Patents by Inventor Chiaki Sudo

Chiaki Sudo 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).

  • Movement limiting device for bridge bearing
    Patent number: 6178706
    Abstract: A movement limiting device of a bridge bearing is provided in which the horizontal strength in the longitudinal direction and the perpendicular direction of a bridge when limitation in movement is cancelled can be suitably separately set. A rubber bearing 64 is interposed between an upper shoe plate 60 and a lower shoe plate 62. The upper shoe plate 60 has a notch 72 formed in a side thereof. A side block 80 has two projections 82, 84, which are formed integrally with the side block 80 to project upwardly. The side block 80 has a plurality of bolt through holes 86, which are formed therein on both end sides of the projections 82 and 84, and another bolt through hole 86, which is also formed in a concave portion 83 between the projections 82 and 84. Bolts 78 fix the side block to the lower shoe plate 62.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: January 30, 2001
    Assignee: Bridgestone Corporation
    Inventors: Sadao Nomoto, Chiaki Sudo