Patents by Inventor Tim Askins

Tim Askins 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).

  • Electromechanical door locks for lifts
    Patent number: 8424934
    Abstract: An electromechanically actuated safety lock mechanism particularly suited for elevator hall doors, dumb waiters, and similar lift mechanisms and other applications. A door lock and switch comprises a fixed contact member that is attached to a movable door and a movable locking mechanism attached to a door jamb or second moving door. The locking mechanism may include an involute gear and star wheel, a pawl constrained by a torsion spring and an electromechanical device for actuating the pawl.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: April 23, 2013
    Inventor: Tim Askins
  • ELECTROMECHANICAL DOOR LOCKS FOR LIFTS
    Publication number: 20110180353
    Abstract: An electromechanically actuated safety lock mechanism particularly suited for elevator hall doors, dumb waiters, and similar lift mechanisms and other applications. A door lock and switch comprises a fixed contact member that is attached to a movable door and a movable locking mechanism attached to a door jamb or second moving door. The locking mechanism may comprise, an involute gear and star wheel, a pawl constrained by a torsion spring and an electromechanical means of actuating same.
    Type: Application
    Filed: January 27, 2010
    Publication date: July 28, 2011
    Inventor: Tim Askins