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:
Jan. 20, 1981
Filed:
Nov. 17, 1978
Applicant:
Inventors:
Josef Theurer, Vienna, AT;
Karl Folser, Linz-Urfahr, AT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B / ;
U.S. Cl.
CPC ...
171 16 ;
Abstract
A mobile ballast cleaning machine comprises a ballast excavating chain, a screening apparatus including a series of screens arranged to receive the excavated ballast and to clean it, a storage receptacle for the cleaned ballast, the storage receptacle having ballast outlets, and hinged covers over the outlets for selectively closing the same by means of jacks, and a ballast conveyor arrangement for controllably redistributing the cleaned ballast to the ballast bed, the ballast redistributing conveyor arrangement being arranged to receive the cleaned ballast from the outlets upon adjustment of the hinged covers.