US 12,440,873 B2
Cleaning device for a headlight, in particular a vehicle headlight
Christian Jackl, Wieselburg (AT); Georg Pitterle, Texing (AT); and Thomas Reiter, Ferschnitz (AT)
Assigned to ZKW Group GmbH, Wieselburg (AT)
Appl. No. 17/914,470
Filed by ZKW Group GmbH, Wieselburg (AT)
PCT Filed Feb. 22, 2021, PCT No. PCT/EP2021/054303
§ 371(c)(1), (2) Date Sep. 26, 2022,
PCT Pub. No. WO2021/190845, PCT Pub. Date Sep. 30, 2021.
Claims priority of application No. 20165956 (EP), filed on Mar. 26, 2020.
Prior Publication US 2023/0124469 A1, Apr. 20, 2023
Int. Cl. B08B 7/02 (2006.01); B60S 1/56 (2006.01); G02B 27/00 (2006.01); B06B 1/06 (2006.01); B60Q 1/04 (2006.01)
CPC B08B 7/028 (2013.01) [B60S 1/56 (2013.01); G02B 27/0006 (2013.01); B06B 1/06 (2013.01); B60Q 1/04 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A device (10) for cleaning at least one cover glass (2) of a vehicle headlamp (1) comprising:
at least one vibration element (11) fastened to the least one cover glass (2), wherein the least one vibration element (11) can be activated by a control device (30), wherein the at least one cover glass (2) comprises on its outer side (3) a hydrophobic and dirt-repelling coating (20),
wherein the at least one vibration element (11) is coupled with a counterweight (15) fastened to the least one cover glass (2), and
wherein the at least one vibration element (11) and the counterweight (15 coupled with the vibration element (11) are each integrated into the at least one cover glass (2).