Tool bar wing fold restraining mechanism

Details Tool bar wing fold restraining mechanism Tool bar wing fold restraining mechanism

1979-06-07

1981-01-13

Johnson, Richard J.

Earth working

With earth marker

16191, 172456, A01B 7300

Patent

active

042444284

ABSTRACT:
A folding tool bar with hollow main and wing sections (12, 21, 22) incorporates restraining links (111, 112), disposed within the hollow main section (12) when the wing sections (21, 22) are lowered to their working positions, which not only serve to limit upward folding movement of the wing sections (21, 22) but also form a passageway for the hydraulic hoses (126, 127) extending from the interior of the hollow main section (12) to the interiors of the hollow wing sections (21, 22) thereby protecting the hoses (126, 127) against damage at the folding connections.

REFERENCES:
patent: 313457 (1885-03-01), Tuerk
patent: 3797580 (1974-03-01), Roth
patent: 3941194 (1976-03-01), Orthman
patent: 4030551 (1977-06-01), Boetto
patent: 4046203 (1977-09-01), Ward
patent: 4074766 (1978-02-01), Orthman
patent: 4116282 (1978-09-01), Hansen

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