Patents Represented by Attorney William Anthony Drucker

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  • Austenitic cast iron
    Patent number: 4129309
    Abstract: This invention provides an austenitic cast iron especially suitable for reinforcements in aluminium pistons and containing 2-6% Ni, 1.8 to 4.0% C, 1-3% Si, 6-12% Mn, 5-7% Cu, less than 0.08% Cr, 0.3 to 2% Al and 0.05 to 0.3% Ti.
    Type: Grant
    Filed: June 1, 1977
    Date of Patent: December 12, 1978
    Assignee: Mahle GmbH
    Inventors: Hans J. Kohnert, Herbert Smetan
  • Jet mouth piece
    Patent number: 4129257
    Abstract: A nozzle intended for a jet-pipe working with a pressurized liquid with said nozzle comprising a throttle valve head surrounded by an orifice sleeve and being pendulum-like supported by a longitudinal shaft pointing in counter-current direction, wherein the orifice sleeve constitutes one of two sleeves being rotatably journalled on each other, one of the sleeves having a runner being in mesh with a guide in the other one of the sleeves, the guide having a pitch in order to give the valve head a positively controlled axial movement by rotating the sleeves in between, the shaft is supported by a transverse shaft which extends in the diametrical direction through the inner sleeve, the transverse shaft extends through the wall of the connection sleeve into the guide, the latter being constituted by a slit made in the orifice sleeve .
    Type: Grant
    Filed: December 2, 1976
    Date of Patent: December 12, 1978
    Inventor: Uwe Eggert
  • Pistons and piston rings
    Patent number: 4128250
    Abstract: An annular reinforcement for piston ring grooves, the reinforcement being provided with inclined bores so that when the reinforcement is built into the piston and the bores are filled with material integral with the piston, movement of the reinforcement both in the axial and radial directions is resisted.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: December 5, 1978
    Assignee: Mahle GmbH
    Inventor: Hermann Barth
  • Liquid-cooled cylinder sleeves
    Patent number: 4127058
    Abstract: In a liquid-cooled cylinder sleeve for combustion engines of the reciprocating piston type, the provision of a cylinder wall thickness which increases in a rotationally symmetrical manner along its periphery in the direction of the line of intersection of the piston pivoting plane passing through the longitudinal axis of the cylinder and the wall of the cylinder sleeve.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: November 28, 1978
    Assignee: Mahle GmbH
    Inventor: Manfred Rohrle
  • Pair of rollers for roller-skates
    Patent number: 4123076
    Abstract: A pair of rollers for roller-skates comprising a hollow mandrel equipped with a projection for attachment to a shoe support. Said mandrel is fixed in rotation and has, at each extremity, a ball-bearing carried on a rotary spindle and held axially by resilient washers. The rotary spindle extends, at each end, beyond the extremities of the mandrel and has rollers mounted on it and held axially by washers, ensuring watertightness, and a lateral support ring. The mandrel has a valve halfway between its extremities.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: October 31, 1978
    Inventor: Gianfranco Passoni
  • Permanent magnet magnetic control device having two control air gaps
    Patent number: 4122423
    Abstract: A magnetic control device comprising one pair of permanent magnets cooperating with armatures to form first and second air gaps and, means for inverting the direction of magnetization of one magnet. In a first direction of magnetization, the flux closes through the first air gap, while, in the opposite direction, the flux is at least partially cancelled in the first air gap and passes through the second air gap, which is substantially smaller than the first air gap. Such a device is adapted to actuate a two way valve.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: October 24, 1978
    Assignee: Le Material Magnetique
    Inventor: Michel Cotton DE Bennetot
  • Casting receptacle or ladle for moulded castings or various materials
    Patent number: 4121651
    Abstract: A casting device comprising a receptacle having an exit orifice at its lower end, a tubular stem carrying a valve for sealing the orifice, a rod in the stem and a valve member carried by the rod for opening and closing the bottom end of an annular space formed between the rod and the stem.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: October 24, 1978
    Inventor: Dino Marco Zeppellini
  • Soil treatment
    Patent number: 4120163
    Abstract: A method and apparatus for preparing a stabilized and hardened layer, by which extensive and deep-layered zones of clay, silt, and/or sand (hereinafter referred in as "Weak Soil Layer") in such places as rivers, lakes, marshes, harbors and/or the sea may be easily turned into stabilized foundation ground necessary for civil construction, the surface layer of said weak soil layer being partially or wholly turned into stabilized foundation ground at or to a fixed depth by stabilization treatment of said weak soil layer with a solidifier agent including cement.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: October 17, 1978
    Assignee: Kitagawa Iron Works Co., Ltd.
    Inventor: Hisashi Shiraki
  • Screening apparatus
    Patent number: 4120784
    Abstract: Screening apparatus, particularly vibratory screening apparatus, includes a screening surface formed of one or more plates of flexible non-metallic material having apertures therethrough, with a plurality of attachment bars projecting from the underface of the or each plate at intervals along the length thereof. Each attachment bar extends across the width of the plate, and the plate or plates are supported by a support structure which includes a plurality of spaced support bars provided at intervals along their length corresponding to the intervals of the attachment bars with apertures of a shape to receive the attachment bars of the plate or plates.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: October 17, 1978
    Assignee: N. Greening Limited
    Inventor: Anthony George Hassall
  • Adjustable locking device immobilized by a safety lock
    Patent number: 4118960
    Abstract: The adjustable locking device, particularly suitable for securing a motor-cyclists's helmet to his machine when not in use, comprises a housing having fixed and movable portions to form a clamp between which portions the rim of a helmet may be gripped. A toothed element mounted in the housing serves to locate the movable position and a further toothed element may be brought into engagement with the former by rotation of a key operated lock.
    Type: Grant
    Filed: July 8, 1977
    Date of Patent: October 10, 1978
    Assignee: Neiman S.A.
    Inventor: Paul Lipschutz
  • Single lens reflex camera and exposure measuring mechanism therefor
    Patent number: 4119981
    Abstract: A single-lens reflex camera having an interchangeable objective lens and an exposure measuring circuit is provided with an adjusting device capable of being connected to a coupling element of a diaphragm stop adjuster and movable in opposition to a spring in accordance with diaphragm values to which a diaphragm detent setting device can be adjusted. The adjusting device is movable by its spring between a position corresponding to the initial diaphragm setting to a basic position on removal of the objective lens. Formed on the adjusting device is a lug which actuates a switch in the exposure measuring circuit to open circuit the latter when the adjusting device is in the basic position.
    Type: Grant
    Filed: March 8, 1977
    Date of Patent: October 10, 1978
    Assignee: Veb Pentacon Dresden Kamera-und Kinowerke
    Inventor: Heinz Schulze
  • Segmented band
    Patent number: 4117667
    Abstract: A segmented band with profile segments, in which the profile segments have a U-profile form, the legs of which form side walls having projecting arms which are equipped with hooks on their ends. The wall section between the arms is intended to hold connecting links, each link having a longitudinal groove intended to hold together the side wall sections, lying between the arms of two neighboring U-profile segments. Closure means are provided to engage in the hooks of said arms which serve to prevent the connecting links for slipping out of the U-profile segments.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: October 3, 1978
    Inventor: Willi Tanner
  • Measuring and control system for single lens reflex
    Patent number: 4118718
    Abstract: The exposure measuring system for single-lens reflex cameras, in which system the light passing through the objective lens is conveyed to the view finder eyepiece via a view finder reflex mirror, is provided with an additional mirror in the optical path of the camera, which additional mirror is partly translucent. A photo electric cell is pivotally mounted in order to be movable by linkage coupled with the reflex-mirror so that in one position during image viewing the cell receives light from the reflex mirror for light measurement and in another position during film exposure the cell receives light from the additional mirror for controlling exposure time.
    Type: Grant
    Filed: June 21, 1977
    Date of Patent: October 3, 1978
    Assignee: VEB Pentacon Dresden Kamera-und Kinowerke
    Inventors: Werner Hahn, Heinz Schulze
  • Anti-theft device for machines equipped with a diesel or like engine
    Patent number: 4116024
    Abstract: An anti-theft device having a pivoted lever, a cable connected to one end of the lever and controlling a fuel injection pump, the other end of the lever engaging a cam integral with the cylinder of a lock so that when the cylinder is turned by a key in the lock the cable controls the opening and closing of the fuel injection pump.
    Type: Grant
    Filed: May 3, 1977
    Date of Patent: September 26, 1978
    Assignee: Neiman S.A.
    Inventor: Paul Lipschutz
  • Liquid helium-cooled bolometer wherein the sensitive element and the elements linking the latter to the electrical connections are obtained from the same semiconductor body
    Patent number: 4116063
    Abstract: Bolometer cooled to a very low temperature, wherein the sensitive element has a very low thermal capacity and, for this purpose, a semiconductor crystal extended on two faces by beams made of the same material, but of smaller section, which have been metallized. These metallized beams, wherein the volume of crystal has been reduced to a minimum by their very small section, directly or indirectly provide the thermal link with the cryostat and the electrical link with the measuring circuit making it possible to eliminate all welds using bonding metal on the side of the crystal which forms part of the sensitive element. In a preferred mode of embodiment, the thermal substrate thermally linked to the crystal is a piece of monocrystalline diamond.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: September 26, 1978
    Assignee: Agence Nationale de Valorisation de la Recherche
    Inventors: Jacques Leblanc, Gerard Dambier, Noel Coron, Jean-Pierre Moalic
  • Cartridge type magnetic tape recorders
    Patent number: 4115826
    Abstract: In a cartridge type magnetic type recorder of the type wherein an operating frame and a cartridge receiving frame are pivotally interconnected, the receiving frame is moved to the reproducing position in a direction perpendicular to the direction of loading of the cartridge so as to couple the cartridge with a driving motor and reproducing or recording head, there are provided a pin for one side of the operating frame, a cartridge ejecting lever having a cam, and a sliding frame having a cam slot. The pin cooperates with the cam and cam slot for ejecting the cartridge.
    Type: Grant
    Filed: February 10, 1977
    Date of Patent: September 19, 1978
    Assignee: Clarion Company Limited
    Inventors: Satoshi Takagi, Wataru Watanabe, Tadashi Yokota
  • Bathroom cabinet
    Patent number: 4114966
    Abstract: Container for use as a cabinet, in particular as a bathroom cabinet, shelf and similar, with a back wall and side walls having U-section covering panels, in which the back wall of the container is formed by a framework of U-section bars provided with at least one back wall panel, the sides of these bars protruding at right angles from the back wall, with the profiled frame bars being held together by fixed corner angle pieces slipped in between the sides mentioned and positively connected with these, these corner angle pieces projecting -- in the wall planes, beyond the profiled frame bars, with U-section wall covering panels being positively attached onto the sides of these corner angle pieces.
    Type: Grant
    Filed: January 24, 1977
    Date of Patent: September 19, 1978
    Inventor: Walter Schneider
  • Automatic screwdriver
    Patent number: 4114663
    Abstract: An automatic screwdriving and feeding apparatus has a screwdriver body with a tubular housing axially moveable thereon. Screw holding elements are mounted in the tubular housing and are resiliently biased inwardly, or are resiliently deformable, so as to hold a screw for driving. Drive means in the body can move axially relatively to engage the screw and apply rotary drive. Feed means supply screws one at a time to the screw holding elements.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: September 19, 1978
    Inventor: Brynley Emberley Viner
  • Tube plug
    Patent number: 4114654
    Abstract: A bore plug comprises a deformable sleeve to fit inside a bore to be plugged, two tapered members interfitting with the sleeve to engage opposite ends thereof, and an intercoupling of the tapered members actuatable to draw the latter together and deform the sleeve into circumferential engagement with the interior of the bore at or near each end of the sleeve. Provision of bored channels in one of the tapered members and the sleeve allows introduction of flowable sealing material after deformation of the sleeve.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: September 19, 1978
    Assignee: Furmanite International Limited
    Inventor: Arthur William Richardson
  • Epilation apparatus
    Patent number: D249810
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: October 3, 1978
    Assignee: Slimmaster Beauty Equipment (Sales) Limited
    Inventor: George Holleley