Patent ID: 9205881
Filing Date: 2015-12-08
Classification: B60G,B60P,B62B,B62D

Abstract:
1. A trailer, comprising: a trailer frame having a hitch; a stationary support base joined to the trailer frame; two support plates slidably guided on the support base toward and away from each other; a pair of wheel assemblies, wherein a wheel assembly is mounted to an end of each of the support plates remote from the other support plate such that a distance between the wheel assemblies varies with movement of the support plates on the support base; a pair of drive links wherein a drive link is joined to each of the support plates; a drive mechanism having a movable member joined to the drive links and configured to selectively move the support plates simultaneously toward each other when the movable member is moved in a first direction or simultaneously away from each other when the movable member is moved in a second direction.