Excavating and conveying chain assembly with two-part scraper fingers
AssigneeFranz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H.
InventorsJosef Theurer, Herbert Worgotter
Life of this patent
Estimating the term…
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.
Claims18
An excavating and conveying chain assembly for transporting ballast of a track, comprising a plurality of chain links hingedly connected to each other for traveling along a transport path, each of said chain links including a shovel-type scraper blade having a link-distal end formed with a plurality of projecting scraper fingers, each scraper finger being of two-part configuration, with a first part being formed by an engagement member secured to the scraper blade and jutting out 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, wherein each chain link is provided with a shovel-type blade element projecting in finger-like manner between neighboring scraper fingers beyond the link-distant end of the scraper blade.
An earthworking scraper for loosening and transporting ballast of a track bed along a transport path, comprising:
- a plurality of chain links hingedly connected to each other to form an endless chain track;
- a scraper blade secured to every other one of the chain links;
- and
- a plurality of scraper fingers projecting from the scraper blade, each of the scraper fingers including an engagement member secured to and projecting from the scraper blade, a protective cap that is pushed onto the engagement member, and a fastener for detachably securing the protective cap to the engagement member, wherein each chain link is provided with a shovel-type blade element projecting in finger-like manner between neighboring scraper fingers beyond the scraper blade.
Dependencies are inferred from the claim text.