Patents by Inventor Tomeaki Tama

Tomeaki Tama 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).

  • Change-speed apparatus for a tractor
    Patent number: 4462273
    Abstract: A change-speed apparatus for a tractor for transmitting engine power to running travel apparatuses via a main change-speed mechanism, an auxiliary change-speed mechanism and a forward-and-rearward-travel-shifter mechanism. These mechanisms are arranged in series in fore-and-aft direction of a machine body and a shifter lever for the said forward-and-rearward-travel-shifter mechanism is disposed in juxtaposition to a main change-speed lever for the said main change-speed mechansim.
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: July 31, 1984
    Assignee: Kubota, Ltd.
    Inventors: Takashi Yoshii, Yasuyuki Horii, Tomeaki Tama
  • Structure for attaching an implement to an offset-type tractor
    Patent number: 4274652
    Abstract: For attaching an implement to an offset-type tractor with a top link and two lower links; a top-link-mounting bracket and a first and a second lower-link-mounting brackets are provided for the three links, respectively. The first lower-link-mounting bracket is fixed to an upper portion of an arm securely borne on and transversely protruding from a wall part of an offset transmission case of the tractor. The first lower-link-mounting bracket has on a lower portion thereof a first lower-link-mounting pin fixed thereto.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: June 23, 1981
    Assignee: Kubota, Ltd.
    Inventors: Masayori Kajino, Takashi Yoshii, Tomeaki Tama
  • Reinforcement frame for an offset type tractor
    Patent number: 4167982
    Abstract: An offset type tractor, especially for agricultural work, comprising a structural unit including an engine and transmission casing directly connected to the engine, the unit being offset to one lateral side of the longitudinal center line of the tractor. The rear drive wheels of the tractor are mounted on the transmission casing. A reinforcement frame is securely affixed on a continuing lateral surface both of the engine and the transmission casing, on the side thereof nearer to the longitudinal center line of the tractor.
    Type: Grant
    Filed: March 29, 1978
    Date of Patent: September 18, 1979
    Assignee: Kubota, Ltd.
    Inventors: Tetsuo Ishioka, Tomeaki Tama, Taichi Fujihara, Yasunobu Yamaue