Patents by Inventor Lynn C. Smith

Lynn C. Smith 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).

  • Door lock actuator unit
    Patent number: 4102213
    Abstract: An actuator unit for door locks or similar output devices includes two spaced linear actuators selectively operative respectively to lock or unlock the door through a common pivotally mounted link assembly. Such link assembly includes a lost motion connection to permit the energized actuator normally to cycle even if the door lock lever is being held to preclude movement thereof to the selected lock mode.
    Type: Grant
    Filed: October 15, 1976
    Date of Patent: July 25, 1978
    Assignee: Design & Manufacturing Corporation
    Inventor: Lynn C. Smith