Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1976-04-09
1977-03-01
Eickholt, E. H.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
37129, E02F 375
Patent
active
040095304
ABSTRACT:
An earthmoving scraper having a tractor-drawn bowl with a pivotal apron thereon, and a lift linkage assembly comprising a pair of articulately connected links, one link being articulately connected to the sidewall of the bowl and the other link being articulately connected to the center of the front side of the apron, and a hydraulic jack connected between the articulately connected links and the bowl sidewall.
REFERENCES:
patent: 2573720 (1951-11-01), Lichtenberg
patent: 3739506 (1973-06-01), Klett et al.
Caterpillar Tractor Co.
Eickholt E. H.
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