Patent ID: 8186140
Filing Date: 2012-05-29
Classification: A01D

Abstract:
1. An adjustable rake for raking agricultural products, the adjustable rake comprising: a central member supported by at least one wheel and configured to be pulled forward in a direction of travel on a surface of travel, a longitudinal axis of the adjustable rake extending through the central member and along the direction of travel; first and second rake arm assemblies coupled to the central member and configured to move toward and away from the longitudinal axis in a direction transverse to the direction of travel of the central member such that, after the first and second rake arm assemblies have moved toward the longitudinal axis, respective front ends of the first and second rake arm assemblies are disposed at a first distance from each other, and after the first and second rake arm assemblies have moved away from the longitudinal axis, the respective front ends of the first and second rake arm assemblies are disposed at a second distance from each other different from the first distance; and at least one inner support that controls a distance between rear ends of the first and second rake arm assemblies such that the distance between rear ends of the first and second rake arm assemblies is approximately the same while the fronts of the first and second rake arm assemblies are disposed at the first distance as when the fronts of the first and second rake arm assemblies are disposed at the second distance, wherein the central member is disposed between the front ends and the rear ends of the first and second rake arm assemblies in the direction of travel, and wherein the at least one wheel of the central member is disposed inside of the first and second rake arm assemblies in the direction transverse to the direction of travel.