Abstract: A hopper is adapted to be mounted on the three-point suspension system of an agricultural tractor by pivoting the lifting links to pivots immediately beneath the hopper body which has downwardly extending arms to which are pivoted a link pivotally connecting same to the anchor pin from which the usual stabilizing link of the tractor is removed. This construction gives a four-bar chain with crossed links whereby the hopper may be raised from a horizontal position to an upright position (or vice versa) by operating the lifting links. The construction is also capable of adjustment. The contents of the hopper can be discharged in bulk or dispensed laterally by an archimedean screw located in the bottom of the hopper.
Type:
Grant
Filed:
February 24, 1976
Date of Patent:
April 18, 1978
Assignees:
Richard Keenan, Patrick Keenan, John Keenan