Elevator car apron
US11235952B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2019 |
| Grant date | Feb 1, 2022 |
| Priority date | — |
| Expiry date | Feb 24, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Elevator systems are provided. The elevator systems include an elevator car movable along an elevator shaft having a pit floor and a shaft top, the elevator car having a car door lock arranged to enable opening of doors by a landing door lock mechanism when the elevator car is located at a landing and an elevator safety system. The elevator safety system includes a car door lock securing device arranged to prevent manual opening of the elevator car doors when in a first state and permits opening of the elevator car doors when in a second state and a car apron affixed to the car door sill and operable from a stowed state to a deployed state, wherein when the car apron transitions from the stowed state to the deployed state, the car door lock securing device is transitioned from the first state to the second state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.