SLIDING DOOR DRIVE MECHANISM Russian patent published in 2020 - IPC B60J5/06 E05F1/02 

FIELD: doors.

SUBSTANCE: invention relates to sliding doors of vehicles. Sliding door drive mechanism with frame, at least one door flap with handle, fixed on carriage movable in guide for door leaf movement, fixed above door, comprises: master with variable-height working surface profile fixed on guide, lever, first end of which is hinged to carriage edge, and second end has roller interacting with working surface of master, elastic link, one end of which is hingedly fixed on other edge of carriage, and second end has hinged connection with lever. Lever is two-arm, wherein first end of second arm is rigidly connected at acute angle to first lever arm having roller interacting with working surface of master, and second end of second arm is pivotally connected to second end of resilient link. Ratio of height of profile at any point of contact of profile roller from working surface of master plate to amount of stroke of door at opening and closing of door is selected subject to the condition: Δh_i/l_i>ƒ^red_fr, where Δh _i is the height of the working surface of the master plate at the i-th point of contact of the roller during movement (opening and closing of the door leaf); l_i is the stroke of the leaf (and the roller on the master) from the beginning of the door opening; ƒ^red_fr – reduced coefficient of friction in movable elements of drive mechanism and folding door of sliding door in its guides, at that angle between arms of double-arm lever exceeds reduced angle of friction α>arctgƒ^red_fr, and distance between axes of hinges of second arm is more than maximum height of profile of working surface of master plate.

EFFECT: higher reliability of operation in manual and automatic modes.

7 cl, 6 dwg