Patents Represented by Attorney William V. Ebs

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  • Spring system for push-button control in a sewing machine
    Patent number: 4612821
    Abstract: A push-button control for a sewing machine is provided with a spring system which returns slidable push-buttons from actuated to unactuated positions, and includes individual wire springs supported within grooves in a fixed member and preloaded against extended portions of the buttons.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: September 23, 1986
    Assignee: The Singer Company
    Inventor: William Weisz
  • Torque transmitting handwheel clip-on member for a sewing machine
    Patent number: 4583419
    Abstract: A handwheel is assembled to a sewing machine arm shaft with a conical screw in association with a torque transmitting handwheel clip-on member having wings thereon which are disposed in line contact with the screw, and which include planar surfaces that are caused to engage planar surfaces on radially extending ribs of the handwheel.
    Type: Grant
    Filed: November 9, 1984
    Date of Patent: April 22, 1986
    Assignee: The Singer Company
    Inventor: William Weisz
  • Thread guide construction
    Patent number: 4559886
    Abstract: A sewing machine thread guide is provided with a flexible plastic thread entrapping core portion, and a hard core encasing portion having thread supporting grooves in alignment with thread receiving eyelets in the core portion.
    Type: Grant
    Filed: November 9, 1984
    Date of Patent: December 24, 1985
    Assignee: The Singer Company
    Inventor: Thaddeus J. Zylbert
  • Control mechanism in a sewing machine for pattern and buttonhole sewing
    Patent number: 4553491
    Abstract: A cam selecting drum which is loosely supported in punched out holes in the frame of a sewing machine is spring biased into stabilized indexed positions to prevent variable stitch formation, and an idler gear which is also loosely supported on said frame for engagement with a gear on said drum as well as a gear on a mode selecting dial is spring biased to provide a loose meshing relationship with the gear on the drum whereby a feeling of placement of the dial becomes evident in indexed positions of the drum.
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: November 19, 1985
    Assignee: The Singer Company
    Inventors: Robert B. Brauch, John Mihovch
  • Thread tensioning device for a sewing machine
    Patent number: 4545311
    Abstract: A thread tensioning device, wherein a helical spring of varying diameter is deflected by a control knob with a defined operating range to increase tension in sewing thread moved through the device, is provided with a member which is formed to engage one or more intermediate coils of the spring while the spring is deflected more than a predetermined amount by the control knob and thereby increase thread tension obtainable over a portion of the operating range of the knob.
    Type: Grant
    Filed: August 2, 1984
    Date of Patent: October 8, 1985
    Assignee: The Singer Company
    Inventors: Anthony Giaimo, Robert H. Larsen, Donald Rodda
  • Thread retaining cloth strip for lockstitch sewing machines
    Patent number: 4541350
    Abstract: A lockstitch sewing machine is provided with a thread handling device comprising opposing lengths of cloth that receive and frictionally engage thread therebetween to maintain the takeup of the machine thread and impose restraint upon the descent of the thread when the takeup is moved downwardly from a stitch setting position.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: September 17, 1985
    Assignee: The Singer Company
    Inventor: Stanley J. Ketterer
  • Looper-cam shifting arrangement for a sewing machine
    Patent number: 4535711
    Abstract: A hand operated sewing machine with opposing loop seizing points for forming chain stitches. A work feeding plate reciprocates with a plate member about a pivot. A flexible upstanding portion at one end of an arm is biassed by the moving plate member causing the other arm end to bias a cam affixed to the loop seizing points. This bias determines the cam path taken by a drive pin that provides motion to the loop seizing points.
    Type: Grant
    Filed: October 12, 1984
    Date of Patent: August 20, 1985
    Assignee: The Singer Company
    Inventor: Stanley J. Ketterer
  • Stabilizing arrangement for a sewing machine cam post
    Patent number: 4535710
    Abstract: An angularly configured bracket is mounted at one end portion for pivotal adjustment in a sewing machine into a position of engagement at another end portion with fixed machine structure. A fastener extending through a slot in the bracket while the bracket is so adjusted secures the bracket to the upper end of a fixed post having a rotatable work feed controlling cam thereon, and so stabilizes the post against distortion by a spring biased cam engaging follower.
    Type: Grant
    Filed: December 7, 1984
    Date of Patent: August 20, 1985
    Assignee: The Singer Company
    Inventors: Jan Szostak, Frank Fennesz, Jr.
  • Arrangement for suppressing noise and preventing faulty stitch formation in a sewing machine
    Patent number: 4530298
    Abstract: A sewing machine which is operable in either a cam controlled feeding mode or a manually controlled feeding mode is provided with a spring which is moved into loading engagement with a feed regulating control lever by mode selecting mechanism when the selecting mechanism is disposed for manual control, and is moved away from the feed regulating control lever when the selecting mechanism is disposed for cam controlled feeding.
    Type: Grant
    Filed: July 26, 1984
    Date of Patent: July 23, 1985
    Assignee: The Singer Company
    Inventors: Jan Szostak, Henry Schaeflern
  • Stitch length control dampening arrangement for a sewing machine
    Patent number: 4526118
    Abstract: Vibrational movements of a spring biased lever, which is selectively positionable by a stitch length control lever and controls the operation of feed regulating mechanism in a sewing machine accordingly, are dampened by the operation of a plunger that is carried by said control lever and has a camming surface thereon to engage and lift the spring biased lever when the control lever is moved.
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: July 2, 1985
    Assignee: The Singer Company
    Inventor: Robert B. Brauch
  • Noise suppression and thread control arrangement for a sewing machine
    Patent number: 4524708
    Abstract: A bobbin case, which is loosely confined within the looptaker of a sewing machine, is biased both into engagement on one side against the looptaker and about the looptaker axis toward a position of engagement with a stop by a continuously engaging light force applying resilient member, and a shock absorber is disposed for engagement with the bobbin case only upon movement thereof through a predetermined distance in opposition to the bias of said resilient member.
    Type: Grant
    Filed: August 13, 1984
    Date of Patent: June 25, 1985
    Assignee: The Singer Company
    Inventors: Donald Rodda, Charles R. Odermann
  • Feed controlling arrangement for button sewing machine
    Patent number: 4522133
    Abstract: A button sewing machine is provided on a fabric and button positioning plate with a thread supporting tongue to extend longitudinally in a needle hole into engagement with the underside of fabric and enable thread to be sewn under and across the tongue to prevent the fabric from slipping on the plate during a button sewing operation.
    Type: Grant
    Filed: October 12, 1984
    Date of Patent: June 11, 1985
    Assignee: The Singer Company
    Inventor: Stanley J. Ketterer
  • Looper and cam assembly for chain stitch sewing machine
    Patent number: 4522135
    Abstract: A hand operable chain stitch sewing machine including a pivoted cam and looper assembly with a limited axial position has the looper mounted on the cam so as to deflect axially away from the cam when engaged by the needle of the machine and leave the cam in its limited position wherein cam tracks and a gate therefor are disposed for cooperation with an actuator for the pivoted assembly and a gate spring respectively.
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: June 11, 1985
    Assignee: The Singer Company
    Inventor: Stanley J. Ketterer
  • Needle thread tensioning device for a sewing machine
    Patent number: 4520743
    Abstract: Opposing plates of a thread tensioning device for use on a lock stitch sewing machine in a thread handling system wherein needle thread is caused to pass between elongate members of a thread holder which meters thread to the looptaker of the machine are formed with recesses through which the thread can fall without restraint to supply thread to the looptaker during the movement thereof from a loop seizing to a cast-off position.
    Type: Grant
    Filed: August 3, 1984
    Date of Patent: June 4, 1985
    Assignee: The Singer Company
    Inventor: Thaddeus J. Zylbert
  • Thread severing arrangement for thread winding bobbin
    Patent number: 4515099
    Abstract: An axially movable plunger in a bobbin, and a cam for disposing the plunger in a position resulting in rotation of the bobbin for bobbin winding are formed with engageable planar surfaces, one of which includes a sharp edge hole, and the other of which includes an elongate slot to provide for the cutting of thread between the edges of the hole and slot at the outset of a bobbin winding operation.
    Type: Grant
    Filed: January 25, 1984
    Date of Patent: May 7, 1985
    Assignee: The Singer Company
    Inventor: Gerald J. Creed
  • Foot leveling sewing aid and method of use
    Patent number: 4509444
    Abstract: A plurality of like fabric layers, each of which is formed with a concavely curved edge, a convexly curved edge, and a straight edge, are held together at one end with a metal grommet. A selected edge and selected numbers of layers are disposed under a presser foot against a thickened edge of material to be sewn to support and maintain the presser foot level, and to thereby prevent stitch shortening.
    Type: Grant
    Filed: April 27, 1983
    Date of Patent: April 9, 1985
    Assignee: The Singer Company
    Inventors: Clarice M. Howe, Audrey Mack
  • Anti-jam thrust washer for sewing machine looptaker
    Patent number: 4506614
    Abstract: A thrust washer on the looptaker shaft of a sewing machine between the underside of a hook body and the top end of a bushing wherein the looptaker shaft is rotatable is provided with thread engageable peripheral flanges, one of which is disposed to extend upwardly into a recess formed in the hook body and the other one of which extends downwardly over the top edge of the bushing.
    Type: Grant
    Filed: July 11, 1983
    Date of Patent: March 26, 1985
    Assignee: The Singer Company
    Inventors: Robert H. Larsen, Charles R. Odermann
  • Stitch length control for hand operable sewing machine
    Patent number: 4505213
    Abstract: A hand operable chain stitch sewing machine is provided with a top work feeding arrangement wherein a feed dog is moved away from a stop to engage and move a work piece under a sewing needle. The stop is adjustable and may be positioned with an operator's control to predetermine stitch length.
    Type: Grant
    Filed: April 16, 1984
    Date of Patent: March 19, 1985
    Assignee: The Singer Company
    Inventor: Karl H. Killinger
  • Hand operable sewing machine
    Patent number: D278912
    Type: Grant
    Filed: January 14, 1983
    Date of Patent: May 21, 1985
    Assignee: The Singer Company
    Inventors: Michael E. Laude, Thomas J. Pendleton, Douglas W. Smith, Robert E. Dawson, Andrew J. Blance
  • Hand operable fabric repairing machine
    Patent number: D279295
    Type: Grant
    Filed: January 14, 1983
    Date of Patent: June 18, 1985
    Assignee: The Singer Company
    Inventors: Michael E. Laude, Thomas J. Pendleton, Douglas W. Smith, Robert E. Dawson, Andrew J. Blance