Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1979-09-24
1981-06-23
Eickholt, E. H.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
37 41, 414723, 414912, 172817, E02F 376
Patent
active
042742137
ABSTRACT:
A scraper or dozer blade mounting for earth and snow moving equipment of the type having a pair of forwardly projecting parallel boom arms and a pair of hydraulic cylinders to control positioning of a bucket or blade carried by the boom arm. The mounting consists of a cross-member adapted to be secured to the forward ends of the boom arms, and a scraper blade centrally pivoted to the cross-member. Articulated link arms extend from each hydraulic cylinder and are pivotally secured to the blade on opposite sides of the central pivot, and means for actuating the hydraulic cylinders in reverse orders thereby enabling control of the inclination of the blade with respect to the path of travel of the machine. Such a mounting assembly enables known earth and snow moving equipment to be converted to highly maneuverable earth and snow plowing equipment.
REFERENCES:
patent: 2684163 (1954-07-01), Boulton
patent: 2812595 (1957-11-01), Drott
patent: 2835396 (1958-05-01), Pilch
patent: 3001654 (1961-09-01), Albert
patent: 3559313 (1971-02-01), Firestone
patent: 3776318 (1973-12-01), Layton
patent: 4076080 (1978-02-01), Anderson
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