US 11,939,805 B2
Door drive for a motor vehicle door or motor vehicle flap
Thorsten Bendel, Oberhausen (DE); Michael Berres, Cologne (DE); Bernhard Drost, Isselburg (DE); and Christian Sturm, Krefeld (DE)
Assigned to Kiekert AG, Heiligenhaus (DE)
Appl. No. 17/785,945
Filed by Kiekert AG, Heiligenhaus (DE)
PCT Filed Dec. 15, 2020, PCT No. PCT/DE2020/101064
§ 371(c)(1), (2) Date Jun. 16, 2022,
PCT Pub. No. WO2021/121479, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 10 2019 134 976.1 (DE), filed on Dec. 18, 2019.
Prior Publication US 2023/0013256 A1, Jan. 19, 2023
Int. Cl. E05F 15/614 (2015.01)
CPC E05F 15/614 (2015.01) [E05Y 2201/434 (2013.01); E05Y 2201/716 (2013.01); E05Y 2201/722 (2013.01); E05Y 2900/531 (2013.01); E05Y 2900/546 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A door drive for a motor vehicle door or motor vehicle flap, the door drive comprising:
an electromotive drive,
a transmission downstream of the electromotive drive,
a force-transmission element which is operatively connected to a leaf of the motor vehicle door or motor vehicle flap,
wherein an output element of the transmission and the force-transmission element are coupled by a toothing with compensation for play, and wherein at least one of the output element and the force-transmission element is moveable for the compensation for play and also is permanently fixed after moving for the compensation for play, and
a control member that provides for the movement of the at least one of the output element and the force-transmission element for the compensation for play, wherein the control member is arranged inside at least one of the output element and the force-transmission element.