Elevator car door coupling systems
US11286134B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 6, 2019 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | May 29, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Elevator car door systems are provided. The systems include an elevator car having a car door and a movable car door coupling attached to the car and arranged to control operation of the car door. A mounting bracket is attached to the car, a first blade is attached to the mounting bracket, a second blade is attached to the mounting bracket, and a deterrent is attached to the mounting bracket. The first and second blades are operable a landing door coupling to operate the car door. A portion of the movable car door coupling is arranged to contact a ceiling of an elevator shaft during an overrun event when and move a part of the movable car door coupling relative to the car, and when the portion is not in contact with the ceiling, a biasing element urges the portion toward a normal position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.