Earth working – Actuator on trailing implement – controlled from propelling... – Servo-motor on implement
Patent
1988-06-03
1990-02-27
Reese, Randolph A.
Earth working
Actuator on trailing implement, controlled from propelling...
Servo-motor on implement
172678, 172449, A01B 6102
Patent
active
049037811
ABSTRACT:
A compact flexible mounting system for connection of an agricultural implement to a tractor includes a load transfer member pivotally attached to the upper stabilizing link of a three-point hitch and to the implement support frame to which the lower links of the hitch are attached. A compression spring is interposed between a portion of the load transfer member and a portion of the implement support frame to yieldably resist rotation of the pivotal load transfer member away from the tractor for stress relief purposes while transmitting down-pressure forces from the hitch to the implement.
REFERENCES:
patent: 2704018 (1955-03-01), Oehler et al.
patent: 3193306 (1965-07-01), Pettit
patent: 3228179 (1966-01-01), van der Lely
patent: 3235286 (1966-02-01), Meadowcroft
patent: 3583495 (1971-06-01), Cantval et al.
patent: 4142587 (1979-03-01), Woodward et al.
patent: 4193458 (1980-03-01), Meinert et al.
Glencoe Brochure of list assist wheel-Model HT.
Hiniker Brochure of lift assist wheels-Hiniker 5000 Cultivator.
Orthman Brochure of lift assist wheels-Series 756 and 757.
Reese Randolph A.
Sukup Manufacturing Company
Thompson Jeffrey L.
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