Patents by Inventor Tom Frederick Samrah

Tom Frederick Samrah 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: 6869068
    Abstract: The present invention provides a low-cost electric clamping device in which a toggle linkage can be actuated by a small low-torque electric motor. The device includes a gear speed reducing mechanism connected to the electric motor, a linkage connected to the speed reducing mechanism, a clamp arm shaft connected to the linkage, and a body 2 for housing them. The linkage includes a crank link connected to a last-stage spur gear of the speed reducing mechanism, a cam follower link which is connected at one end thereof to the crank link and to which a cam follower moving on cam rail faces is rotatably mounted, and a driving lever to which the other end of the cam follower link is connected and which projects from the clamp arm shaft.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: March 22, 2005
    Assignee: SMC Corporation
    Inventors: Kai Zhao, Tom Frederick Samrah, Jeff Gerald Kozlowski, Erick William Rudaitis
  • Publication number: 20040150149
    Abstract: The present invention provides a low-cost electric clamping device in which a toggle linkage can be actuated by a small low-torque electric motor. The device includes a gear speed reducing mechanism connected to the electric motor, a linkage connected to the speed reducing mechanism, a clamp arm shaft connected to the linkage, and a body 2 for housing them. The linkage includes a crank link connected to a last-stage spur gear of the speed reducing mechanism, a cam follower link which is connected at one end thereof to the crank link and to which a cam follower moving on cam rail faces is rotatably mounted, and a driving lever to which the other end of the cam follower link is connected and which projects from the clamp arm shaft.
    Type: Application
    Filed: January 31, 2003
    Publication date: August 5, 2004
    Applicant: SMC Corporation
    Inventors: Kai Zhao, Tom Frederick Samrah, Jeff Gerald Kozlowski, Erick William Rudaitis