Patents by Inventor Tetsuo Iizuka

Tetsuo Iizuka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5063864
    Abstract: A plurality of workpieces, hanging from a sewing machine, are stacked on a workpiece stacking panel in such a manner that the lower end each of the workpiece is clamped on a workpiece draping cylinder by a first swingable clamping member and the intermediate portion thereof is thrown by a workpiece throw-over member and turned over the draping cylinder. A second swingable clamping member is provided under a working table to clamp the topmost workpiece on the stacking panel. The stacking panel is adapted for gradual downward movement according to quantity of the workpieces to be stacked on the panel.
    Type: Grant
    Filed: September 13, 1990
    Date of Patent: November 12, 1991
    Assignee: Juki Corporation
    Inventors: Tetsuo Iizuka, Tokiji Jin, Hideho Sasamoto
  • Patent number: 4730565
    Abstract: A stopping device for an eyelet button holing machine provides a stopper arm which plunges into a recess portion of a stopper cam positioned coaxial to the main shaft. To absorb the stopping impulse, extra wheel cams are provided coaxial to the main shaft which induce the stopper arm to be inclined such that its position causes a clutch pulley to contact with a low speed pulley and then the stopper arm plunges into the recess portion of the stopper cam. Thus, the machine is stopped in two steps and the stopping impulse force is effectively alleviated.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: March 15, 1988
    Assignee: Tokyo Juki Industrial Co., Ltd.
    Inventor: Tetsuo Iizuka
  • Patent number: RE35626
    Abstract: A stopping device for an eyelet button holing machine provides a stopper arm which plunges into a recess portion of a stopper cam positioned coaxial to the main shaft. To absorb the stopping impulse, extra wheel cams are provided coaxial to the main shaft which induce the stopper arm to be inclined such that its position causes a clutch pulley to contact with a low speed pulley and then the stopper arm plunges into the recess portion of the stopper cam. Thus, the machine is stopped in two steps and the stopping impulse force is effectively alleviated.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: October 14, 1997
    Assignee: Juki Corporation
    Inventor: Tetsuo Iizuka