Patents by Inventor Joseph R. Hamilton

Joseph R. Hamilton 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).

  • Rotary actuator
    Patent number: 3971480
    Abstract: The invention specifically relates to an improved rotary actuator for operating a reciprocating member used for transferring articles from one position to another. The rotary actuator is air driven, and linkage is provided between the actuator and the reciprocating member for uniformly accelerating and decelerating the member between two positions. Cushioning of the actuator also improves the acceleration and deceleration characteristics of the actuator.
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: July 27, 1976
    Assignee: Lynch Corporation
    Inventor: Joseph R. Hamilton