Patents by Inventor John H. Rollins, Jr.

John H. Rollins, Jr. 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: 3971536
    Abstract: A helicopter rotor control mechanism is provided in which cyclic and collive rotor control functions are performed by a single control wheel having three degrees of freedom and operable by either or both hands of the pilot as desired. The control wheel is rotatable and translatable on one axis and tiltable about another to perform lateral, collective and pitch controls, respectively, through non-interacting linkages driving conventional collective control, lateral control and pitch control push rods connected to a conventional rotor control head of the swash plate type.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: July 27, 1976
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: John H. Rollins, Jr.