Patents Represented by Attorney William V. Ebs

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  • Light assembly for a sewing machine
    Patent number: 4413310
    Abstract: A sewing machine is provided with a slidable bulb carrying bracket like member and a bulb cover with which the member may be moved between: (1) an elevated position wherein the bulb is protected both by the bulb cover and surrounding structure of the head end portion of the machine; and (2) a lowered position wherein the bulb is accessible for removal and replacement.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: November 1, 1983
    Assignee: The Singer Company
    Inventor: Kenneth D. Adams
  • Vented pneumatic foot controller
    Patent number: 4413214
    Abstract: A speed controlling arrangement for an electric motor is provided with a pneumatic foot controller which includes a bulb that is opened to the atmosphere between operative periods to equalize pressure in both the bulb and a transducer, but is closed when foot pressure is applied to the bulb to actuate the transducer.
    Type: Grant
    Filed: November 12, 1981
    Date of Patent: November 1, 1983
    Assignee: The Singer Company
    Inventor: Jack Brown
  • Noise reducing arrangement for gears
    Patent number: 4406174
    Abstract: The meshing bevel gears used to drive the vertical axis looptaker of a sewing machine are preloaded with a compressed resilient member which is prevented from deflecting to a position beyond its elastic limit during the running of the gears.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: September 27, 1983
    Assignee: The Singer Company
    Inventor: Jan Szostak
  • Fabric repairing method
    Patent number: 4406723
    Abstract: A damaged area of a fabric is repaired by removing the damaged area from the fabric while folded across the damaged site, and thereafter bonding a patch and underlying thermoplastic impregnated pad to each other and to the fabric with the application of heat.
    Type: Grant
    Filed: April 28, 1982
    Date of Patent: September 27, 1983
    Assignee: The Singer Company
    Inventors: Michael Marra, Thomas J. Pendleton, Douglas W. Smith, Artin G. Vartoukian
  • Presser bar spring-connection
    Patent number: 4403561
    Abstract: An axially aligned presser bar collar and presser bar bushing in a sewing machine are connected by a helical spring having one end portion affixed to the collar and having the opposite end portion threaded onto a resilient split ring which is located in an annular groove in the bushing.
    Type: Grant
    Filed: November 23, 1981
    Date of Patent: September 13, 1983
    Assignee: The Singer Company
    Inventors: Henry Schaeflern, Jan Szostak
  • Brush board assembly for dynamoelectric machine
    Patent number: 4404488
    Abstract: A brush board assembly for a dynamoelectric machine is provided with flexible electrically conductive brush carrying flat springs which are pinned to a ring-like mounting board in a manner effective to electrically connect the spring to printed circuitry on the board.
    Type: Grant
    Filed: January 12, 1982
    Date of Patent: September 13, 1983
    Assignee: The Singer Company
    Inventor: John A. Herr
  • Double pointed looper actuating mechanism for chain stitch sewing machine
    Patent number: 4401043
    Abstract: A sewing machine is provided with a double pointed looper and actuating mechanism therefore including a double tracked cam, an actuator operable on the cam tracks, and a gate with a resiliently movable portion for controlling movement of the actuator between the cam tracks.
    Type: Grant
    Filed: August 23, 1982
    Date of Patent: August 30, 1983
    Assignee: The Singer Company
    Inventor: Wesley R. Peterson
  • Resilient bobbin thread pull-off member for lockstitch sewing machine
    Patent number: 4399761
    Abstract: A lockstitch sewing machine is provided with an elongate resilient member which is affixed at one end in the machine and extends under the feed dog of the machine for engagement thereby. The resilient member is flexed by the feed dog during downward movement thereof and then acts against bobbin thread pulling it from the bobbin spool. The elongate member relaxes and separates from the bobbin thread during upward movement of the feed dog.
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: August 23, 1983
    Assignee: The Singer Company
    Inventors: Gerald J. Creed, Thaddeus J. Zylbert
  • Thread controlling arrangement for bobbin winding mechanism
    Patent number: 4397250
    Abstract: A sewing machine bobbin case is provided with a thread tensioning device that includes a pivotally movable arm which is spring biased into a position preventing thread from entering the device during the sewing of materials on the machine, but which is disposable by a finger in a position providing for the introduction of thread into the device in preparation for the performance of a bobbin winding operation.
    Type: Grant
    Filed: August 20, 1981
    Date of Patent: August 9, 1983
    Assignee: The Singer Company
    Inventors: Thaddeus J. Zylbert, Herbert T. Hurler
  • Brush board assembly for dynamoelectric machine with flat end commutator
    Patent number: 4396850
    Abstract: A brush board for a dynamoelectric machine is formed with resilient arms which are an integral part of the board and have commutator engageable brushes affixed at the free ends thereof. The board carries printed circuitry which extends to the free end of the arms and connects with the brushes.
    Type: Grant
    Filed: January 12, 1982
    Date of Patent: August 2, 1983
    Assignee: The Singer Company
    Inventor: John A. Herr
  • Straight stitch throat plate for a sewing machine
    Patent number: 4395962
    Abstract: A straight stitch throat plate for a sewing machine is formed as a resilient thin sheet metal part with integral appendages including a depending rear tab which hooks under the edge of a feed dog slot in a zig-zag plate, laterally spaced depending tabs which are received in locator holes in the zig-zag place, and a bent down flange to extend over a front edge of the zig-zag plate into a position wherein the flange may be engaged by a slide plate on the sewing machine.
    Type: Grant
    Filed: September 23, 1981
    Date of Patent: August 2, 1983
    Assignee: The Singer Company
    Inventor: Charles R. Odermann
  • Thread holding finger for bobbin winding mechanism of a sewing machine
    Patent number: 4389955
    Abstract: A thread engageable finger for guiding needle thread into a thread receiving slot on the bobbin case of a sewing machine, as a seized loop of the thread is moved about the bobbin case by a looptaker, is provided along a thread engaging edge with a predetermined curved contour effective to delay movement of the thread along said edge until the introduction of thread into the bobbin case slot as required for bobbin winding is assured.
    Type: Grant
    Filed: May 20, 1981
    Date of Patent: June 28, 1983
    Assignee: The Singer Company
    Inventors: Robert H. Larsen, Anthony Giaimo
  • Presser foot and shank design (snap-on)
    Patent number: 4385576
    Abstract: A presser foot for a sewing machine is formed of plastic with upstanding spreadable legs including protuberances which snap into countersunk portions of a through hole in a shank to provide a pivotal mounting for the foot on the shank in the machine.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: May 31, 1983
    Assignee: The Singer Company
    Inventor: Walter H. W. Marsh
  • Sewing machine control mechanism mounting plate
    Patent number: 4385577
    Abstract: A control mechanism is attached to a sewing machine frame with a bayonet type connection including a slotted plate on the control mechanism and a spring biased pin which is axially movable in the frame and is extendable through an enlarged one end portion of a slot in the plate. The pin includes an enlargement which, when the plate is turned is caused to enter an opposite end portion of the slot and lock the control onto the frame.
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: May 31, 1983
    Assignee: The Singer Company
    Inventor: Thomas G. Graham
  • Multi-level armature winding for single air gap motor
    Patent number: 4386291
    Abstract: A single air gap motor is provided with inner and outer coil wires in armature slots. Inner and outer coils with the same number of turns are symmetrically distributed around the armature and are connected in series with inner and outer coils alternating in the connection to balance out back E.M.F.
    Type: Grant
    Filed: December 11, 1981
    Date of Patent: May 31, 1983
    Assignee: The Singer Company
    Inventor: John A. Herr
  • Thread guiding and hold-down pawl for bobbin winding mechanism of a sewing machine
    Patent number: 4385574
    Abstract: A control arm for bobbin winding mechanism in a lockstitch sewing machine is provided with a pawl which serves both to guide needle thread into a thread entering slot for a tensioning device on a bobbin case, and to hold an arm of the tensioning device in a position effective to prevent the thread from being pulled out of the slot.
    Type: Grant
    Filed: May 20, 1981
    Date of Patent: May 31, 1983
    Assignee: The Singer Company
    Inventors: Gerald J. Creed, Charles R. Odermann
  • Variably controllable bobbin thread pull-off mechanism
    Patent number: 4380961
    Abstract: A variable pull-off mechanism for a sewing machine is provided with a thread pull-off disc on a rotatably mounted shaft which is concentric with the drive shaft of a vertical axis looptaker. The disc is formed with thread catching edges which engage and pull-off thread from a bobbin as the disc is oscillated between a fixed and a controllable position in accordance with the operation of a servomotor responsive to various control signals.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: April 26, 1983
    Assignee: The Singer Company
    Inventors: Gerhard Reinert, Donald R. Davidson
  • Sewing machine cradle safety interlock
    Patent number: 4379601
    Abstract: An interlock mechanism for a sewing machine cabinet of the drop head type that prevents the inadvertent unlatching of the sewing machine support platform prior to pivoting hinged panels out of the way thereby preventing damage to the sewing machine and panels.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: April 12, 1983
    Assignee: The Singer Company
    Inventor: William G. Hauser
  • Adjustable thread tensioning device for a sewing machine
    Patent number: 4372502
    Abstract: A thread tensioning device for a sewing machine is provided with a rigid beam which pivots on an adjustable fulcrum in engagement with a mounting plate. The device includes an adjustable tension selector movable along the plate and beam for varying the tension on needle thread disposed between the plate and beam.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: February 8, 1983
    Assignee: The Singer Company
    Inventors: Robert H. Larsen, Anthony Giaimo
  • Tapered screw fastening means for bushings, sleeves and bearings
    Patent number: 4372703
    Abstract: A bushing, sleeve, bearing or like part is secured in a structural member with a clamping device which is screwed into the structural member at right angles to said part to cause a tapered portion of the device converging toward terminating a reduced diameter material end portion to forcibly engage the said part.
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: February 8, 1983
    Assignee: The Singer Company
    Inventor: Jan Szostak