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, 2004
Filed:
Nov. 12, 2002
Josef Theurer, Vienna, AU;
Herbert Wörgötter, Gallneukirchen, AU;
Abstract
A track rehabilitation machine comprises an elongated machine frame supported on the track by undercarriages for movement in an operating direction, the machine frame having two ends. Mounted on the machine frame are a vertically adjustable endless ballast excavating chain for excavating dirty ballast whereon the track is supported, a first conveyor band unit for conveying the excavated dirty ballast from the ballast excavating chain to a ballast transfer station at one machine frame end, a second conveyor band unit for conveying clean ballast from a ballast receiving station at the one machine end to a ballast discharge station arranged rearwardly of the ballast excavating chain, a further ballast transfer station and a further ballast receiving station at the other machine frame end, and further conveyor band units cooperating with the further ballast transfer and receiving stations for respectively conveying ballast to and from a ballast screening car selectively coupled to a respective one of the machine frame ends.