Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly
Patent
1973-10-03
1976-03-02
Burr, Edgar S.
Earth working
Plural wheeled implements
Outrigged implement adjustable inwardly
16138, 172456, 172481, A01B 1514, A01B 7300
Patent
active
039411940
ABSTRACT:
A farm implement tool bar includes a hollow main frame and oppositely extending wing sections pivotal between horizontal and vertical positions. A hydraulic cylinder is connected to a mounting assembly including upper and lower mounting plates interconnected at their inner ends by a vertical post. The mounting plates are secured to the top and bottom walls of the main frame and the inner end of the hydraulic cylinder is connected to the vertical post. The outer end of the hydraulic cylinder is pivotally connected to an ear on the wing section. The lower adjacent edges of the main frame and wing section include sleeves adapted to register with each other for receiving a bolt to lock the wing section in its lowered position. A transport brace may be provided with its opposite ends movably secured to the main frame and wing section across the hinge. The transport brace includes telescopic sections which allow the wing section to be moved between the raised and lowered positions. When the wing section is in its raised position apertures in the telescopic sections are aligned for receiving a bolt thereby locking the wing section in the raised position. A sleeve is also carried on the brace for the holding bolt when the wing section is in its lowered position.
REFERENCES:
patent: 1211733 (1917-01-01), McQueen
patent: 1708328 (1929-04-01), Ring
patent: 2767866 (1956-10-01), Heinje
patent: 3520373 (1970-07-01), Stinemetz
patent: 3529672 (1970-09-01), Smith
patent: 3554295 (1971-01-01), Kopaska
patent: 3774693 (1973-11-01), Orthman
Burr Edgar S.
Orthman Manufacturing Inc.
Sewell Paul T.
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