Excavating – Peat excavators
Patent
1976-03-29
1977-11-22
Eickholt, E. H.
Excavating
Peat excavators
172738, 172753, 172387, 172780, 172764, 280 26, E01H 506, A01B 1510
Patent
active
040589137
ABSTRACT:
A light weight trail groomer is supported at its rear end on each side by a pair of longitudinally aligned skis connected to respective arms of a bracket pivotally mounted on a main frame element. The frame structure is arranged for connection at its forward end to a towing vehicle and includes a scraper blade structure the height of which can be adjusted by independent adjuster means connected between an auxiliary frame structure and each one of the main frame elements.
REFERENCES:
patent: 379394 (1888-03-01), Hennessy
patent: 406028 (1889-07-01), Cresap
patent: 542252 (1895-07-01), Gorder
patent: 1990672 (1935-02-01), Schwuelle et al.
patent: 2222386 (1940-11-01), Welch
patent: 2722067 (1955-11-01), Baron
patent: 2786283 (1957-03-01), Bradley
patent: 3030123 (1962-04-01), Dworak
patent: 3739859 (1973-06-01), White
patent: 3815688 (1974-06-01), Brown
patent: 3872931 (1975-03-01), Camp
Bombardier Limited
Eickholt E. H.
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