DOOR DRIVE SYSTEM Russian patent published in 2024 - IPC E05F15/67 E05F15/684 

FIELD: construction.

SUBSTANCE: invention relates to drive system of lifting doors for opening and closing of opening. Technical result is achieved by the fact that the lifting door drive system for opening and closing the opening comprises a door frame comprising a first frame section on a first side of the opening and a second frame section on a second side of the opening; a door movable between an open and a closed position, wherein the door is movably connected to the door frame; drive unit installed on the door, wherein the drive unit comprises at least one motor configured to move the door from the closed position to the open position, and an elongated transmission member extending along the first side of the opening and the first section of the frame, wherein the drive unit further comprises a driven transmission element in a drive connection with the motor, wherein the driven transmission element is movably connected to the elongated transmission element and is configured to interact with said elongated transmission element for driving the driven transmission element along said elongated transmission element by means of the elongated transmission element at least partially wrapped around the driven transmission element, at least one guide element mounted on the door, configured to interact with the elongated transmission element for guiding the door along the elongated transmission element by means of the elongated transmission element, at least partially wrapped around at least one guide element, wherein the door comprises a plurality of horizontal and interconnected sections, wherein the lifting door drive system further comprises a first set of guide rollers mounted on the door configured to interact with the first section of the frame, and a second set of guide rollers configured to interact with the second section of the frame, wherein guide elements are arranged coaxially with guide rollers, at least one of said rollers being arranged nearby lower horizontal end section of the lowest section.

EFFECT: technical result is reduced complexity of lifting door drive system.

22 cl, 9 dwg