Patent ID: 7100927
Filing Date: 2006-09-05
Classification: B62B

Abstract:
1. An articulated sled comprising: a first body segment and a second body segment, each of the first body segment and the second body segment being interconnected by a flexible connector so that the first body segment and the second body segment can rotate with respect to each other about a first axis; and a pair of runners on the first body segment and a pair of runners on the second body segment each runner of each pair of runners including a sliding surface with an opposing outer convex edge and inner convex edge, each of the outer convex edge and inner convex edge extending lengthwise from a leading end to a trailing end of each runner, wherein each outer convex edge and inner convex edge in each runner, respectively, define a wider widthwise spacing there between in a central lengthwise region of the runner than the widthwise spacing at the leading end and the trailing end.