Means Actuated By Access Barrier Movement Patents (Class 187/354)
And having movable contact component carried by support (Class 187/355)
  • Safety system for restraining movement of elevator car when car doors are open
    Patent number: 7137484
    Abstract: A safety system for restraining movement of an elevator car employing a bi-directional safety and an associated car mounted governor with a linkage, between the governor and the elevator car door, including a brake cable and clutch, wherein the governor would operate normally when the elevator car door is closed to set the safety in the event overspeed in either direction. When the door is open more than two (2) inches, for example, the governor would set the safety in the event the car moved more than a predetermined distance.
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: November 21, 2006
    Assignee: Inventio AG
    Inventor: Matthew Martin