Scraper vehicle

Details Scraper vehicle Scraper vehicle

1976-09-27

1977-12-13

Eickholt, E. H.

Excavating

Snow or ice removing or grooming by portable device

Railway clearer

214 82, E02F 500

Patent

active

040621367

ABSTRACT:
A scraper vehicle includes a body having a longitudinally shiftable apron therein for pushing a load of material from the scraper body. The apron is shifted in a fore-and-aft direction by a pair of hydraulic rams. A retractable and extensible power assist mechanism is connected to the apron and is in a retracted energy storing condition when the apron is in a rearward position. The release of stored energy in the power assist mechanism assists in shifting the apron in a forward or unloading direction.

REFERENCES:
patent: 1908899 (1933-05-01), Kayel
patent: 2353120 (1944-07-01), Austin
patent: 2934226 (1960-04-01), Dempster et al.
patent: 3137400 (1964-06-01), Tapp et al.
patent: 3688944 (1972-09-01), Gagel
patent: 3952432 (1976-04-01), Boersma

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