Elevator door coupler assembly

Patent metadata

Field	Value
Publication number	US-9302886-B2
Application number	US-201013643629-A
Country	US
Kind code	B2
Filing date	May 17, 2010
Priority date	May 17, 2010
Publication date	Apr 5, 2016
Grant date	Apr 5, 2016

Abstract

An elevator door assembly includes car and hoistway door subassemblies. The car door subassembly includes: a car door, a door mover, and first and second vanes supported for movement relative to the car door. The hoistway door subassembly includes: a hoistway door; a locking member that selectively locks the hoistway door; and a coupler member associated with the locking member. When the car door is adjacent the hoistway door: the first vane moves into contact with the coupler member and causes the locking member to move into an unlocked position, prior to movement of the car and hoistway doors; and the second vane is retained in a non-blocking position by the coupler member. When the car door is not adjacent the hoistway door, movement of the car door toward the open position moves the second vane into a blocking position in which further movement of the car door is inhibited.

First claim

We claim:

1. An elevator door assembly, comprising:
a car door subassembly comprising:
a car door;
a first vane supported for movement relative to the car door;
a second vane supported for movement relative to the car door; and
a door mover;

a hoistway door subassembly comprising:
a hoistway door;
a locking member configured to selectively lock the hoistway door; and
a coupler member associated with the locking member,

wherein, when the car door is in a position adjacent the hoistway door:
the first vane is configured to be moved, relative to the car door, by the door mover so as to position the first vane in contact with the coupler member and thereafter to cause movement of the coupler member such that the locking member moves into an unlocked position prior to movement of the car door and the hoistway door from a closed position toward an open position; and
the second vane is retained in a non-blocking position by the coupler member when the car door and the hoistway door move from the closed position toward the open position, and

wherein, the second vane moves into a blocking position in which further movement of the car door is inhibited when the car door is in another position different than the position adjacent the hoistway door and the car door moves toward the open position.

2. The assembly of claim 1 , wherein
the car door has a car door edge that is received adjacent another surface when the car door is in the closed position;
the hoistway door has a hoistway door edge that is received adjacent another surface when the hoistway door is in the closed position; and
the hoistway door edge and the car door edge remain aligned with each other as the car door and the hoistway door move together from the closed position toward the open position.

3. The assembly of claim 1 , wherein, the car door and the hoistway door move together from the closed position toward the open position.

4. The assembly of claim 1 , wherein movement of the first vane relative to the car door occurs prior to the first vane moving with the car door when the car door is in the closed position.

5. The assembly of claim 1 , wherein the car door subassembly comprises
at least one bracket supported to remain stationary relative to the car door;
at least one moveable arm having one end that pivots relative to the at least one bracket and a second end connected to the first vane such that the first vane is moveable relative to the car door, the at least one moveable arm moving relative to the car door from a first position responsive to operation of the door mover.

6. The assembly of claim 5 , wherein contact between the first vane and the coupler member restricts movement of the first vane and the at least one moveable arm beyond a second position.

7. The assembly of claim 5 , the car door subassembly comprising a biasing member that biases the at least one moveable arm into the first position to return the at least one moveable arm to the first position as the car door moves into the closed position.

8. The assembly of claim 5 , the car door subassembly comprising
a plurality of second arms supporting the second vane such that the second vane is moveable relative to the at least one bracket, the second vane being moveable from the non-blocking position to the blocking position in which a blocking member on the second vane cooperates with a blocking feature near the car door to inhibit movement of the car door from the closed position, and
wherein the coupler member inhibits the second vane from moving into the blocking position when the coupler member is between the first vane and the second vane.

9. The assembly of claim 8 , wherein the car door subassembly comprises
at least one stopper supported on the at least one bracket in a position to abut at least one of the plurality of second arms on a side of the one second arm that faces a direction of car door movement toward the open position.

10. The assembly of claim 8 , wherein the plurality of second arms are supported on the at least one bracket such that the plurality of second arms move in a direction to urge the second vane into the blocking position responsive to the car door being urged to move from the closed position toward the open position.

11. The assembly of claim 8 , wherein the blocking member comprises a tab on the second vane and the blocking feature comprises a surface that the tab engages to inhibit movement of the car door toward the open position.

12. The assembly of claim 8 , wherein the plurality of second arms are situated such that the second vane tends to move into the blocking position under influence of gravity.

13. The assembly of claim 1 , wherein the coupler member is a single roller.

14. The assembly of claim 13 , wherein the single roller is supported on a portion of the locking member such that an initial movement of the door mover causes movement of the single roller responsive to contact with the first vane, the movement of the single roller causing movement of a portion of the door lock into an unlocked position.

15. The assembly of claim 1 , wherein contact between the first vane and the coupler member facilitates movement of the car door and the hoistway door toward the open position and contact between the second vane and the coupler member facilitates movement of the car door and the hoistway door toward the closed position.

16. The assembly of claim 1 , wherein, when the car door is adjacent the hoistway door, the coupling member is positioned between the first vane and the second vane.

17. An elevator system comprising:
a hoistway comprising a hoistway door assembly comprising:
a hoistway door;
a locking member configured to selectively lock the hoistway door; and
a coupler member associated with the locking member,

a car configured to move in the hoistway, the car comprising a car door assembly comprising:
a car door;
a first vane supported for movement relative to the car door;
a second vane supported for movement relative to the car door; and
a door mover;

wherein, when the car door is in a position adjacent the hoistway door:
the first vane is configured to be moved, relative to the car door, by the door mover so as to position the first vane in contact with the coupler member and thereafter to cause movement of the coupler member such that the locking member moves into an unlocked position prior to movement of the car door and the hoistway door from a closed position toward an open position; and
the second vane is retained in a non-blocking position by the coupler member when the car door and the hoistway door move from the closed position toward the open position, and

wherein, when the car door is in another position different than the position adjacent the hoistway door, the second vane moves into a blocking position in which further movement of the car door is inhibited if the car door moves toward the open position.

18. The elevator of claim 17 , wherein contact between the first vane and the coupler member facilitates movement of the car door and the hoistway door toward the open position and contact between the second vane and the coupler member facilitates movement of the car door and the hoistway door toward the closed position.

19. The elevator of claim 17 , wherein, when the car door is adjacent the hoistway door, the coupling member is positioned between the first vane and the second vane.

20. The elevator of claim 17 , the car comprising a ramp member that urges the second vane out

Assignees

• Tantis Jean-Pierre
• Badaoui Amine
• Mias Franky
• Ducas Philippe
• Otis Elevator Co

Inventors

• Tantis Jean-Pierre
• Badaoui Amine
• Mias Franky
• Ducas Philippe

Classifications

• B66B13/20

  Lock mechanisms actuated mechanically by abutments or projections on the cages · CPC title

• B66B13/12 Primary

  Arrangements for effecting simultaneous opening or closing of cage and landing doors · CPC title