The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 2025
Filed:
May. 25, 2022
Robel Bahnbaumaschinen Gmbh, Freilassing, DE;
Florian Muehlbacher, Waging, DE;
ROBEL Bahnbaumaschinen GmbH, Freilassing, DE;
Abstract
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 handle is arranged above the machine center of gravity of the hand-held tamping machine by at least 30% of the overall height of the hand-held tamping machine and/or is arranged above the motor center of gravity of the motor by at least 15% of the overall height of the hand-held tamping machine.