Material or article handling – Round hay bale handling
Patent
1981-06-23
1983-07-19
Spar, Robert J.
Material or article handling
Round hay bale handling
91520, 414473, 414503, A01D 8712
Patent
active
043941036
ABSTRACT:
A hydraulic system for a round bale wagon is disclosed wherein at least two hydraulic cylinders are connected hydraulically in series. A relief valve redirects the flow of hydraulic fluid to continue the operation of subsequent hydraulic cylinders in the series circuit and to continue the flow of hydraulic fluid through the circuit when one of said hydraulic cylinders reaches the end of its stroke. The hydraulic cylinders corresponding to a bale pickup and the bale handling mechanism are connected in series in such a manner that, when the bale pickup is doing work in elevating a bale onto the load bed, the bale handling mechanism is returning to its home position without doing work and, when the bale pickup returns to its first position adjacent the ground, it does no work, while the bale handling mechanism works to arrange the deposited bales in a preselected position on the load bed.
REFERENCES:
patent: 3476016 (1969-11-01), Dixon et al.
patent: 4201510 (1980-05-01), Muntjanoff
patent: 4266749 (1981-05-01), Lundstrom
Askov Alan R.
Butler L. Dennis
Krizek Janice
Marquette Darrell F.
Miller Larry W.
Seemar Frank A.
Spar Robert J.
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