Elevator door bypass device
US11370638B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2016 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Oct 29, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/22
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator door bypass apparatus, configured to bypass a landing door or a car door at a time of an inspection of an elevator, includes: a door mode selector switch configured to switch a door mode between a normal operation and a bypass operation; a bypass target selector switch configured to switch between bypassing of the landing door and bypassing of the car door; and a bypass relay configured to, in a case that the door mode has been switched to the bypass operation by the door mode selector switch, bypass the landing door when the bypassing of the landing door has been selected by the bypass target selector switch, and bypass the car door when the bypassing of the car door has been selected by the bypass target selector switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.