US 12,006,743 B2
Door lock, in particular motor vehicle door lock
Ömer Inan, Dorsten (DE); Holger Schiffer, Meerbusch (DE); Michael Scholz, Essen (DE); Peter Szegeny, Engelskirchen (DE); and Thomas Schönenberg, Burscheid (DE)
Assigned to Kiekert AG, Heiligenhaus (DE)
Appl. No. 17/438,974
Filed by Kiekert AG, Heiligenhaus (DE)
PCT Filed Mar. 6, 2020, PCT No. PCT/DE2020/100152
§ 371(c)(1), (2) Date Sep. 14, 2021,
PCT Pub. No. WO2020/187358, PCT Pub. Date Sep. 24, 2020.
Claims priority of application No. 10 2019 107 229.8 (DE), filed on Mar. 21, 2019.
Prior Publication US 2022/0127883 A1, Apr. 28, 2022
Int. Cl. E05B 85/26 (2014.01); E05B 77/02 (2014.01); E05B 79/08 (2014.01); E05B 85/24 (2014.01); F16C 11/04 (2006.01)
CPC E05B 85/26 (2013.01) [E05B 77/02 (2013.01); E05B 79/08 (2013.01); E05B 85/243 (2013.01); F16C 11/04 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A door lock for a motor vehicle door, the door lock comprising:
a locking mechanism including a rotary latch and a pawl, wherein each of the rotary latch and the pawl is rotatably supported on a base about a respective axis; and
a fixed support body having a resistance radius from a center of gravity of the support body to a periphery of the support body associated with a modulus of resistance and a bearing trough formed in the periphery, wherein the pawl has a bearing surface with a bearing radius, wherein the pawl engages the bearing trough via the bearing surface, and wherein the resistance radius is larger than the bearing radius,
wherein at least one guide surface is provided,
wherein the at least one guide surface is provided on a casing of the pawl, and wherein the at least one guide surface is configured to engage at least one corresponding mating guide surface to ensure that the bearing surface remains in contact with the bearing trough.