Method and apparatus for removing railroad ties

Details Method and apparatus for removing railroad ties Method and apparatus for removing railroad ties

1975-01-20

1976-04-06

Spar, Robert J.

Railways

Track layers

Tie replacer

105 28, 254 43, E01B 2906

Patent

active

039481859

ABSTRACT:
Method for undercutting a railroad tie resting in a ballast bed and supporting track rails consisting of moving a probe through the ballast beneath the tie while continuously vibrating the probe so that forces are transmitted from the probe to the ballast to agitate the ballast adjacent to the bottom and side faces of the tie to remove ballast from beneath the tie to form a trench substantially coincident with the bottom of the tie and to loosen ballast immediately adjacent the side faces of the tie and apparatus for carrying out the method.

REFERENCES:
patent: 1337914 (1920-04-01), Hyden
patent: 2382096 (1945-08-01), Pierce
patent: 2899759 (1959-08-01), Campbell
patent: 3436848 (1969-04-01), Peppin et al.
patent: 3457660 (1969-07-01), Speno
patent: 3496883 (1970-02-01), Bodine
patent: 3537400 (1970-11-01), Taylor
patent: 3780664 (1973-12-01), Holley et al.

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