Patent ID: 6857258

Claim:
A crop picking head assembly for mounting in a crop harvester framework configured to travel along an extended row of plant foliage to dislodge a crop growing along the row, comprising an oscillation generating head having an input drive member, an oscillation generating head support frame for mounting said oscillation generating head for rotational oscillation in a substantially vertical plane, a pair of fixed length laterally spaced arms each mounted to the crop harvester framework at an upper end and pivotally attached to said support frame at a lower end, a pair of variable length laterally spaced arms each mounted to the crop harvester framework at an upper end and pivotally attached to said support frame at a lower end, crop contact means mounted on said oscillation generating head in position to approach the plant foliage from beneath, a drive motor mounted on said support frame having a motor output in engagement with said oscillation generating head drive member and providing oscillation generating head net rotation urging said crop contact means into the crop foliage, and a stop member on said support frame for limiting net rotation of said oscillation generating head in said substantially vertical plane.