| 摘要 |
FIELD: transport. ^ SUBSTANCE: proposed device incorporating drive comprises: runner to lift window flap, runner driving plate and motor assembly to move vertically said plate. Motors assembly comprises: slider locked with aforesaid driving plate, ballpoint screw engaged with said slider by thread to drive the latter, and motor to rotate ballpoint screw. Invention covers also window drive control unit. ^ EFFECT: ease of lifting and opening, ruling out excess motor load, higher reliability. ^ 10 cl, 10 dwg |
