Door coupler and latch system for elevator car and landing doors

A coupling for engaging a laterally movable door of an elevator car to a door of a landing when the car door is positioned in registration with said landing, comprising:

• a first elongated vane, supportably attached to the car door and movable therewith, said first vane extending longitudinally vertically;
• a second elongated vane, longitudinally oriented parallel to the first vane, said second vane mounted to the car door by a pair of pivoted link arms,
• whereby said second vane is movable in a plane parallel to the car door;
• an engagement link, pivotally attached to said second vane, the engagement link further including an engagement hook integral therewith;
• and
• means, responsive to the lateral position of the car door, for positioning said second vane and engagement link, the positioning means including:
• a roller mounted to the engagement link and adapted to engage a camway secured to the elevator car, said roller and camway operable to position the engagement link and said second vane during at least a portion of the movement of the car door;
• an engagement striker, fixed to the car door, for receiving and engaging the engagement hook during operation of the car door and landing door;
• and
• a deterrent latch, operable to prevent movement of the car door when the elevator car is not positioned in registration with a landing door, said latch including
• a deterrent hook, secured to said second vane and movable therewith;
• and
• a deterrent striker, secured to the elevator car,
• and wherein the positioning means is adapted to position the deterrent hook to engage the deterrent striker upon movement of the car door from a closed position during such period when the elevator car is not in registration with a landing.