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. 09, 1997
Filed:
Apr. 09, 1996
Applicant:
Inventors:
Josef Theurer, Vienna, AT;
Herbert Worgotter, Gallneukirchen, AT;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
37104 ; 37453 ; 37465 ; 171 16 ;
Abstract
An excavating and conveying chain assembly for transporting ballast of a track includes a plurality of chain links hingedly connected to each other for traveling along a transport path. Connected to each chain link is a scraper blade which has a link-distal end formed with a plurality of projecting scraper fingers. Each scraper finger is of two-part configuration, with a first part being formed by an engagement member secured to the scraper blade and jutting out therefrom in a finger-like manner, and with a second part being formed by a protective cap that is pushed onto the engagement member and detachably secured thereto by a fastener.