Patents by Inventor Yasunobu Tomiyama

Yasunobu Tomiyama 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: 6767175
    Abstract: A forklift having a pallet lock device. On an upper face of a top end of a lock bar to lock a pallet, a tapered portion is disposed. When a fork is inserted into the pallet, the tapered portion comes into contact with an end face of the pallet and the lock bar rotates downward. When a landing sensor is turned on by a magnet disposed on the lock bar, the lock bar is immediately driven and the locking operation is started. Then, the top end of the lock bar pushes or comes into pressure contact with an upper face of a lower deck board of the pallet, and the pallet is locked.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: July 27, 2004
    Assignee: Nippon Yusoki Co., Ltd.
    Inventors: Tutomu Fujita, Yasunobu Tomiyama, Kazumasa Kokura
  • Publication number: 20030156934
    Abstract: A forklift having a pallet lock device. On an upper face of a top end of a lock bar to lock a pallet, a tapered portion is disposed. When a fork is inserted into the pallet, the tapered portion comes into contact with an end face of the pallet and the lock bar rotates downward. When a landing sensor is turned on by a magnet disposed on the lock bar, the lock bar is immediately driven and the locking operation is started. Then, the top end of the lock bar pushes or comes into pressure contact with an upper face of a lower deck board of the pallet, and the pallet is locked.
    Type: Application
    Filed: December 13, 2002
    Publication date: August 21, 2003
    Applicant: NIPPON YUSOKI CO., LTD.
    Inventors: Tutomu Fujita, Yasunobu Tomiyama, Kazumasa Kokura