Patents by Inventor Tomio Wakatsuki

Tomio Wakatsuki 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: 5303757
    Abstract: A tire anti-skid device comprises a mounting member removably mounted on a side surface of a wheel of an automobile in such a manner as to be coaxial with the wheel; a plurality of arms made of elastic bodies, which radially extend from the mounting member; ground-contact portions each being formed by bending the leading edge of each of the arms, which are intended to be brought in contact with a tire tread surface; a ground-contact ring for connecting the adjacent ground-contact portions with each other, which is intended to be brought in contact with the tire tread surface; and reverse portions each being formed at a junction portion between the arm and the ground-contact portion, which are intended to reverse the ground-contact portions in such a manner that the inner surfaces in contact with the tire tread surface becomes the outer peripheral surfaces.
    Type: Grant
    Filed: April 14, 1993
    Date of Patent: April 19, 1994
    Assignee: The Ohtsu Tire & Rubber Co., Ltd.
    Inventors: Tomio Wakatsuki, Toshitaka Nishi, Satoru Ohto
  • Patent number: 4800943
    Abstract: A device for dislodging a tire bead from the bead seat of a wheel rim comprises a support member positionable on the upper side of the wheel rim, a pair of engaging pawl portions provided on the support member and engageable with the wheel rim from outside the outer periphery thereof at diametrically opposed positions of the rim for removably fixing the support member to the wheel rim, and a bead pusher provided on the support member adjacent to at least one of the engaging pawl portions. With the wheel rim clamped between the pawl portions at the opposed positions, the bead pusher is driven by rotating a screw to cause the pusher to dislodge the bead from the bead seat and push the bead into the center drop of the wheel rim.
    Type: Grant
    Filed: August 25, 1987
    Date of Patent: January 31, 1989
    Assignee: The Ohtsu Tire & Rubber Co., Ltd.
    Inventors: Hitoo Umemoto, Tomio Wakatsuki