SLIDING DOOR OF ELEVATOR Russian patent published in 2017 - IPC B66B13/08 

FIELD: transportation.

SUBSTANCE: sliding door of an elevator comprises folds placed on guides in parallel to each other and joined with a motion mechanism. At least one part of the motion mechanism is made in the form of two worms with crossing mutually perpendicular axes and the first worm wheel (13), which is rigidly fixed on the axis of the first worm (12) or made as a whole with it. The worm (12) interacts with the second worm wheel (11), kinematically connected to the second fold, at the same time the first worm wheel (13) is coupled with the second worm (14), the axis of which is combined with the axis of rotation of the third worm wheel (3). The other part of the motion mechanism is formed by a worm gear, which includes the third worm wheel (3) and a coupled third worm (5), the first fold is kinematicaly joined with the third worm wheel (3).

EFFECT: simplified design and improved operating characteristics.

6 cl, 8 dwg