US 12,234,124 B2
Elevator car door detection apparatus
Hiroshi Kashiwakura, Hikone (JP)
Assigned to FUJITEC CO., LTD., Hikone (JP)
Filed by FUJITEC CO., LTD., Hikone (JP)
Filed on Sep. 6, 2023, as Appl. No. 18/242,783.
Claims priority of application No. 2022-145832 (JP), filed on Sep. 14, 2022.
Prior Publication US 2024/0083714 A1, Mar. 14, 2024
Int. Cl. B66B 13/22 (2006.01); B66B 13/18 (2006.01)
CPC B66B 13/22 (2013.01) [B66B 13/185 (2013.01); B66B 2201/46 (2013.01)] 2 Claims
OG exemplary drawing
 
1. An elevator car door detection apparatus comprising:
a vertically-oriented frame disposed above an entrance of a car;
a door rail disposed on the frame so as to extend along a width direction of the entrance of the car;
a car door hanging down from the door rail via a door hanger; and
a target and a magnetic proximity switch for detecting the target to detect that the car door is fully open and fully closed,
the frame comprising a horizontal part extending from an upper end of the frame toward the entrance of the car,
the door hanger comprising an extending part extending upward from the door hanger,
the elevator car door further comprising:
a motor attached to one end portion in the width direction of the frame; and
a rotating body attached to an other end portion in the width direction of the frame for allowing an endless body to be looped over the rotating body and the motor, wherein
the extending part is a connecting member for connecting the door hanger and the endless body to each other,
the target is disposed on the connecting member so as to be opposed in a vertical direction to the magnetic proximity switch to enable detection, and
the magnetic proximity switch is disposed on the horizontal part.