Patents Represented by Law Firm Shefte, Pinckney & Sawyer
  • Patent number: 5667699
    Abstract: A method and device for removing waste oil from a cartridge-type oil filter with the filter including a plurality of openings formed therein in a predetermined pattern and an oil retention gasket disposed within the filter. The device includes an elongate body portion formed of resilient, bendable material defining a longitudinally extending central body formed with a predetermined lengthwise dimension sufficient to span a distance between two of the openings and two end portions formed integrally with the central body and projecting oppositely outwardly therefrom with the end portions being sized to fit within the openings and being of a sufficient lengthwise dimension to engage and displace at least a portion of the gasket to allow waste oil to be poured or otherwise drained from the filter cartridge.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: September 16, 1997
    Inventor: Larry Schlise
  • Patent number: 5664395
    Abstract: A thermally insulating glass panel comprising two spaced-apart sheets of glass enclosing a low pressure space, and interconnected by a peripheral joint of fused solder glass and an array of pillars transversely between the glass sheets. The pillars may be made entirely of metal. Alternatively, the array may be made of a combination of solder glass-containing pillars and non-solder glass-containing pillars. Additional support pieces may be arranged between the glass sheets before the peripheral joint of solder glass is fused.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: September 9, 1997
    Assignee: The University of Sydney
    Inventors: Richard Edward Collins, Jian Zheng Tang
  • Patent number: 5662431
    Abstract: The present invention provides a novel arrangement for selective mounting and demounting of a mold to a self-propelled slip-form paving machine. The paving machine basically comprises a frame, a drive engine, a hopper for concrete or another suitably flowable paving material and the aforementioned mold in the desired configuration of the pavement (curb, gutter, etc.) to be formed. The mounting and demounting arrangement comprises a set of hydraulically pivotable latching levers which engage with latching bars on the mold for quickly coupling of the mold to and from the machine frame without the necessity of manual manipulation of mounting bolts.
    Type: Grant
    Filed: October 27, 1995
    Date of Patent: September 2, 1997
    Assignee: Power Curbers, Inc.
    Inventor: John C. Colvard
  • Patent number: 5657607
    Abstract: A thermally insulating glass panel comprises two spaced apart sheets of glass enclosing a low pressure space and interconnected by a peripheral joint of fused solder glass and an array of support pillars, and a pump-out tube used to provide communication between the low pressure space and the exterior of the panel during the creation of the low pressure space. The support pillars each comprise a preformed core of a selected geometry and a selected material and a coating of solder glass at least in the areas between the preformed core and the sheet glass. Preferably the preformed core is spherically shaped and completely coated by solder glass. The preformed core serves to separate the glass sheets during the heating process of the panel's fabrication when the solder glass is in its molten state, and the solder glass serves as a mechanical joint to support the glass sheets after solidification.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: August 19, 1997
    Assignee: University of Sydney
    Inventors: Richard Edward Collins, Stephen James Robinson
  • Patent number: 5653326
    Abstract: A conveyor system for transferring yarn packages or other yarn packages from one conveyor belt to another downstream located conveyor belt traveling in the same conveying direction and at the same speed. The conveyor belts are guided on support structures which are embodied as lateral guide elements which are height-adjustable in a selected area. The lateral guide elements are connected by a linkage such that, when the inward guide elements are lowered, the outward guide elements are simultaneously raised, thereby to cause yarn packages to gravitationally roll from the first belt to the other belt.
    Type: Grant
    Filed: November 21, 1995
    Date of Patent: August 5, 1997
    Assignee: W. Schlafhorst AG & Co.
    Inventor: Hans-Peter Liedgens
  • Patent number: 5651507
    Abstract: A yarn splicing device for textile winding machines comprises a splicer mechanism for pneumatically joining yarn ends, upper and lower clamping and cutting devices, and suction-actuated yarn placement devices for placing the yarn ends to be spliced. According to the invention, one yarn placement device is a gripper tube normally parked in a zero position upstream of the yarn travel. The gripper tube has a spring-biased, pivotable gripping flap and a yarn placement hook for simultaneously placing both the lower yarn and the upper yarn to be spliced. For that purpose, one of the gripper tube and gripper tube flap carries the yarn placement hook forwardly for manipulating the upper yarn and a yarn guide disposed between the yarn placement hook and the pivot axis of the flap for placing the lower yarn.
    Type: Grant
    Filed: June 29, 1995
    Date of Patent: July 29, 1997
    Assignee: W. Schlafhorst AG & Co.
    Inventors: Herbert Ruskens, Leo Tholen, Siegfried Schatton, Ulrich Wirtz, Gregor Ruth, Joachim Stiller
  • Patent number: 5652509
    Abstract: A device for determining the velocity of a longitudinally traveling textile material, especially a yarn, using the closed-loop correlation of a transit time correlator in such a way that its reliability is improved. At least one sensor g.sub.1 consists of two signal receivers disposed one behind the other in the running direction of the yarn, having a sensor output characteristic curve with the intersection of the abscissa in the effective sensor center axis, and wherein the output characteristic curve shows a point-symmetrical behavior at least in the vicinity of the intersection with the abscissa. A second sensor g.sub.2 has a steady state output characteristic curve in the area of its effective sensor center axis. The control loop circuit of the transit time correlator is designed such that the undifferentiated cross-correlation function is used as the controller input signal for determining and readjusting the adjustment point for the model delay time .tau..
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: July 29, 1997
    Assignee: W. Schlafhorst AG & Co.
    Inventor: Manfred Weis
  • Patent number: 5647196
    Abstract: A pneumatic debris aspirating device adapted to be retrofitted on open-end spinning frames originally designed for a mechanical debris disposal installation utilizes an asymmetrical debris pickup funnel which can be connected via a connector conduit to a source of suction which is part of the spinning mill. The debris aspirating device is embodied and disposed such that opening of a cover to each rotor spinning unit is not hampered.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: July 15, 1997
    Assignee: W. Schlafhorst AG & Co.
    Inventor: Heinz-Georg Wassenhoven
  • Patent number: 5644825
    Abstract: A method and apparatus for stabilizing and increasing the yield of natural rubber yarn includes stretching the yarn three times while allowing the yarn to relax intermediate and following the stretching steps. The method is accomplished using a plurality of nip rolls wherein a second roll is caused to travel faster than a first roll or the second roll is larger than the first roll, or both, to achieve the stretch while the yarn is relaxed intermediate three such stretching assemblies.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: July 8, 1997
    Inventors: James O. Threlkeld, Thor Robert Thisse
  • Patent number: 5646465
    Abstract: In a shaftless spinning rotor assembly wherein the spinning rotor is the rotor of an axial field motor, an improved transfer of power and improved running properties are attained by forming the stator windings in channels which extend substantially radially in the stator core and are enclosed over at least a portion of their length by magnetically conducting material. As compared with known gap windings, the windings can be placed in multiple layers while at the same time avoiding marked graduations in permeance and in the specific current density so that eddy currents in the rotor can in turn be reduced and rotor heating remains within reasonable limits. The stator is preferably formed of multiple component parts which allows optimized selections of materials.
    Type: Grant
    Filed: March 21, 1995
    Date of Patent: July 8, 1997
    Assignee: SKF Textilmaschien-Komponenten GmbH
    Inventor: Anton Paweletz
  • Patent number: 5642548
    Abstract: In a textile wet processing machine and process wherein an indeterminate length of a textile fabric or other material is washed or otherwise subjected to a wet treatment operation by transportation sequentially through a plurality of processing chambers, the yardage distribution of the fabric among the chambers is controlled by sensing the entrance of the leading end of the fabric into each successive chamber, then measuring separately the actual yardage of fabric entering each chamber in sequence, comparing at least periodically the yardage of fabric instantaneously residing within each respective chamber and, in the event an imbalance in fabric distribution is detected, briefly stopping and then restarting lifter reel assemblies and jet nozzle assemblies by which the fabric is transported so as to correct the imbalance in fabric distribution.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: July 1, 1997
    Assignee: Gaston County Dyeing Machine Company
    Inventor: Charles Anthony Osbourn
  • Patent number: 5641281
    Abstract: An improved self-lubricating bearing arrangement for gear pumps utilizes a system of material feed channels and reservoir pockets to divert a portion of the material being pumped from the pressure side of the intermeshing gears to lubricate the gear-supporting shafts within the bearing arrangement. At each gear shaft, a linear material feed channel is formed in the radial face of the bearing between a pressure relief recess and an axial opening supporting the shaft and a parabolic reservoir pocket is formed within the bearing opening adjacent the shaft to apply diverted polymer to the shaft. Each material feed channel and reservoir pocket is polished to a mirror finish to minimize any tendency of suspended additives in the polymer from adhering to or collecting within the channels or pockets, thereby to prevent unusual or localized wearing of the gear shafts.
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: June 24, 1997
    Assignee: LCI Corporation
    Inventors: Charles R. Russell, Fernie E. Williams
  • Patent number: 5640938
    Abstract: A rotary internal combustion engine includes a housing having a separate compression chamber and power chamber formed therein with a fuel and air mixture reservoir disposed intermediate the two chambers. A plenum chamber is disposed in the housing intermediate the power chamber and the fuel and air mixture reservoir with a rotating impeller disposed therein forming a magazine which rotates synchronously with the rotors to deliver compressed volumes of fuel and air mixture into the power chamber for enhanced power delivery capabilities.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: June 24, 1997
    Inventor: Franklin D. Craze
  • Patent number: 5641117
    Abstract: A foldable hand-held container includes a generally frusto-conical body formed from a single sheet of foldable material having two opposed inner wall members and two opposed outer wall members each having a plurality of panels defined by a plurality of diverging, equidistant fold lines. The container may be lined with a superabsorbent material to allow the container to be used as a cuspidor. A method for forming such a container is also disclosed.
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: June 24, 1997
    Inventors: James Joseph Barker, Charles A. Walker, III, Denise Walker, Ralph E. Barker, Jr.
  • Patent number: 5640896
    Abstract: A conveyorized charcoal cooking apparatus comprises two sets of horizontally aligned gas-fueled burner assemblies arranged in staggered facing relation to one another, between which a food conveyor travels at a controlled speed, the lower burner assemblies beneath the conveyor having racks on which charcoal briquettes are supported to impart charcoal cooking and flavoring to the food in addition to the cooking energy emitted by the burners. Preferably, the briquettes are of the so-called reusable type having a ceramic binder holding the charcoal material together so as to achieve substantially more extended life of the briquettes in comparison to conventional charcoal.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: June 24, 1997
    Inventor: Robert M. Stuck
  • Patent number: 5642091
    Abstract: A method and apparatus for transmitting data within a textile machine of the type having a central main power supply and many identical work or spinning stations is disclosed with the data being for controlling operational at independently operable work stations, particularly in open-end bobbin winding machines. A separate power supply is included for providing a buffer voltage for use at memories within the individual spinning station central units, with the power supply output being DC voltage at a predetermined level. The DC buffer voltage signal is modulated with the data for transmission to the work station, transmitted to the work station and demodulated thereat for use.
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: June 24, 1997
    Assignee: W. Schlafhorst AG & Co.
    Inventors: Norbert Coenen, Erwin Peters
  • Patent number: 5638859
    Abstract: A drain valve is disclosed which comprises a float chamber for accumulating a fluid. A float is disposed within the float chamber for fluid level determined movement therein. A pivotable arm is operatively connected to the float. Pilot valve means are provided which comprise valve body means and valve shuttle means. The valve body means receive a portion of the pivotable arm and have a valve seat and an inlet in communication with a source of pressure and an outlet. Valve shuttle means are provided for controlling fluid flow from the float chamber in response to the movement of the float and pivotable arm. The valve shuttle means have a closed position wherein the source of pressure maintains the valve shuttle means in sealed relation with the valve seat and an open position wherein the valve shuttle means is not in sealed relation to the valve seat such that that inlet is communication with the outlet.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: June 17, 1997
    Assignee: Flair-Pneumatic Products Corp.
    Inventors: Robert G. Thomson, John E. Thelen
  • Patent number: 5639036
    Abstract: In a textile machine wherein a creel is pivotably supported on a pivot shaft, pivoting movements of the creel and its shaft are controlled via an electrical motor generating torque and a belt transmission unit connecting the motor to the pivot shaft. The belt transmission unit includes at least one belt wound about the drive shaft of the motor and secured to the drive shaft and to two securing points of a transmission lever fixed to the pivot shaft.
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: June 17, 1997
    Assignee: W. Schlafhorst AG & Co.
    Inventor: Franz-Josef Flamm
  • Patent number: D380011
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: June 17, 1997
    Inventor: James M. Pettus
  • Patent number: D383356
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: September 9, 1997
    Inventor: Robert M. Stuck