LIFT CABIN SLIDING DOORS Russian patent published in 1997 - IPC

FIELD: lifts and other equipment furnished with sliding doors. SUBSTANCE: sliding door has wings 1 and 2 whose carriages are installed on parallel lines. Wing 1 has stops, and wing 2, stop-shock absorber located between stops of wing 1. Door drive includes electric motor 9 with screw pair. Screw 10 of pair is installed on bearings 11 secured on flexible supports 12 with shock absorbers 25. With door in extreme left position (door-open) and in cases when reversing is required, nut 14 coupled with wing 1 stops, and upper part of support 12, flexibly deforming, moves together with screw 10 for engagement with limit switches 19, 20, or 42. EFFECT: enlarged capabilities. 7 dwg