Door drive and lock for a mass transit vehicle
US6094867A · kind A · utility
17Cited by
4References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1999 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Apr 23, 2019 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/51
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A power door operator for mounting overhead of a door opening in a mass transit vehicle for moving a door panel over and away from the door opening, including a base plate incorporating a rotary helical drive internal of a door hanger. The door panel is locked in a closed position by primary and secondary means preventing drive rotation and panel movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.