Elevator access systems for elevators
US11124385B2 · kind B2 · utility
0Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2018 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Jan 21, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Elevator access systems and methods including a key extension having a first portion arranged to engage with a key and a second portion and an access mechanism. The access mechanism includes an extension engagement element arranged to receive and fixedly engage with the second portion of the key extension and an opening element operably connected to the extension engagement element such that operation of the extension engagement element causes operation of the opening element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.