Guiding devices for elevator systems having roller guides and motion sensors
US10494228B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2017 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Apr 23, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B11/0293
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Elevator car guiding devices including a roller guide frame including a mounting base to be mounted to an elevator car, a first roller supported on the mounting base, the first roller having a first roller wheel configured to engage with and rotate along a guide rail and prevent movement of the elevator car in a first direction, a second roller supported on the mounting base, the at least one second roller having a second roller wheel configured to engage with and rotate along the guide rail and prevent movement of the elevator car in a second direction, and a motion state sensing assembly mounted to the roller guide frame and configured to measure a motion state of the elevator car within an elevator shaft of the elevator system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.