US 12,329,873 B2
Door handle device for a vehicle door
Asmir Salkic, Ulm (DE)
Assigned to MERCEDES-BENZ GROUP AG, Stuttgart (DE)
Appl. No. 18/286,570
Filed by MERCEDES-BENZ GROUP AG, Stuttgart (DE)
PCT Filed Mar. 31, 2022, PCT No. PCT/EP2022/058562
§ 371(c)(1), (2) Date Oct. 12, 2023,
PCT Pub. No. WO2022/218718, PCT Pub. Date Oct. 20, 2022.
Claims priority of application No. 10 2021 001 929.6 (DE), filed on Apr. 13, 2021.
Prior Publication US 2024/0189473 A1, Jun. 13, 2024
Int. Cl. A61L 2/26 (2006.01); A61L 2/10 (2006.01); A61L 2/20 (2006.01); E05B 85/10 (2014.01)
CPC A61L 2/26 (2013.01) [A61L 2/10 (2013.01); A61L 2/202 (2013.01); E05B 85/107 (2013.01); A61L 2202/11 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A door handle device for a vehicle door of a motor vehicle, the door handle device comprising:
a handle part adjustable at least between a retracted non-use position and an extended use position;
a cleaning device that emits UV-C light and is a component of the handle part, wherein the cleaning device is configured such that the cleaning device loads the handle part in the retracted non-use position with UV-C light and cleans the handle part using the UV-C light;
a door handle housing into which the handle part is at least partially retracted in the retracted non-use position, wherein in the retracted non-use position, the handle part is tightly connected to the door handle housing and tightly encloses from an outside an interior space in which the handle part is arranged;
a container of oxygen via which oxygen is suppliable to the interior space; and
a backflow space connected to the interior space on an input side and to the container on an output side, via which oxygen or ozone flows back from the interior space via the backflow space into the container.