Ballast cleaning and levelling machine

Details Ballast cleaning and levelling machine Ballast cleaning and levelling machine

1977-06-06

1979-01-09

Makay, Albert J.

Unearthing plants or buried objects

Railroad ballast removal and assorting or separating

37107, 104 7B, 2411017, E01B 2706

Patent

active

041333888

ABSTRACT:
The present invention relates to ballast cleaning and leveling machines which ensure in succession the extraction of the old ballast, the screening of said ballast for separating the good re-usable ballast from the earth, the fine and the coarse parts, and the redepositing of the good ballast.
The improvement consists in adding between the excavator and the screening assembly a coarse crushing device acting on the old ballast removed by the excavator.
The improved machine breaks apart the pebbles of the agglomerated blocks of the ballast so as to separate the re-usable ballast from the earth, fine and coarse parts to be rejected.

REFERENCES:
patent: 1034552 (1912-08-01), Williams
patent: 1728976 (1929-09-01), Nobis
patent: 2775438 (1956-12-01), Bach et al.
patent: 3329350 (1967-07-01), Wisgerhof et al.
patent: 3670972 (1972-06-01), Quinn

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