Railway platform door device
US8464470B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2010 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Feb 19, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B11/045
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Provided is a platform door device which makes it possible to reduce the length of time for a replacement operation when a panel-shaped portion of a door is damaged. The platform door device comprises a door, and a driving mechanism for moving the door forwardly and backwardly to close and open a gate on a platform. The driving mechanism includes a motor, a rotation body adapted to be rotated by the motor, and a driven body adapted to be driven according to the rotation of the rotation body so as to move the door, and the door has a panel-shaped main body, and a base segment detachably joined to the main body and attached to the driven body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.