B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
222/50
B05B 7/00 (2006.01) A01M 7/00 (2006.01)
Patent
CA 1259964
"SELF-LEVELLING BOOM ARRANGEMENT FOR AN AGRICULTURAL MATERIAL DISTRIBUTION DEVICE" ABSTRACT OF THE DISCLOSURE A self-levelling boom arrangement for supporting upon a frame of an agricultural material distribution device includes a pair of boom arms extending outwardly from a cen- tral support beam. The boom arms are pivotally mounted-on a single horizontal pin on the beam for raising and lowering in a vertical plane. The beam is pivotally mounted at a lower end so that the pin can move side to side in the vertical plane. Hydraulic rams are connected to the arms at positions spaced outwardly of the central pin for raising and lowering the arms relative to the frame. Thus, the arms can be raised and lowered independently while the central beam provides a self-levelling effect.
472483
Battison Williams Dupuis
Fletcher Grant
LandOfFree
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