Patents by Inventor Teruaki Yasuda

Teruaki Yasuda 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).

  • Controlling apparatus for driving gear in suction cleaner
    Patent number: 3977038
    Abstract: A controlling apparatus for the driving gear of a suction cleaner equipped with a container accommodating a suction fan together with a motor for actuating said fan, a suction hose, and a device for the paying-out and hauling-in of said suction hose together with a reversible motor for actuating said device, both of said motors being supposed to be controlled by means of controlling circuits to be actuated by a switch disposed near the fore end of said hose through a couple of lead wires buried in the hose, wherein said controlling circuits for these motors are respectively provided with three relays for actuating the respective motor and three switches for actuating said relays as incorporated therein, two of three circuits thus combined with said relay and actuating switch corresponding therewith are respectively provided with AC half-wave rectifiers having opposite polarities while the remaining one circuit is provided with contacts to be controlled by two relays included in said two circuits.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: August 31, 1976
    Assignee: Hiroshi Hukuba
    Inventors: Hiroshi Hukuba, Iwao Ikegami, Teruaki Yasuda
  • Suction cleaner
    Patent number: 3958297
    Abstract: A suction cleaner, wherein the interior of a container thereof is divided into two chambers, namely, the first chamber and the second chamber, by a partition, and the first chamber accommodates a suction fan, a filter member and a dust-receiving box installed therein while the second chamber randomly stores a suction hose, the rear end of said hose being rotatably supported within an opening provided in said partition while the front end of said hose projects out of an opening provided on one side of said container; a device for the paying-out and hauling-in of the hose is installed adjacent the inside of said opening provided on the container; lead wires are provided for the hose along the whole length thereof, the front end of said lead wires being connected with a switch mounted on the hose while the rear end of the same being connected with a ring contact provided on the hose; said movable contact is devised to be in touch with a fixed contact provided on the partition; and said fixed contact is connected
    Type: Grant
    Filed: April 17, 1974
    Date of Patent: May 25, 1976
    Assignee: Kabushiki Kaisha Hukuba Future Research
    Inventors: Hiroshi Hukuba, Iwao Ikegami, Teruaki Yasuda