Deterrent device inhibition key

Patent metadata

Field	Value
Publication number	US-10703608-B2
Application number	US-201515742143-A
Country	US
Kind code	B2
Filing date	Jul 13, 2015
Priority date	Jul 13, 2015
Publication date	Jul 7, 2020
Grant date	Jul 7, 2020

Abstract

An elevator system is provided, the system includes an elevator car ( 100, 200, 300 ) having at least one elevator car door ( 202 ), a deterrent system configured to prevent the at least one elevator car door ( 202 ) from opening when the elevator car ( 100, 200, 300 ) is not in an unlocking zone ( 218, 318 ), and a disabling system configured to disable the deterrent system such that the at least one elevator car door ( 202 ) may be opened outside of the unlocking zone ( 218, 318 ).

First claim

What is claimed is:

1. An elevator system comprising:
an elevator car having at least one elevator car door configured to be openable when proximate a landing door and within an unlocking zone such that the at least one elevator car door and the landing door are configured to be opened together;
a deterrent system configured to prevent the at least one elevator car door from opening when the elevator car is not in the unlocking zone;
a disabling system configured to disable the deterrent system such that the at least one elevator car door may be opened when the elevator car is not in the unlocking zone; and
an elevator controller configured in communication with the deterrent system and the disabling system, wherein the disabling system is configured to communicate to the controller that the deterrent system is to be disabled and the controller then disabled the deterrent system.

2. The system of claim 1 , further comprising at least one sensor configured determine the position of the elevator car within an elevator shaft.

3. The system of claim 2 , wherein the disabling system is one of mechanical and electronic.

4. The system of claim 1 , wherein the disabling system is one of mechanical and electronic.

Assignees

• Otis Elevator Co

Inventors

• Taudou Christophe
• Fonteneau Nicolas
• Schach Clement
• Chopineau Thierry
• Picard Raphael
• Degardin Patrice
• Renard Alexandre

Classifications

• B66B5/0087 Primary

  Devices facilitating maintenance, repair or inspection tasks (devices incorporated in the buffer B66B5/288; railings on top of the car B66B11/0226) · CPC title

• B66B13/16

  Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position · CPC title