Elevator car installation including car roof safety latch
US11267678B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2020 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Apr 1, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B11/0206
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method of assembling an elevator car within an elevator hoistway, including installing a car frame onto the elevator hoistway, attaching a car base to the car frame, the car base forming a floor of the elevator car, setting spacers on a top surface of the car base, placing a car roof onto the spacers, the car roof including a first bracket and a second bracket, each bracket including a safety latch assembly, lifting the car roof until to a top position where each safety latch assembly engages a respective top surface of the car frame to fix the car roof to the car frame, the installing wall panels to the car base and to the car roof. As the car roof is lifted, the safety latches travel along a car frame structural vertical member and are maintained in a tensioned state by springs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.