Patents by Inventor Robert H. Broadbent

Robert H. Broadbent 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: 3986409
    Abstract: A push-to-engage device comprising a hollow knob having axially disposed therein an independent bushing provided with a fastener for bindingly engaging an inserted end portion of a rotatable shaft and with a plurality of recesses disposed for engagement with keys protruding inwardly from the knob, and an external resilient device coupled to the knob for positioning the keys in spaced relationship with the recesses in the bushing.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: October 19, 1976
    Assignee: Raytheon Company
    Inventors: William V. Tripp, Robert H. Broadbent