Patent ID: 7543837
Filing Date: 2009-06-09
Classification: B62D

Abstract:
1. A trailer hitch for engaging a kingpin of a trailer, the trailer hitch comprising: a support frame; a kingpin retention structure supported by the support frame, the kingpin retention structure m a secured position being securable about the kingpin, wherein the kingpin retention structure comprises a first mating jaw and a second mating jaw; an actuation structure supported by the support frame, the actuation structure being linked to the kingpin retention structure for moving the kingpin retention structure from the secured position to a release position wherein the kingpin can be removed from the kingpin retention structure; and a spring biasing the kingpin retention structure open when in the release position, wherein the spring is used to move both the first mating jaw and the second mating jaw open from the secured position, wherein the spring is a torsion spring to pivot the first mating jaw open, and wherein a follower is attached to the first mating jaw which contacts the second mating jaw during opening of the first mating jaw, such that the follower pushes the second mating jaw open.