Patent ID: 6405516
Filing Date: 2002-06-18
Classification: A01D

Abstract:
A directly driven shaker for mounting on a mobile crop harvester framework for harvesting bush, tree and vine grown crops, comprisinga crop foliage engaging brush having a brush axis of rotation, a drive motor mounted on said crop foliage engaging brush for providing a motor output for directly driving said crop foliage engaging brush about said brush axis of rotation, means for journalling said crop foliage engaging brush and said drive motor on the mobile crop harvester framework, a power source on the mobile crop harvester framework providing a power output connected to said drive motor, and means mounted between said power source and said motor for controlling said power output connected to said drive motor said power source further comprising a hydraulic pump, a hydraulic fluid supply connected to said hydraulic pump, said power output comprising a hydraulic fluid flow, and wherein said drive motor comprises a hydraulic motor, further comprising a hydraulic valve receiving said hydraulic flow, and a valve controller for controlling quantity, sense and time rate of change of said quantity of said hydraulic fluid flow.