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:
Aug. 31, 2021
Filed:
Sep. 07, 2017
Applicant:
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M.b.h., Vienna, AT;
Inventor:
Heinz Springer, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B 27/16 (2006.01);
U.S. Cl.
CPC ...
E01B 27/16 (2013.01);
Abstract
The invention relates to a tamping unit () for tamping sleepers () of a track (), having a tool carrier () mounted on an assembly frame () for vertical adjustment by means of a drive (), having pairs of two oppositely positioned tamping tools () which are squeezable towards one another about a respective pivot axis () as well as designed to be set in vibrations by a vibration drive (). In this, it is provided that a vibration drive () is associated with the drive (), the vibration drive setting the tamping tools in a vibration which is effective vertically.