Scrub crusher

Details Scrub crusher Scrub crusher

1979-11-09

1983-06-28

Johnson, Richard J.

Excavating

Peat excavators

172540, 172 23, 404127, 56503, 242 867, 254297, 254282, 254310, A01D 4900

Patent

active

043897991

ABSTRACT:
A dual winch for mounting on a tractor comprises a pair of winch drums separately connected via a clutch to a common drive shaft. Each winch drum typically incorporates a planetary gear unit. The cables on the winches are connected to a roller preferably provided with double chevron blades.

REFERENCES:
patent: 68310 (1867-08-01), Paine
patent: 2008612 (1935-07-01), Heath
patent: 2344795 (1944-03-01), Weber
patent: 2359778 (1944-10-01), Mork
patent: 2686997 (1954-08-01), Denton
patent: 2825983 (1958-03-01), Finn
patent: 2870850 (1959-01-01), Dethlefsen
patent: 2946564 (1960-07-01), Cunningham
patent: 3242835 (1966-03-01), Paramythioti
patent: 4193457 (1980-03-01), Sphar
patent: 4339908 (1982-07-01), Johnson

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