Patent ID: 6367712
Filing Date: 2002-04-09
Classification: A01M

Abstract:
A boom structure for an agricultural implement, said boom structure being mounted on a support in order to be advanced across a field, said boom structure comprising:a frame intended to be mounted on a support, a boom section which is connected with the frame via a pivot link which allows pivoting of said boom section with respect to said frame about a substantially vertical pivot axis, a pivot cylinder which has a first end pivotally connected with the frame or with the support, and which generates a desired pivoting of the boom section about the pivot axis, wherein the pivot comprises: a first link part connected with a second end of the pivot cylinder, the first link part being pivotally secured to the frame to pivot about said pivot axis, a second link part connected with the boom section, said second link part being pivotally secured to the frame to pivot about said pivot axis, a boom section pivoting part for providing a pivotal movement about the pivot axis of the second link part in response to a pivotal movement about the pivot axis of the first link part caused by activation of the pivot cylinder connected thereto, to generating the desired pivoting of the boom section, and the boom section pivoting part further including a shock absorber for damping oscillations of the boom section about the axis.