Patents Examined by John E. Griffith, Jr.
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Patent number: 4527661Abstract: An adaptive control system for a machine tool or the like includes a temperature sensor for measuring spindle bearing temperature and two pairs of thrust sensors for measuring radial and axial spindle deflection. Data processing apparatus, typically comprised of a microcomputer, is coupled to the temperature and thrust sensors and regulates the percentage of oil in the oil-air mixture lubrication mist sprayed on bearing contact surfaces in accordance with bearing temperature. The microcomputer simultaneously regulates the spindle bearing preload and spindle axis feedrate in accordance with radial and axial spindle thrust, thereby assuring optimum machine tool performance.Type: GrantFiled: October 29, 1981Date of Patent: July 9, 1985Assignee: Kearney & Trecker CorporationInventors: Richard Johnstone, Edward E. Kirkham
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Patent number: 4512441Abstract: An improved grease fitting of the type generally referred to as a blowdown fitting is provided, including a plurality of sealing means which enables lubricant to be safely injected into the lubricant supply system. An upper body is rotatable with respect to the main body, and pressure may be vented through a cap threaded to the upper body. A stinger assembly is rotatable with respect to both main body and the upper body, which enhances the life of the seal between the stinger and the main body. A sealing ball is provided between the stinger assembly and the cone, and is biased toward its seating surface by a spring adapted to enable a lubricant/polyester plasticizer mixture to pass through the fitting.Type: GrantFiled: June 28, 1982Date of Patent: April 23, 1985Assignee: General Screw Products CompanyInventor: Jack M. Cooper
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Patent number: 4506589Abstract: A firearm comprises a barrel having a bore and a receiver forming an ignition chamber. A bolt is slidable in the ignition chamber and includes a striker projection for igniting a primer of the projectile. A bolt advancing mechanism comprises an arm having a first end mounted on the bolt such that a second end of the arm is movable laterally relative to the fore-aft axis. A boss is carried at the second end of the arm. An actuator member is movable in the fore-aft direction relative to the bolt and boss, and includes a first cam surface inclined relative to the fore-aft axis for urging the boss forwardly and laterally. The boss is movable laterally along the first cam surface in response to the boss becoming aligned with a lateral groove in the receiver. Such lateral movement of the boss is in a direction tending to displace the bolt forwardly.Type: GrantFiled: October 6, 1982Date of Patent: March 26, 1985Assignee: Junker Systems, Inc.Inventors: Ralph D. Junker, James R. Helms
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Patent number: 4503750Abstract: A magazine for storing and delivering ammunition has a housing and a plurty of pairs of rotating members. The housing has curved inboard and outboard walls. Each pair of the members includes an inboard and outboard one, rotatably mounted at the inboard and outboard wall, respectively, at diametrically opposed, interior positions. Also included is inboard and outboard endless carriers disposed on the inboard and outboard ones of the members, respectively, to circulate thereon. The magazine also includes a hand-off sprocket and a plurality of engage rods, the latter being mounted across the carriers and spaced to allow the ammunition to fit therebetween. The hand-off sprocket is mounted alongside the carriers, for removing passing ones of the ammunition.Type: GrantFiled: January 10, 1983Date of Patent: March 12, 1985Assignee: The United States of America as represented by the Secretary of the ArmyInventor: James F. Ignacek
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Patent number: 4503773Abstract: An igniter for high-performance rocket motors having a full, head-end web of propellant in the forward end of the motor comprises a closed, rigid pressure vessel having walls which are formed of a consumable filament structure. The igniter includes a hollow cylindrical solid propellant having a high surface grain area which operates at high pressure and is removably attached to a liner that is provided in a cavity in the aft end of the propellant. The liner is machinable with the motor propellant grain thereby facilitating propellant grain cutback if required by a change in mission of the motor. The thrust produced by the igniter neither applies stresses to the motor propellant nor exerts any forces tending to eject it from the cavity.Type: GrantFiled: December 27, 1982Date of Patent: March 12, 1985Assignee: Thiokol CorporationInventor: Christopher W. Bolieau
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Patent number: 4502239Abstract: Method and apparatus for loading cartridges into a relatively large capacity firearm magazine of, for example, the rotating drum type is disclosed and includes structure defining a plurality of generally parallel extending slots for receiving cartridges in a horizontal attitude and arranged as a plurality of generally parallel, vertical columns of superposed cartridges lying in the slots. The structure also includes a sliding panel with a single cartridge-passing opening therein, which opening may be selectively aligned with any one of the cartridge columns. The cartridge-passing opening is then aligned with a magazine loading port and the cartridges transferred one at a time from the bottom of a column into the magazine. When a column is exhausted, the structure is shifted so as to align a different column with the aperture and loading port whereupon that column is transferred one at a time to the magazine.Type: GrantFiled: December 27, 1982Date of Patent: March 5, 1985Inventor: John E. Laguna
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Patent number: 4499968Abstract: Lubricator for bores in members, the lubricator being particularly useful for the lubrication of bores of small diameter with a lubricant of high viscosity. The lubricator has an applicator in the form of an elongated composite plunger having an outer tubular part and inner rod-like part disposed within the tubular part and reciprocable relative thereto. The inner part has an enlarged head thereon disposed axially outwardly of the confronting outer end of the outer tubular part, the head and the confronting end of the outer tubular part in the initial stage of operation of the lubricator defining a toroidal gap which receives and retains lubricant which it picks up as the outer end of the composite plunger travels through a reservoir for lubricant and thence into the bore of the member.Type: GrantFiled: September 16, 1981Date of Patent: February 19, 1985Assignee: Halkey-Roberts CorporationInventor: Harry L. Zimmerly
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Patent number: 4498368Abstract: A frangible fly through diaphragm for missile launcher tubes consists of epoxy and fiberglass plies with each ply being scored in predetermined patterns. The plies are bonded together and a Mylar/aluminum ply can be located on the missile side to provide gas sealing and electromagnetic interference protection. A segmented foam rubber outer layer can also be provided for additional protection from missile jet plumes.Type: GrantFiled: October 6, 1983Date of Patent: February 12, 1985Assignee: The United States of America as representedby the Secretary of the NavyInventor: William J. Doane
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Patent number: 4498558Abstract: A lubricating device is provided for greasing wire ropes and cables comprising a diametrally split housing with clamps to close the housing about the cable. Within the housing is a diametrally split core body of hard elastomeric material having an axial bore through which the cable travels axially. At the center of the core body is an internal cavity through which the cable passes and which is kept supplied with grease under pressure. Toward its ends the core body has two further internal cavities through which the cable passes, which serve to collect surplus grease. Between and beyond the grease supply and collection cavities, the axial bore of the core body is profiled so that each length of it has the form of an internal triangular section or Vee threaded screw thread; except that the directions of the screw thread are mutually reversed in the two halves of the split core body.Type: GrantFiled: November 22, 1982Date of Patent: February 12, 1985Assignee: Dynalube Holdings LimitedInventor: Samuel H. Bendahan
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Patent number: 4495866Abstract: A flash guide tube arrangement utilized primarily in propellant charge igniters for large-caliber ammunition with laterally located openings from which the ignition gases, emitted by conventional ignition systems, exit, either for the ignition of an ignition booster charge or for the direct ignition of a propellant charge. Indentations emanate axially from these openings and extend into the interior of the flash guide tube, the depth of the individual indentations decreasing in the direction toward the rear end of the flash guide tube. The indentations are preferably radially arranged and several of such radially disposed indentations can be provided in the flash guide tube. The rear end of the flash guide tube can furthermore be constructed as a cone having its apex pointing toward the ignition system.Type: GrantFiled: September 29, 1982Date of Patent: January 29, 1985Assignee: Dynamit Nobel AktiengesellschaftInventors: Uwe Brede, Gunter Hubsch, Rudolf Stahlmann
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Patent number: 4489809Abstract: A grease pump for railroad tracks operable by vertical deflections of the rail caused by the weight of the train as the train wheels pass over the track. The pump comprises a housing anchored to the ground and connected to a grease source. Pump operating means comprise a rigid beam connected to the track rail at one end and to a pump operating rod at an opposite end. The operating rod is connected to a cap-like pressure member fitting over the housing and operable by the rail deflection movement to draw grease through inlet port means from the grease source and pump the grease through outlet port means to a track lubricator. Check valves are provided in the pump to control the grease flow.Type: GrantFiled: January 3, 1983Date of Patent: December 25, 1984Inventor: John A. Wade
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Patent number: 4488206Abstract: A plurality of plastic fastener members each provided with a fixing part, a resilient piece, and an engaging face are attached fast to the side walls of the lamp housing for an automobile. When the lamp housing is inserted into an insertion hole formed in advance in the body panel of the automobile, the engaging faces of the fastener members come into fast engagement with the rear side of the edge of the insertion hole. Thus, the lamp housing is safely fastened to the automobile body by one action.Type: GrantFiled: July 1, 1982Date of Patent: December 11, 1984Assignee: Nifco Inc.Inventor: Akira Mizusawa
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Patent number: 4488208Abstract: A transparent lighting diffuser panel is provided for circular gas discharge lamps and having an inner surface, facing the lamp, comprising a generally cylindrical toroidal fresnel lens with the optical centerline of the lens approximately equal to the lamp circle diameter and coaxial with the center of revolution of the lamp tube; and an outer surface, facing away from the lamp, comprising an overall pattern of elongated linear triangular prisms in a radial pattern coaxial with the toroidal lens and the lamp.Type: GrantFiled: August 20, 1982Date of Patent: December 11, 1984Assignee: Union-Reed CorporationInventor: Jack V. Miller
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Patent number: 4486688Abstract: A method and an arrangement are disclosed for regulating a path length defined by a pressure-responsive unit. Whenever a coarse positional adjustment has been made, a pause period is made to elapse before a fine adjustment (if any) is carried out. This arrangement does not, due to the pause period, require any accommodation or tuning to regulating stages having different decay behaviors.Type: GrantFiled: February 17, 1982Date of Patent: December 4, 1984Assignee: Pierburg GmbH & Co. KGInventor: Eckehard Schmitz
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Patent number: 4483417Abstract: An airline lubricator in which a diaphragm is disposed in a closed annular chamber surrounding an axial air passage to divide the chamber into an air pressure chamber and a lubricant reservoir. The air pressure chamber is coupled by an angulated pressure tube to the primary air passage adjacent the lubricator inlet. A metering tube and adjustable screw arrangement at the output of the reservoir control the amount of lubricant fed to the primary air passage as a function pressure drop across the primary air path. A ball-type check valve including an adjustable valve seat is disposed across the primary air path in opposition to the metering tube for preventing passage of lubricant in the absence of primary air flow.Type: GrantFiled: July 28, 1982Date of Patent: November 20, 1984Assignee: La-Man CorporationInventor: David O. Mann
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Patent number: 4473868Abstract: A light mounting assembly for mounting safety lights on a towing vehicle includes a light carrying portion pivotably mounted to an attaching portion for pivoting the light carrying portion from a disposition normally on the top of the winching frame of the vehicle into a retracted position between the winching frame and the cab of the vehicle. The attaching portion includes a pair of bracket members adapted to be secured to the winching frame intermediate the frame and the cab and includes a rod rotatably carried by and spanning the attaching bracket members. A pair of cam members are fastened to the rod adjacent the attaching bracket members. The light carrying portion has two end members interconnected by a central support bar, and an arm fastened to each end member pivotably connects the end member to the respective attaching bracket member.Type: GrantFiled: October 31, 1983Date of Patent: September 25, 1984Assignee: Dover CorporationInventor: Vernon S. Moore
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Patent number: 4471410Abstract: A headlight apparatus for a motorcar including a headlight and a mechanism for protruding and retracting the same above and below, respectively, the upper front portion of the car body. The mechanism includes a pair of parallel links on each side of the headlight pivotally attached at one end to the car body and at the other to the headlight, a crank having a pin and being driven by an electric motor and a connector connecting the pin to one of the pair of parallel links intermediate the ends thereof.Type: GrantFiled: May 6, 1982Date of Patent: September 11, 1984Assignee: Honda Giken Kogyo Kabushiki KaishaInventor: Masahito Nakano
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Patent number: 4448285Abstract: The pulse lubricator is constructed to deliver oil sprays to various lubrication points of a power loom and includes a plurality of atomizers. Each atomizer includes an atomizer head and a macro-separator for separating out large droplets of lubricant. A catch basin is disposed below the macro-separator of the atomizer and is in sealed relation to the lubrication reservoir. The catch basin has a check valve in the bottom which is closed during a pulse so that constant pressure is maintained in the spray. Between pulses, the check valve may open to maintain the level of lubricant in the catch basin at the same level as the lubricant in the reservoir.Type: GrantFiled: November 20, 1981Date of Patent: May 15, 1984Assignee: Sulzer Brothers LimitedInventor: Herbert Burgbacher
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Patent number: 4445592Abstract: A lubrication system for a thrust and/or journal bearing for a shaft. The system comprises a viscosity pump mounted on the shaft within the thrust bearing housing, a main lubricant reservoir and a closed auxiliary reservoir. The pump inlet is connected to the auxiliary reservoir below the level at which the main reservoir is in communication with the auxiliary reservoir, the latter level being the desired level of lubricant in the housing. The pump outlet is arranged to supply lubricant to the bearings.Type: GrantFiled: July 2, 1981Date of Patent: May 1, 1984Assignee: The Glacier Metal Company, LimitedInventors: Nigel H. New, John B. O'Rourke
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Patent number: RE31798Abstract: The shade assembly for use in a lighting fixture is characterized by a knockdown construction so that it may be easily disassembled for purpose of storage or transport. The shade assembly is in the general form of a regular polyhedron and includes a set of at least three flat trapezoidal windows arranged in a closed figure with their short sides on top and their long sides on the bottom. A base member is centrally disposed in the region above the windows. There are also a set of at least three ribs, each rib extending along the juncture of two of the windows and having its upper end removably secured to the base member. Each window is removably secured to the two adjacent ribs.Type: GrantFiled: August 19, 1982Date of Patent: January 8, 1985Inventors: Franz K. Weber, Martin R. Reed