Title: Reversible ploughs

Abstract: A reversible plough comprises a frame member, at least one support member pivotally mounted on the frame member and two cranked plough legs pivotally mounted on the support member, and biassed toward their operative positions, in which during normal ploughing operations the support member is held in its operative position, but when an obstacle is encountered by the plough body and the working plough leg deflected, the support member is permitted to rotate relative to the frame member.

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Inventors: Revett, Raymond H. (Ipswich, GB)
Pavely, Frederick G. (Felixstowe, GB)

Application Number: 881546
Filing Date: 1978-02-27
Publication_date: 1980-02-19
Assignee: Ransomes Sims & Jefferies Limited (Sufflok, GB2)
Primary Class(es): 172/224 172/263
Other Classes:
US Patent Ref:

3202223	Aug, 1965	Fulton	172/264.
3565180	Feb, 1971	Arnold et al.	172/265.

Other Refs: 25371752293863

Feb, 1977	DE
Jul, 1976	FR

Primary Examiner: Marlo, George J.
Assistant Examiner:
Attorney: Jones; Ira Milton