| 摘要 |
<p>A drive unit for doors, especially doors having a non-rectilinear profile formed by wings (26, 26', 24, 24', 124, 126) comprises a motor (10) whose rotary shaft (20) engages with at least a bar or section (12, 14) connected to at least one of said wings. <??>Said drive unit is located either on the roof or the external front of the lower basis or between the wings of an elevator car of story doors. <??>In case of telescopic movement superposed wings, one of the wing is moved by the drive unit, and a transmission unit (100) transmits the rotation of a wing (124) to the other one (126). <IMAGE></p> |
