Patent ID: 6971466
Filing Date: 2005-12-06
Classification: B62M

Abstract:
1. A suspension system for an endless track drive having an upper frame system with a front, center and rear section and a lower slide rail system also having a front, center and rear section, said suspension system comprising: an elongate rear arm having a top end and a bottom end with said top end being pivotally connected to said upper frame system in said rear section; a rear attachment link having a first and second rear attachment link pivot point with said first rear attachment link pivot point being pivotally attached to a rear section of said lower slide rail and said second rear attachment link pivot point being pivotally attached to said bottom end of said elongate rear arm; an elongate front arm having a top end and a bottom end with said bottom end being pivotally connected to said slide rail system forward of said rear attachment link; a front attachment link having a first and second front attachment link pivot point with said first front attachment link pivot point being pivotally attached to said upper frame system forward of said elongate rear arm top end and said second front attachment link pivot point being pivotally connected to said top end of said elongate front arm; and a means of fixing the distance between said second rear attachment link pivot point and said second front attachment link pivot point relative to each other.