Earth working – Alternating for right or left hand operation – Interrelated tool shift and ground support manipulation
Patent
1985-03-18
1987-09-08
Stouffer, Richard T.
Earth working
Alternating for right or left hand operation
Interrelated tool shift and ground support manipulation
172225, 172400, 280 4313, A01B 6316, A01B 330
Patent
active
046917853
ABSTRACT:
There is disclosed a carriage for an agricultural implement, particularly for a reversible plow, in which the wheels at each side of the carriage are mounted to the carriage with forks which are pivotally received on a main axle and which have lift arms interconnected to a lift assembly. The wheel lift assembly has lift levers fixedly secured at opposite ends of a lift shaft and these are connected to their respective lift arms on the wheel forks by lift links having adjustable pinned connections to the lift levers whereby the fulcrum of each lift lever can be changed by insertion of pins in preselected, aligned pairs of apertures between the link arm and lift lever. The fulcrum positions of the lift levers control the elevations of the wheels on the carriage. The lift assembly is also provided with a fulcrum selector which, when shifted sidewise on the frame, inserts pins into preselected, aligned pairs of apertures and retracts pins from other apertures, thereby reversing, from side-to-side, the elevations of the wheels. This carriage is disclosed in combination with a reversible plow having a plow bar supporting two plow assemblies which can be rotated through a 180-degree arc, to reverse, side-to-side, the position of the plow.
REFERENCES:
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patent: 2582337 (1952-01-01), Kaltoft
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patent: 2780158 (1957-02-01), Pursche
patent: 2943688 (1960-07-01), Cox et al.
patent: 2960170 (1960-11-01), Cantral
patent: 4273197 (1981-06-01), Hawes
patent: 4316507 (1982-02-01), Lindqvist
patent: 4475601 (1984-10-01), Harden et al.
Brown Terrence L. B.
Post Brothers Construction Co.
Stouffer Richard T.
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