Patent ID: 6085811
Filing Date: 2000-07-11
Classification: A01G

Abstract:
A machine for harvesting timber, comprising:a) a chassis supported by a pair of endless tracks;b) a turntable mounted on said chassis and an annular ball bearing race on said turntable, said annular ball bearing race defining a circle;c) a platform seated on said turntable and rotatable on said bearing race about an axis of rotation; andd) a boom on said turntable, said boom including a main boom component and a main boom component actuator cylinder;e) said main boom component actuator cylinder being pivotally connected to said platform for movement about a pivot axis which is in substantially vertical alignment with the annular bearing race, regardless of the rotational position of said platform relative to said turntable;f) said main boom component being pivotally connected to said platform outside of said circle.