US Patent Issued to ROBEL Bahnbaumaschinen on Dec. 2 for "Hand-held tamping machine for compacting track ballast" (German Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,622, issued on Dec. 2, was assigned to ROBEL Bahnbaumaschinen GmbH (Freilassing, Germany).

"Hand-held tamping machine for compacting track ballast" was invented by Florian Muehlbacher (Waging, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hand-held tamping machine for compacting track ballast has a tamping pick for penetrating the track ballast, a vibration generator for vibration excitation of the tamping pick, a motor connected with the vibration generator via a drive shaft, and a handle assembly with at least one handle for steering the hand-held tamping machine during operation. Along a shaft axis of the drive shaft the at least one ha...