Patents Examined by Jeffrey J. Hohenshell
  • Patent number: 4973068
    Abstract: This invention relates to a dynamic seal or bearing interface having areas with different roughnesses. The different surface areas both provide asperity tip load support for the opposing interface.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: November 27, 1990
    Assignee: University of New Mexico
    Inventor: Alan O. Lebeck
  • Patent number: 4941424
    Abstract: A sonic alarm device is provided for signalling the opening of a door which is hingedly mounted adjacent the edge on a door frame for swinging movement about an upright hinge axis into and out of a closed position. The door alarm is mounted in the interior of the door. The door alarm comprises a housing for the alarm, an isolator inside of the housing, wherein the isolator supports a sonically activated device. A spring holder is mounted within the isolator, and spring is mounted on the spring holder in a position horizontal to the door. When the door is in a closed position, the spring is pushed back into the interior of the housing; the spring is designed to be released when the door is opened. A hammer actuator is contacted by the spring when the door is opened, and a hammer is struck by the hammer actuator when the door is opened. The hammer then contacts a sonically actuated device to cause the device to produce an audible sound.
    Type: Grant
    Filed: October 17, 1988
    Date of Patent: July 17, 1990
    Inventor: Herbert Hanft
  • Patent number: 4940248
    Abstract: A seal for a magnetizable shaft includes a sealing lip of polymeric material and a preliminary seal on the side facing away from the sealed space. The preliminary seal consists of a ring magnet which surrounds the shaft leaving a gap. A ferrofluid is disposed in this gap.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: July 10, 1990
    Assignee: Firma Carl Freudenberg
    Inventors: Gerhard Kilthau, Karl H. Spies, Rolf Vogt, Peter Freilaender, Toni Seethaler
  • Patent number: 4938488
    Abstract: A steel laminate gasket of the invention is installed in an internal combustion engine having at least one hole therein. The gasket comprises a first plate having at least one first hole therein corresponding to the hole of the engine, and a second plate having at least one second hole. The first plate is provided with a base portion, at least one curved portion adjacent the first hole, and at least one flange situated parallel to the base portion. The base portion, curved portion and flange are integrally formed together. At least one side wall is formed on one of the base portion and the flange adjacent the curved portion to surround the first hole. The thickness between the flange and base portion inside the side wall is greater than the thickness between the flange and base portion outside the side wall so that an embossed portion is formed around the first hole. The second plate is situated adjacent the first plate so that the second plate does not pile the flange of the first plate.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: July 3, 1990
    Assignee: Ishikawa Gasket Co., Ltd.
    Inventors: Tsunekazu Udagawa, Susumu Inamura
  • Patent number: 4936593
    Abstract: A seal assembly for providing a seal between the hull of a powered water craft and a drive shaft which passes through the hull includes a flexible tubular boot which is attached to a through-hull fitting which is affixed to the hull and is attached at its other end via a leak-proof seal to the shaft at a location within the hull. The shaft seal assembly includes a pair of mutually engaging annular face seal members with one of the seal members being affixed to the fitting and the other being affixed to a sealing collar which is adjustably positioned along the shaft.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: June 26, 1990
    Inventor: Philip F. Finney
  • Patent number: 4930792
    Abstract: The invention relates to an arrangement for sealing a stationary timing housing cover at the end face of an internal-combustion engine housing comprising cylinder head and crankcase. The timing housing cover is composed of a cylinder head side and a crankcase side cover part, between which an elastomer profile seal element is retained under compressive stress. The seal element exhibits a sealing lug oriented at right angles to the separating line to seal the end face contact surface of the internal-combustion engine housing in the plane of the separating line running between cylinder head and crankcase in the region of the adjacent edges of cylinder head, crankcase, cylinder head gasket located between the two latter, and the cover parts. The cylinder head gasket is provided with a flowable sealing medium applied bead-fashion on its end edge which faces the timing housing cover.
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: June 5, 1990
    Assignee: Daimler-Benz AG
    Inventors: Roland Gluck, Otto Heilemann, Rolf Klingmann
  • Patent number: 4929092
    Abstract: A resistance temperature detector measures the temperature of fluid flowing through a pipe at a given point in the pipe. In the temperature detector, normal and backup temperature sensing resistance elements are secured with inorganic adhesive onto an inner wall surface of a thin-walled tubular sheath having its tip end closed. These temperature sensing resistance elements are disposed in spaced parallel relationship and are respectively connected to insulated lead wires separately disposed within the resistance temperature detector. The resistance temperature detector also includes a sheath cable assembly having sheathed cables, each of which is electrically connected to a respective one of the insulated lead wires and secured to the other end of the tubular sheath. Thereby a sealed vacant space is defined within the temperature sensing assembly.
    Type: Grant
    Filed: May 25, 1988
    Date of Patent: May 29, 1990
    Assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Kabushiki Kaisha Okazaki Seisakusho
    Inventors: Seizo Taguchi, Toshiharu Oketani, Michihiro Ohashi, Hideaki Tanaka, Hiroshi Terao
  • Patent number: 4926785
    Abstract: A marker for golf courses and similar locations including an in-ground receptacle, a surface plate mounted on and in surrounding relationship with the top of the receptacle at ground level, and a tubular "stake" which fits into the receptacle. The plate and receptacle form a swivel bearing to permit the surface plate to lie flush with non-level ground while retaining the vertical orientation of the stake and receptacle. The plate is crowned to shed balls.
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: May 22, 1990
    Assignee: Lockwood Manufacturing Co.
    Inventor: Frederick W. Lamson
  • Patent number: 4927164
    Abstract: In a ferrofluid seal which comprises a magnet and at least one pole piece, the pole piece is fabricated from a ferromagnetic material which directly bonds to the magnet face. Since the pole piece material directly bonds to the magnet, no additional adhesive is necessary. Thus, the conventional steps of applying an adhesive and mounting pole pieces on the magnet are eliminated. In addition, voids and bubbles in the adhesive are eliminated, thus, enhancing seal integrity.In one embodiment, the ferromagnetic material is a ferromagnetic epoxy compound comprising a mixture of conventional epoxy materials plus a fine powder of ferromagnetic material such as iron, cobalt, nickel or various metal alloys.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: May 22, 1990
    Assignee: Ferrofluidics Corporation
    Inventors: Kuldip Raj, Joseph Moses, Ronald Moskowitz, Frank Bloom
  • Patent number: 4922850
    Abstract: A golf glove having a golf stroke counter mounted on the back thereof which includes a cursor, which is either a straight member or a dial which is retained within layers of material on the back of a golf glove and which can be moved to positions designating the specific number of strokes taken and which is frictionally engaged in such positions.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: May 8, 1990
    Inventor: Michael J. Conley
  • Patent number: 4917391
    Abstract: An improved sealing ring assembly in which a three-piece ring seal is provided with a residue deposit groove void to accumulate contaminants to minimize clogging between ring members. Mounted on a piston in a pneumatic valve assembly which is actuated by pressure routing effected by selective solenoid energization, the sealing ring assembly improves the reliability of piston actuation in high temperature, high contaminant service.
    Type: Grant
    Filed: July 12, 1988
    Date of Patent: April 17, 1990
    Assignee: Aerospace Systems and Components, Inc.
    Inventors: Roy E. Shelinbarger, Jr., John T. Cherryholmes
  • Patent number: 4913046
    Abstract: The invention proposes a temperature measuring device for a bread toaster, with a sensing element (1) which is in communication with the toasting chamber (25) through a radiation guide channel (A, B, C, D). The radiation guide channel (A, B, C, D) is formed of several passageways (11, 12, 13) arranged in spaced apart serially disposed partition walls (4, 6, 8).
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: April 3, 1990
    Assignee: Braun Aktiengesellschaft
    Inventors: Georg Mothrath, Stefan Schamberg
  • Patent number: 4913450
    Abstract: The invention refers to a seal for bearing spaces, wall channels for shafts and the like, where the seal is fitted to the shaft. The seal is characterized in that it incorporates a sheet metal strutting projecting radially outwards, and on the side facing away from the space intended to be sealed off being equipped with mainly radially extending vanes, the radial extension of which mainly coincide with the radial extension of the sheet metal strutting.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: April 3, 1990
    Assignee: SKF Nova AB
    Inventor: Sture Asberg
  • Patent number: 4909519
    Abstract: A pressure resistant system for joining concrete pipes in an end to end relationship is disclosed. The first pipe terminates in a bell end and the second pipe terminates in a spigot end with the spigot end surrounded by a seal member and the inner surface of the bell also surrounded by a seal member. Each seal member has internal ribs which extend into and are embedded in the concrete pipe. The spigot end sealing ring includes an internal flap extending substantially perpendicular thereto across an internal offset face of the spigot and a lip extending across a portion of the end face. A rib of reduced length is disposed adjacent the lip and midway between the lip and the flap. In one embodiment the spigot and sealing ring defines a concave groove for receiving an O-ring seal, and in another embodiment the concave groove is replaced by an integral convex seal portion.
    Type: Grant
    Filed: May 20, 1988
    Date of Patent: March 20, 1990
    Assignee: Anderson Seal Company
    Inventor: Kenneth W. Anderson
  • Patent number: 4905624
    Abstract: An indicator attached to a golf flagstick to inform golfers as to the depth of the pin on the putting green. The indicator is a one-piece molded part and includes a hinge and a latch to allow the indicator to be quickly shifted by golf course personnel.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: March 6, 1990
    Inventor: Fred H. Krolzick
  • Patent number: 4906009
    Abstract: A sealing apparatus has a main body which is mounted on a housing and is provided with a sealing lip, and a rotary body mounted on a rotary shaft of a member with which the apparatus is combined. The rotary body extends in the radial direction of the rotary shaft and has one side surface which is in sliding contact with the sealing lip. The apparatus also has at least one projection member provided on that side surface of the rotary body on the radially outer side thereof.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: March 6, 1990
    Assignee: NOK Corporation
    Inventor: Takayuki Saitoh
  • Patent number: 4903630
    Abstract: An ultrasonic whistle apparatus for mounting on a vehicle to warn animals of the approach of the vehicle is disclosed, comprising (a) a funnel to direct air into the apparatus and having an air path therein, (b) an ultrasonic whistle mounted in the air path in the funnel and adapted to be actuated by air passing therethrough, (c) a base for mounting the apparatus to a vehicle, and (d) an adjustment mechanism connecting the funnel to the base including a ball and socket joint for adjusting the direction in which the funnel is oriented, the funnel adjustable in more than one plane of adjustment.
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: February 27, 1990
    Assignee: Game Tracker
    Inventor: Leonard Rezmer
  • Patent number: 4902023
    Abstract: A resilient, non-porous gasket for a substantially rectangular vacuum chamber includes an outer lip for positioning and holding the gasket on the support frame of the vacuum chamber. An improvement for enabling the gasket to creep during said gasket deformation and for enhancing the sealing of the sealing edge of an object being processed against a sealing surface of the gasket in the presence of curvature of the sealing edge wherein the corners of the outer lip of the gasket are removed.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: February 20, 1990
    Assignee: Thomson Consumer Electronics
    Inventors: Stephen T. Opresko, Walter E. Root
  • Patent number: 4901664
    Abstract: A survival kit apparatus is set forth wherein the same provides for a container formed with a pivotally mounted lid securable about a forward face of the container. The kit includes a selectively illuminated compass formed within the lid and a secondary storage container formed through the lid containing food rations and cutlery therein. The interior of the container includes a spool of flexible tether line formed with axially extending axles from the spool. A valved pressurized helium container has secured thereto an inflatable signal balloon and a flashlight removably positioned within a padded tubular support holder removably secured within the container along a forwardmost wall thereof.
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: February 20, 1990
    Inventor: Sylva Labrecque
  • Patent number: 4900040
    Abstract: A sealing device for sealing a side of a slideable door. The sealing device includes a seal member, a striker plate attached to the sealing member, an outer wall, and a plurality of links in the form of resilient ribs positioned between the seal member and the outer wall. The resilient ribs force the seal member downwardly and laterally against the side of the door when the door engages the striker plate. A web may be attached to the resilient ribs, the seal member and the outer wall. The web prevents the passage of air between the ribs, and retracts the seal member from the door when the door ceases to exert a force against the striker plate.
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: February 13, 1990
    Inventor: Richard E. Miller