US 12,226,998 B2
Doctoring unit for a printing apparatus
Torsten Vegelahn, Sternenfels (DE)
Assigned to EKRA AUTOMATISIERUNGSSYSTEME GMBH, Bönnigheim (DE)
Appl. No. 18/254,000
Filed by EKRA AUTOMATISIERUNGSSYSTEME GMBH, Bönnigheim (DE)
PCT Filed Dec. 2, 2021, PCT No. PCT/EP2021/083995
§ 371(c)(1), (2) Date May 23, 2023,
PCT Pub. No. WO2022/122551, PCT Pub. Date Jun. 16, 2022.
Claims priority of application No. 10 2020 215 577.1 (DE), filed on Dec. 9, 2020.
Prior Publication US 2024/0001666 A1, Jan. 4, 2024
Int. Cl. B41F 15/46 (2006.01); B41F 15/08 (2006.01); H05K 3/12 (2006.01)
CPC B41F 15/46 (2013.01) [B41F 15/0818 (2013.01); H05K 3/1233 (2013.01); B41P 2215/50 (2013.01); H05K 2203/0139 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A doctoring unit for a printing apparatus for printing flat substrates, comprising two doctor blades, which extend parallel to one another and are pivotably mounted, wherein the doctor blades are operatively connected to a gearing and by means of the gearing, which is formed in a self-locking manner as worm gearing and can be coupled or is coupled to a drive device, wherein the gearing has a drive shaft, which, on the one hand, is coupled to a worm shaft and which, on the other hand, has a coupling end, which is formed for releasably coupling the drive shaft to the drive device.