Patents by Inventor Chiaki Shigenatsu

Chiaki Shigenatsu 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: 5526832
    Abstract: A carrying apparatus comprising an endless roller chain belt that moves on a circular track and includes a plurality of fixture plates. Each fixture plate has several interrupted slot lines each of which comprises vertically elongate lower, middle and upper slot sections, and a work holding device formed with a resilient coil section intermediate a fixing section at an upper end and a work holding section at a lower end. The work holding device being engaged with the slot line such that the coil section seats within the middle slot section and the fixing and work holding sections extend respectively through the upper and lower slot sections to hold a workpiece between the holding section and an edge of the fixture plate. The middle slot section being skewed at an inclined angle with the upper and lower slot section having vertical axes parallel to and spaced one from the other.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: June 18, 1996
    Assignee: Fuji Seiki Machine Works, Ltd.
    Inventors: Chiaki Shigenatsu, Masami Nishihara