Patent ID: 7040438
Filing Date: 2006-05-09
Classification: B62D,B62M

Abstract:
1. A vehicle comprising: a frame; a slide rail disposed below the frame for guiding a drive track along a road surface; a front arm having a first portion pivotally coupled to the frame at a front frame pivot location and a second portion pivotally coupled to the slide rail at a front rail pivot location; a rear arm having a first portion pivotally coupled to the frame at a rear frame pivot location and a second portion pivotally coupled to the slide rail at a rear rail pivot location; a front shock absorber interposed between the slide rail and the frame; a rear shock absorber interposed between the slide rail and the frame, and a linkage system comprising a first linkage member, a second linkage member, and a third linkage member; wherein a first portion of the first linkage member is coupled to a first portion of the front shock absorber at a first linkage coupling point, a second portion of the first linkage member is pivotally coupled to the slide rail at a second linkage coupling point, a third portion of the first linkage member is coupled to a first portion of the third linkage member at a third linkage coupling point, a first portion of the second linkage member is pivotally coupled to the slide rail at the front rail pivot location, a second portion of the second linkage member is coupled to a second portion of the third linkage member at a fourth linkage coupling point.