Patents by Inventor Masazumi Fukushima

Masazumi Fukushima 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: 6224313
    Abstract: To provide an automatic warehouse that can elevate and lower an elevating rail stably even if racks are high, and that allows effective use of the space between the racks for maintenance. Elevation drive sections for an elevating rail 3 are provided near the respective ends of one of racks 1 and 2, a rope 40 attached to a rail-supporting member 12 is wound around a drum 22, and a counterweight 24 is used to balance the effect of gravity in order to elevate and lower a rail 3. A travelling cart 4 travels on the rail 3, and the rotation of a turntable 5 and the rotation of arms 6 and 7 and a hand 11 are used to load and unload an article on and from the rack 1 or 2.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: May 1, 2001
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Masazumi Fukushima, Tamotsu Shiwaku
  • Patent number: 6113341
    Abstract: A traveling rail 8 is provided in a clean room at slightly above head height, and arms 44, 46 placed atop one another and a fork 56 are used to allow a tracking cart to travel along the rail to load a workpiece 20. A fork elevating section 54 is provided at the tip of the lower arm 46 to elevate and lower the fork 56. A loop can be constructed without obstructing personnel in the area and faster loading times can be obtained.
    Type: Grant
    Filed: October 22, 1998
    Date of Patent: September 5, 2000
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventor: Masazumi Fukushima
  • Patent number: 5913722
    Abstract: To allow an elevating body (17) in a clean robot (RB) installed in a clean room (R) to be located outside frames (4) without protruding from a swivel base (2) in order to enable the elevating body to be assembled and maintained easily and to ensure a wide elevating stroke. Two hollow frames (4, 4) extend vertically from the right and left sides of the rear of a swivel base (2) so as to be approximately symmetrical, a cover (9) is mounted between the frames (4, 4) and an elevating body (17) having a robot body (20) at its tip is accommodated in an elevating space (13) in the cover (9) and supported by rails (15) in the frames (4) so as to travel upward and downward.
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: June 22, 1999
    Assignees: ShinMaywa Industries, Ltd., Murata Kikai Kabushiki Kaisha
    Inventors: Keiji Katou, Masazumi Fukushima