Ditcher

Details Ditcher Ditcher

1975-04-03

1977-01-11

Shapiro, Paul E.

Earth working

With drive means for tool or cleaner

Irregular or off-center ground-engaging wheel or support

172763, A01B 3532

Patent

active

040022064

ABSTRACT:
An earthworking implement mounted on a three-point hitch of a draft vehicle with a hitch assembly. The hitch assembly has L-shaped members mounted in clamps secured to a main transverse beam. A plurality of parallel linkages movably connect a transverse tool bar to the beam. Row guide units having resilient rubber wheels and furrowing tools are mounted with clamps to the tool bar. Earthworking tools are mounted with clamps to the tool bar. In one form, the earthworking tool is a blade sequentially moved into and out of the soil with a lifting wheel to dig water-holding basins or trenches in the soil.

REFERENCES:
patent: 951876 (1910-03-01), Arthur
patent: 2021343 (1935-11-01), Wetzel
patent: 2197429 (1940-04-01), Graham et al.
patent: 2246617 (1941-06-01), Christiansen
patent: 2293173 (1942-08-01), Rohlfs
patent: 2318562 (1943-05-01), Silver et al.
patent: 2362728 (1944-11-01), Smith
patent: 2837989 (1958-06-01), Gann
patent: 2852995 (1958-09-01), Domries
patent: 3316980 (1967-05-01), Frost
patent: 3500936 (1970-03-01), Vigen
patent: 3642333 (1972-02-01), Eisenhardt et al.
patent: 3794123 (1974-02-01), Whitesides

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