Patents by Inventor Tetsufumi Egami

Tetsufumi Egami 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).

  • Jig for mounting a front derailleur in a bicycle
    Patent number: 4337933
    Abstract: A jig for mounting a front derailleur on a frame at a bicycle. The jig has a main body opposite to the lateral side of one of a pair of guide plates and having a length along the lateral side of the guide plate. The main body has a receiving plate having a receiving face of a circular arc fit to the lower end face of the guide plate, and has an engaging portion engageable with the outer peripheral portion of the front chain gear. The receiving face, when the engaging portion engages with the outer peripheral portion of the chain gear, is adapted to be put in a proper position with respect to the chain gear, so that the guide plate is positioned along the receiving face to set the front derailleur in its mounting position onto the frame.
    Type: Grant
    Filed: April 9, 1980
    Date of Patent: July 6, 1982
    Assignee: Shimano Industrial Company Limited
    Inventor: Tetsufumi Egami
  • Front derailleur for a bicycle
    Patent number: 4279605
    Abstract: An improved front derailleur for a bicycle, is provided with a mounting nose extending from a base member of the derailleur and with a support mounted to the nose integrally therewith or independently thereof, the support including an insertion bore for a control wire and a socket for an outer sheath guiding the wire. The mounting nose and support have guide slots in continuation of the insertion bore and extending therefrom, the guide slot extending in a direction away from a linkage member of the derailleur. The guide slots have a length larger than the maximum wire deflection created when a control wire having no outer sheath is operated.
    Type: Grant
    Filed: August 28, 1979
    Date of Patent: July 21, 1981
    Assignee: Shimano Industrial Company Limited
    Inventor: Tetsufumi Egami
  • Front derailleur for a bicycle
    Patent number: RE31854
    Abstract: An improved front derailleur for a bicycle, is provided with a mounting nose extending from a base member of the derailleur and with a support mounted to the nose integrally therewith or independently thereof, the support including an insertion bore for a control wire and a socket for an outer sheath guiding the wire. The mounting nose and support have guide slots in continuation of the insertion bore and extending therefrom, the guide slot extending in a direction away from a linkage member of the derailleur. The guide slots have a length larger than the maximum wire deflection created when a control wire having no outer sheath is operated.
    Type: Grant
    Filed: July 14, 1983
    Date of Patent: March 26, 1985
    Assignee: Shimano Industrial Company Limited
    Inventor: Tetsufumi Egami