Agricultural implement

Details Agricultural implement Agricultural implement

2009-10-06

2010-12-28

Pezzuto, Robert E (Department: 3671)

Earth working

Plural wheeled implements

Outrigged implement adjustable inwardly

C172S423000, C172S456000, C172S579000, C172S612000, C172S455000

Reexamination Certificate

active

07857073

ABSTRACT:
An agricultural implement includes first and second outer harrows positioned adjacent front and left sides and front and right sides of a frame, respectively, at generally opposite diagonal directions. Third and fourth harrows are similarly positioned adjacent rear and left sides and rear and right sides of the frame, respectively, at generally opposite diagonal directions. The implement may include inner harrows positioned to close gaps left by the outer harrows and positioned at generally opposite diagonal configurations. Each harrow includes a plurality of discs and a chain with a plurality of links. Each outer harrow chain is held in relative tension by a spring interconnecting a respective chain end and the frame. Left and right sides of the frame are foldable upwardly and inwardly for transport and storage.

REFERENCES:
patent: 2191537 (1940-02-01), Miller
patent: 2825983 (1958-03-01), Finn
patent: 3327787 (1967-06-01), Adee
patent: 4893682 (1990-01-01), Smallacombe
patent: 5662173 (1997-09-01), Blesing
patent: 5794712 (1998-08-01), Phillips
patent: 5881820 (1999-03-01), Baker

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