US 12,227,903 B2
Sweeping device for working on a track system
Guenther Buchberger, Bad Hall (AT)
Assigned to Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H., Vienna (AT)
Appl. No. 17/790,235
Filed by PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GESELLSCHAFT M.B.H., Vienna (AT)
PCT Filed Dec. 17, 2020, PCT No. PCT/EP2020/086635
§ 371(c)(1), (2) Date Jun. 30, 2022,
PCT Pub. No. WO2021/136672, PCT Pub. Date Jul. 8, 2021.
Claims priority of application No. A 410/2019 (AT), filed on Dec. 30, 2019.
Prior Publication US 2023/0031915 A1, Feb. 2, 2023
Int. Cl. E01H 1/04 (2006.01); E01B 27/02 (2006.01); A47L 11/24 (2006.01); E01H 1/08 (2006.01)
CPC E01B 27/026 (2013.01) [E01B 27/025 (2013.01); E01H 1/04 (2013.01); A47L 11/24 (2013.01); E01H 1/08 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A sweeping device for working on a track formed of rails and sleepers, the sweeping device comprising:
a brush shaft having a plurality of shaft portions each configured as a hollow shaft;
resilient sweeping elements protruding radially from said brush shaft;
at least one adjustable vertical drive for attaching the sweeping device to a vehicle that can travel on the rails;
a frame supporting said brush shaft, said at least one adjustable vertical drive is connected to said frame;
a control shaft having control elements, at least one shaft portion of said shaft portions being adjustable about one axis of rotation via said control shaft by said control elements acting externally on said shaft portion.