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:
Mar. 08, 1977
Filed:
Jun. 18, 1975
Applicant:
Inventors:
Josef Theurer, Vienna, OE;
Karl Folser, Linz-Urfahr, OE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01B / ;
U.S. Cl.
CPC ...
104 / ; 37104 ;
Abstract
A mobile ballast cleaning machine which comprises a ballast excavating bucket chain and a ballast cleaning screen has a ballast leveling apparatus mounted behind the bucket chain to level cleaned ballast returned to the track bed from the screen. This ballast leveling apparatus consists of an arrangement of bars extending transversely of the track over the entire length of the track ties. The arrangement includes a plurality of transversely arranged rods having adjacent, pivotally joined ends attached to the bucket chain by guide rods or ropes which permit free movement of the leveling rods.