Tatsuo Ishikawa
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Patent number: 4178985Abstract: Installation for manufacturing wire by projecting a jet of electrically conductive metallic liquid through a die into a cooling medium, comprising a crucible equipped with a heating device, a die and an enclosure containing a gas under pressure, an enclosure containing a cooling medium and a wire-receiving device is improved by providing the installation with a thermally and electrically conductive immobile hot piece arranged in such a manner as to debouch into the section of a crucible passageway which is wetted by the metallic liquid, occupies that section and is in contact with a cooling element and with one of the poles of a source of electric current, while an electrically conductive cold piece is connected to the other pole of the source of electric current and assures electrical contact with the jet or the wire.Type: GrantFiled: December 29, 1977Date of Patent: December 18, 1979Assignee: Compagnie Generale des Etablissements MichelinInventor: Philippe Sauvage
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Patent number: 4178986Abstract: A directional solidification melting and self-casting apparatus is improved through the provision of a multi-zoned, self-casting furnace including the combination of an induction heated, insitu charge melting upper zone and a resistance heated lower zone.Type: GrantFiled: March 31, 1978Date of Patent: December 18, 1979Assignee: General Electric CompanyInventor: Russell W. Smashey
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Patent number: 4178987Abstract: Moving bed hydride heat pumps and pressure pumps are described in which a hydride-forming material is transported between two or more reactor vessels. Each vessel can be maintained at a predetermined temperature, and thus, the hydride-forming material may be heated or cooled by moving it into an appropriately heated or cooled reactor vessel. In this way thermal cycling of reactor vessels is reduced or eliminated. Both continuously operating and moving batch hydride pumping systems are disclosed.Type: GrantFiled: July 12, 1978Date of Patent: December 18, 1979Assignee: Standard Oil Company, a corporation of IndianaInventors: Walker H. Bowman, Bruce E. Sirovich
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Patent number: 4178988Abstract: A control circuit for a combination furnace and heat pump wherein a temperature dependent relay is connected to a thermostat such that the heat pump is operated to supply heat to an enclosure when the outdoor temperature is above a predetermined level and the furnace is operated to supply heat to the enclosure when the outdoor temperature is below a predetermined level. To defrost the outdoor coil of the heat pump the furnace is operated to supply heat to the indoor coil of the heat pump and a reversing valve relay is energized whereby the heat pump is operated in a reverse direction to supply heat to the outdoor coil for defrost.Type: GrantFiled: November 10, 1977Date of Patent: December 18, 1979Assignee: Carrier CorporationInventors: Peter L. Cann, Phil J. Karns, Fred V. Honnold
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Patent number: 4178989Abstract: A system to accomplish both air cooling and air heating of indoor space by utilizing solar energy. In principle the disclosed system is an absorption refrigeration system, wherein a solution of an evaporable refrigerant in a less evaporable solvent is passed through a solar collector-generator, but the system has additional fluid passages with the provision of changeover valves arranged so as to pass the refrigerant in heated and vaporized state from the collector-generator to an indoor heat exchanger, bypassing the condenser of the refrigerator, thereby to accomplish air heating and return the refrigerant in liquid state from the heat exchanger to the collector-generator, bypassing the absorber of the refrigerator.Type: GrantFiled: April 14, 1978Date of Patent: December 18, 1979Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Isao Takeshita, Nobuhiko Wakamatsu, Eiji Ando, Hiroyoshi Tanaka, Shiro Hozumi
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Patent number: 4178990Abstract: The invention relates to an improved aqueous solar energy collector system which includes a heat exchange panel wherein a getter having a surface layer in contact with the aqueous fluid which is characterized by a high affinity for corrosive metal ions in the aqueous fluid is provided upstream of the heat exchangers to thereby remove said corrosive ions from the aqueous fluid before it is introduced into the heat exchanger.Type: GrantFiled: November 15, 1977Date of Patent: December 18, 1979Assignee: Olin CorporationInventor: James M. Popplewell
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Patent number: 4178991Abstract: The heat exchanger element is constructed with radially disposed walls so as to sub-divide the element into flow zones with alternating zones carrying first and second heat-exchange media. The alternating zones convey the media in opposite directions to carry out the heat exchange. The walls may be of flat shape disposed in a radial pattern or may be formed of corrugated plates interspaced between flat walls.Type: GrantFiled: October 6, 1976Date of Patent: December 18, 1979Assignee: Sulzer Brothers Ltd.Inventor: Hans Bieri
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Patent number: 4178992Abstract: A metal seal plug for use in sealing a tubing run is disclosed. The plug includes upper and lower tubular housings connected together for limited movement therebetween by an inner mandrel. The lower housing contains a locking unit which when actuated locks into a recess formed in the tubing to lock the plug in the tubing. The upper housing contains an actuator for actuating the locking unit when the upper housing is forced down with respect to the lower housing. The lower housing also contains a metal seal ring which engages metal sealing surfaces on the tubing and on the lower housing to seal off the space between the plug and the tubing. The distance between the locking unit and the metal seal ring and the distance between the recess and the sealing surface on the tubing run are selected to ensure that the metal seal ring is properly loaded when the plug is locked in the tubing.Type: GrantFiled: January 30, 1978Date of Patent: December 18, 1979Assignee: Exxon Production Research CompanyInventors: Louis M. Regan, Thomas W. Childers, Roy E. Anderson, Joseph A. Burkhardt
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Patent number: 4178993Abstract: Production is initiated from a gas well which is kept from producing by the hydrostatic pressure of the liquid it contains, by injecting an aqueous liquid that contains reactants which form nitrogen gas within the wall or reservoir and displaces enough liquid out of the well to lower the hydrostatic pressure to less than the fluid pressure in the adjacent portion of the reservoir and cause fluid to flow from the reservoir to the well.Type: GrantFiled: May 4, 1978Date of Patent: December 18, 1979Assignee: Shell Oil CompanyInventors: Edwin A. Richardson, Ronald F. Scheuerman
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Patent number: 4178994Abstract: In a warehouse having a plurality of framed storage rack structures arranged parallel along a first coordinate axis to define parallel lanes, each of the structures includes a plurality of columns horizontally spaced along a second coordinate axis and a plurality of racks vertically spaced along a third coordinate axis so that a plurality of storage locations are defined and addressable in terms of the positions on the first, second and third coordinate axes. A first plurality of fire sensors are provided in the storage rack structures to indicate the position of a fire in terms of the first and second coordinate axes. A remote-controlled load-handling structure is provided for each lane for carrying an article to a selected storage location in response to a command signal delivered from a central console through a communication link. A second plurality of fire sensors are mounted on the load-handling structure in positions corresponding to the vertically spaced storage locations.Type: GrantFiled: February 16, 1978Date of Patent: December 18, 1979Assignees: Nissan Motor Company, Limited, Ishikawajima-Harima Jukogyo Kabushiki KaishaInventors: Akira Ito, Masao Matsui
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Patent number: 4178995Abstract: A self-propelled ballast cleaning machine useful for work in track switch and other widening track sections comprises selectively operable on- and off-track undercarriages supporting the machine frame for selected on- or off-track operation. A ballast excavation chain adjustable in width for operation in widening track sections delivers excavated ballast to a screen for cleaning the ballast and the excavated ballast is stored immediately adjacent a ballast excavating chain portion when it may be discharged in controlled amounts. A vertically movable plow levels the discharged ballast and includes plowshares adjustable for leveling ballast in widening track sections.Type: GrantFiled: May 13, 1977Date of Patent: December 18, 1979Assignee: Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H.Inventors: Josef Theurer, Karl Folser
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Patent number: 4178996Abstract: An implement has two elongated tined carriers that extend transverse to the direction of travel. The carriers are moved through circular orbits around spaced apart driving shafts that extend upwardly. An eccentric for each carrier is journalled to each shaft and includes a disc with encircling ring having support plates that are bolted to the respective carrier. The upper eccentrics extend forwardly from a drive shaft, located between the carriers, to the forward carrier and the lower eccentrics extend rearwardly to the trailing carrier. The carriers are off set relative to one another as well as out-of-phase. An elongated levelling beam is adjustably connected to the forward carrier and a supporting roller is connected to the frame at the rear of the trailing carrier.Type: GrantFiled: October 6, 1977Date of Patent: December 18, 1979Inventor: Cornelis van der Lely
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Patent number: 4178997Abstract: A harrow has an elongated frame beam supporting a row of rotatable soil-working members mounted side-by-side on upwardly extending shafts. The frame beam and row of soil-working members extend transverse to the direction of travel of the harrow. At each lateral end of the row, a screening plate is positioned and pivoted to the frame beam. Each screening plate extends in a substantially vertical plane in the general direction of travel. Also, each plate has a lower support portion that rides over the ground and side edges that are inclined upwardly. The screening plates are supported on arms that can be pivoted to relocate the plates 180 degrees so they can rest in inverted positions on top of the frame beam during transport.Type: GrantFiled: April 14, 1975Date of Patent: December 18, 1979Assignee: C. van der Lely N. V.Inventors: Ary van der Lely, Cornelis J. G. Bom
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Patent number: 4178998Abstract: A multiple section agricultural implement having laterally inner and outer wing sections on laterally opposite sides of a central section for relative folding movement about longitudinal axes by hydraulically powered folding mechanisms. The lost motion connections in the folding mechanisms permit the implement sections to float relative to one another during use of the implement thereby assuring proper position of the tools when traversing uneven ground. The hydraulic jack of the folding mechanism between the outer and inner wing sections includes a clevis which presents a shoulder in abutting relation to an upper, slotted end of a link connected to the outer wing section when the latter is folded to approximately an overhead balanced position.Type: GrantFiled: April 17, 1978Date of Patent: December 18, 1979Assignee: Allis-Chalmers CorporationInventor: Randal L. Rockwell
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Patent number: 4178999Abstract: A reversible mounting bracket for releasably securing a tool to the tool bar of a soil tilling farm implement so that the tool may be readily removed or replaced when desired. The mounting bracket has a base plate adapted to be rigidly attached to the underside of the tool bar by U-bolts. A pair of transversely spaced longitudinally extended upright tool support arms are fixed to the lower surface of the base plate so as to extend in a direction parallel to the direction of travel of the implement. Disposed along the lower portions of each pair of support arms is a tubular socket that is open at the forward and rear end thereof so that the shank portion of the tool may be inserted through either end for securement in the socket by a pin connection.Type: GrantFiled: October 3, 1977Date of Patent: December 18, 1979Inventor: Elmer K. Hansen
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Patent number: 4179000Abstract: The body of a raise boring head is produced from a truncated cone. A variety of efficient and economical methods such as spin-forming, casting, rolling, etc. may be used in producing the truncated cone body. A multiplicity of rolling cutters positioned in cutter saddles are mounted on the truncated cone body. The mounting surfaces for the cutter saddles are on a continuous plane. The continuous plane can be produced on the truncated cone body in one turning operation. The raise boring head is self-cleaning due to the natural tendency of the cuttings to slide toward the periphery of the truncated cone body surface. The overall gross weight of the raise boring head is reduced and the strength-to-weight ratio is increased. The structural rigidity of the raise boring head is improved even though many of the structural components used in prior art raise boring heads have been eliminated.Type: GrantFiled: June 5, 1978Date of Patent: December 18, 1979Assignee: Dresser Industries, Inc.Inventors: Howard E. Mitchell, William C. Saxman
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Patent number: 4179001Abstract: In an underground mine, a machine for drilling upwardly is placed in one tunnel of the mine and is used to drill a vertical shaft communicating with another tunnel at a higher elevation. The machine is operated so as to install a liner or casing in the shaft in a step-by-step fashion, substantially concurrently with the corresponding steps of the drilling operation.Type: GrantFiled: September 23, 1977Date of Patent: December 18, 1979Inventors: Norman H. Still, Robert W. Berry, Jr.
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Patent number: 4179002Abstract: A hydraulic jarring tool includes a system for externally adjusting the sleeve valve flow rate mechanically. The jarring tool includes an outer member and an inner member telescopically arranged. Spline means between said outer member and said inner member transmit torque. A hammer and anvil system provides a jarring effect upon actuation of the tool. An upper seal and lower seal provide fluid seals between said outer member and said inner member. A working fluid is maintained in a working fluid chamber between the upper and lower seals. A detent means provides a tripping action to produce the jarring effect. The detent means includes a sleeve valve with an internal needle valve that is adjustable to change the fluid restriction. An exterior port allows a wrench or tool to be inserted to adjust the needle valve and provide a selectable size passage that produces the detent action by the slow metering of hydraulic working fluid.Type: GrantFiled: August 25, 1978Date of Patent: December 18, 1979Assignee: Dresser Industries, Inc.Inventor: James W. Young
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Patent number: 4179003Abstract: A seal acts as a barrier to the drilling fluid, pulverized cuttings and other materials in a borehole preventing the materials from entering the bearing area of a rolling cone cutter earth boring bit and retains lubricant inside the bearing area. A rolling cone cutter is rotatably mounted on a cantilevered bearing pin extending from the bit body. A "Z" seal is positioned between the cutter and bearing pin. An outer rigid seal ring is positioned around the bearing pin. The outer rigid seal ring is split to allow radial expansion and contraction. An inner rigid smaller diameter seal ring is positioned around the bearing pin. The inner rigid seal ring is also split to allow radial expansion and contraction. An elastomer ring is located between the inner and outer rigid rings and affixed to the rigid rings.Type: GrantFiled: December 21, 1978Date of Patent: December 18, 1979Assignee: Dresser Industries, Inc.Inventors: Thomas W. Cooper, Ernest E. Taylor
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Patent number: 4179004Abstract: Load cell in which the magnitude of a force, such as the weight of a load, is determined by the stress produced in a bending beam to which the load is applied. A lever system permits the use of a thicker beam which results in highly accurate and repeatable readings even in load cells of relatively low capacity, e.g. less than 2 pounds. One embodiment has two load receiving arms connected to different points in the lever system to provide a dual capacity load cell.Type: GrantFiled: February 15, 1978Date of Patent: December 18, 1979Assignee: National Controls, Inc.Inventor: Willem Ebbinge
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Patent number: 4179005Abstract: Weighing apparatus of the electromagnetic load compensation type is disclosed, including a permanent magnet system connected with the stationary frame, a compensation coil connected with the movable scale member, a system for supplying compensating current to the coil to produce a force for returning the movable scale member to its initial no-load position, and an indicating device for displaying the magnitude of the load applied to the movable scale member as a function of the compensating current, characterized by the mounting of a slotted generally U-shaped conductive metal plate in spaced insulated relation concentrically about the core portion of the permanent magnet system. After the weighing apparatus has been completely assembled, the leg portions of the plate are transformer connected with an alternating-current source for calibrating and/or conditioning the permanent magnet system.Type: GrantFiled: October 13, 1978Date of Patent: December 18, 1979Assignee: Mettler Instrumente AGInventor: Peter Kunz
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Patent number: 4179006Abstract: A power transmission mechanism for transmitting rotary motion performs two separate functions: It steps down the rate of rotation of an input shaft so that a rotatable member driven through the transmission mechanism rotates at a slower rate; and it also provides resilient energy storage so that the rate of rotation of the rotatable member can vary intermittently in response to load variations that are imposed upon it.A rotatable member that is to be driven has a cylindrical track secured to it. A roller frame carries three separate rollers which engage the track at spaced locations around its circumference so that the rotatable member is rotatable relative to the roller frame. A driven shaft is directly attached to one of the rollers so as to thereby drive the rotatable member. The driven shaft is rotatably supported from an associated housing.Type: GrantFiled: February 27, 1978Date of Patent: December 18, 1979Inventors: Isidore J. Lenack, Roger D. Lenack
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Patent number: 4179007Abstract: A wind operated electrical power generating device mounted on a self-propelled vehicle comprises a wind rotated rotor mounted on a flywheel and at least one generator which is powered by the rotating flywheel. The operative connection between the generator and flywheel, in the preferred embodiment, comprises a wheel mounted on the generator shaft and tracking within a continuous grooved channel formed in the inner or outer periphery of the flywheel.Type: GrantFiled: June 1, 1978Date of Patent: December 18, 1979Inventor: Robert R. Howe
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Patent number: 4179008Abstract: A loudspeaker assemblage is made up of a group of cylindrical speaker housings, with a speaker mounted in each housing. A respective spacer in the form of a wedge block or angle sleeve is interposed between adjacent housings, so that housing end closures abut respective wedges. A flexible tension member passes through each speaker housing and spacer so that when the tension member is taut, the housings and spacers are clamped to make up a relatively rigid structure having a generally toroidal shape. The tension member is releasable so that the speaker housings can be rotated about a respective axis normal to the speaker axis to selectively orient the speakers. When the tension member is taut, the speakers are retained in the selected orientation.Type: GrantFiled: April 24, 1978Date of Patent: December 18, 1979Inventor: Ted L. LeTourneau
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Patent number: 4179009Abstract: To mount a loudspeaker from one side only against a resonance panel, typically in a panel of an automotive vehicle on which the rear is, practically, inaccessible, the loudspeaker basket is formed with a holding ring having an outer thread; a mounting ring with an inner thread is secured to the holding ring, the mounting ring being formed with resilient laterally projecting gripper fingers so that, after loose preassembly of the mounting ring on the holding ring and the loudspeaker, the preassembly can be snapped through a loudspeaker opening in the panel, and the speaker then tightened against the panel by engaging the resiliently projecting gripper fingers, now behind the panel, with the rear panel surface, and screwing the loudspeaker tight. An attachment tool in the form of a bail, which can engage in recesses formed at the face of the loudspeaker, for example in holes of a sound panel, is preferably used to facilitate insertion and tightening.Type: GrantFiled: March 6, 1978Date of Patent: December 18, 1979Assignee: Blaupunkt-Werke GmbHInventor: Udo Birkner
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Patent number: 4179010Abstract: An accessory for converting a crane of the kind having a telescopically extendible jib pivotally connected to a turntable into access equipment comprising a unit to be fitted to the free end of the jib of the crane, a bracket member pivotally connected to said unit for rotation about a horizontal axis, first hydraulic cylinder means extending between said unit and the bracket and capable of being actuated to adjust the orientation of said bracket relative to the jib of the crane, a boom structure pivotally connected relative to said bracket for movement in a vertical plane about a horizontal axis, a working platform or cage pivotally connected to the end of said boom structure remote from said bracket, second hydraulic cylinder means for causing pivotal movement of said boom structure relative to said bracket and means for maintaining said working platform or cage level regardless of the angle of inclination of said boom structure.Type: GrantFiled: November 21, 1977Date of Patent: December 18, 1979Assignee: Simon Engineering Dudley LimitedInventor: Denis H. Ashworth
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Patent number: 4179011Abstract: A ladder having an upper end brace attached to the upper end of the ladder, the upper end brace incorporating leg means adapted to extend over the ridge of the roof, and engage the pitch of the roof on the opposite sides from the ladder, thereby securing it in position without the use of further fasteners. A ladder spacer is provided towards the lower end of the ladder which is adapted to raise the ladder off the roof.Type: GrantFiled: October 21, 1977Date of Patent: December 18, 1979Inventor: Janus Morawski
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Patent number: 4179012Abstract: A stairway lift for use by an invalid or handicapped person has at the upper end of the stairs a drive sprocket, at the lower end of the stairs an idler sprocket, and a pair of tubular guides between the sprockets. An endless conveyor element in the form of a cable provided with a succession of closely spaced balls is displaceable within this guide and is connected to a carriage so that rotation of the drive sprocket can move this carriage up or down along the stairway. The idler sprocket is permanently connected to a centrifugal brake that stops displacement of the conveyor element whenever its speeds exceeds a predetermined maximum safe level. Furthermore the cable and the balls are relatively dimensioned so that the cable can transmit compressive forces to the idler sprocket and the brake in the event of cable rupture immediately above the carriage.Type: GrantFiled: April 28, 1978Date of Patent: December 18, 1979Assignee: Rigert Maschinenbau AGInventor: Heinz Heberle
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Patent number: 4179013Abstract: A coil spring is provided which extends around and along a peripheral cylindrical surface formed of a cylindrical boss defined at the central portion of a rotary body and an adjacent cylindrical mounting tube of a bicycle wheel hub to which the rotary body is screwed for rotation therewith. When the rotary body receives braking torque from a braking surface applied thereto in a manner which would cause an unscrewing of the rotary body from the mounting tube, the coil spring becomes smaller in diameter to tighten about the cylindrical boss and mounting tube to prevent the unscrewing of the rotary body.Type: GrantFiled: August 4, 1978Date of Patent: December 18, 1979Assignee: Shimano Industrial Company LimitedInventor: Masayoshi Kine
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Patent number: 4179014Abstract: A plate is locked in situ on a table that has a guide for controlling the vement of the plate in a predetermined direction. A pair of members are moved between a first position where they are applied to fixedly connect the plate to the guide and a rest position where the plate can be moved. Ramps are inclined relative to the predetermined direction of the guide. The ramps and member are positioned so the member is movable between the first and rest positions along the ramps. The ramps cooperate with the member and are displaceable substantially in the predetermined direction as the plate moves on the guide.Type: GrantFiled: March 23, 1978Date of Patent: December 18, 1979Assignee: Compagnie International pour l'Informatique Cii-Honeywell BullInventor: Emile Bailly
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Patent number: 4179015Abstract: A compactor module is adapted to be attached to a tractor module to form a complete unit. Eight pneumatic tires support the rear portion of the compactor. An emergency or parking brake is attached to each compacting wheel. The brakes are interconnected by a continuous cable and pulley control system. All brakes are applied in unison when the cable tension in the control system is increased, due to the retraction of a piston rod of an air cylinder connected to one end of the cable. The rod retracts when the pressure in the air cylinder falls below a certain predetermined level. The rod projects outwardly when the pressure in the air cylinder returns above the predetermined level. The tension in the control system is relaxed when the air pressure in the cylinder again rises above the predetermined level, the rod returns to its extended position, and the brakes are substantially simultaneously released. The other end of the cable is attached to a winch.Type: GrantFiled: October 30, 1978Date of Patent: December 18, 1979Assignee: Clark Equipment CompanyInventor: Robert L. Siewert
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Patent number: 4179016Abstract: A final drive assembly for an agricultural tractor has a casing in which are journalled the outer end of a half-shaft and, parallel to the half-shaft, a final drive shaft. The two shafts are driveably interconnected by fixed ratio speed reduction gearing lubricated by mineral oil contained in the casing. A multi-disc brake can frictionally interconnect the half-shaft and the casing, and is operated via a linkage by a hydraulic slave cylinder housed within the casing and preferably actuated by mineral oil to avoid contaminating the lubricating oil in the event of any leakage from the cylinder.Type: GrantFiled: January 25, 1977Date of Patent: December 18, 1979Assignee: David Brown Tractors LimitedInventors: William Alderman, Eric C. Hodgson
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Patent number: 4179017Abstract: A bale turner for attachment to a bale making machine for rotating bales one quarter turn containing a concave plate suspended between two frame members following behind the discharge chute of the hay baler. A guide bar is welded to the concave plate which forces the edge of the bale down into the center of the concave plate as the bale travels down the plate from the discharge chute of the hay baler. This in effect starts to set the bale on edge so that it would rotate back onto the plate chamber side down.Type: GrantFiled: April 3, 1978Date of Patent: December 18, 1979Inventor: Martin C. Tilley
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Patent number: 4179018Abstract: A method and apparatus for recovering metal containers of a selected type from a collection of trash is disclosed. The apparatus includes pneumatic and magnetic separators for removing extraneous debris. The separated containers are crushed and weighed. Compensation is issued in response to the weight of the separated containers. The separated containers are stored in an overhead compartment for collection and transportation.Type: GrantFiled: December 27, 1976Date of Patent: December 18, 1979Inventor: John H. Miller
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Patent number: 4179019Abstract: A used lubricating oil reclamation apparatus in which filters, heat exchangers, a vaporizer unit, pumps and other necessary equipment are all contained in a wheeled cabinet. The oil to be reclaimed is pumped through a warming heat exchanger, a first filter, a vaporizer unit, and further filters, after which appropriate additives are mixed into the decontaminated oil in a mixing tank. A vacuum is maintained on the vaporizer unit to exhaust the vapours from it via the heat exchanger and a condensate tank.Type: GrantFiled: January 9, 1978Date of Patent: December 18, 1979Inventor: Harry L. Danziger