Patents Represented by Law Firm Rogers, Eilers & Howell
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Patent number: 4443510Abstract: A multilayer reflective tape for use on roadways to provide temporary marking and demarcation of traffic lanes is disclosed. The tape has a thin malleable strip of aluminum, the top of which is coated with a high visibility paint in which reflective glass beads are embedded. Bonded to the bottom of the aluminum strip is a nylon felt scrim, the bottom of which is provided with a pressure-sensitive adhesive.Type: GrantFiled: September 23, 1982Date of Patent: April 17, 1984Assignee: Lukens General Industries, Inc.Inventor: Charles W. Watt
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Patent number: 4440986Abstract: A microprocessor controller has a central processor, including a microprocessor, to centrally control a PBX and also provide general processor capability to a plurality of data terminals. Any typical centrally controlled PBX design which processes and switches telephone calls between a plurality of trunk ports and a plurality of line ports, as is known in the art, may be connected to applicant's controller with the program control for same loaded into a dedicated PBX memory of the microprocessor controller. A supervisory program controls the microprocessor's processing time by dividing it into slices which are allocated to the various data ports and the PBX portion, with provision for interrupting and aborting time slots not calling for processor time to ensure efficient and reliable operation of the PBX. Each of up to six data ports is allocated a partition of memory and access to other partitions is denied to preserve the integrity and confidentiality of data and programs stored by each data port.Type: GrantFiled: October 27, 1980Date of Patent: April 3, 1984Assignee: Walter L. DouglasInventor: John T. Thorson
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Patent number: 4439643Abstract: A system of mounting electrical equipment, such as loud speakers, electrical clocks, radios and the like, in an enclosure which has a grill with flanges which telescope with complementary flanges on a mounting plate. The mounting plate may be secured to walls or ceilings by flush mounting or edge mounting brackets and may be secured in either a horizontal or vertical position. If an edge mounting bracket is used, the mounting plate is a plural center ring which receives telescoping cover plates from both sides to form a clamshell enclosure. Where flush mounting is used, such as on walls or ceilings, a single telescoping ring is used, which is mounted in the wall or ceiling, and the grill work and the complementary telescoping ring is attached thereto.Type: GrantFiled: April 2, 1979Date of Patent: March 27, 1984Inventor: Rene Schweizer
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Patent number: 4437647Abstract: A quick connect-disconnect coupling for fluid lines has a tubular socket as the female member thereof, has a sleeve which encircles and is movable relative to that socket, has a tubular plug as the male member thereof, and has interacting surfaces on that socket and sleeve which readily permit that sleeve to move successively from a plug-unlocking position through a plug-locking position to a fluid-on position. Those interacting surfaces automatically prevent accidental movement of that sleeve back from either that plug-locking position or that fluid-on position to that plug-unlocking position.Type: GrantFiled: June 7, 1982Date of Patent: March 20, 1984Assignee: Foster Manufacturing CompanyInventor: Lee H. Cruse
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Patent number: 4434936Abstract: An irrigation system, such as of the self-propelled type with a series of self-propelled support towers for supporting and moving an irrigation conduit over a field to be irrigated, the conduit comprised of a series of conduit sections supported by the towers. The system is for use on sloping or uneven terrain causing tension or compression loads in the system, and includes a control for sensing such a load and for controlling the movement of selective support towers to relieve the load. Included is a coupling for joining adjacent conduit sections which senses the relative displacement of said sections caused by said load. Also included is a steerable support tower which is steered in response to the coupler sensing said displacement to relieve said load.Type: GrantFiled: September 22, 1981Date of Patent: March 6, 1984Assignee: Valmont Industries, Inc.Inventors: John A. Chapman, Owen W. Sherwin
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Patent number: 4428320Abstract: An inexpensive reflective paving marker, which may be used to delineate traffic lanes in construction zones, and is especially useful at night and during wet conditions, has a light weight molded plastic support structure and a reflective element composed of a thin strip of reflective polycarbonate tape. The tape is placed on a surface that is inclined to reflect incident light, such as the light from automobile headlights. The surface on which the reflective tape is mounted has a slight recess to protect the tape from the abrasive effects of traffic, such as automobile tires, to retain the reflective properties of the structure. The support structure has recesses in the bottom which provide additional grip in an adhesive, such as an epoxy or a butyl sheet, which secures the structure in place. Nails or other fasteners may also be used to secure the marker; the support structure has preformed guide holes for fasteners.Type: GrantFiled: June 8, 1981Date of Patent: January 31, 1984Assignee: Lukens General Industries, Inc.Inventors: David W. Oplt, Fred G. Peil
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Patent number: 4426815Abstract: In a mortarless interlocking concrete block system, general purpose intersection blocks have parallel grooves formed on their bottom surfaces; but each has mating ridges on the upper surface of its inner end only. The top surface of its corner end portion is flat, to permit an overlying course to fit thereon either at right angles or in linear alignment. The corner end portion has, in each of its two opposite side faces and in its outer end face, parallel vertical grooves matable with tongues on the system's stretcher blocks, to provide interengagement at both left and right corners and T-shaped and crossing-wall intersections. For bond beam courses, a bond beam intersection block with similarly groove corner end faces, has at its inner end portion a closed-bottom channel with saddle-like webs extending between the channel sides, to open through to its corner core and support horizontal reinforcing rods.Type: GrantFiled: November 10, 1980Date of Patent: January 24, 1984Inventor: Sam Brown
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Patent number: 4427213Abstract: A vehicle suspension of a type generally disclosed in U.S. Pat. No. 3,801,086, especially adapted to drop-frame vehicles, wherein a torque beam is formed to straddle the frame of the vehicle and be attached through a resilient bushing to the web of the frame, all of which gives a controlled spring to the vehicle as well as an accommodation for the tilting of the axle about a longitudinal axis of the vehicle.Type: GrantFiled: January 21, 1982Date of Patent: January 24, 1984Inventor: John E. Raidel, Jr.
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Patent number: 4425486Abstract: An electrical receptacle has a stationary terminal bracket at each blade opening and a spring loaded center contact pressure element which deflects as the blades of a plug are inserted. A push button snap switch is mounted to the back of the receptacle and is operated by the contact pressure element as a plug is inserted or removed from the receptacle. The spring loaded biasing of the center cntact pressure element is non-conductive and isolated from the electrical circuit of the receptacle.Type: GrantFiled: June 25, 1982Date of Patent: January 10, 1984Inventor: Gray C. Ballman
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Patent number: 4422483Abstract: A garment for use in "clean rooms" is made from a tightly-woven, readily-cleanable, non-linting fabric with conductive filaments that provide anti-static properties. The conductive filaments are incorporated into the woven fabric of the garment so portions thereof constitute parts of the exterior of that garment to enable those conductive filaments to rapidly dissipate any charge of static electricity which may tend to develop on the surface of that garment. Those conductive filaments retain their ability to rapidly dissipate charges of static electricity despite repeated launderings of the garment in which they are incorporated.Type: GrantFiled: June 3, 1981Date of Patent: December 27, 1983Assignee: Angelica CorporationInventor: Howard M. Zins
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Patent number: 4420171Abstract: A first embodiment of a leaf spring suspension assembly for a tractor trailer or the like having single or multiple axles includes a first and second hanger with a camelback spring slidingly secured to an axle bracket assembly with a single torque rod extending between the forward hanger and the axle bracket assembly to stabilize same and prevent axle wind up or wheel hopping. In a multiple axle vehicle, a pivoting type equalizer is mounted between leaf springs and provides the bearing support for an end of each spring. In a second embodiment, an equalizer is supported from the chassis member by an elastomeric spring member with a shock absorber dampening the oscillation thereof. The equalizer is stabilized in the fore and aft direction by a mounting bracket and web assembly within which the mounting bracket extends, and a telescoping tube assembly vertically aligned and surrounding the shock absorber to permit vertical movement but restrict fore and aft movement of same.Type: GrantFiled: August 6, 1982Date of Patent: December 13, 1983Inventor: John E. Raidel
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Patent number: 4417940Abstract: A supplemental roll of label-bearing strip and a splicer for that strip are provided for a label feeder of the type which peels labels from a backing strip. A primary label-bearing backing strip is intermittently fed to a peeling edge, the label-free backing strip is pulled back to a feed roll and a rewind roll to form a narrow V space, and the splicer is located within that V space. The leading end of the supplemental roll is spliced to the tail end of the primary roll without delaying the labelling line to which the labels are supplied. An adhesive piece on the leading end of the supplemental roll normally is held within the V space in register with, but out of engagement with, the strip from the primary roll; and it is adhered to the tail end of the primary strip by a pressure device which is controlled by a photoelectric means that is located upstream of the pressure device and that responds to the passage of the tail end of that primary strip.Type: GrantFiled: January 29, 1981Date of Patent: November 29, 1983Assignee: Chemical Dynamics, Inc.Inventor: Harry D. Koster
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Patent number: 4414899Abstract: An ink roller assembly for attachment to a tape printer or the like includes a pre-inked roller rotatably mounted between a pair of hanger brackets of substantially greater diameter and capacity than the standard pre-inked roller included with the machine. The hanger brackets are adapted to mount to an eccentric shaft which can be rotated to finely adjust the pressure of the ink roller against the print wheel. Several cross shafts extend between the hanger brackets to provide support with one of the cross shafts having a threaded hole therein for insertion of a threaded screw against the frame of the machine to adjust the pressure of the over-sized ink roller against the print wheel.Type: GrantFiled: March 29, 1982Date of Patent: November 15, 1983Assignee: Marsh Stencil Machine CompanyInventor: Forrest G. Hill
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Patent number: 4415375Abstract: Transient titanium alloys having the composition A-XH, where A is titanium or a titanium alloy, such as, Ti-8Al-1Mo-1V, Ti-5Al-2.5Sn, Ti-6Al-4V, or Ti-6Al-2Sn-4Zr-2Mo; where H represents hydrogen and where X is a weight percent value between about 0.01 and 0.5%. The alloys may be produced by heating the base titanium or titanium alloy under pressure in a non-flammable atmosphere containing hydrogen. The alloys containing hydrogen may be formed by superplastic forming techniques. After forming, the original titanium or titanium alloy can be restored by heating the formed part or structure, under vacuum, driving out the hydrogen from the alloy. Parts and structures formed from the transient alloy, and restored, retain the strength and structural integrity of the base alloy.Type: GrantFiled: June 10, 1982Date of Patent: November 15, 1983Assignee: McDonnell Douglas CorporationInventors: Richard J. Lederich, Shankar M. Sastry
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Patent number: 4413367Abstract: Portions of the confining frame of a water bed are made so they can be tilted away from the water-filled mattress of that water bed to facilitate the positioning, and the smoothing, of a cover for that water-filled mattress adjacent the sides and end of that water-filled mattress.Type: GrantFiled: June 16, 1982Date of Patent: November 8, 1983Assignee: Michael J. RossiInventors: Paul S. Miller, Michael J. Rossi
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Patent number: 4413541Abstract: A compound printer having print stations, die cutting stations and other operations, such as perforating and punching, has structure for rapid changeover of the individual stations. Movable carriages on carriage bars and indexing mounts allow rapid removal and installation of the elements, such as the print station or the die. Changeover time is substantially reduced. Removed components may be stored on the carriages.Type: GrantFiled: May 18, 1982Date of Patent: November 8, 1983Assignee: Elizabeth Short BiggarInventor: Frank M. Biggar, III
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Patent number: 4413783Abstract: A coupler for an irrigation system for delivering liquid to the irrigation system from a pressurized pipe line extending along the field to be irrigated. The coupler connects and disconnects to risers or connectors spaced along the pipe line for operating valves associated with the risers for delivering liquid from first one riser and then another for irrigating the field.Type: GrantFiled: July 2, 1981Date of Patent: November 8, 1983Assignee: Valmont Industries, Inc.Inventors: Carl R. Ostrom, Dennis R. Theilen
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Patent number: 4412678Abstract: A saddle for the bar of a bar-type weight has a bar-receiving portion, arms that incline upwardly and away from that portion, and a socket-forming portion which defines a socket that extends downwardly relative to those arms to telescope downwardly over the upper end of a rod-like support; and that saddle is unitary in nature and is wholly devoid of joints between any of the bar-receiving portion, the arms and the socket-forming portion. The bar-receiving portion has a part thereof which is located above the level of one edge thereof so a gap will always exist between that edge and the bar of the bar-type weight. The upper ends of the arms have horizontally-directed outwardly-extending lips that increase the effective area of the saddle which can be engaged by the bar of a bar-type weight without directing that bar away from that saddle.Type: GrantFiled: January 22, 1982Date of Patent: November 1, 1983Assignee: Turco Manufacturing Co.Inventor: William R. Baynes
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Patent number: 4412369Abstract: A hook-like end for a drawstring is formed by folding one end of the drawstring back on itself and then stitching that folded end so a hook-like portion of appreciable length is formed. If, through inadvertence or through deliberate intent, a force were to be applied to that drawstring which would tend to pull that end of that drawstring through a tubular passage on a garment, the hook-like portion would engage an outer surface of the tubular passage and halt movement of that drawstring inwardly relative to that passage.Type: GrantFiled: June 11, 1982Date of Patent: November 1, 1983Assignee: Angelica CorporationInventor: Arturo A. Carnaghi
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Patent number: D273124Type: GrantFiled: February 16, 1982Date of Patent: March 20, 1984Inventor: John S. Craft