Patents by Inventor Hiroo Namerikawa

Hiroo Namerikawa 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: 5131802
    Abstract: The invention relates to cargo-handling vehicles and the like which comprise a handling device such as a bucket or a fork. A balancing device in equipped either at the front or the rear of the vehicle in such a way as to be rotatable on an axle which is horizontal and at right angles to the running direction of the vehicle, the balancing device comprising a balance weight coupled with a vehicle body by the axle, and an elastic body and a shock absorber provided between the balance weight and the vehicle body. Pitching phenomenon of a cargo-handling vehicle or the like can be automatically restrained in a responsive manner. It is possible to prevent the vehicle from overturning caused by an unexpected imbalance. The running stability can be improved and a comfortable ride accomplished.
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: July 21, 1992
    Assignee: Toyo Umpanki Co., Ltd.
    Inventors: Tsuneo Sunami, Hiroo Namerikawa