Patents by Inventor John K. DeHart

John K. DeHart 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).

  • Rotational lock mechanism for actuator
    Patent number: 9863745
    Abstract: Provided is a rotational lock for a control surface, the rotational lock having an output gear including one or more locking members alignable with corresponding locking members on a lock plate in an unlocked position of the rotational lock, the locking members being engageable upon the axial movement of the lock plate to couple the lock plate and lock gear for common rotation. In this way, a rotational lock can be provided that is lightweight, utilizes minimal components, and utilizes an existing motor that actuates the control surface and unlocks the mechanism.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: January 9, 2018
    Assignee: Parker-Hannifin Corporation
    Inventor: John K. DeHart
  • ROTATIONAL LOCK MECHANISM FOR ACTUATOR
    Publication number: 20120111993
    Abstract: Provided is a rotational lock for a control surface, the rotational lock having an output gear including one or more locking members alignable with corresponding locking members on a lock plate in an unlocked position of the rotational lock, the locking members being engageable upon the axial movement of the lock plate to couple the lock plate and lock gear for common rotation. In this way, a rotational lock can be provided that is lightweight, utilizes minimal components, and utilizes an existing motor that actuates the control surface and unlocks the mechanism.
    Type: Application
    Filed: November 4, 2011
    Publication date: May 10, 2012
    Applicant: PARKER-HANNIFIN CORPORATION
    Inventor: John K. DeHart