|
(11) | EP 1 086 923 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
|
|
|
|
|||||||||||||||||||||||
| (54) | Device for opening and closing lift door shutters |
| (57) A device for opening and closing lift door shutters is disclosed, comprising support
means operatively associated to the car door shutters (20), means for locking and
unlocking the latch and coupling the floor door shutters, motion means operatively
connected to said support means and to at least one belt (4) and chain, where said
belt (4) and chain drive directly mechanical means operatively associated to said
means for locking and unlocking the latch end coupling the floor door shutters so
as to allow the simultaneous opening and closing movement of the car shutters and
of the floor shutters. |