Locking system for trap or panels of an elevator car and method of controlling access to an elevator shaft from inside the car
US10252887B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2015 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Apr 7, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B11/0246
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A locking system for an elevator car includes a moveable panel of the elevator car moveable between an open position and a closed position, wherein the open position provides access to a region external to the elevator car. Also included is a plate operatively coupled to an exterior surface of the moveable panel. Further included is a magnetic locking member operatively coupled to an exterior surface of a fixed panel of the elevator car in communication with an electrical member, wherein the plate exerts magnetic forces with the magnetic locking member, the magnetic locking member magnetically coupled to the plate in a first electrical condition of the electrical member to maintain the moveable panel in the closed position and decoupled from the plate in a second electrical condition of the electrical member to allow the moveable panel to be moved to the open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.