Picker grate for a rock picker
OwnerGeorge A. Dauvininventor
Life of this patent
Estimating the term…
Abstract
A rock picker includes a picker grate having a plurality of picker bars extending in a curved path forwardly and downwardly to a forwardmost end for engaging the rocks and lifting them onto the picker grate. A conventional sweeping reel sweeps the rocks to a hopper. The forward end of each of the grate bars includes a portion consisting of a vertical plate parallel to the direction of movement together with a rotating rod which extends across the full width of the picker and is supported by the cup-shaped forward ends of the grate bars. The rod improves the rock picking action and also allows the clearing of trash between the rod and the vertical plate portions exposed at the front of the grate bars. A second embodiment includes a further roe positioned with a trip mechanism forwardly and downwardly of the first rod.
Claims16
An agricultural rock picker comprising a frame, ground wheels on the frame for moving the frame across the ground in a direction of working moving, a picker grate mounted on the frame for movement across the ground for lifting rocks from the ground onto the grate for collection, the picker grate comprising a plurality of grate bars arranged in parallel relationship parallel to the direction of movement and spaced apart transversely to the direction of movement, each grate bar having a forward end and extending rearwardly and upwardly therefrom for transporting rocks lifted over the forward end rearwardly for collection, a rod mounted transversely to the grate bars at the forward ends thereof so as to engage the ground and any rocks therein immediately forwardly of the forward ends of the grate bars, means for drivingly rotating the rod in a direction such that a forward part of the surface of the rod moves upwardly and support means for supporting the rod at ends thereof and at a plurality of spaced positions across the width of the picker grate.
An agricultural rock picker comprising a frame, ground wheels on the frame for moving the frame across the ground in a direction of working moving, a picker grate mounted on the frame for movement across the ground for lifting rocks from the ground onto the grate for collection, the picker grate comprising a plurality of grate bars arranged in parallel relationship parallel to the direction of movement and spaced apart transversely to the direction of movement, each grate bar having a forward end and extending rearwardly and upwardly therefrom for transporting rocks lifted over the forward end rearwardly for collection, a rod mounted transversely to the grate bars at the forward ends thereof so as to engage the ground and any rocks therein immediately forwardly of the forward ends of the grate bars and means for drivingly rotating the rod in a direction such that a forward part of the surface of the rod moves upwardly, the grate bars having support means at a forward end of the grate bars for supporting the rod against rearward movement.
An agricultural rock picker comprising a frame, ground wheels on the frame for moving the frame across the ground in a direction of working moving, a picker grate mounted on the frame for movement across the ground for lifting rocks from the ground onto the grate for collection, the picker grate comprising a plurality of grate bars arranged in parallel relationship parallel to the direction of movement and spaced apart transversely to the direction of movement, each grate bar having a forward end and extending rearwardly and upwardly therefrom for transporting rocks lifted over the forward end rearwardly for collection, a rod mounted transversely to the grate bars at the forward ends thereof so as to engage the ground and any rocks therein immediately forwardly of the forward ends of the grate bars and means for drivingly rotating the rod in a direction such that a forward part of the surface of the rod moves upwardly, each grate bar including a portion thereof at the forward end thereof which comprises a vertical plate which in cross section has a height greater than a width thereof, each plate having a receptacle formed in an end thereof receiving the periphery of the rod for rotation relative thereto while supporting the rod against rearward movement.
Dependencies are inferred from the claim text.