Elevator car emergency ladder systems
AssigneeOtis Elevator Company
InventorJihwan Choi
Life of this patent
Estimating the term…
Abstract
Elevator cars include a front wall panel with a car door in an opening. A storage cavity is defined within a portion of one of the front wall panel and the car door and is located behind a cab facing surface thereof. The storage cavity is defined by the cab facing surface and a side surface that defines a part of the opening when the car door is in an open state. An emergency ladder assembly is configured to be removably installed into the storage cavity. A storage opening is defined on the side surface and the emergency ladder assembly includes a cover plate configured to be removably attached to the side surface and cover the storage opening and an emergency ladder removably stored on the cover plate, with the emergency ladder being housed within the storage cavity in a stowed state.
Claims20
An elevator car comprising:
- a front wall panel defining an opening for an elevator car door;
- an elevator car door arranged to open and close within the opening;
- a storage cavity defined within a portion of one of the front wall panel and the elevator car door and located behind a cab facing surface thereof, wherein the storage cavity is defined by the cab facing surface of the respective front wall panel or elevator car door and a side surface of the respective front wall panel or elevator car door, wherein the side surface defines a part of the opening when the elevator car door is in an open state;
- and
- an emergency ladder assembly configured to be removably installed into the storage cavity,
- wherein a storage opening is defined on the side surface of the respective front wall panel or elevator car door, and
- wherein the emergency ladder assembly comprises:
- a cover plate configured to be removably attached to the side surface and cover the storage opening;
- and
- an emergency ladder removably stored on the cover plate, wherein the emergency ladder is housed within the storage cavity in a stowed state.
An elevator car comprising:
- a front wall panel defining an opening for an elevator car door;
- an elevator car door arranged to open and close within the opening;
- a storage cavity defined within a portion of the elevator car door and located behind a cab facing surface thereof, wherein the storage cavity is defined by the cab facing surface of the elevator car door and a side surface of the elevator car door, wherein the side surface defines a part of the opening when the elevator car door is in an open state;
- and
- an emergency ladder assembly configured to be removably installed into the storage cavity,
- wherein a storage opening is defined on the side surface of the respective front wall panel or elevator car door, and
- wherein the emergency ladder assembly comprises:
- a cover plate configured to be removably attached to the side surface and cover the storage opening;
- and
- an emergency ladder removably stored on the cover plate, wherein the emergency ladder is housed within the storage cavity in a stowed state,
- wherein the elevator car door is configured as a side opening elevator car door comprising at least two door panels and the storage cavity is defined within one panel of the at least two door panels.
Dependencies are inferred from the claim text.